TSLX 10-Q Quarterly Report Sept. 30, 2024 | Alphaminr
TPG Specialty Lending, Inc.

TSLX 10-Q Quarter ended Sept. 30, 2024

TPG SPECIALTY LENDING, INC.
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10-Q
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Second-lien loan ($2,256 par, due 6/2027) Initial Acquisition Date 3/13/2024 Reference Rate and Spread 16.00% Interest Rate 16.00% PIK 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Human Resource Support Services DaySmart Holdings, LLC Class A Units (166,811 units) Initial Acquisition Date 12/18/2020 2024-09-30 0001508655 Debt Investments Electronics Saphire Borrower Buyer, Inc. First-lien loan ($26,757 par, due 9/2031) Initial Acquisition Date 9/30/2024 Reference Rate and Spread SOFR + 5.00% Interest Rate 9.25% 2024-01-01 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. Super-Priority DIP term loan ($4,739 par, due 9/2024) Initial Acquisition Date 4/24/2023 Reference Rate and Spread SOFR + 7.90% Interest Rate 13.26% 2023-01-01 2023-12-31 0001508655 Debt Investments Hotel, Gaming and Leisure 2024-09-30 0001508655 Debt Investments Healthcare Edge Bidco B.V. First-lien loan (EUR 5,947 par, due 2/2029) Initial Acquisition Date 2/24/2023 Reference Rate and Spread E + 6.75% Interest Rate 10.10% 2024-01-01 2024-09-30 0001508655 2024-01-01 2024-09-30 0001508655 tslx:FirstLienDebtInvestmentsMember 2024-07-01 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember tslx:MezzanineDebtInvestmentsMember srt:MaximumMember 2024-09-30 0001508655 Debt Investments Healthcare Edge Bidco B.V First-lien loan (EUR 3,850 par, due 2/2029) Initial Acquisition Date 2/24/2023 Reference Rate and Spread E + 7.00% Interest Rate 16.10% (incl. 3.25% PIK) 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit Eaton CLO Ltd, Series 2020-1A Structured Credit ($1,000 par, due 10/2034) Initial Acquisition Date 8/11/2022 Reference Rate and Spread SOFR + 6.51% Interest Rate 11.91% 2023-01-01 2023-12-31 0001508655 us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember tslx:TwoThousandTwentyEightNotesMember 2024-01-01 2024-09-30 0001508655 tslx:WestMember 2024-09-30 0001508655 Debt Investments Manufacturing Skylark UK DebtCo Limited First-lien loan ($16,340 par, due 9/2030) Initial Acquisition Date 9/7/2023 Reference Rate and Spread SOFR + 6.25% Interest Rate 11.60% 2023-12-31 0001508655 Debt Investments Internet Services Coupa Holdings, LLC First-lien loan ($43,083 par, due 2/2030) Initial Acquisition Date 2/27/2023 Reference Rate and Spread SOFR + 5.50% Interest Rate 10.75% 2024-01-01 2024-09-30 0001508655 Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan (GBP 2,737 par, due 12/2025) Initial Acquisition Date 10/28/2021 Reference Rate and Spread S + 5.03% Interest Rate 9.98% 2024-01-01 2024-09-30 0001508655 country:FI 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member us-gaap:MarketApproachValuationTechniqueMember us-gaap:MeasurementInputComparabilityAdjustmentMember srt:MinimumMember tslx:EquityAndOtherInvestmentsMember 2024-09-30 0001508655 Debt Investments Oil, Gas and Consumable Fuels Mach Natural Resources LP First-lien loan ($5,000 par, due 12/2026) Initial Acquisition Date 12/28/2023 Reference Rate and Spread SOFR + 6.65% Interest Rate 12.00% 2023-12-31 0001508655 Equity and Other Investments Structured Credit Bain Capital Credit CLO Ltd, Series 2018-1A Structured Credit ($500 par, due 4/2031) Initial Acquisition Date 10/15/2020 Reference Rate and Spread SOFR + 5.61% Interest Rate 11.02% 2023-01-01 2023-12-31 0001508655 Debt Investments Communications Banyan Software Holdings, LLC First-lien loan ($29,739 par, due 10/2026) Initial Acquisition Date 1/27/2023 Reference Rate and Spread SOFR + 7.35% Interest Rate 12.71% 2023-12-31 0001508655 tslx:TwoThousandTwentyThreeTwentyFourTwentySixTwentyeightAndTwentyNineNotesMember 2023-01-01 2023-09-30 0001508655 Equity and Other Investments Structured Credit Octagon Investment Partners 38 Ltd, Series 2018-1A Structured Credit ($2,800 par, due 7/2030) Initial Acquisition Date 9/20/2022 Reference Rate and Spread SOFR + 3.21% Interest Rate 8.63% 2023-01-01 2023-12-31 0001508655 tslx:AxonifyIncMember tslx:DelayedDrawMember 2024-09-30 0001508655 Equity and Other Investments Oil, Gas and Consumable Fuels Murchison Oil and Gas, LLC Preferred Units (13,355 units) Initial Acquisition Date 6/30/2022 2024-09-30 0001508655 Interest Rate Swap Company Receives 2.50% Company Pays SOFR + 2.17% Maturity Date 8/1/2026 2024-09-30 0001508655 Interest Rate Swap Company Receives 2.50% Company Pays SOFR + 2.17% Maturity Date 8/1/2026 2023-12-31 0001508655 2024-04-01 2024-06-30 0001508655 us-gaap:FairValueInputsLevel2Member 2024-09-30 0001508655 Debt Investments Transportation 2023-12-31 0001508655 Equity and Other Investments Structured Credit Dryden Senior Loan Fund, Series 2018-55A Structured Credit ($1,000 par, due 4/2031) Initial Acquisition Date 7/25/2022 Reference Rate and Spread SOFR + 3.11% Interest Rate 8.51% 2023-01-01 2023-12-31 0001508655 tslx:InterestRateSwapTwoMember 2023-07-01 2023-09-30 0001508655 us-gaap:FairValueInputsLevel3Member srt:WeightedAverageMember tslx:FirstLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember 2024-09-30 0001508655 Debt Investments Manufacturing ASP Unifrax Holdings, Inc. Unsecured Note ($1,059 par, due 9/2029) Initial Acquisition Date 8/31/2023 Reference Rate and Spread 7.50% Interest Rate 7.50% 2023-12-31 0001508655 us-gaap:ValuationTechniqueDiscountedCashFlowMember us-gaap:FairValueInputsLevel3Member tslx:EquityAndOtherInvestmentsMember 2023-12-31 0001508655 tslx:NonControlledNonAffiliatedInvestmentsMember 2024-09-30 0001508655 Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan (GBP 3,104 par, due 12/2025) Initial Acquisition Date 10/28/2021 Reference Rate and Spread S + 5.03% Interest Rate 10.22% 2023-01-01 2023-12-31 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (GBP 12,287 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread S + 6.75% Interest Rate 11.98% 2023-12-31 0001508655 Debt Investments Financial Services BTRS Holdings, Inc. First-lien loan ($48,503 par, due 12/2028) Initial Acquisition Date 12/16/2022 Reference Rate and Spread SOFR + 8.00% Interest Rate 12.86% 2024-09-30 0001508655 Equity and Other Investments Structured Credit Southwick Park CLO Ltd, Series 2019-4A Structured Credit ($1,000 par, due 7/2032) Initial Acquisition Date 5/25/2022 Reference Rate and Spread SOFR + 6.51% Interest Rate 11.93% 2023-12-31 0001508655 tslx:DelayedDrawMember tslx:LaramieEnergyLLCMember 2024-09-30 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Class A-3 Units (16,957 units) Initial Acquisition Date 11/10/2023 2023-01-01 2023-12-31 0001508655 Debt Investments Oil, Gas and Consumable Fuels Murchison Oil and Gas, LLC First-lien loan ($20,381 par, due 6/2026) Initial Acquisition Date 6/30/2022 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.13% 2024-01-01 2024-09-30 0001508655 tslx:FullsteamOperationsLlcMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Tango Management Consulting, LLC First-lien loan ($66,249 par, due 12/2027) Initial Acquisition Date 12/1/2021 Reference Rate and Spread SOFR + 6.90% Interest Rate 12.06% 2024-09-30 0001508655 Equity and Other Investments Internet Services SMA Technologies Holdings, LLC Class A Units (1,300 shares) Initial Acquisition Date 11/21/2022 2024-01-01 2024-09-30 0001508655 Debt Investments Manufacturing Skylark UK DebtCo Limited First-lien loan (EUR 4,851 par, due 9/2030) Initial Acquisition Date 9/7/2023 Reference Rate and Spread E + 5.75% Interest Rate 9.10% 2024-01-01 2024-09-30 0001508655 us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember tslx:TwoThousandTwentySixNotesMember 2024-01-01 2024-09-30 0001508655 tslx:RevolverMember tslx:PassportLabsIncMember 2023-12-31 0001508655 tslx:DelayedDrawMember tslx:CirrusBidcoLtdMember 2024-09-30 0001508655 us-gaap:RetainedEarningsMember 2024-04-01 2024-06-30 0001508655 tslx:StructuredCreditInvestmentsMember 2024-01-01 2024-09-30 0001508655 us-gaap:RevolvingCreditFacilityMember 2023-12-31 0001508655 us-gaap:RetainedEarningsMember 2022-12-31 0001508655 tslx:IRGSEHoldingCorpMember tslx:RevolverMember 2024-09-30 0001508655 country:AU 2024-09-30 0001508655 tslx:SecondLienDebtInvestmentsMember 2024-06-30 0001508655 Debt Investments Education Kangaroo Bidco AS First-lien loan ($25,582 par, due 11/2030) Initial Acquisition Date 11/2/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.94% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit Bain Capital Credit CLO Ltd, Series 2018-1A Structured Credit ($500 par, due 4/2031) Initial Acquisition Date 10/15/2020 Reference Rate and Spread SOFR + 5.61% Interest Rate 11.02% 2023-12-31 0001508655 Debt Investments Financial Services CLGF Holdco 2, LLC Second-lien loan ($3,357 par, due 11/2028) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 12.00% Interest Rate 16.60% 2024-01-01 2024-09-30 0001508655 Debt Investments Financial Services TradingScreen, Inc. First-lien loan ($47,198 par, due 4/2027) Initial Acquisition Date 4/30/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.73% 2023-12-31 0001508655 Debt Investments Financial Services Fullsteam Operations LLC First-lien loan ($29,663 par, due 11/2029) Initial Acquisition Date 11/27/2023 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.78% 2023-12-31 0001508655 Equity and Other Investments Human Resource Support Services DaySmart Holdings, LLC Class A Units (166,811 units) Initial Acquisition Date 12/18/2020 2024-01-01 2024-09-30 0001508655 Debt Investments Business Services OutSystems Luxco SARL First-lien loan (EUR 3,004 par, due 12/2028) Initial Acquisition Date 12/8/2022 Reference Rate and Spread E + 5.75% Interest Rate 9.13% 2024-09-30 0001508655 tslx:CommunicationsMember 2024-09-30 0001508655 Equity and Other Investments Business Services Mitnick TA Aggregator, L.P. Membership Interest (0.43% ownership) Initial Acquisition Date 5/2/2022 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit GoldenTree CLO Ltd, Series 2020-7A Structured Credit ($1,000 par, due 4/2034) Initial Acquisition Date 6/17/2022 Reference Rate and Spread SOFR + 6.76% Interest Rate 12.18% 2023-12-31 0001508655 Interest Rate Swap Company Receives SOFR + 2.54% Maturity Date 11/1/2024 2023-12-31 0001508655 Debt Investments Human Resource Support Services PayScale Holdings, Inc. First-lien loan ($70,648 par, due 5/2027) Initial Acquisition Date 5/3/2019 Reference Rate and Spread SOFR + 5.85% Interest Rate 10.45% 2024-01-01 2024-09-30 0001508655 tslx:EquityAndOtherInvestmentsMember 2022-12-31 0001508655 tslx:TwoThousandTwentyEightNotesMember 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Business Services Newark FP Co-Invest, L.P. Partnership (2,527,719 units) Initial Acquisition Date 11/8/2023 2024-09-30 0001508655 Equity and Other Investments Internet Services Lucidworks, Inc. Series F Preferred Shares (199,054 shares) Initial Acquisition Date 8/2/2019 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. 280,000 Series C Warrants Initial Acquisition Date 2/28/2020 2023-12-31 0001508655 Debt Investments Communications 2024-09-30 0001508655 Equity and Other Investments Business Services Mitnick TA Aggregator, L.P. Membership Interest (0.43% ownership) Initial Acquisition Date 5/2/2022 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Internet Services SMA Technologies Holdings, LLC Class A Units (1,300 shares) Initial Acquisition Date 11/21/2022 2023-12-31 0001508655 tslx:DelayedDrawMember tslx:BabylonFincoLimitedMember 2024-09-30 0001508655 Equity and Other Investments Financial Services Passport Labs, Inc. 17,534 Warrants Initial Acquisition Date 4/28/2021 2023-12-31 0001508655 Derivative Interest Rate Swap 2023-01-01 2023-12-31 0001508655 Debt Investments Internet Services SMA Technologies Holdings, LLC First-lien loan ($36,833 par, due 10/2028) Initial Acquisition Date 10/31/2022 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.00% 2024-09-30 0001508655 Hedge Accounting Swaps 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit Dryden Senior Loan Fund, Series 2020-86A Structured Credit ($1,500 par, due 7/2034) Initial Acquisition Date 8/17/2022 Reference Rate and Spread SOFR + 6.76% Interest Rate 12.05% 2024-09-30 0001508655 Equity and Other Investments Business Services Warrior TopCo LP Class A Units (423,729 units) Initial Acquisition Date 7/7/2023 2024-01-01 2024-09-30 0001508655 2024-01-01 2024-03-31 0001508655 Equity and Other Investments Human Resource Support Services 2024-09-30 0001508655 Interest Rate Swap Company Pays SOFR + 2.99% Maturity Date 8/14/2028 2024-09-30 0001508655 Debt Investments Business Services Lynx BidCo First-lien loan (EUR 589 par, due 7/2031) Initial Acquisition Date 7/5/2024 Reference Rate and Spread E + 7.11% Interest Rate 10.81% (5.61% PIK) 2024-09-30 0001508655 tslx:HornetsecurityHoldingGmbhMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 tslx:EquityAndOtherInvestmentsMember 2023-09-30 0001508655 Debt Investments Oil, Gas and Consumable Fuels Mach Natural Resources LP First-lien loan ($5,000 par, due 12/2026) Initial Acquisition Date 12/28/2023 Reference Rate and Spread SOFR + 6.65% Interest Rate 12.00% 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:AssetValuationWaterfallMember tslx:MezzanineDebtInvestmentsMember 2024-09-30 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. Series D Preferred Shares (1,598,874 shares) Initial Acquisition Date 4/8/2021 2023-12-31 0001508655 Debt Investments Communications IntelePeer Holdings, Inc. Convertible note ($4,700 par, due 5/2028) Initial Acquisition Date 5/12/2021 Reference Rate and Spread 7.50% Interest Rate 7.50% PIK 2023-01-01 2023-12-31 0001508655 us-gaap:AdditionalPaidInCapitalMember 2023-06-30 0001508655 Debt Investments Business Services Dye & Durham Corp. First-lien loan (CAD 37,874 par, due 12/2027) Initial Acquisition Date 12/3/2021 Reference Rate and C+ 5.75% Interest Rate 11.20% 2023-01-01 2023-12-31 0001508655 Debt Investments Manufacturing Avalara, Inc. First-lien loan ($38,636 par, due 10/2028) Initial Acquisition Date 10/19/2022 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.60% 2023-01-01 2023-12-31 0001508655 tslx:DelayedDrawMember tslx:BctoBluebillBuyerIncMember 2024-09-30 0001508655 Equity and Other Investments Internet Services Bayshore Intermediate #2, L.P. Co-Invest 2 Common Units (3,493,701 units) Initial Acquisition Date 10/1/2021 2024-09-30 0001508655 Interest Rate Swap Company Receives 3.875% Company Pays SOFR + 2.72% Maturity Date 11/1/2024 2023-12-31 0001508655 tslx:AvalaraIncMember tslx:RevolverMember 2023-12-31 0001508655 Debt Investments Retail and Consumer Products 2023-12-31 0001508655 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services Artisan Bidco, Inc First-lien loan ($37,825 par, due 11/2029) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.12% 2024-01-01 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Cordance Operations, LLC First-lien loan ($56,014 par, due 7/2028) Initial Acquisition Date 7/25/2022 Reference Rate and Spread SOFR + 9.25% Interest Rate 13.55% 2024-01-01 2024-09-30 0001508655 Debt Investments Human Resource Support Services Madcap Software, Inc. First-lien loan ($32,256 par, due 12/2026) Initial Acquisition Date 12/15/2023 Reference Rate and Spread SOFR + 6.10% Interest Rate 10.35% 2024-09-30 0001508655 tslx:RetailAndConsumerProductsMember 2024-09-30 0001508655 Equity and Other Investments Hotel, Gaming and Leisure IRGSE Holding Corp. Class A Units (33,790,171 units) Initial Acquisition Date 12/21/2018 2024-01-01 2024-09-30 0001508655 tslx:EquityAndOtherInvestmentsMember 2023-01-01 2023-09-30 0001508655 Equity and Other Investments Business Services Warrior TopCo LP Class A Units (423,728 units) Initial Acquisition Date 7/7/2023 2023-12-31 0001508655 2015-08-04 0001508655 Debt Investments Insurance Disco Parent, Inc. First-lien loan ($4,545 par, due 3/2029) Initial Acquisition Date 3/30/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.56% 2024-01-01 2024-09-30 0001508655 Debt Investments Human Resource Support Services PrimePay Intermediate, LLC First-lien loan ($34,112 par, due 12/2026) Initial Acquisition Date 12/17/2021 Reference Rate and Spread SOFR + 7.15% Interest Rate 12.05% 2024-09-30 0001508655 Interest Rate Swap Company Pays SOFR + 2.51% Maturity Date 11/1/2024 2024-09-30 0001508655 tslx:TangoManagementConsultingLLCMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 tslx:BCTOAcePurchaserIncMember tslx:DelayedDrawMember 2024-09-30 0001508655 Debt Investments Communications Banyan Software Holdings, LLC First-lien loan ($39,486 par, due 10/2026) Initial Acquisition Date 1/27/2023 Reference Rate and Spread SOFR + 7.35% Interest Rate 12.20% 2024-01-01 2024-09-30 0001508655 Debt Investments Automotive BestPass, Inc. First-lien loan (44,800 par, due 5/2029) Initial Acquisition Date 5/26/2023 Reference Rate and SOFR + 5.75% Interest Rate 11.11% 2023-12-31 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Class A-1 Units (637,713 units) Initial Acquisition Date 11/23/2021 2023-12-31 0001508655 Debt Investments Business Services ReliaQuest Holdings, LLC First-lien loan ($82,626 par, due 10/2026) Initial Acquisition Date 10/8/2020 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.63% 2023-01-01 2023-12-31 0001508655 tslx:MarketingServicesMember 2023-12-31 0001508655 Debt Investments Office Products USR Parent, Inc. ABL FILO term loan ($15,500 par, due 4/2027) Initial Acquisition Date 4/25/2022 Reference Rate and Spread SOFR + 6.50% Interest Rate 11.70% 2024-01-01 2024-09-30 0001508655 Debt Investments Business Services Alpha Midco, Inc. First-lien loan ($69,632 par, due 8/2028) Initial Acquisition Date 8/15/2019 Reference Rate and Spread SOFR + 6.88% Interest Rate 11.48% 2024-09-30 0001508655 country:FR 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember tslx:MezzanineDebtInvestmentsMember srt:MaximumMember 2023-12-31 0001508655 tslx:PrimeRevenueIncMember tslx:RevolverMember 2023-12-31 0001508655 Equity and Other Investments Retail and Consumer Products Copper Bidco, LLC Trust Certificates (996,958 Certificates) Initial Acquisition Date 1/30/2021 2023-12-31 0001508655 Debt Investments Healthcare Raptor US Buyer II Corp. First-lien loan ($18,179 par, due 3/2029) Initial Acquisition Date 3/24/2023 Reference Rate and Spread SOFR + 6.25% Interest Rate 11.16% 2024-09-30 0001508655 tslx:InterestRateSwapFourMember 2024-01-01 2024-09-30 0001508655 tslx:DelayedDrawMember tslx:LeantaasHoldingsIncMember 2024-09-30 0001508655 Debt Investments Human Resource Support Services PayScale Holdings, Inc. First-lien loan ($71,196 par, due 5/2027) Initial Acquisition Date 5/3/2019 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.70% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Business Services Sprinklr, Inc. Common Shares (283,499 shares) Initial Acquisition Date 6/24/2021 2024-01-01 2024-09-30 0001508655 tslx:OfficeProductsMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit Wind River CLO Ltd, Series 2017-1A Structured Credit ($3,000 par, due 4/2036) Initial Acquisition Date 7/14/2022 Reference Rate and Spread SOFR + 3.98% Interest Rate 9.38% 2023-12-31 0001508655 Debt Investments Business Service USA DeBusk, LLC First-lien revolving loan ($472 par, due 4/2030) Initial Acquisition Date 4/30/2024 Reference Rate and Spread SOFR + 5.25% Interest Rate 9.97% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Financial Services AF Eagle Parent, L.P. Partnership (121,329 units) Initial Acquisition Date 11/27/2023 2023-01-01 2023-12-31 0001508655 Debt Investments Hotel, Gaming and Leisure ASG II, LLC First-lien loan ($61,609 par, due 5/2028) Initial Acquisition Date 5/25/2022 Reference Rate Spread SOFR + 6.40% Interest Rate 11.77% 2023-12-31 0001508655 Debt Investments Retail and Consumer Products 99 Cents Only Stores LLC ABL FILO term loan ($25,000 par, due 5/2025) Initial Acquisition Date 9/6/2017 Reference Rate and Spread SOFR + 8.65% Interest Rate 14.03% 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember tslx:AssetValuationWaterfallMember 2024-09-30 0001508655 tslx:TwentyTwentyNineNotesMember 2024-01-01 2024-09-30 0001508655 tslx:InterestRateSwapTwoMember 2024-01-01 2024-09-30 0001508655 Interest Rate Swap Company Pays SOFR + 2.72% Maturity Date 11/1/2024 2023-12-31 0001508655 tslx:InterestRateSwapFourMember 2023-07-01 2023-09-30 0001508655 Equity and Other Investments Structured Credit KKR CLO Ltd, 49A Structured Credit ($1,000 par, due 7/2035) Initial Acquisition Date 6/2/2022 Reference Rate and Spread SOFR + 8.26% Interest Rate 13.42% 2023-12-31 0001508655 Debt Investments Internet Services CrunchTime Information, Systems, Inc. First-lien loan ($59,500 par, due 6/2028) Initial Acquisition Date 6/17/2022 Reference Rate and Spread SOFR + 6.00% Interest Rate 11.36% 2023-01-01 2023-12-31 0001508655 tslx:TransportationMember 2024-09-30 0001508655 tslx:SportAllianceGmbhMember tslx:RevolverMember 2024-09-30 0001508655 Debt Investments Human Resource Support Services HireVue, Inc. First-lien loan ($54,113 par, due 5/2029) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.63% 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member us-gaap:MarketApproachValuationTechniqueMember us-gaap:MeasurementInputComparabilityAdjustmentMember tslx:EquityAndOtherInvestmentsMember 2023-12-31 0001508655 Interest Rate Swap Company Pays SOFR + 2.51% Maturity Date 11/1/2024 2023-12-31 0001508655 Equity and Other Investments Structured Credit Signal Peak CLO LLC, Series 2018-5A Structured Credit ($1,000 par, due 4/2031) Initial Acquisition Date 8/9/2022 Reference Rate and Spread SOFR + 5.91% Interest Rate 11.29% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Hotel, Gaming and Leisure IRGSE Holding Corp. Class C-1 Units (8,800,000 units) Initial Acquisition Date 12/21/2018 2023-12-31 0001508655 tslx:EDBParentLLCMember tslx:DelayedDrawMember 2024-09-30 0001508655 Debt Investments Human Resource Support Services Employment Hero Holdings Pty Ltd. First-lien loan (AUD 50,000 par, due 12/2026) Initial Acquisition Date 12/6/2021 Reference Rate and Spread B + 6.25% Interest Rate 10.73% 2024-01-01 2024-09-30 0001508655 Debt Investments Business Services Crewline Buyer, Inc. First-lien loan ($56,324 par, due 11/2030) Initial Acquisition Date 11/8/2023 Reference Rate and Spread SOFR + 6.75% Interest Rate 11.35% 2024-09-30 0001508655 Debt Investments Financial Services Passport Labs, Inc. First-lien loan ($24,995 par, due 4/2026) Initial Acquisition Date 4/28/2021 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.46% 2024-01-01 2024-09-30 0001508655 Debt Investments Transportation Shiftmove GMBH First-lien loan (EUR 31,875 par, due 9/2030) Initial Acquisition Date 9/30/2024 Reference Rate and Spread E + 6.00% Interest Rate 9.35% 2024-01-01 2024-09-30 0001508655 Debt Investments Internet Services Hippo XPA Bidco AB First-lien loan (EUR 2,450 par, due 2/2031) Initial Acquisition Date 2/20/2024 Reference Rate and Spread E + 6.50% Interest Rate 9.87% (3.50% PIK) 2024-01-01 2024-09-30 0001508655 us-gaap:AdditionalPaidInCapitalMember 2023-09-30 0001508655 tslx:DiscoParentIncMember tslx:RevolverMember 2023-12-31 0001508655 2024-03-05 0001508655 Equity and Other Investments Human Resource Support Services bswift, LLC Class A-1 Units (2,393,509 units) Initial Acquisition Date 11/7/2022 2024-09-30 0001508655 tslx:MarcuraEquitiesLtdMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 Equity and Other Investments Oil, Gas and Consumable Fuels Murchison Oil and Gas, LLC 13,355 Preferred Units, Initial Acquisition Date 6/30/2022 2023-12-31 0001508655 Debt Investments Business Services Crewline Buyer, Inc. First-lien loan ($ 56,324 par, due 17/2030) Initial Acquisition Date 11/8/2023 Reference Rate and SOFR+ 6.75% Interest Rate 12.10% 2023-12-31 0001508655 Debt Investments Manufacturing Skylark UK DebtCo Limited First-lien loan (GBP 16,640 par, due 9/2030) Initial Acquisition Date 9/7/2023 Reference Rate and Spread S + 6.25% Interest Rate 11.52% 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services BCTO Bluebill Buyer, Inc. First-lien loan ($29,606 par, due 7/2029) Initial Acquisition Date 7/20/2023 Reference Rate and Spread SOFR + 6.25% Interest Rate 11.50% 2024-09-30 0001508655 tslx:BtrsHoldingIncMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 Debt Investments 2023-12-31 0001508655 us-gaap:RetainedEarningsMember 2023-03-31 0001508655 tslx:EquityAndOtherInvestmentsMember 2023-12-31 0001508655 Equity and Other Investments Retail and Consumer Products Copper Bidco, LLC Trust Certificates (132,928 Certificates) Initial Acquisition Date 12/7/2020 2023-12-31 0001508655 Equity and Other Investments Structured Credit Allegro CLO Ltd, Series 2018-1A, Structured Credit ($1,000 par, due 6/2031) Initial Acquisition Date 5/26/2022 Reference Rate and Spread SOFR + 3.11% Interest Rate 8.51% 2023-01-01 2023-12-31 0001508655 Debt Investments Hotel, Gaming and Leisure ASG II, LLC First-lien loan ($61,609 par, due 5/2028) Initial Acquisition Date 5/25/2022 Reference Rate Spread SOFR + 6.40% Interest Rate 11.77% 2023-01-01 2023-12-31 0001508655 Debt Investments Education EMS Linq, Inc. First-lien revolving loan ($3,338 par, due 12/2027) Initial Acquisition Date 12/22/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.41% 2024-09-30 0001508655 us-gaap:AdditionalPaidInCapitalMember 2022-12-31 0001508655 us-gaap:RevolvingCreditFacilityMember srt:MinimumMember srt:ObligorGroupMember 2024-09-30 0001508655 Debt Investments Financial Services Passport Labs, Inc. First-lien loan ($24,603 par, due 4/2026) Initial Acquisition Date 4/28/2021 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.75% 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Rapid Data GmbH Unternehmensberatun First-lien loan (Eur 4,495 par, due 7/2029) Initial Acquisition Date 7/11/2023 Reference Rate and Spread E + 6.50% Interest Rate 9.96% 2024-09-30 0001508655 Equity and Other Investments Structured Credit Cedar Funding CLO Ltd, Series 2018-7A Structured Credit ($1,000 par, due 1/2031) Initial Acquisition Date 7/21/2022 Reference Rate and Spread SOFR + 4.81% Interest Rate 10.23% 2023-12-31 0001508655 Equity and Other Investments Education EMS Linq, Inc. Class B Units (5,522,526 units) Initial Acquisition Date 12/22/2021 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Octagon Investment Partners 38 Ltd, Series 2018-1A Structured Credit ($2,800 par, due 7/2030) Initial Acquisition Date 9/20/2022 Reference Rate and Spread SOFR + 3.21% Interest Rate 8.63% 2023-12-31 0001508655 Debt Investments Business Services Netwrix Corp. First-lien loan ($36,594 par, due 6/2029) Initial Acquisition Date 5/9/2022 Reference Rate and Spread SOFR + 5.00% Interest Rate 10.39% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit Stewart Park CLO Ltd, Series 2015-1A Structured Credit ($1,000 par, due 1/2030) Initial Acquisition Date 7/25/2022 Reference Rate and Spread SOFR + 2.86% Interest Rate 8.26% 2023-01-01 2023-12-31 0001508655 tslx:EMSLinqIncMember tslx:RevolverMember 2023-12-31 0001508655 Derivative Interest Rate Swap 2024-09-30 0001508655 us-gaap:OverAllotmentOptionMember 2024-04-01 0001508655 Debt Investments Internet Services CrunchTime Information, Systems, Inc. First-lien loan ($59,049 par, due 6/2028) Initial Acquisition Date 6/17/2022 Reference Rate and Spread SOFR + 5.75% Interest Rate 10.81% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Business Services Artisan Topco LP Class A Preferred Units (2,117,264 units) Initial Acquisition Date 11/7/2023 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Internet Services Piano Software, Inc. Series C-1 Preferred Shares (418,527 shares) Initial Acquisition Date 12/22/2021 2024-09-30 0001508655 tslx:RevolvingCreditFacilityMaturityOnFebruary42026Member 2023-06-12 2023-06-12 0001508655 us-gaap:RevolvingCreditFacilityMember srt:MaximumMember 2024-09-30 0001508655 Debt Investments Financial Services CLGF Holdco 2, LLC Second-lien loan ($3,357 par, due 11/2028) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 12.00% Interest Rate 17.35% 2023-12-31 0001508655 Debt Investments Healthcare BCTO Ace Purchaser, Inc. Second-lien loan ($5,623 par, due 1/2030) Initial Acquisition Date 1/23/2023 Reference Rate and Spread SOFR + 10.70% Interest Rate 16.10% 2023-12-31 0001508655 Equity and Other Investments Education Astra 2L Holdings II LLC Membership Interest (10.17% ownership) Initial Acquisition Date 1/13/2022 2023-12-31 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. 280,000 Series C Warrants Initial Acquisition Date 2/28/2020 2024-01-01 2024-09-30 0001508655 tslx:O2023Q2SupplementalDividendsMember 2023-05-08 0001508655 country:FI srt:MaximumMember 2023-12-31 0001508655 tslx:InterestRateSwapOneMember 2024-07-01 2024-09-30 0001508655 Equity and Other Investments Human Resource Support Services Employment Hero Holdings Pty Ltd. Series E Preferred Shares (113,250 shares) Initial Acquisition Date 3/1/2022 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Business Services 2023-12-31 0001508655 Equity and Other Investments Business Services Newark FP Co-Invest, L.P. Partnership (2,527,719 units) Initial Acquisition Date 11/8/2023 2024-01-01 2024-09-30 0001508655 tslx:TwoThousandTwentyFourNotesMember 2020-01-01 2020-12-31 0001508655 Debt Investments Business Services Galileo Parent, Inc. First-lien revolving loan ($6,923 par, due 5/2030) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 11.87% 2024-09-30 0001508655 Debt Investments Healthcare 2023-12-31 0001508655 Equity and Other Investments Structured Credit Gulf Stream Meridian, Series 2021-6A Structured Credit ($2,000 par, due 1/2037) Initial Acquisition Date 9/12/2022 Reference Rate and Spread SOFR + 6.62% Interest Rate 11.93% 2023-12-31 0001508655 Debt Investments Internet Services Lucidworks, Inc. First-lien loan ($8,912 par, due 2/2027) Initial Acquisition Date 2/11/2022 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.86% (incl. 3.50% PIK) 2023-01-01 2023-12-31 0001508655 tslx:SlBuyerCorpMember tslx:DelayedDrawMember 2023-12-31 0001508655 Equity and Other Investments Education Astra 2L Holdings II LLC Membership Interest (10.17% ownership) Initial Acquisition Date 1/13/2022 2023-01-01 2023-12-31 0001508655 Debt Investments Automotive Truck-Lite Co., LLC First-lien loan ($40,235 par, due 2/2031) Initial Acquisition Date 2/13/2024 Reference Rate and Spread SOFR + 5.75% Interest Rate 10.86% 2024-09-30 0001508655 Debt Investments Manufacturing Avalara, Inc. First-lien loan ($38,636 par, due 10/2028) Initial Acquisition Date 10/19/2022 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.60% 2023-12-31 0001508655 Debt Investments Healthcare BCTO Ace Purchaser, Inc. Second-lien loan ($6,338 par, due 1/2030) Initial Acquisition Date 1/23/2023 Reference Rate and Spread SOFR + 10.70% Interest Rate 15.98% PIK 2024-01-01 2024-09-30 0001508655 Debt Investments Financial Services Alaska Bidco Oy First-lien loan (EUR 727 par, due 5/2030) Initial Acquisition Date 5/30/2023 Reference Rate and Spread E + 5.75% Interest Rate 9.10% 2024-01-01 2024-09-30 0001508655 Interest Rate Swap Company Receives 6.95% Company Pays SOFR + 2.99% Maturity Date 8/14/2028 2024-01-01 2024-09-30 0001508655 Debt Investments Manufacturing 2024-09-30 0001508655 Debt Investments Healthcare BCTO Ace Purchaser, Inc. First-lien loan ($69,231 par, due 11/2027) Initial Acquisition Date 11/23/2020 Reference Rate Spread SOFR + 7.45% Interest Rate 12.84% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Internet Services Piano Software, Inc. Series C-2 Preferred Shares (27,588 shares) Initial Acquisition Date 11/18/2022 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Retail and Consumer Products Neuintel, LLC Class A Units (1,176,494 units) Initial Acquisition Date 12/21/2021 2023-01-01 2023-12-31 0001508655 tslx:InterestRateSwapOneMember 2024-01-01 2024-09-30 0001508655 tslx:EquityAndOtherInvestmentsMember 2023-07-01 2023-09-30 0001508655 Debt Investments Business Services Lynx BidCo First-lien loan ($1,400 par, due 7/2031) Initial Acquisition Date 7/5/2024 Reference Rate and Spread SOFR + 7.11% Interest Rate 12.42% (5.61% PIK) 2024-09-30 0001508655 Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan (GBP 2,737 par, due 12/2025) Initial Acquisition Date 10/28/2021 Reference Rate and Spread S + 5.03% Interest Rate 9.98% 2024-09-30 0001508655 Debt Investments Hotel, Gaming and Leisure Equinox Holdings, Inc. First-lien loan ($49,073 par, due 3/2029) Initial Acquisition Date 3/8/2024 Reference Rate and Spread SOFR + 8.25% Interest Rate 12.85% (4.13% PIK) 2024-09-30 0001508655 us-gaap:RetainedEarningsMember 2024-09-30 0001508655 Controlled Affiliated Investments 2023-12-31 0001508655 Debt Investments Automotive BestPass, Inc. First-lien loan (44,800 par, due 5/2029) Initial Acquisition Date 5/26/2023 Reference Rate and SOFR + 5.75% Interest Rate 11.11% 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:MezzanineDebtInvestmentsMember 2023-07-01 2023-09-30 0001508655 Debt Investments Education EMS Linq, Inc. First-lien revolving loan ($3,338 par, due 12/2027) Initial Acquisition Date 12/22/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.41% 2024-01-01 2024-09-30 0001508655 Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan (AUD 13,400 par, due 12/2025) Initial Acquisition Date 1/11/2018 Reference Rate and Spread B + 5.00% Interest Rate 9.36% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Internet Services Piano Software, Inc. Series C-2 Preferred Shares (27,588 shares) Initial Acquisition Date 11/18/2022 2023-12-31 0001508655 Debt Investments Financial Services BlueSnap, Inc. First-lien loan ($41,895 par, due 10/2025) Initial Acquisition Date 10/25/2019 Reference Rate and Spread SOFR + 7.15% Interest Rate 12.50% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Series A Preferred Stock (1,667 Units) Initial Acquisition Date 12/20/2023 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember 2023-12-31 0001508655 tslx:TwoThousandTwentyEightNotesMember 2023-08-14 0001508655 Debt Investments Retail and Consumer Products Tango Management Consulting, LLC First-lien loan ($57,007 par, due 12/2027) Initial Acquisition Date 12/1/2021 Reference Rate and Spread SOFR + 6.85% Interest Rate 12.20% 2023-12-31 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. Series C Preferred Shares (1,915,114 shares) Initial Acquisition Date 10/13/2020 2023-01-01 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. ABL FILO term loan ($9,793 par, due 8/2027) Initial Acquisition Date 9/2/2022 Reference Rate and Spread SOFR + 9.90% Interest Rate 14.75% 2024-09-30 0001508655 us-gaap:FairValueInputsLevel1Member 2024-09-30 0001508655 Debt Investments Transportation Project44, Inc. First-lien loan ($35,139 par, due 11/2027) Initial Acquisition Date 11/12/2021 Reference Rate and Spread SOFR + 6.40% Interest Rate 11.78% 2023-12-31 0001508655 tslx:EquityAndOtherInvestmentsMember 2024-09-30 0001508655 country:NO 2023-12-31 0001508655 us-gaap:AssetPledgedAsCollateralMember 2024-09-30 0001508655 Equity and Other Investments Financial Services TradingScreen, Inc. Class A Units (600,000 units) Initial Acquisition Date 5/14/2021 2023-12-31 0001508655 tslx:InvestmentAdvisoryAgreementMember srt:ScenarioForecastMember 2024-11-01 2024-11-30 0001508655 tslx:TwoThousandTwentyFourNotesMember 2020-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:EquityAndOtherInvestmentsMember tslx:AssetValuationWaterfallMember 2023-12-31 0001508655 Debt Investments Communications Aurelia Netherlands MidCo 2 B.V. First-lien loan (EUR 32,904 par, due 5/2031) Initial Acquisition Date 5/22/2024 Reference Rate and Spread E + 5.75% Interest Rate 9.55% 2024-09-30 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC 90,634 Warrants Initial Acquisition Date 12/20/2023 2024-01-01 2024-09-30 0001508655 tslx:DelayedDrawMember tslx:TRPAssetsLLCMember 2024-09-30 0001508655 Debt Investments Insurance Disco Parent, Inc. First-lien loan ($4,545 par, due 3/2029) Initial Acquisition Date 3/30/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.89% 2023-01-01 2023-12-31 0001508655 tslx:IRGSEHoldingCorpMember tslx:RevolverMember 2023-12-31 0001508655 Debt Investments Office Products USR Parent, Inc. ABL FILO term loan ($17,000 par, due 4/2027) Initial Acquisition Date 4/25/2022 Reference Rate and Spread SOFR + 6.50% Interest Rate 11.84% 2023-12-31 0001508655 tslx:PharmaceuticalsMember 2024-09-30 0001508655 Debt Investments Internet Services EDB Parent, LLC First-lien loan ($68,123 par, due 7/2028) Initial Acquisition Date 7/7/2022 Reference Rate and Spread SOFR + 6.75% Interest Rate 11.81% 2024-09-30 0001508655 tslx:FirstLienDebtInvestmentsMember 2023-09-30 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Series A Preferred Stock (1,667 Units) Initial Acquisition Date 12/20/2023 2023-12-31 0001508655 Equity and Other Investments Financial Services Newport Parent Holdings, L.P. Class A-2 Units (131,569 units) Initial Acquisition Date 12/10/2020 2023-01-01 2023-12-31 0001508655 tslx:BenNevisMidcoLimitedMember tslx:DelayedDrawMember 2024-09-30 0001508655 Debt Investments Communications Celtra Technologies, Inc. First-lien loan ($26,612 par, due 11/2026) Initial Acquisition Date 11/19/2021 Reference Rate and Spread SOFR + 5.75% Interest Rate 11.00% 2024-01-01 2024-09-30 0001508655 tslx:SlBuyerCorpMember tslx:DelayedDrawMember 2024-09-30 0001508655 Debt Investments Oil, Gas and Consumable Fuels Mach Natural Resources LP First-lien loan ($4,750 par, due 12/2026) Initial Acquisition Date 12/28/2023 Reference Rate and Spread SOFR + 6.65% Interest Rate 11.25% 2024-01-01 2024-09-30 0001508655 us-gaap:RevolvingCreditFacilityMember srt:MinimumMember 2024-01-01 2024-09-30 0001508655 Interest Rate Swap Company Receives 6.125% Company Pays SOFR + 2.44% Maturity Date 3/1/2029 2024-09-30 0001508655 Equity and Other Investments Structured Credit Dryden Senior Loan Fund, Series 2020-86A Structured Credit ($1,500 par, due 7/2034) Initial Acquisition Date 8/17/2022 Reference Rate and Spread SOFR + 6.76% Interest Rate 12.16% 2023-12-31 0001508655 Debt Investments Manufacturing ASP Unifrax Holdings, Inc. First-lien loan (EUR 1,023 par, due 12/2025) Initial Acquisition Date 9/14/2023 Reference Rate and Spread E + 3.75% Interest Rate 7.68% 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member 2023-07-01 2023-09-30 0001508655 tslx:AdministrationAgreementMember us-gaap:GeneralAndAdministrativeExpenseMember tslx:AdviserMember 2023-01-01 2023-09-30 0001508655 Debt Investments Retail and Consumer Products 2024-09-30 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. Series D Preferred Shares (1,240,740 shares) Initial Acquisition Date 5/11/2021 2024-09-30 0001508655 tslx:SouthMember 2023-12-31 0001508655 Equity and Other Investments Business Services Sprinklr, Inc. Common Shares (315,005 shares) Initial Acquisition Date 6/24/2021 2023-12-31 0001508655 Debt Investments Retail and Consumer Products American Achievement, Corp. First-lien loan ($1,352 par, due 9/2026) Initial Acquisition Date 6/10/2021 Reference Rate and Spread SOFR + 14.10% Interest Rate 18.94% PIK 2023-12-31 0001508655 Debt Investments Internet Services SMA Technologies Holdings, LLC First-lien loan ($36,833 par, due 10/2028) Initial Acquisition Date 10/31/2022 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.11% 2023-12-31 0001508655 us-gaap:RetainedEarningsMember 2023-01-01 2023-03-31 0001508655 tslx:AutomotiveMember 2024-09-30 0001508655 Equity and Other Investments Financial Services Oxford Square Capital Corp. Common Shares (1,620 shares) Initial Acquisition Date 8/5/2015 2024-09-30 0001508655 Equity and Other Investments Structured Credit Voya CLO Ltd, Series 2018-3A Structured Credit ($2,750 par, due 10/2031) Initial Acquisition Date 6/22/2022 Reference Rate and Spread SOFR + 6.01% Interest Rate 11.31% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Oil, Gas and Consumable Fuels 2023-12-31 0001508655 tslx:InterestRateSwapFiveMember 2024-07-01 2024-09-30 0001508655 us-gaap:AssetPledgedAsCollateralMember 2023-12-31 0001508655 tslx:RevolvingCreditFacilityMaturityOnApril232027Member 2024-04-24 0001508655 us-gaap:ValuationTechniqueDiscountedCashFlowMember us-gaap:FairValueInputsLevel3Member tslx:EquityAndOtherInvestmentsMember 2024-09-30 0001508655 Equity and Other Investments Education Astra 2L Holdings II LLC Membership Interest (10.17% ownership) Initial Acquisition Date 1/13/2022 2024-09-30 0001508655 Debt Investments Financial Services BCTO Bluebill Buyer, Inc. First-lien loan ($29,606 par, due 7/2029) Initial Acquisition Date 7/20/2023 Reference Rate and Spread SOFR + 6.25% Interest Rate 11.50% 2024-01-01 2024-09-30 0001508655 Debt Investments Automotive Truck-Lite Co., LLC First-lien revolving loan ($44 par, due 2/2031) Initial Acquisition Date 2/13/2024 Reference Rate and Spread SOFR + 5.75% Interest Rate 10.85% 2024-01-01 2024-09-30 0001508655 tslx:InsuranceMember 2024-09-30 0001508655 Equity and Other Investments Internet Services Piano Software, Inc. Series C-2 Preferred Shares (27,588 shares) Initial Acquisition Date 11/18/2022 2024-01-01 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. Super-Priority DIP term loan ($4,101 par) Initial Acquisition Date 4/24/2023 Reference Rate and Spread SOFR + 7.90% Interest Rate 12.75% 2024-09-30 0001508655 Debt Investments Insurance Disco Parent, Inc. First-lien loan ($4,545 par, due 3/2029) Initial Acquisition Date 3/30/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.89% 2023-12-31 0001508655 Debt Investments Human Resource Support Services Madcap Software, Inc. First-lien loan ($32,500 par, due 12/2026) Initial Acquisition Date 12/15/2023 Reference Rate and Spread SOFR + 6.10% Interest Rate 11.46% 2023-01-01 2023-12-31 0001508655 tslx:OtherMember 2023-12-31 0001508655 Derivative Interest Rate Swap 2024-01-01 2024-09-30 0001508655 Interest Rate Swap Company Receives 6.95% Company Pays SOFR + 2.99% Maturity Date 8/14/2028 2023-01-01 2023-12-31 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (EUR 7,239 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread E + 7.00% Interest Rate 10.64% 2024-09-30 0001508655 us-gaap:RetainedEarningsMember 2024-03-31 0001508655 Debt Investments Human Resource Support Services Elysian Finco Ltd. First-lien loan ($19,519 par, due 1/2028) Initial Acquisition Date 1/31/2021 Reference Rate and Spread SOFR + 6.65% Interest Rate 2.03% (incl. 6.50% PIK) 2023-12-31 0001508655 tslx:InterestRateSwapFiveMember 2023-07-01 2023-09-30 0001508655 Debt Investments Retail and Consumer Products 99 Cents Only Stores LLC ABL FILO term loan ($25,000 par, due 5/2025) Initial Acquisition Date 9/6/2017 Reference Rate and Spread SOFR + 8.65% Interest Rate 14.03% 2023-12-31 0001508655 Debt Investments Pharmaceuticals 2024-09-30 0001508655 Equity and Other Investments Structured Credit Crown Point CLO Ltd, Series 2021-10A Structured Credit ($1,000 par, due 7/2034) Initial Acquisition Date 6/14/2022 Reference Rate and Spread SOFR + 7.11% Interest Rate 12.53% 2023-12-31 0001508655 tslx:PingIdentityCorporationMember tslx:RevolverMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit MidOcean Credit CLO Ltd, Series 2018-9A Structured Credit ($1,100 par, due 7/2031) Initial Acquisition Date 6/1/2022 Reference Rate and Spread SOFR + 6.31% Interest Rate 11.73% 2023-12-31 0001508655 2015-08-04 2015-08-04 0001508655 Debt Investments Internet Services Lithium Technologies, LLC First-lien loan ($61,483 par, due 1/2025) Initial Acquisition Date 10/3/2017 Reference Rate and Spread SOFR + 9.00% Interest Rate 14.26% (incl. 4.50% PIK) 2024-09-30 0001508655 Debt Investments Human Resource Support Services HireVue, Inc. First-lien revolving loan ($2,804 par, due 5/2029) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.38% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Marketing Services Validity, Inc. Series A Preferred Shares (3,840,000 shares) Initial Acquisition Date 5/31/2018 2024-01-01 2024-09-30 0001508655 Debt Investments Healthcare Homecare Software Solutions, LLC First-lien loan ($65,000 par, due 10/2026) Initial Acquisition Date 10/6/2021 Reference Rate and Spread SOFR + 5.70% Interest Rate 11.06% 2023-01-01 2023-12-31 0001508655 tslx:ControlledAffiliatedInvestmentsMember 2024-01-01 2024-09-30 0001508655 tslx:StructuredCreditInvestmentsMember 2023-12-31 0001508655 Interest Rate Swap Company Receives 3.875% Company Pays SOFR + 2.72% Maturity Date 11/1/2024 2024-01-01 2024-09-30 0001508655 us-gaap:RealEstateMember 2024-09-30 0001508655 tslx:FirstLienDebtInvestmentsMember 2024-09-30 0001508655 country:FI srt:MaximumMember 2024-09-30 0001508655 tslx:ArrowbuyerIncMember tslx:DelayedDrawMember 2024-09-30 0001508655 Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan (AUD 11,851 par, due 12/2025) Initial Acquisition Date 1/11/2018 Reference Rate and Spread B + 5.00% Interest Rate 9.36% 2024-09-30 0001508655 tslx:O2024Q1SupplementalDividendsMember 2024-02-15 0001508655 tslx:ControlledAffiliatedInvestmentsMember 2023-01-01 2023-09-30 0001508655 Debt Investments Manufacturing Skylark UK DebtCo Limited First-lien loan (GBP 16,640 par, due 9/2030) Initial Acquisition Date 9/7/2023 Reference Rate and Spread S + 6.25% Interest Rate 11.52% 2023-12-31 0001508655 Equity and Other Investments Healthcare Raptor US Buyer II Corp. 20,268 Ordinary Shares Initial Acquisition Date 3/24/2023 2024-01-01 2024-09-30 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien revolving loan (GBP 312 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread S + 6.75% Interest Rate 11.98% 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services BTRS Holdings, Inc. First-lien revolving loan ($1,205 par, due 12/2028) Initial Acquisition Date 12/16/2022 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.63% 2023-12-31 0001508655 tslx:InterestRateSwapThreeMember 2024-07-01 2024-09-30 0001508655 Equity and Other Investments Education RMCF IV CIV XXXV, LP. Partnership Interest (11.94% ownership) Initial Acquisition Date 6/8/2021 2023-12-31 0001508655 tslx:AdministrationAgreementMember us-gaap:GeneralAndAdministrativeExpenseMember tslx:AdviserMember 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Signal Peak CLO LLC, Series 2018-5A Structured Credit ($1,000 par, due 4/2031) Initial Acquisition Date 8/9/2022 Reference Rate and Spread SOFR + 5.91% Interest Rate 11.29% 2023-12-31 0001508655 us-gaap:UnfundedLoanCommitmentMember 2023-12-31 0001508655 Debt Investments Business Services Crewline Buyer, Inc. First-lien loan ($ 56,324 par, due 17/2030) Initial Acquisition Date 11/8/2023 Reference Rate and SOFR+ 6.75% Interest Rate 12.10% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit GoldenTree CLO Ltd, Series 2020-7A Structured Credit ($1,000 par, due 4/2034) Initial Acquisition Date 6/17/2022 Reference Rate and Spread SOFR + 6.76% Interest Rate 12.18% 2023-01-01 2023-12-31 0001508655 Interest Rate Swap Company Receives 2.50% Company Pays SOFR + 2.17% Maturity Date 8/1/2026 2024-01-01 2024-09-30 0001508655 Debt Investments Education 2024-09-30 0001508655 2023-12-31 0001508655 Equity and Other Investments Structured Credit Magnetite CLO Ltd, Series 2021-30A Structured Credit ($1,000 par, due 10/2034) Initial Acquisition Date 6/13/2022 Reference Rate and Spread SOFR + 6.46% Interest Rate 11.84% 2023-12-31 0001508655 Debt Investments Chemicals 2023-12-31 0001508655 Debt Investments Business Services Netwrix Corp First-lien loan ($46,126 par, due 6/2029) Initial Acquisition Date 6/9/2022 Reference Rate and Spread SOFR + 5.50% Interest Rate 10.56% 2024-09-30 0001508655 tslx:GalileoParentincMember tslx:RevolverMember 2023-12-31 0001508655 tslx:TwentyTwentyEightNotesMember 2023-08-14 2023-08-14 0001508655 tslx:CordanceOperationsLlcMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 Equity and Other Investments Business Services Mitnick TA Aggregator, L.P. Membership Interest (0.43% ownership) Initial Acquisition Date 5/2/2022 2024-09-30 0001508655 Equity and Other Investments Business Services Sprinklr, Inc. Common Shares (315,005 shares) Initial Acquisition Date 6/24/2021 2023-01-01 2023-12-31 0001508655 Debt Investments Communications 2023-12-31 0001508655 Debt Investments Business Services Hornetsecurity Holding GmbH First-lien loan (EUR 3,150 par, due 11/2029) Initial Acquisition Date 11/14/2022 Reference Rate and Spread E + 6.50% Interest Rate 10.50% 2023-12-31 0001508655 tslx:ExtraHopNetworksIncMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 tslx:DelayedDrawMember tslx:TRPAssetsLLCMember 2023-12-31 0001508655 tslx:TwentyTwentyFourNotesMember 2024-01-01 2024-09-30 0001508655 tslx:InterestRateSwapTwoMember 2023-01-01 2023-09-30 0001508655 Equity and Other Investments Retail and Consumer Products American Achievement, Corp. Class A Units (687 units) Initial Acquisition Date 3/16/2021 2023-12-31 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC 90,634 Warrants Initial Acquisition Date 12/20/2023 2023-12-31 0001508655 tslx:O2024Q2BaseDividendsMember 2024-05-01 2024-05-01 0001508655 Debt Investments Business Services Dye & Durham Corp. First-lien loan ($957 par, due 4/2031) Initial Acquisition Date 4/4/2024 Reference Rate and Spread SOFR + 4.35% Interest Rate 8.95% 2024-09-30 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. Series D Preferred Shares (1,240,740 shares) Initial Acquisition Date 5/11/2021 2023-12-31 0001508655 us-gaap:RealEstateMember srt:MaximumMember 2023-12-31 0001508655 Equity and Other Investments Structured Credit Allegro CLO Ltd, Series 2018-1A, Structured Credit ($1,000 par, due 6/2031) Initial Acquisition Date 5/26/2022 Reference Rate and Spread SOFR + 3.11% Interest Rate 8.51% 2023-12-31 0001508655 Debt Investments Financial Services BTRS Holdings, Inc. First-lien loan ($48,503 par, due 12/2028) Initial Acquisition Date 12/16/2022 Reference Rate and Spread SOFR + 8.00% Interest Rate 12.86% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Healthcare 2024-09-30 0001508655 Debt Investments Human Resource Support Services Axonify, Inc. First-lien loan ($41,607 par, due 5/2027) Initial Acquisition Date 5/5/2021 Reference Rate and Spread SOFR + 7.65% Interest Rate 13.04% 2023-01-01 2023-12-31 0001508655 Debt Investments Healthcare BCTO Ace Purchaser, Inc. First-lien loan ($69,231 par, due 11/2027) Initial Acquisition Date 11/23/2020 Reference Rate Spread SOFR + 7.45% Interest Rate 12.84% 2023-12-31 0001508655 Interest Rate Swap Company Pays SOFR + 2.17% Maturity Date 8/1/2026 2024-09-30 0001508655 Debt Investments Financial Services Fullsteam Operations LLC First-lien loan ($38,680 par, due 11/2029) Initial Acquisition Date 11/27/2023 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.46% 2024-01-01 2024-09-30 0001508655 Debt Investments Human Resource Support Services PayScale Holdings, Inc. First-lien loan ($71,196 par, due 5/2027) Initial Acquisition Date 5/3/2019 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.70% 2023-12-31 0001508655 Debt Investments Financial Services BlueSnap, Inc. First-lien loan ($43,973 par, due 8/2025) Initial Acquisition Date 10/25/2019 Reference Rate and Spread SOFR + 9.15% Interest Rate 13.75% 2024-01-01 2024-09-30 0001508655 tslx:O2024Q2SupplementalDividendsMember 2024-05-01 0001508655 tslx:MezzanineDebtInvestmentsMember 2023-12-31 0001508655 Debt Investments Financial Services BlueSnap, Inc. First-lien loan ($43,973 par, due 8/2025) Initial Acquisition Date 10/25/2019 Reference Rate and Spread SOFR + 9.15% Interest Rate 13.75% 2024-09-30 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Class A-3 Units (16,957 units) Initial Acquisition Date 11/10/2023 2024-09-30 0001508655 Debt Investments Human Resource Support Services Employment Hero Holdings Pty Ltd. First-lien loan (AUD 50,000 par, due 12/2026) Initial Acquisition Date 12/6/2021 Reference Rate and Spread B + 6.25% Interest Rate 10.67% 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services Netwrix Corp. First-lien loan ($36,594 par, due 6/2029) Initial Acquisition Date 5/9/2022 Reference Rate and Spread SOFR + 5.00% Interest Rate 10.39% 2023-12-31 0001508655 Debt Investments Internet Services Arrow Buyer, Inc. First-lien loan ($33,125 par, due 7/2030) Initial Acquisition Date 6/30/2023 Reference Rate and Spread SOFR + 6.50% Interest Rate 11.85% 2023-12-31 0001508655 us-gaap:DesignatedAsHedgingInstrumentMember us-gaap:InterestRateSwapMember 2023-07-01 2023-09-30 0001508655 Debt Investments Transportation Marcura Equities LTD First-lien revolving loan ($1,667 par, due 8/2029) Initial Acquisition Date 8/11/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.18% 2023-12-31 0001508655 Equity and Other Investments Human Resource Support Services 2023-12-31 0001508655 Equity and Other Investments Human Resource Support Services DaySmart Holdings, LLC Class A Units (166,811 units) Initial Acquisition Date 12/18/2020 2023-01-01 2023-12-31 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentyEightNotesMember 2023-01-01 2023-09-30 0001508655 tslx:O2024Q2BaseDividendsMember 2024-05-01 0001508655 us-gaap:CommonStockMember 2024-09-30 0001508655 Equity and Other Investments Oil, Gas and Consumable Fuels Murchison Oil and Gas, LLC Preferred Units (13,355 units) Initial Acquisition Date 6/30/2022 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit CIFC CLO Ltd, Series 2018-3A Structured Credit ($1,000 par, due 7/2031) Initial Acquisition Date 6/16/2022 Reference Rate and Spread SOFR + 5.76% Interest Rate 11.16% 2023-12-31 0001508655 tslx:MezzanineDebtInvestmentsMember 2023-01-01 2023-12-31 0001508655 Debt Investments Healthcare SL Buyer Corp. First-lien loan ($32,759 par, due 7/2029) Initial Acquisition Date 7/7/2023 Reference Rate and Spread SOFR + 7.75% Interest Rate 13.00% 2024-01-01 2024-09-30 0001508655 us-gaap:RetainedEarningsMember 2024-07-01 2024-09-30 0001508655 Equity and Other Investments Oil, Gas and Consumable Fuels Murchison Oil and Gas, LLC 13,355 Preferred Units, Initial Acquisition Date 6/30/2022 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:EquityAndOtherInvestmentsMember 2023-07-01 2023-09-30 0001508655 Debt Investments Financial Services Passport Labs, Inc. Convertible Promissory Note A ($1,086 par, due 8/2026) Initial Acquisition Date 3/2/2023 Reference Rate and Spread 8.00% Interest Rate 8.00% 2024-09-30 0001508655 tslx:BanyanSoftwareHoldingsLlcMember tslx:DelayedDrawMember 2023-12-31 0001508655 Interest Rate Swap Company Receives SOFR + 2.54% Maturity Date 11/1/2024 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services Artisan Bidco, Inc First-lien loan ($37,825 par, due 11/2029) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.12% 2024-09-30 0001508655 Debt Investments Business Services Azurite Intermediate Holdings, Inc. First-lien loan ($32,063 par, due 3/2031) Initial Acquisition Date 3/19/2024 Reference Rate and Spread SOFR + 6.50% Interest Rate 11.35% 2024-01-01 2024-09-30 0001508655 Debt Investments Internet Services LeanTaaS Holdings, Inc. First-lien loan ($36,966 par, due 7/2028) Initial Acquisition Date 7/12/2022 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.85% 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services Kyriba Corp. First-lien loan ($38,077 par, due 4/2028) Initial Acquisition Date 12/21/2023 Reference Rate and Spread SOFR + 8.50% Interest Rate 13.10% (8.50% PIK) 2024-01-01 2024-09-30 0001508655 Debt Investments Internet Services LeanTaaS Holdings, Inc. First-lien loan ($36,966 par, due 7/2028) Initial Acquisition Date 7/12/2022 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.85% 2023-12-31 0001508655 tslx:CommunicationsMember 2023-12-31 0001508655 tslx:TwentyTwentyThreeNotesMember 2018-01-01 2018-01-31 0001508655 us-gaap:FairValueInputsLevel2Member 2023-12-31 0001508655 Debt Investments Financial Services CLGF Holdco 2, LLC First-lien loan ($3,916 par, due 11/2027) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 8.50% Interest Rate 13.10% 2024-09-30 0001508655 Equity and Other Investments Financial Services AF Eagle Parent, L.P. Partnership (121,329 units) Initial Acquisition Date 11/27/2023 2024-09-30 0001508655 us-gaap:CommonStockMember 2024-01-01 2024-03-31 0001508655 tslx:SecondLienDebtInvestmentsMember 2024-07-01 2024-09-30 0001508655 tslx:TwoThousandTwentyEightNotesMember 2023-08-14 2023-08-14 0001508655 Debt Investments Other Omnigo Software, LLC First-lien loan ($39,635 par, due 3/2026) Initial Acquisition Date 3/31/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.20% 2024-09-30 0001508655 tslx:CordanceOperationsLlcMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 Debt Investments Internet Services Piano Software, Inc. First-lien loan ($53,804 par, due 2/2026) Initial Acquisition Date 2/25/2021 Reference Rate and Spread SOFR + 7.85% Interest Rate 12.70% 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember srt:MinimumMember us-gaap:IncomeApproachValuationTechniqueMember 2023-12-31 0001508655 tslx:DelayedDrawMember tslx:SkylarkUkDebtcoLimitedMember 2024-09-30 0001508655 Equity and Other Investments Business Services Dye & Durham, Ltd. Common Shares (126,968 shares) Initial Acquisition Date 12/3/2021 2024-09-30 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. 569,991 Warrants Initial Acquisition Date 4/2/2020 2023-12-31 0001508655 Equity and Other Investments Structured Credit Cedar Funding CLO Ltd, Series 2018-7A Structured Credit ($1,000 par, due 1/2031) Initial Acquisition Date 7/21/2022 Reference Rate and Spread SOFR + 4.81% Interest Rate 10.09% 2024-09-30 0001508655 Hedge Accounting Swaps 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Battalion CLO Ltd, Series 2021-21A Structured Credit ($1,300 par, due 7/2034) Initial Acquisition Date 7/13/2022 Reference Rate and Spread SOFR + 3.56% Interest Rate 8.96% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. 569,991 Warrants Initial Acquisition Date 4/2/2020 2024-01-01 2024-09-30 0001508655 tslx:O2023Q3SupplementalDividendsMember 2023-08-03 2023-08-03 0001508655 Debt Investments Education Astra Acquisition Corp. Second-lien loan ($40,302 par, due 10/2029) Initial Acquisition Date 10/22/2021 Reference Rate and Spread SOFR + 9.14% Interest Rate 13.74% 2024-01-01 2024-09-30 0001508655 Debt Investments Internet Services Higher Logic, LLC First-lien loan ($50,775 par, due 1/2025) Initial Acquisition Date 6/18/2018 Reference Rate and Spread SOFR + 6.75% Interest Rate 11.35% 2024-09-30 0001508655 us-gaap:InvestmentAffiliatedIssuerControlledMember 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services Dye & Durham Corp. First-lien revolving loan (CAD 1,086 par, due 12/2026) Initial Acquisition Date 12/3/2021 Reference Rate and C+ 5.75% Interest Rate 11.20% 2023-12-31 0001508655 Debt Investments Manufacturing Skylark UK DebtCo Limited First-lien loan (EUR 4,851 par, due 9/2030) Initial Acquisition Date 9/7/2023 Reference Rate and Spread E + 6.25% Interest Rate 10.18% 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services CLGF Holdco 2, LLC First-lien loan ($3,916 par, due 11/2027) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 8.50% Interest Rate 13.85% 2023-01-01 2023-12-31 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentySixNotesMember 2024-07-01 2024-09-30 0001508655 tslx:SecondLienDebtInvestmentsMember 2022-12-31 0001508655 Equity and Other Investments Healthcare 2023-12-31 0001508655 tslx:TwoThousandTwentyNineNotesMember us-gaap:InterestRateSwapMember 2024-07-01 2024-09-30 0001508655 tslx:TwoThousandTwentyFourNotesMember 2020-02-05 0001508655 tslx:InvestmentAdvisoryAgreementMember tslx:FutureRealizedCapitalGainsPriorToAprilFirstTwoThousandFourteenMember 2020-03-31 2020-03-31 0001508655 Debt Investments Communications IntelePeer Holdings, Inc. First-lien loan ($33,646 par, due 12/2024) Initial Acquisition Date 12/2/2019 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.75% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Human Resource Support Services Axonify, Inc. Class A-1 Units (3,780,000 units) Initial Acquisition Date 5/5/2021 2024-09-30 0001508655 Debt Investments Business Services Price Fx Inc. First-lien loan (EUR 910 par, due 10/2029) Initial Acquisition Date 10/27/2023 Reference Rate and Spread E + 7.00% Interest Rate 10.94% 2023-12-31 0001508655 Equity and Other Investments Business Services Warrior TopCo LP Class A Units (423,729 units) Initial Acquisition Date 7/7/2023 2024-09-30 0001508655 Equity and Other Investments Internet Services Lucidworks, Inc. Series F Preferred Shares (199,054 shares) Initial Acquisition Date 8/2/2019 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. Series C Preferred Shares (1,816,295 shares) Initial Acquisition Date 4/8/2021 2024-01-01 2024-09-30 0001508655 Debt Investments Financial Services 2023-12-31 0001508655 tslx:NortheastMember 2023-12-31 0001508655 tslx:RevolvingCreditFacilityMaturityOnApril232027Member 2023-06-12 2023-06-12 0001508655 Debt Investments Internet Services Hippo XPA Bidco AB First-lien loan (EUR 2,450 par, due 2/2031) Initial Acquisition Date 2/20/2024 Reference Rate and Spread E + 6.50% Interest Rate 9.87% (3.50% PIK) 2024-09-30 0001508655 Debt Investments Transportation Project44, Inc. First-lien loan ($35,007 par, due 11/2027) Initial Acquisition Date 11/12/2021 Reference Rate and Spread SOFR + 6.40% Interest Rate 11.52% 2024-01-01 2024-09-30 0001508655 tslx:O2024Q2SupplementalDividendsMember 2024-05-01 2024-05-01 0001508655 Debt Investments Financial Services Ibis Intermediate Co. First-lien loan ($1,201 par, due 5/2027) Initial Acquisition Date 5/28/2021 Reference Rate and Spread SOFR + 4.65% Interest Rate 10.04% 2023-01-01 2023-12-31 0001508655 Total Investments 2024-09-30 0001508655 Debt Investments Healthcare Merative L.P. First-lien loan ($70,103 par, due 6/2028) Initial Acquisition Date 6/30/2022 Reference Rate Spread SOFR + 7.25% Interest Rate 12.60% 2023-12-31 0001508655 Debt Investments Financial Services Kyriba Corp. First-lien loan (EUR 11,672 par, due 4/2028) Initial Acquisition Date 12/21/2023 Reference Rate and Spread E + 8.50% Interest Rate 11.85 (8.50% PIK) 2024-09-30 0001508655 Debt Investments Human Resource Support Services HireVue, Inc. First-lien loan ($53,707 par, due 5/2029) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.50% 2024-09-30 0001508655 tslx:InterestRateSwapSixMember 2024-07-01 2024-09-30 0001508655 tslx:DelayedDrawAndRevolverMember tslx:RapidDataGmbhUnternehmensberatungMember 2024-09-30 0001508655 Debt Investments Internet Services LeanTaaS Holdings, Inc. First-lien loan ($54,116 par, due 7/2028) Initial Acquisition Date 7/12/2022 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.10% 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Rapid Data GmbH Unternehmensberatung First-lien loan (EUR 4,495 par, due 7/2029) Initial Acquisition Date 7/11/2023 Reference Rate and Spread E + 6.50% Interest Rate 10.48% 2023-12-31 0001508655 tslx:ElysianFincoLtdMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member srt:WeightedAverageMember us-gaap:MarketApproachValuationTechniqueMember us-gaap:MeasurementInputComparabilityAdjustmentMember tslx:EquityAndOtherInvestmentsMember 2024-09-30 0001508655 us-gaap:RevolvingCreditFacilityMember 2024-01-01 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember 2024-09-30 0001508655 us-gaap:RevolvingCreditFacilityMember srt:MaximumMember 2024-01-01 2024-09-30 0001508655 Debt Investments Communications IntelePeer Holdings, Inc. Convertible note ($4,700 par, due 5/2028) Initial Acquisition Date 5/12/2021 Reference Rate and Spread 7.50% Interest Rate 7.50% PIK 2023-12-31 0001508655 tslx:CoupaHoldingsLLCMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 tslx:O2023Q1BaseDividendsMember 2023-02-16 2023-02-16 0001508655 2023-04-01 2023-06-30 0001508655 tslx:ArrowbuyerIncMember tslx:DelayedDrawMember 2023-12-31 0001508655 Equity and Other Investments 2023-12-31 0001508655 Debt Investments Education EMS Linq, Inc. First-lien loan ($56,216 par, due 12/2027) Initial Acquisition Date 12/22/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.71% 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services Kyriba Corp. First-lien loan ($35,634 par, due 4/2028) Initial Acquisition Date 12/21/2023 Reference Rate and Spread SOFR + 8.50% Interest Rate 13.87% (incl. 8.50% PIK) 2023-12-31 0001508655 Equity and Other Investments Hotel, Gaming and Leisure 2023-12-31 0001508655 Hedge Accounting Swaps 2023-12-31 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. Series C Preferred Shares (1,915,114 shares) Initial Acquisition Date 10/13/2020 2024-09-30 0001508655 tslx:TangoManagementConsultingLLCMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 us-gaap:InterestRateSwapMember us-gaap:NondesignatedMember 2023-01-01 2023-09-30 0001508655 Debt Investments Human Resource Support Services HireVue, Inc. First-lien revolving loan ($2,804 par, due 5/2029) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.38% 2024-09-30 0001508655 Debt Investments Other Omnigo Software, LLC First-lien loan ($39,635 par, due 3/2026) Initial Acquisition Date 3/31/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.20% 2024-01-01 2024-09-30 0001508655 tslx:TwentyTwentySixNotesMember 2021-02-03 2021-02-03 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (GBP 12,287 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread S + 6.75% Interest Rate 11.98% 2023-01-01 2023-12-31 0001508655 tslx:EDBParentLLCMember tslx:DelayedDrawMember 2023-12-31 0001508655 Debt Investments Internet Services 2023-12-31 0001508655 country:SE 2024-09-30 0001508655 us-gaap:RealEstateMember srt:MaximumMember 2024-09-30 0001508655 Debt Investments Pharmaceuticals Apellis Pharmaceuticals, Inc. First-lienloan($19,737 par, due 5/2030) Initial Acquisition Date 5/13/2024 Reference Rate and Spread SOFR + 5.75% Interest Rate 10.35% 2024-09-30 0001508655 Equity and Other Investments Business Services Warrior TopCo LP Class A Units (423,728 units) Initial Acquisition Date 7/7/2023 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services TradingScreen, Inc. First-lien loan ($49,823 par, due 4/2027) Initial Acquisition Date 4/30/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.60% 2024-09-30 0001508655 tslx:AdministrationAgreementMember srt:ScenarioForecastMember 2024-11-01 2024-11-30 0001508655 us-gaap:FairValueInputsLevel3Member 2023-01-01 2023-09-30 0001508655 Debt Investments Business Services Galileo Parent, Inc. First-lien loan ($64,742 par, due 5/2030) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.60% 2023-01-01 2023-12-31 0001508655 tslx:RevolvingCreditFacilityMaturityOnApril232027Member 2023-06-12 0001508655 us-gaap:FairValueInputsLevel3Member 2024-07-01 2024-09-30 0001508655 tslx:InterestRateSwapFourMember 2024-07-01 2024-09-30 0001508655 us-gaap:LetterOfCreditMember 2024-09-30 0001508655 Debt Investments Human Resource Support Services bswift, LLC First-lien loan ($44,022 par, due 11/2028) Initial Acquisition Date 11/7/2022 Reference Rate and Spread SOFR + 6.38% Interest Rate 11.68% 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Belk, Inc. First-lien loan ($50,000 par, due 7/2029) Initial Acquisition Date 7/22/2024 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.28% 2024-01-01 2024-09-30 0001508655 Debt Investments Real Estate Cirrus (BidCo) Limited First-lien loan (GBP 667 par, due 8/2030) Initial Acquisition Date 8/9/2024 Reference Rate and Spread SOFR + 6.25% Interest Rate 11.20% (3.00% PIK) 2024-01-01 2024-09-30 0001508655 Debt Investments Internet Services Piano Software, Inc. First-lien loan ($50,889 par, due 2/2026) Initial Acquisition Date 2/25/2021 Reference Rate and Spread SOFR + 7.10% Interest Rate 12.45% 2023-12-31 0001508655 tslx:TwoThousandTwentySixNotesMember 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Wind River CLO Ltd, Series 2018-3A Structured Credit ($2,000 par, due 1/2031) Initial Acquisition Date 12/12/2022 Reference Rate and Spread SOFR + 5.91% Interest Rate 11.33% 2023-12-31 0001508655 tslx:DelayedDrawAndRevolverMember tslx:UsaDebuskLlcMember 2024-09-30 0001508655 tslx:SapphireSoftwareBuyerIncMember tslx:RevolverMember 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember srt:MaximumMember 2024-09-30 0001508655 Debt Investments Financial Services BTRS Holdings, Inc. First-lien revolving loan ($1,807 par, due 12/2028) Initial Acquisition Date 12/16/2022 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.31% 2024-09-30 0001508655 tslx:DelayedDrawAndRevolverMember tslx:ForeScoutTechnologiesIncMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit Park Avenue Institutional Advisers CLO Ltd, Series 2018-1A Structured Credit ($1,000 par, due 10/2031) Initial Acquisition Date 9/23/2022 Reference Rate and Spread SOFR + 3.59% Interest Rate 9.01% 2023-12-31 0001508655 us-gaap:RevolvingCreditFacilityMember 2024-09-30 0001508655 Debt Investments Retail and Consumer Products American Achievement, Corp. First-lien loan ($27,046 par, due 9/2026) Initial Acquisition Date 9/30/2015 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.19% PIK 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Communications 2023-12-31 0001508655 tslx:KyribaCorpMember tslx:RevolverMember 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member srt:WeightedAverageMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember tslx:MezzanineDebtInvestmentsMember 2023-12-31 0001508655 tslx:InvestmentAdvisoryAgreementMember tslx:RealizedCapitalGainsAccruedBeginningAprilFirstTwoThousandFourteenMember 2011-04-15 2011-04-15 0001508655 Equity and Other Investments Structured Credit Jefferson Mill CLO Ltd, Series 2015-1A Structured Credit ($1,000 par, due 10/2031) Initial Acquisition Date 5/23/2022 Reference Rate and Spread SOFR + 3.81% Interest Rate 9.22% 2023-12-31 0001508655 tslx:DelayedDrawAndRevolverMember tslx:PdiTaHoldingsIncMember 2024-09-30 0001508655 tslx:PrimeRevenueIncMember tslx:RevolverMember 2024-09-30 0001508655 us-gaap:CommonStockMember 2023-04-01 2023-06-30 0001508655 us-gaap:RevolvingCreditFacilityMember srt:MaximumMember 2023-12-31 0001508655 us-gaap:CommonStockMember 2022-12-31 0001508655 tslx:DelayedDrawMember tslx:SkylarkUkDebtcoLimitedMember 2023-12-31 0001508655 us-gaap:OverAllotmentOptionMember 2023-06-12 0001508655 us-gaap:NondesignatedMember 2023-12-31 0001508655 us-gaap:RevolvingCreditFacilityMember srt:MinimumMember 2024-09-30 0001508655 us-gaap:OverAllotmentOptionMember 2024-04-01 2024-04-01 0001508655 Debt Investments Oil, Gas and Consumable Fuels TRP Assets, LLC First-lien loan ($65,000 par, due 12/2025) Initial Acquisition Date 12/3/2021 Reference Rate and Spread SOFR + 7.76% Interest Rate 12.37% 2024-09-30 0001508655 Debt Investments Other Omnigo Software, LLC First-lien loan ($39,943 par, due 3/2026) Initial Acquisition Date 3/31/2021 Reference Rate and Spread SOFR + 6.60% Interest Rate 11.96% 2023-01-01 2023-12-31 0001508655 Debt Investments Healthcare BCTO Ace Purchaser, Inc. Second-lien loan ($5,623 par, due 1/2030) Initial Acquisition Date 1/23/2023 Reference Rate and Spread SOFR + 10.70% Interest Rate 16.10% 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services Passport Labs, Inc. Convertible Promissory Note A ($1,086 par, due 8/2026) Initial Acquisition Date 3/2/2023 Reference Rate and Spread 8.00% Interest Rate 8.00% 2024-01-01 2024-09-30 0001508655 Debt Investments Internet Services Lithium Technologies, LLC First-lien loan ($57,665 par, due 1/2025) Initial Acquisition Date 10/3/2017 Reference Rate and Spread SOFR + 9.00% Interest Rate 14.39% (incl. 4.50% PIK) 2023-01-01 2023-12-31 0001508655 tslx:NonControlledNonAffiliatedInvestmentsMember 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Retail and Consumer Products 2023-12-31 0001508655 Interest Rate Swap Company Receives 6.95% Company Pays SOFR + 2.99% Maturity Date 8/14/2028 2023-12-31 0001508655 Equity and Other Investments Financial Services 2024-09-30 0001508655 tslx:NonControlledNonAffiliatedInvestmentsMember 2023-07-01 2023-09-30 0001508655 Debt Investments Oil, Gas and Consumable Fuels Murchison Oil and Gas, LLC First-lien loan ($20,381 par, due 6/2026) Initial Acquisition Date 6/30/2022 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.13% 2024-09-30 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. 280,000 Series C Warrants Initial Acquisition Date 2/28/2020 2024-09-30 0001508655 tslx:SecondLienDebtInvestmentsMember 2023-01-01 2023-09-30 0001508655 Debt Investments Communications Babylon Finco Limited First-lien loan ($1,557 par, due 1/2031) Initial Acquisition Date 1/26/2024 Reference Rate and Spread SOFR + 6.25% Interest Rate 11.53% 2024-09-30 0001508655 Debt Investments Financial Services BTRS Holdings, Inc. First-lien revolving loan ($1,205 par, due 12/2028) Initial Acquisition Date 12/16/2022 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.63% 2023-01-01 2023-12-31 0001508655 Debt Investments Communications Celtra Technologies, Inc. First-lien loan ($34,038 par, due 11/2026) Initial Acquisition Date 11/19/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.71% 2023-12-31 0001508655 tslx:DelayedDrawAndRevolverMember tslx:WranglerTopcoLlcMember 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember 2024-09-30 0001508655 Equity and Other Investments Internet Services SMA Technologies Holdings, LLC Class B Units (923,250 shares) Initial Acquisition Date 11/21/2022 2024-01-01 2024-09-30 0001508655 us-gaap:RetainedEarningsMember 2023-09-30 0001508655 tslx:InterestRateSwapThreeMember 2023-01-01 2023-09-30 0001508655 Debt Investments Business Services Mitnick Corporate Purchaser, Inc First-lien loan ($327 par, due 5/2029) Initial Acquisition Date 5/2/2022 Reference Rate and Spread SOFR + 4.50% Interest Rate 9.85% 2024-01-01 2024-09-30 0001508655 Debt Investments Financial Services Alaska Bidco Oy First-lien loan (EUR 727 par, due 5/2030) Initial Acquisition Date 5/30/2023 Reference Rate and Spread E + 6.25% Interest Rate 10.39% 2023-12-31 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Series A Preferred Stock (1,667 units) Initial Acquisition Date 12/20/2023 Reference Rate and Spread SOFR+12.00% Interest Rate 16.59% 2024-09-30 0001508655 Debt Investments Human Resource Support Services bswift, LLC First-lien loan ($44,358 par, due 11/2028) Initial Acquisition Date 11/7/2022 Reference Rate and Spread SOFR + 6.63% Interest Rate 12.03% 2023-01-01 2023-12-31 0001508655 tslx:CoupaHoldingsLLCMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member srt:WeightedAverageMember tslx:SecondLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember 2024-09-30 0001508655 tslx:InterestRateSwapFiveMember 2023-01-01 2023-09-30 0001508655 Debt Investments Financial Services Passport Labs, Inc. First-lien loan ($24,995 par, due 4/2026) Initial Acquisition Date 4/28/2021 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.46% 2024-09-30 0001508655 Debt Investments Healthcare Edge Bidco B.V. First-lien loan (EUR 5,947 par, due 2/2029) Initial Acquisition Date 2/24/2023 Reference Rate and Spread E + 6.75% Interest Rate 10.10% 2024-09-30 0001508655 tslx:BCTOAcePurchaserIncMember tslx:DelayedDrawMember 2023-12-31 0001508655 Debt Investments Healthcare SL Buyer Corp. First-lien loan ($31,475 par, due 7/2029) Initial Acquisition Date 7/7/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.36% 2023-12-31 0001508655 Debt Investments Hotel, Gaming and Leisure IRGSE Holding Corp. First-lien loan ($30,261 par, due 6/2024) Initial Acquisition Date 12/21/2018 Reference Rate and Spread SOFR + 9.65% Interest Rate 15.00% 2023-01-01 2023-12-31 0001508655 tslx:AvalaraIncMember tslx:RevolverMember 2024-09-30 0001508655 us-gaap:DesignatedAsHedgingInstrumentMember us-gaap:InterestRateSwapMember 2023-01-01 2023-09-30 0001508655 Equity and Other Investments Business Services Newark FP Co-Invest, L.P. Partnership (2,527,719 units) Initial Acquisition Date 11/8/2023 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Financial Services TradingScreen, Inc. Class A Units (600,000 units) Initial Acquisition Date 5/14/2021 2023-01-01 2023-12-31 0001508655 tslx:TwoThousandTwentyFourNotesMember 2019-11-01 2019-11-30 0001508655 Equity and Other Investments Business Services Mitnick TA Aggregator, L.P. Membership Interest (0.43% ownership) Initial Acquisition Date 5/2/2022 2023-12-31 0001508655 Debt Investments Business Services Elements Finco Limited First-lien loan ($4,069 par, due 4/2031) Initial Acquisition Date 4/29/2024 Reference Rate and Spread SOFR + 4.75% Interest Rate 9.60% 2024-01-01 2024-09-30 0001508655 Debt Investments Hotel, Gaming and Leisure IRGSE Holding Corp. First-lien revolving loan ($35,332 par, due 6/2025) Initial Acquisition Date 12/21/2018 Reference Rate and Spread SOFR + 9.65% Interest Rate 14.65% 2024-01-01 2024-09-30 0001508655 Debt Investments 2024-09-30 0001508655 Debt Investments Business Services Mitnick Corporate Purchaser, Inc First-lien loan ($329 par, due 5/2029) Initial Acquisition Date 5/2/2022 Reference Rate and Spread SOFR + 4.50% Interest Rate 9.98% 2023-12-31 0001508655 tslx:SecondLienDebtInvestmentsMember 2024-01-01 2024-09-30 0001508655 tslx:DelayedDrawMember tslx:Project44IncMember 2024-09-30 0001508655 Equity and Other Investments Internet Services Lucidworks, Inc. Series F Preferred Shares (199,054 shares) Initial Acquisition Date 8/2/2019 2024-09-30 0001508655 Equity and Other Investments Hotel, Gaming and Leisure IRGSE Holding Corp. Class C-1 Units (8,800,000 units) Initial Acquisition Date 12/21/2018 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Class A-3 Units (16,957 units) Initial Acquisition Date 11/10/2023 2023-12-31 0001508655 tslx:RevolverEquityMember tslx:CrewlineBuyerIncMember 2024-09-30 0001508655 Debt Investments Communications Banyan Software Holdings, LLC First-lien loan ($29,739 par, due 10/2026) Initial Acquisition Date 1/27/2023 Reference Rate and Spread SOFR + 7.35% Interest Rate 12.71% 2023-01-01 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Tango Management Consulting, LLC First-lien loan ($57,007 par, due 12/2027) Initial Acquisition Date 12/1/2021 Reference Rate and Spread SOFR + 6.85% Interest Rate 12.20% 2023-01-01 2023-12-31 0001508655 tslx:InterestRateSwapSixMember 2023-07-01 2023-09-30 0001508655 Equity and Other Investments Financial Services TradingScreen, Inc. Class A Units (600,000 units) Initial Acquisition Date 5/14/2021 2024-01-01 2024-09-30 0001508655 us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember tslx:TwoThousandTwentyFourNotesMember 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit Voya CLO Ltd, Series 2018-3A Structured Credit ($2,750 par, due 10/2031) Initial Acquisition Date 6/22/2022 Reference Rate and Spread SOFR + 6.01% Interest Rate 11.31% 2024-09-30 0001508655 tslx:O2023Q2BaseDividendsMember 2023-05-08 0001508655 Debt Investments Business Services ReliaQuest Holdings, LLC First-lien loan ($82,626 par, due 10/2026) Initial Acquisition Date 10/8/2020 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.63% 2023-12-31 0001508655 us-gaap:AdditionalPaidInCapitalMember 2024-03-31 0001508655 tslx:InvestmentAdvisoryAgreementMember 2023-01-01 2023-09-30 0001508655 tslx:TwentyTwentyFourNotesMember 2019-11-01 2019-11-30 0001508655 tslx:EducationMember 2023-12-31 0001508655 Equity and Other Investments Pharmaceuticals TherapeuticsMD, Inc. Warrants (14,256 warrants) Initial Acquisition Date 8/5/2020 2024-09-30 0001508655 tslx:RevolvingCreditFacilityMaturityOnApril242029Member 2024-04-24 0001508655 Total Investments 2023-12-31 0001508655 tslx:FirstLienDebtInvestmentsMember 2023-07-01 2023-09-30 0001508655 Equity and Other Investments Internet Services Bayshore Intermediate #2, L.P. Co-Invest Common Units (8,837,008 units) Initial Acquisition Date 10/1/2021 2024-01-01 2024-09-30 0001508655 us-gaap:InterestRateSwapMember 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member us-gaap:MarketApproachValuationTechniqueMember us-gaap:MeasurementInputComparabilityAdjustmentMember tslx:EquityAndOtherInvestmentsMember srt:MaximumMember 2024-09-30 0001508655 Debt Investments Manufacturing ASP Unifrax Holdings, Inc. Unsecured Note ($1,059 par, due 9/2029) Initial Acquisition Date 8/31/2023 Reference Rate and Spread 7.50% Interest Rate 7.50% 2023-01-01 2023-12-31 0001508655 tslx:StructuredCreditInvestmentsMember 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services CLGF Holdco 2, LLC First-lien loan ($3,916 par, due 11/2027) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 8.50% Interest Rate 13.85% 2023-12-31 0001508655 Equity and Other Investments Structured Credit RR Ltd, Series 2020-8A Structured Credit ($1,000 par, due 4/2033) Initial Acquisition Date 8/22/2022 Reference Rate and Spread SOFR + 6.66% Interest Rate 12.06% 2023-12-31 0001508655 tslx:SecondLienDebtInvestmentsMember 2023-06-30 0001508655 Debt Investments Internet Services Bayshore Intermediate #2, L.P. First-lien loan ($39,636 par, due 10/2028) Initial Acquisition Date 10/1/2021 Reference Rate and Spread SOFR + 7.85% Interest Rate 13.13% PIK 2024-01-01 2024-09-30 0001508655 Debt Investments Hotel, Gaming and Leisure Equinox Holdings, Inc. Second-lien loan ($2,256 par, due 6/2027) Initial Acquisition Date 3/13/2024 Reference Rate and Spread 16.00% Interest Rate 16.00% PIK 2024-09-30 0001508655 country:CA 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Rapid Data GmbH Unternehmensberatung First-lien loan (EUR 4,495 par, due 7/2029) Initial Acquisition Date 7/11/2023 Reference Rate and Spread E + 6.50% Interest Rate 10.48% 2023-01-01 2023-12-31 0001508655 Debt Investments Internet Services LeanTaaS Holdings, Inc. First-lien loan ($54,116 par, due 7/2028) Initial Acquisition Date 7/12/2022 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.10% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Communications 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:EquityAndOtherInvestmentsMember 2023-01-01 2023-09-30 0001508655 tslx:TwoThousandTwentyFourNotesMember 2020-02-05 2020-02-05 0001508655 tslx:HirevueIncMember tslx:RevolverMember 2023-12-31 0001508655 tslx:DelayedDrawEquityMember tslx:ReliaQuestHoldingsLLCMember 2024-09-30 0001508655 tslx:AdministrationAgreementMember us-gaap:GeneralAndAdministrativeExpenseMember tslx:AdviserMember 2024-07-01 2024-09-30 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (EUR 7,239 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread E + 7.00% Interest Rate 10.64% 2024-01-01 2024-09-30 0001508655 tslx:FirstLienDebtInvestmentsMember 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Madison Park CLO, Series 2018-28A Structured Credit ($1,000 par, due 7/2030) Initial Acquisition Date 6/28/2022 Reference Rate and Spread SOFR + 5.51% Interest Rate 10.91% 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services Ping Identity Holding Corp. First-lien loan ($22,727 par, due 10/2029) Initial Acquisition Date 10/17/2022 Reference Rate and Spread SOFR + 6.75% Interest Rate 11.35% 2024-09-30 0001508655 Equity and Other Investments Structured Credit Wind River CLO Ltd, Series 2014-2A Structured Credit ($1,500 par, due 1/2031) Initial Acquisition Date 6/23/2022 Reference Rate and Spread SOFR + 3.16% Interest Rate 8.56% 2023-01-01 2023-12-31 0001508655 tslx:DelayedDrawMember tslx:ApellisPharmaceuticalsIncMember 2024-09-30 0001508655 Debt Investments Other Scorpio Bidco First-lien loan (EUR 2,511 par, due 4/2031) Initial Acquisition Date 4/4/2024 Reference Rate and Spread E + 5.75% Interest Rate 9.60% 2024-09-30 0001508655 us-gaap:BaseRateMember us-gaap:RevolvingCreditFacilityMember srt:MinimumMember 2024-09-30 0001508655 us-gaap:AdditionalPaidInCapitalMember 2024-09-30 0001508655 Debt Investments Financial Services Alaska Bidco Oy First-lien loan (EUR 727 par, due 5/2030) Initial Acquisition Date 5/30/2023 Reference Rate and Spread E + 6.25% Interest Rate 10.39% 2023-01-01 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Neuintel, LLC First-lien loan ($55,177 par, due 12/2026) Initial Acquisition Date 12/20/2021 Reference Rate and Spread SOFR + 7.60% Interest Rate 12.45% 2024-09-30 0001508655 Equity and Other Investments Structured Credit Magnetite CLO Ltd, Series 2021-30A Structured Credit ($1,000 par, due 10/2034) Initial Acquisition Date 6/13/2022 Reference Rate and Spread SOFR + 6.46% Interest Rate 11.84% 2023-01-01 2023-12-31 0001508655 us-gaap:DomesticCountryMember 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services Artisan Bidco,, Inc. First-lien loan ($38,112 par, due 11/2029) Initial Acquisition Date 11/7/2023 Reference Rate and SOFR + 7.00% Interest Rate 12.38% 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. Roll Up DIP term loan ($24,820 par) Initial Acquisition Date 4/24/2023 Reference Rate and Spread SOFR + 7.90% Interest Rate 12.75% PIK 2024-01-01 2024-09-30 0001508655 Debt Investments Oil, Gas and Consumable Fuels 2023-12-31 0001508655 2023-07-01 2023-09-30 0001508655 Equity and Other Investments Structured Credit Park Avenue Institutional Advisers CLO Ltd, Series 2018-1A Structured Credit ($1,000 par, due 10/2031) Initial Acquisition Date 9/23/2022 Reference Rate and Spread SOFR + 3.59% Interest Rate 9.01% 2023-01-01 2023-12-31 0001508655 us-gaap:CommonStockMember 2024-03-31 0001508655 us-gaap:FairValueInputsLevel3Member srt:WeightedAverageMember tslx:FirstLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember 2023-12-31 0001508655 tslx:MezzanineDebtInvestmentsMember 2024-09-30 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. Series C Preferred Shares (1,915,114 shares) Initial Acquisition Date 10/13/2020 2024-01-01 2024-09-30 0001508655 Controlled Affiliated Investments IRGSE Holding Corp. 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit Octagon 57 LLC, Series 2021-1A Structured Credit ($1,000 par, due 10/2034) Initial Acquisition Date 5/24/2022 Reference Rate and Spread SOFR + 6.86% Interest Rate 12.26% 2023-01-01 2023-12-31 0001508655 tslx:DelayedDrawAndRevolverMember tslx:EmploymentHeroHoldingsPtyLtdMember 2023-12-31 0001508655 Debt Investments Human Resource Support Services HireVue, Inc. First-lien loan ($53,707 par, due 5/2029) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.50% 2024-01-01 2024-09-30 0001508655 tslx:O2023Q3BaseDividendsMember 2023-08-03 2023-08-03 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember tslx:ValuationTechniqueCostOfInvestmentsMember 2024-09-30 0001508655 Debt Investments Manufacturing Aptean, Inc. First-lien loan ($8,260 par, due 1/2031) Initial Acquisition Date 1/30/2024 Reference Rate and Spread SOFR + 5.25% Interest Rate 10.10% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Pikes Peak CLO, Series 2021-9A Structured Credit ($2,000 par, due 10/2034) Initial Acquisition Date 8/31/2022 Reference Rate and Spread SOFR + 6.84% Interest Rate 12.23% 2023-01-01 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Tango Management Consulting, LLC First-lien loan ($66,249 par, due 12/2027) Initial Acquisition Date 12/1/2021 Reference Rate and Spread SOFR + 6.90% Interest Rate 12.06% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Eaton CLO Ltd, Series 2020-1A Structured Credit ($1,000 par, due 10/2034) Initial Acquisition Date 8/11/2022 Reference Rate and Spread SOFR + 6.51% Interest Rate 11.91% 2023-12-31 0001508655 Equity and Other Investments Business Services Artisan Topco LP Class A Preferred Units (2,117,264 units) Initial Acquisition Date 11/7/2023 2024-09-30 0001508655 us-gaap:InterestRateSwapMember 2023-12-31 0001508655 Debt Investments Education Destiny Solutions Parent Holding Company First-lien loan ($59,550 par, due 6/2026) Initial Acquisition Date 6/8/2021 Reference Rate and Spread SOFR + 5.85% Interest Rate 11.21% 2023-01-01 2023-12-31 0001508655 Controlled Affiliated Investments 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Wind River CLO Ltd, Series 2017-1A Structured Credit ($3,000 par, due 4/2036) Initial Acquisition Date 7/14/2022 Reference Rate and Spread SOFR + 3.98% Interest Rate 9.38% 2023-01-01 2023-12-31 0001508655 Debt Investments Healthcare Raptor US Buyer II Corp. First-lien loan ($18,179 par, due 3/2029) Initial Acquisition Date 3/24/2023 Reference Rate and Spread SOFR + 6.25% Interest Rate 11.16% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Gulf Stream Meridian, Series 2021-4A Structured Credit ($1,015 par, due 7/2034) Initial Acquisition Date 6/3/2022 Reference Rate and Spread SOFR + 6.61% Interest Rate 12.01% 2023-12-31 0001508655 Debt Investments Healthcare Edge Bidco B.V First-lien loan (EUR 3,850 par, due 2/2029) Initial Acquisition Date 2/24/2023 Reference Rate and Spread E + 7.00% Interest Rate 16.10% (incl. 3.25% PIK) 2023-12-31 0001508655 Equity and Other Investments Human Resource Support Services DaySmart Holdings, LLC Class A Units (166,811 units) Initial Acquisition Date 12/18/2020 2023-12-31 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. Series C Preferred Shares (1,816,295 shares) Initial Acquisition Date 4/8/2021 2023-12-31 0001508655 Equity and Other Investments Financial Services AF Eagle Parent, L.P. Partnership (121,329 units) Initial Acquisition Date 11/27/2023 2023-12-31 0001508655 Debt Investments Internet Services Bayshore Intermediate #2, L.P. First-lien revolving loan ($480 par, due 10/2027) Initial Acquisition Date 10/1/2021 Reference Rate and Spread SOFR + 6.60% Interest Rate 12.01% 2023-01-01 2023-12-31 0001508655 Interest Rate Swap Company Receives SOFR + 2.54% Maturity Date 11/1/2024 2024-09-30 0001508655 us-gaap:BaseRateMember us-gaap:RevolvingCreditFacilityMember srt:MaximumMember 2024-09-30 0001508655 Debt Investments Business Services USA DeBusk, LLC First-lien loan ($6,916 par, due 4/2031) Initial Acquisition Date 4/30/2024 Reference Rate and Spread SOFR + 5.25% Interest Rate 9.87% 2024-09-30 0001508655 tslx:RevolvingCreditFacilityMaturityOnApril232027Member 2024-04-24 2024-04-24 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember srt:MaximumMember 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. ABL FILO term loan ($14,065 par, due 8/2027) Initial Acquisition Date 9/2/2022 Reference Rate and Spread SOFR + 9.90% Interest Rate 15.26% 2023-12-31 0001508655 tslx:ArrowheadPharmaceuticalsIncMember tslx:DelayedDrawMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit Benefit Street Partners CLO Ltd, Series 2015-8A Structured Credit ($1,425 par, due 1/2031) Initial Acquisition Date 9/13/2022 Reference Rate and Spread SOFR + 3.01% Interest Rate 8.43% 2023-01-01 2023-12-31 0001508655 tslx:TwoThousandTwentyNineNotesMember 2024-01-08 2024-01-08 0001508655 Equity and Other Investments Oil, Gas and Consumable Fuels TRP Assets, LLC Partnership Interest (1.89% ownership) Initial Acquisition Date 8/25/2022 2023-01-01 2023-12-31 0001508655 Debt Investments Oil, Gas and Consumable Fuels Laramie Energy, LLC First-lien loan ($27,317 par, due 2/2027) Initial Acquisition Date 2/21/2023 Reference Rate and Spread SOFR + 7.10% Interest Rate 12.46% 2023-12-31 0001508655 2024-03-31 0001508655 tslx:TwoThousandTwentyNineNotesMember 2024-09-30 0001508655 Debt Investments Internet Services Coupa Holdings, LLC First-lien loan ($43,191 par, due 2/2030) Initial Acquisition Date 2/27/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.86% 2023-01-01 2023-12-31 0001508655 Debt Investments Internet Services Higher Logic, LLC First-lien loan ($52,937 par, due 1/2025) Initial Acquisition Date 6/18/2018 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.10% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Retail and Consumer Products 2024-09-30 0001508655 tslx:DelayedDrawMember tslx:BctoBluebillBuyerIncMember 2023-12-31 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. Series D Preferred Shares (1,240,740 shares) Initial Acquisition Date 5/11/2021 2023-01-01 2023-12-31 0001508655 us-gaap:RetainedEarningsMember 2023-12-31 0001508655 Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan (GBP 3,104 par, due 12/2025) Initial Acquisition Date 10/28/2021 Reference Rate and Spread S + 5.03% Interest Rate 10.22% 2023-12-31 0001508655 Debt Investments Manufacturing 2023-12-31 0001508655 country:DE 2024-09-30 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentyEightNotesMember 2024-01-01 2024-09-30 0001508655 tslx:ErlingLuxBidcoSarlMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 us-gaap:AdditionalPaidInCapitalMember 2024-04-01 2024-06-30 0001508655 Debt Investments Internet Services Bayshore Intermediate #2, L.P. First-lien loan ($36,629 par, due 10/2028) Initial Acquisition Date 10/1/2021 Reference Rate and Spread SOFR + 7.60% Interest Rate 12.96% PIK 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit Battalion CLO Ltd, Series 2021-21A Structured Credit ($1,300 par, due 7/2034) Initial Acquisition Date 7/13/2022 Reference Rate and Spread SOFR + 3.56% Interest Rate 8.96% 2023-12-31 0001508655 Debt Investments Business Services Price Fx Inc. First-lien loan (EUR 910 par, due 10/2029) Initial Acquisition Date 10/27/2023 Reference Rate and Spread E + 7.00% Interest Rate 10.69% 2024-09-30 0001508655 Debt Investments Internet Services Higher Logic, LLC First-lien loan ($52,937 par, due 1/2025) Initial Acquisition Date 6/18/2018 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.10% 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember srt:MinimumMember us-gaap:IncomeApproachValuationTechniqueMember 2023-12-31 0001508655 Debt Investments Business Services Artisan Bidco,, Inc. First-lien loan ($38,112 par, due 11/2029) Initial Acquisition Date 11/7/2023 Reference Rate and SOFR + 7.00% Interest Rate 12.38% 2023-01-01 2023-12-31 0001508655 tslx:EquityAndOtherInvestmentsMember 2024-09-30 0001508655 Debt Investments Hotel, Gaming and Leisure IRGSE Holding Corp. First-lien revolving loan ($35,332 par, due 6/2025) Initial Acquisition Date 12/21/2018 Reference Rate and Spread SOFR + 9.65% Interest Rate 14.65% 2024-09-30 0001508655 Debt Investments Financial Services Ibis Intermediate Co. First-lien loan ($1,189 par, due 5/2027) Initial Acquisition Date 5/28/2021 Reference Rate and Spread SOFR + 4.65% Interest Rate 9.71% 2024-09-30 0001508655 Equity and Other Investments Human Resource Support Services bswift, LLC Class A-1 Units (2,393,509 units) Initial Acquisition Date 11/7/2022 2023-12-31 0001508655 Debt Investments Communications Banyan Software Holdings, LLC First-lien loan ($39,486 par, due 10/2026) Initial Acquisition Date 1/27/2023 Reference Rate and Spread SOFR + 7.35% Interest Rate 12.20% 2024-09-30 0001508655 Debt Investments Business Services USA DeBusk, LLC First-lien loan ($6,916 par, due 4/2031) Initial Acquisition Date 4/30/2024 Reference Rate and Spread SOFR + 5.25% Interest Rate 9.87% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Human Resource Support Services bswift, LLC Class A-1 Units (2,393,509 units) Initial Acquisition Date 11/7/2022 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:AssetValuationWaterfallMember tslx:MezzanineDebtInvestmentsMember 2023-12-31 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien revolving loan (GBP 312 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread S + 6.75% Interest Rate 11.98% 2023-12-31 0001508655 Equity and Other Investments Structured Credit Benefit Street Partners CLO Ltd, Series 2015-BR Structured Credit ($2,500 par, due 7/2034) Initial Acquisition Date 7/13/2022 Reference Rate and Spread SOFR + 4.11% Interest Rate 9.53% 2023-01-01 2023-12-31 0001508655 Debt Investments Human Resource Support Services Elysian Finco Ltd. First-lien revolving loan (GBP 812 par, due 1/2028) Initial Acquisition Date 1/31/2021 Reference Rate and Spread S + 5.00% Interest Rate 9.95% 2024-01-01 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:EquityAndOtherInvestmentsMember 2024-01-01 2024-09-30 0001508655 Debt Investments Pharmaceuticals Apellis Pharmaceuticals, Inc. First-lienloan($19,737 par, due 5/2030) Initial Acquisition Date 5/13/2024 Reference Rate and Spread SOFR + 5.75% Interest Rate 10.35% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Internet Services Bayshore Intermediate #2, L.P. Co-Invest 2 Common Units (8,837,008 units) Initial Acquisition Date 10/1/2021 2023-12-31 0001508655 Debt Investments Business Services Acceo Solutions. Inc. First-lien loan (CAD 52,941 par, due 10/2025) Initial Acquisition Date 7/6/2018 Reference Rate and C + 4.75% Interest Rate 10.21% 2023-12-31 0001508655 Equity and Other Investments Structured Credit Carlyle Global Market Strategies CLO Ltd, Series 2014-4RA Structured Credit ($1,000 par, due 7/2030) Initial Acquisition Date 5/26/2022 Reference Rate and Spread SOFR + 3.16% Interest Rate 8.56% 2023-12-31 0001508655 Debt Investments Business Services Mitnick Corporate Purchaser, Inc First-lien loan ($327 par, due 5/2029) Initial Acquisition Date 5/2/2022 Reference Rate and Spread SOFR + 4.50% Interest Rate 9.85% 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Tango Management Consulting, LLC First-lien revolving loan ($2,346 par, due 12/2027) Initial Acquisition Date 12/1/2021 Reference Rate and Spread SOFR + 6.85% Interest Rate 12.01% 2024-01-01 2024-09-30 0001508655 tslx:NetwrixCorpMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 Equity and Other Investments Human Resource Support Services Employment Hero Holdings Pty Ltd. Series E Preferred Shares (113,250 shares) Initial Acquisition Date 3/1/2022 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Financial Services CLGF Holdings, L.P Warrants (334,682 warrants) Initial Acquisition Date 11/7/2023 2024-01-01 2024-09-30 0001508655 Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan (AUD 13,400 par, due 12/2025) Initial Acquisition Date 1/11/2018 Reference Rate and Spread B + 5.00% Interest Rate 9.36% 2023-12-31 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC 90,634 Warrants Initial Acquisition Date 12/20/2023 2024-09-30 0001508655 tslx:TwoThousandTwentySixNotesMember 2024-09-30 0001508655 Debt Investments Communications Banyan Software Holdings, LLC First-lien loan ($6,478 par, due 10/2026) Initial Acquisition Date 1/26/2024 Reference Rate and Spread SOFR + 6.25% Interest Rate 11.12% 2024-09-30 0001508655 tslx:MezzanineDebtInvestmentsMember 2023-01-01 2023-09-30 0001508655 Debt Investments Internet Services SMA Technologies Holdings, LLC First-lien loan ($36,833 par, due 10/2028) Initial Acquisition Date 10/31/2022 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.11% 2023-01-01 2023-12-31 0001508655 tslx:SouthMember 2024-09-30 0001508655 Debt Investments Financial Services CLGF Holdco 2, LLC Second-lien loan ($3,357 par, due 11/2028) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 12.00% Interest Rate 17.35% 2023-01-01 2023-12-31 0001508655 Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan ($9,514 par, due 12/2025) Initial Acquisition Date 10/28/2021 Reference Rate and Spread SOFR + 5.10% Interest Rate 9.95% 2024-01-01 2024-09-30 0001508655 Debt Investments Oil, Gas and Consumable Fuels TRP Assets, LLC First-lien loan ($65,000 par, due 12/2025) Initial Acquisition Date 12/3/2021 Reference Rate and Spread SOFR + 7.76% Interest Rate 13.11% 2023-01-01 2023-12-31 0001508655 tslx:FirstLienDebtInvestmentsMember 2023-01-01 2023-09-30 0001508655 Equity and Other Investments Structured Credit Benefit Street Partners CLO Ltd, Series 2015-BR Structured Credit ($2,500 par, due 7/2034) Initial Acquisition Date 7/13/2022 Reference Rate and Spread SOFR + 4.11% Interest Rate 9.53% 2023-12-31 0001508655 Debt Investments Retail and Consumer Products American Achievement, Corp. Subordinated note ($4,740 par, due 9/2026) Initial Acquisition Date 3/16/2021 Reference Rate and Spread SOFR + 1.15% Interest Rate 6.54% PIK 2023-01-01 2023-12-31 0001508655 Debt Investments Internet Services Arrow Buyer, Inc. First-lien loan ($33,125 par, due 7/2030) Initial Acquisition Date 6/30/2023 Reference Rate and Spread SOFR + 6.50% Interest Rate 11.85% 2023-01-01 2023-12-31 0001508655 tslx:ControlledAffiliatedInvestmentsMember 2023-07-01 2023-09-30 0001508655 tslx:MidwestMember 2023-12-31 0001508655 tslx:TwoThousandTwentyEightNotesMember 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:EquityAndOtherInvestmentsMember 2024-07-01 2024-09-30 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (EUR 7,239 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread E + 6.75% Interest Rate 10.70% 2023-01-01 2023-12-31 0001508655 tslx:AlaskaBidcoOyMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 Equity and Other Investments Structured Credit Cedar Funding CLO Ltd, Series 2018-7A Structured Credit ($1,000 par, due 1/2031) Initial Acquisition Date 7/21/2022 Reference Rate and Spread SOFR + 4.81% Interest Rate 10.23% 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member srt:MinimumMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember tslx:MezzanineDebtInvestmentsMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit Voya CLO Ltd, Series 2018-3A Structured Credit ($2,750 par, due 10/2031) Initial Acquisition Date 6/22/2022 Reference Rate and Spread SOFR + 6.01% Interest Rate 11.41% 2023-01-01 2023-12-31 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentyEightNotesMember 2023-07-01 2023-09-30 0001508655 Debt Investments Automotive 2024-09-30 0001508655 Debt Investments Business Services Alpha Midco, Inc. First-lien loan ($ 68,112 par, due 8/2025) Initial Acquisition Date 8/15/2019 Reference Rate and SOFR + 7.63% Interest Rate 12.97% 2023-12-31 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentyNineNotesMember 2024-01-01 2024-09-30 0001508655 Debt Investments Financial Services Kyriba Corp. First-lien loan (EUR 10,924 par, due 4/2028) Initial Acquisition Date 12/21/2023 Reference Rate and Spread E + 8.50% Interest Rate 12.42% (incl. 8.50% PIK) 2023-12-31 0001508655 Debt Investments Education Kangaroo Bidco AS First-lien loan ($30,625 par, due 11/2030) Initial Acquisition Date 11/2/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.29% 2024-01-01 2024-09-30 0001508655 Debt Investments Business Services Information Clearinghouse, LLC and MS Market Service, LLC First-lien loan ($17,640 par, due 12/2026) Initial Acquisition Date 12/20/2021 Reference Rate and Spread SOFR + 6.65% Interest Rate 12.02% 2023-12-31 0001508655 2024-03-05 2024-03-05 0001508655 Debt Investments Pharmaceuticals Arrowhead Pharmaceuticals, Inc. First-lien loan ($31,838 par, due 8/2031) Initial Acquisition Date 8/7/2024 Reference Rate and Spread SOFR + 15.00% Interest Rate 15.00% 2024-09-30 0001508655 us-gaap:AdditionalPaidInCapitalMember 2023-03-31 0001508655 Debt Investments Financial Services CLGF Holdco 2, LLC Second-lien loan ($3,357 par, due 11/2028) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 12.00% Interest Rate 16.60% 2024-09-30 0001508655 tslx:TwoThousandTwentySixNotesMember 2021-02-03 0001508655 country:LU 2023-12-31 0001508655 Equity and Other Investments Structured Credit Wind River CLO Ltd, Series 2014-2A Structured Credit ($1,500 par, due 1/2031) Initial Acquisition Date 6/23/2022 Reference Rate and Spread SOFR + 3.16% Interest Rate 8.56% 2023-12-31 0001508655 Debt Investments Human Resource Support Services Elysian Finco Ltd. First-lien loan ($21,289 par, due 1/2028) Initial Acquisition Date 1/31/2021 Reference Rate and Spread SOFR + 6.65% Interest Rate 11.55% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Communications Celtra Technologies, Inc. Class A Units (1,250,000 units) Initial Acquisition Date 11/19/2021 2024-01-01 2024-09-30 0001508655 country:AU 2023-12-31 0001508655 Equity and Other Investments Retail and Consumer Products Copper Bidco, LLC Trust Certificates (132,928 Certificates) Initial Acquisition Date 12/7/2020 2023-01-01 2023-12-31 0001508655 tslx:BlueSnapIncMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 Debt Investments Financial Services Ibis US Blocker Co. First-lien loan ($15,958 par, due 5/2028) Initial Acquisition Date 5/28/2021 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.79% (PIK) 2023-12-31 0001508655 Equity and Other Investments Pharmaceuticals TherapeuticsMD, Inc. Warrants (14,256 warrants) Initial Acquisition Date 8/5/2020 2023-12-31 0001508655 Equity and Other Investments Marketing Services Validity, Inc. Series A Preferred Shares (3,840,000 shares) Initial Acquisition Date 5/31/2018 2023-01-01 2023-12-31 0001508655 Debt Investments Manufacturing ASP Unifrax Holdings, Inc. Secured Note ($91 par, due 9/2028) Initial Acquisition Date 12/19/2023 Reference Rate and Spread 5.25% Interest Rate 5.25% 2023-12-31 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Class A-2 Units (2,989 units) Initial Acquisition Date 6/21/2022 2023-12-31 0001508655 Debt Investments Business Services Elements Finco Limited First-lien loan ($4,069 par, due 4/2031) Initial Acquisition Date 4/29/2024 Reference Rate and Spread SOFR + 4.75% Interest Rate 9.60% 2024-09-30 0001508655 tslx:TwentyTwentyFourNotesMember 2020-02-05 2020-02-05 0001508655 Debt Investments Internet Services Lucidworks, Inc. First-lien loan ($8,912 par, due 2/2027) Initial Acquisition Date 2/11/2022 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.86% (incl. 3.50% PIK) 2023-12-31 0001508655 tslx:MezzanineDebtInvestmentsMember 2024-01-01 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member 2024-09-30 0001508655 tslx:EMSLinqIncMember tslx:RevolverMember 2024-09-30 0001508655 tslx:InterestRateSwapSixMember 2024-01-01 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:EquityAndOtherInvestmentsMember tslx:AssetValuationWaterfallMember 2024-09-30 0001508655 Debt Investments Retail and Consumer Products American Achievement, Corp. Subordinated note ($4,740 par, due 9/2026) Initial Acquisition Date 3/16/2021 Reference Rate and Spread SOFR + 1.15% Interest Rate 6.54% PIK 2023-12-31 0001508655 Debt Investments Internet Services Piano Software, Inc. First-lien loan ($53,804 par, due 2/2026) Initial Acquisition Date 2/25/2021 Reference Rate and Spread SOFR + 7.85% Interest Rate 12.70% 2024-01-01 2024-09-30 0001508655 tslx:EquityAndOtherInvestmentsMember 2024-06-30 0001508655 tslx:O2023Q1BaseDividendsMember 2023-02-16 0001508655 Equity and Other Investments Business Services Artisan Topco LP Class A Preferred Units (2,117,264 units) Initial Acquisition Date 11/7/2023 2023-12-31 0001508655 tslx:DelayedDrawMember tslx:IbisIntermediateCoMember 2023-12-31 0001508655 tslx:TwoThousandTwentyEightNotesMember 2023-12-31 0001508655 Debt Investments Financial Services BCTO Bluebill Buyer, Inc. First-lien loan ($28,640 par, due 7/2029) Initial Acquisition Date 7/20/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.60% 2023-12-31 0001508655 tslx:RevolvingCreditFacilityMaturityOnJuneTwelveTwoThousandAndTwentyEightMember 2023-06-12 0001508655 Debt Investments Financial Services Bear OpCo, LLC First-lien loan ($21,392 par, due 10/2024) Initial Acquisition Date 10/10/2019 Reference Rate and Spread SOFR + 7.65% Interest Rate 13.01% 2023-01-01 2023-12-31 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentyFourNotesMember 2024-07-01 2024-09-30 0001508655 Debt Investments Business Services BCTO Ignition Purchaser, Inc. First-lien holdco loan ($35,086 par, due 10/2030) Initial Acquisition Date 4/18/2023 Reference Rate and Spread SOFR + 9.00% Interest Rate 14.28% PIK 2024-01-01 2024-09-30 0001508655 Debt Investments Financial Services Volante Technologies, Inc. First-lien loan ($2,604 par, due 9/2028) Initial Acquisition Date 9/29/2023 Reference Rate and Spread 16.50% Interest Rate 16.50% PIK 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:ValuationTechniqueCostOfInvestmentsMember tslx:EquityAndOtherInvestmentsMember 2023-12-31 0001508655 Debt Investments Internet Services Bayshore Intermediate #2, L.P. First-lien revolving loan ($480 par, due 10/2027) Initial Acquisition Date 10/1/2021 Reference Rate and Spread SOFR + 6.60% Interest Rate 12.01% 2023-12-31 0001508655 tslx:FirstLienDebtInvestmentsMember 2024-09-30 0001508655 tslx:AlaskaBidcoOyMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 tslx:RevolvingCreditFacilityMaturityOnFebruary42026Member 2023-06-12 0001508655 Controlled Affiliated Investments 2024-09-30 0001508655 Debt Investments Manufacturing Varinem German BidCo GMBH First-lien loan (EUR 12,696 par, due 7/2031) Initial Acquisition Date 7/11/2024 Reference Rate and Spread E + 6.00% Interest 9.67% 2024-01-01 2024-09-30 0001508655 us-gaap:DomesticCountryMember 2024-01-01 2024-09-30 0001508655 tslx:MidwestMember 2024-09-30 0001508655 Debt Investments Retail and Consumer Products American Achievement, Corp. First-lien loan ($1,344 par, due 9/2026) Initial Acquisition Date 6/10/2021 Reference Rate and Spread SOFR + 15.10% Interest Rate 20.3% (19.80%PIK) 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Education Astra 2L Holdings II LLC Membership Interest (10.17% ownership) Initial Acquisition Date 1/13/2022 2024-01-01 2024-09-30 0001508655 Debt Investments Internet Services SMA Technologies Holdings, LLC First-lien loan ($36,833 par, due 10/2028) Initial Acquisition Date 10/31/2022 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.00% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. Series C Preferred Shares (1,816,295 shares) Initial Acquisition Date 4/8/2021 2023-01-01 2023-12-31 0001508655 tslx:TwoThousandTwentyFourNotesMember 2024-01-01 2024-09-30 0001508655 us-gaap:TreasuryStockCommonMember 2024-06-30 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. 106,592 Series D Warrants Initial Acquisition Date 4/8/2021 2023-01-01 2023-12-31 0001508655 tslx:InterestRateSwapTwoMember 2024-07-01 2024-09-30 0001508655 Debt Investments Hotel, Gaming and Leisure ASG II, LLC. First-lien loan ($65,000 par, due 5/2028) Initial Acquisition Date 5/25/2022 Reference Rate and Spread SOFR + 6.40% Interest Rate 11.65% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. Series D Preferred Shares (1,598,874 shares) Initial Acquisition Date 4/8/2021 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Education EMS Linq, Inc. Class B Units (5,522,526 units) Initial Acquisition Date 12/22/2021 2023-01-01 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. ABL FILO term loan ($9,793 par, due 8/2027) Initial Acquisition Date 9/2/2022 Reference Rate and Spread SOFR + 9.90% Interest Rate 14.75% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Healthcare Merative Topco L.P. 989,691 Class A-1 Units Initial Acquisition Date 6/30/2022 2023-01-01 2023-12-31 0001508655 Interest Rate Swap Company Receives 3.875% Company Pays SOFR + 2.51% Maturity Date 11/1/2024 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Ares CLO Ltd, Series 2021-59A Structured Credit ($1,000 par, due 4/2034) Initial Acquisition Date 6/23/2022 Reference Rate and Spread SOFR + 6.51% Interest Rate 11.89% 2023-12-31 0001508655 Debt Investments Financial Services Passport Labs, Inc. First-lien loan ($24,603 par, due 4/2026) Initial Acquisition Date 4/28/2021 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.75% 2023-01-01 2023-12-31 0001508655 tslx:InvestmentAdvisoryAgreementMember 2024-07-01 2024-09-30 0001508655 Debt Investments Business Services Lynx BidCo First-lien loan ($1,400 par, due 7/2031) Initial Acquisition Date 7/5/2024 Reference Rate and Spread SOFR + 7.11% Interest Rate 12.42% (5.61% PIK) 2024-01-01 2024-09-30 0001508655 tslx:O2024Q3BaseDividendsMember 2024-07-31 2024-07-31 0001508655 Debt Investments Financial Services Kyriba Corp. First-lien loan ($38,077 par, due 4/2028) Initial Acquisition Date 12/21/2023 Reference Rate and Spread SOFR + 8.50% Interest Rate 13.10% (8.50% PIK) 2024-09-30 0001508655 Equity and Other Investments Business Services Sprinklr, Inc. Common Shares (283,499 shares) Initial Acquisition Date 6/24/2021 2024-09-30 0001508655 Debt Investments Business Services Artisan Bidco, Inc First-lien loan (EUR 17,602 par, due 11/2029) Initial Acquisition Date 11/7/2023 Reference Rate and Spread E + 7.00% Interest Rate 10.54% 2024-01-01 2024-09-30 0001508655 Debt Investments Business Services ExtraHop Networks, Inc. First-lien loan ($72,593 par, due 7/2027) Initial Acquisition Date 7/22/2021 Reference Rate and Spread SOFR + 7.60% Interest Rate 12.45% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Internet Services Piano Software, Inc. Series C-2 Preferred Shares (27,588 shares) Initial Acquisition Date 11/18/2022 2024-09-30 0001508655 Debt Investments Business Services Netwrix Corp First-lien loan ($46,126 par, due 6/2029) Initial Acquisition Date 6/9/2022 Reference Rate and Spread SOFR + 5.50% Interest Rate 10.56% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. 569,991 Warrants Initial Acquisition Date 4/2/2020 2024-09-30 0001508655 tslx:EquityAndOtherInvestmentsMember 2024-01-01 2024-09-30 0001508655 us-gaap:DesignatedAsHedgingInstrumentMember us-gaap:InterestRateSwapMember 2024-07-01 2024-09-30 0001508655 tslx:InvestmentAdvisoryAgreementMember 2023-07-01 2023-09-30 0001508655 tslx:InvestmentAdvisoryAgreementMember tslx:LeverageWaiverMember 2023-01-01 2023-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:MezzanineDebtInvestmentsMember 2024-09-30 0001508655 Debt Investments Education Destiny Solutions Parent Holding Company First-lien loan ($59,550 par, due 6/2026) Initial Acquisition Date 6/8/2021 Reference Rate and Spread SOFR + 5.85% Interest Rate 11.21% 2023-12-31 0001508655 Debt Investments Internet Services Lithium Technologies, LLC First-lien loan ($61,483 par, due 1/2025) Initial Acquisition Date 10/3/2017 Reference Rate and Spread SOFR + 9.00% Interest Rate 14.26% (incl. 4.50% PIK) 2024-01-01 2024-09-30 0001508655 tslx:Project44IncMember tslx:DelayedDrawMember 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember 2024-09-30 0001508655 tslx:OtherMember 2024-09-30 0001508655 Debt Investments Hotel, Gaming and Leisure Sports Alliance GmbH First-lien loan (EUR 4,448 par, due 4/2030) Initial Acquisition Date 4/10/2024 Reference Rate and Spread E + 7.25% Interest Rate 10.74% ( 3.88% PIK ) 2024-09-30 0001508655 tslx:HotelGamingAndLeisureMember 2023-12-31 0001508655 Equity and Other Investments Internet Services Bayshore Intermediate #2, L.P. Co-Invest 2 Common Units (8,837,008 units) Initial Acquisition Date 10/1/2021 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member srt:WeightedAverageMember us-gaap:MarketApproachValuationTechniqueMember us-gaap:MeasurementInputComparabilityAdjustmentMember tslx:EquityAndOtherInvestmentsMember 2023-12-31 0001508655 Equity and Other Investments Structured Credit KKR CLO Ltd, 49A Structured Credit ($1,000 par, due 7/2035) Initial Acquisition Date 6/2/2022 Reference Rate and Spread SOFR + 8.26% Interest Rate 13.42% 2023-01-01 2023-12-31 0001508655 tslx:KyribaCorpMember tslx:RevolverMember 2023-12-31 0001508655 Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan ($10,557 par, due 12/2025) Initial Acquisition Date 10/28/2021 Reference Rate and Spread SOFR + 5.10% Interest Rate 10.45% 2023-12-31 0001508655 Debt Investments Business Services ExtraHop Networks, Inc. First-lien loan ($72,593 par, due 7/2027) Initial Acquisition Date 7/22/2021 Reference Rate and Spread SOFR + 7.60% Interest Rate 12.45% 2024-09-30 0001508655 tslx:ManufacturingMember 2024-09-30 0001508655 Debt Investments Business Services ExtraHop Networks, Inc. First-lien loan ($66,197 par, due 7/2027) Initial Acquisition Date 7/22/2021 Reference Rate and SOFR+ 7.60% Interest Rate 12.96% 2023-01-01 2023-12-31 0001508655 tslx:TwoThousandTwentyThreeNotesMember 2018-01-31 0001508655 Debt Investments Internet Services Piano Software, Inc. First-lien loan ($50,889 par, due 2/2026) Initial Acquisition Date 2/25/2021 Reference Rate and Spread SOFR + 7.10% Interest Rate 12.45% 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember srt:MinimumMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember 2024-09-30 0001508655 tslx:InvestmentAdvisoryAgreementMember tslx:LeverageWaiverMember 2024-01-01 2024-09-30 0001508655 tslx:TwentyTwentyEightNotesMember 2024-01-01 2024-09-30 0001508655 tslx:LucidworksIncMember tslx:DelayedDrawMember 2023-12-31 0001508655 Equity and Other Investments Structured Credit Octagon Investment Partners 18 Ltd, Series 2018-18A Structured Credit ($1,000 par, due 4/2031) Initial Acquisition Date 7/26/2022 Reference Rate and Spread SOFR + 2.96% Interest Rate 8.36% 2023-12-31 0001508655 Debt Investments Office Products USR Parent, Inc. ABL FILO term loan ($17,000 par, due 4/2027) Initial Acquisition Date 4/25/2022 Reference Rate and Spread SOFR + 6.50% Interest Rate 11.84% 2023-01-01 2023-12-31 0001508655 tslx:MezzanineDebtInvestmentsMember 2023-12-31 0001508655 Equity and Other Investments Pharmaceuticals TherapeuticsMD, Inc. Warrants (14,256 warrants) Initial Acquisition Date 8/5/2020 2023-01-01 2023-12-31 0001508655 Debt Investments Human Resource Support Services PrimePay Intermediate, LLC First-lien loan ($34,112 par, due 12/2026) Initial Acquisition Date 12/17/2021 Reference Rate and Spread SOFR + 7.15% Interest Rate 12.05% 2024-01-01 2024-09-30 0001508655 tslx:DelayedDrawAndRevolverMember tslx:AlphaMidcoIncMember 2023-12-31 0001508655 tslx:TwoThousandTwentyNineNotesMember 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Financial Services Oxford Square Capital Corp. Common Shares (1,620 shares) Initial Acquisition Date 8/5/2015 2023-01-01 2023-12-31 0001508655 Debt Investments Retail and Consumer Products PDI TA Holdings, Inc. First-lien loan ($16,092 par, due 2/2031) Initial Acquisition Date 2/1/2024 Reference Rate and Spread SOFR + 5.25 Interest Rate 10.46% 2024-09-30 0001508655 Debt Investments Financial Services Fullsteam Operations LLC First-lien loan ($29,663 par, due 11/2029) Initial Acquisition Date 11/27/2023 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.78% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit MidOcean Credit CLO Ltd, Series 2018-9A Structured Credit ($1,100 par, due 7/2031) Initial Acquisition Date 6/1/2022 Reference Rate and Spread SOFR + 6.31% Interest Rate 11.73% 2023-01-01 2023-12-31 0001508655 Debt Investments Human Resource Support Services Axonify, Inc. First-lien loan ($43,702 par, due 5/2027) Initial Acquisition Date 5/5/2021 Reference Rate and Spread SOFR + 7.65% Interest Rate 12.89% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit CIFC CLO Ltd, Series 2021-4A Structured Credit ($1,000 par, due 7/2033) Initial Acquisition Date 7/14/2022 Reference Rate and Spread SOFT + 6.26% Interest Rate 11.66% 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services Price Fx Inc. First-lien loan (EUR 910 par, due 10/2029) Initial Acquisition Date 10/27/2023 Reference Rate and Spread E + 7.00% Interest Rate 10.69% 2024-01-01 2024-09-30 0001508655 Debt Investments Business Services Acceo Solutions. Inc. First-lien loan (CAD 52,941 par, due 10/2025) Initial Acquisition Date 7/6/2018 Reference Rate and C + 4.75% Interest Rate 10.21% 2023-01-01 2023-12-31 0001508655 Interest Rate Swap Company Receives 3.875% Company Pays SOFR + 2.72% Maturity Date 11/1/2024 2023-01-01 2023-12-31 0001508655 us-gaap:FinancialServicesSectorMember 2023-12-31 0001508655 Interest Rate Swap Company Receives 6.125% Company Pays SOFR + 2.44% Maturity Date 3/1/2029 2024-01-01 2024-09-30 0001508655 tslx:InvestmentAdvisoryAgreementMember tslx:LeverageWaiverMember 2023-07-01 2023-09-30 0001508655 tslx:InvestmentAdvisoryAgreementMember tslx:LeverageWaiverMember 2024-07-01 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember srt:MaximumMember 2024-09-30 0001508655 us-gaap:TreasuryStockCommonMember 2023-06-30 0001508655 tslx:DelayedDrawMember tslx:KangarooBidcoASMember 2023-12-31 0001508655 2023-01-01 2023-03-31 0001508655 tslx:SecondLienDebtInvestmentsMember 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Internet Services Bayshore Intermediate #2, L.P. Co-Invest Common Units (8,837,008 units) Initial Acquisition Date 10/1/2021 2024-09-30 0001508655 tslx:InvestorsNotOptedDividendReinvestmentPlanMember 2023-01-01 2023-09-30 0001508655 Debt Investments Healthcare BCTO Ace Purchaser, Inc. First-lien loan ($69,324 par, due 11/2027) Initial Acquisition Date 11/23/2020 Reference Rate and Spread SOFR + 7.45% Interest Rate 12.51% 2024-01-01 2024-09-30 0001508655 Debt Investments Retail and Consumer Products American Achievement, Corp. First-lien loan ($1,352 par, due 9/2026) Initial Acquisition Date 6/10/2021 Reference Rate and Spread SOFR + 14.10% Interest Rate 18.94% PIK 2023-01-01 2023-12-31 0001508655 tslx:ControlledAffiliatedInvestmentsMember 2024-07-01 2024-09-30 0001508655 Equity and Other Investments Hotel, Gaming and Leisure IRGSE Holding Corp. Class C-1 Units (8,800,000 units) Initial Acquisition Date 12/21/2018 2024-09-30 0001508655 tslx:EdgeBidcoBVMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit Ares Loan Funding I Ltd, Series 2021-ALFA, Class E Structured Credit ($1,000 par, due 10/2034) Initial Acquisition Date 6/24/2022 Reference Rate and Spread SOFR + 6.96% Interest Rate 12.36% 2023-01-01 2023-12-31 0001508655 tslx:InvestorsNotOptedDividendReinvestmentPlanMember 2024-09-30 0001508655 Debt Investments Internet Services Lithium Technologies, LLC First-lien loan ($57,665 par, due 1/2025) Initial Acquisition Date 10/3/2017 Reference Rate and Spread SOFR + 9.00% Interest Rate 14.39% (incl. 4.50% PIK) 2023-12-31 0001508655 Debt Investments Transportation Marcura Equities LTD First-lien loan ($32,007 par, due 8/2029) Initial Acquisition Date 8/11/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 11.60% 2024-01-01 2024-09-30 0001508655 country:NO 2024-09-30 0001508655 tslx:InvestorsNotOptedDividendReinvestmentPlanMember 2024-01-01 2024-09-30 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentyEightNotesMember 2024-07-01 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Belk, Inc. First-lien loan ($50,000 par, due 7/2029) Initial Acquisition Date 7/22/2024 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.28% 2024-09-30 0001508655 tslx:DelayedDrawRevolverEquityMember tslx:AzuriteIntermediateHoldingsIncMember 2024-09-30 0001508655 tslx:O2024Q1SupplementalDividendsMember 2024-02-15 2024-02-15 0001508655 country:NL 2024-09-30 0001508655 Equity and Other Investments Business Services Dye & Durham, Ltd. Common Shares (126,968 shares) Initial Acquisition Date 12/3/2021 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit Gulf Stream Meridian, Series 2021-6A Structured Credit ($2,000 par, due 1/2037) Initial Acquisition Date 9/12/2022 Reference Rate and Spread SOFR + 6.62% Interest Rate 11.93% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Financial Services Oxford Square Capital Corp. Common Shares (1,620 shares) Initial Acquisition Date 8/5/2015 2024-01-01 2024-09-30 0001508655 tslx:HeritageEnvironmentalServicesIncMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 us-gaap:CommonStockMember 2023-12-31 0001508655 tslx:BayshoreIntermediate2LPMember tslx:RevolverMember 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember srt:MaximumMember 2023-12-31 0001508655 country:FI 2024-09-30 0001508655 Debt Investments Transportation 2024-09-30 0001508655 tslx:EducationMember 2024-09-30 0001508655 tslx:ApteanIncMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 Equity and Other Investments Internet Services 2023-12-31 0001508655 tslx:FirstLienDebtInvestmentsMember 2023-06-30 0001508655 Debt Investments Business Services Artisan Bidco,, Inc. First-lien loan (Euro, 17,735 par, due 11/2029) Initial Acquisition Date 11/7/2023 Reference Rate and E + 7.00% Interest Rate 10.96% 2023-01-01 2023-12-31 0001508655 tslx:HippoXpaBidcoAbMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit American Money Management Corp CLO Ltd, Series 2016-18A Structured Credit ($1,500 par, due 5/2031) Initial Acquisition Date 6/22/2022 Reference Rate and Spread SOFR + 3.31% Interest Rate 8.70% 2023-12-31 0001508655 Debt Investments Internet Services EDB Parent, LLC First-lien loan ($63,508 par, due 7/2028) Initial Acquisition Date 7/7/2022 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.10% 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services Ibis Intermediate Co. First-lien loan ($1,201 par, due 5/2027) Initial Acquisition Date 5/28/2021 Reference Rate and Spread SOFR + 4.65% Interest Rate 10.04% 2023-12-31 0001508655 Debt Investments Hotel, Gaming and Leisure Sports Alliance GmbH First-lien loan (EUR 4,448 par, due 4/2030) Initial Acquisition Date 4/10/2024 Reference Rate and Spread E + 7.25% Interest Rate 10.74% ( 3.88% PIK ) 2024-01-01 2024-09-30 0001508655 us-gaap:AdditionalPaidInCapitalMember 2023-12-31 0001508655 2024-07-01 2024-09-30 0001508655 tslx:DelayedDrawAndRevolverMember tslx:RapidDataGmbhUnternehmensberatungMember 2023-12-31 0001508655 tslx:PingIdentityCorporationMember tslx:RevolverMember 2023-12-31 0001508655 Interest Rate Swap Company Receives 6.95% Company Pays SOFR + 2.99% Maturity Date 8/14/2028 2024-09-30 0001508655 Debt Investments Business Services Galileo Parent, Inc. First-lien revolving loan ($3,317 par, due 5/2029) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.60% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Pharmaceuticals TherapeuticsMD, Inc. Warrants (14,256 warrants) Initial Acquisition Date 8/5/2020 2024-01-01 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember 2023-12-31 0001508655 2024-09-30 0001508655 Debt Investments Communications Celtra Technologies, Inc. First-lien loan ($34,038 par, due 11/2026) Initial Acquisition Date 11/19/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.71% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. Series D Preferred Shares (1,240,740 shares) Initial Acquisition Date 5/11/2021 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Oil, Gas and Consumable Fuels 2024-09-30 0001508655 Debt Investments Healthcare 2024-09-30 0001508655 tslx:InterestRateSwapThreeMember 2023-07-01 2023-09-30 0001508655 tslx:NonControlledNonAffiliatedInvestmentsMember 2024-07-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Carlyle Global Market Strategies CLO Ltd, Series 2018-1A Structured Credit ($1,550 par, due 4/2031) Initial Acquisition Date 8/11/2020 Reference Rate and Spread SOFR + 6.01% Interest Rate 11.42% 2023-12-31 0001508655 Debt Investments Communications Celtra Technologies, Inc. First-lien loan ($26,612 par, due 11/2026) Initial Acquisition Date 11/19/2021 Reference Rate and Spread SOFR + 5.75% Interest Rate 11.00% 2024-09-30 0001508655 tslx:TwoThousandTwentyThreeTwentyFourTwentySixTwentyeightAndTwentyNineNotesMember 2024-07-01 2024-09-30 0001508655 Debt Investments Other 2024-09-30 0001508655 Equity and Other Investments Internet Services Piano Software, Inc. Series C-1 Preferred Shares (418,527 shares) Initial Acquisition Date 12/22/2021 2024-01-01 2024-09-30 0001508655 Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan ($9,514 par, due 12/2025) Initial Acquisition Date 10/28/2021 Reference Rate and Spread SOFR + 5.10% Interest Rate 9.95% 2024-09-30 0001508655 Debt Investments Financial Services Volante Technologies, Inc. First-lien loan ($2,604 par, due 9/2028) Initial Acquisition Date 9/29/2023 Reference Rate and Spread 16.50% Interest Rate 16.50% PIK 2023-12-31 0001508655 us-gaap:RetainedEarningsMember 2024-01-01 2024-03-31 0001508655 Debt Investments Business Services 2023-12-31 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. Series D Preferred Shares (1,598,874 shares) Initial Acquisition Date 4/8/2021 2024-01-01 2024-09-30 0001508655 Debt Investments Internet Services Bayshore Intermediate #2, L.P. First-lien loan ($39,636 par, due 10/2028) Initial Acquisition Date 10/1/2021 Reference Rate and Spread SOFR + 7.85% Interest Rate 13.13% PIK 2024-09-30 0001508655 tslx:HornetsecurityHoldingGmbhMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 tslx:RevolvingCreditFacilityMaturityOnJuneTwelveTwoThousandAndTwentyEightMember 2023-06-12 2023-06-12 0001508655 tslx:TransportationMember 2023-12-31 0001508655 country:NL 2023-12-31 0001508655 Debt Investments Education Astra Acquisition Corp. Second-lien loan ($43,479 par, due 10/2029) Initial Acquisition Date 10/22/2021 Reference Rate and Spread SOFR + 9.14% Interest Rate 14.48% 2023-01-01 2023-12-31 0001508655 Debt Investments Hotel, Gaming and Leisure Equinox Holdings, Inc. First-lien loan ($49,073 par, due 3/2029) Initial Acquisition Date 3/8/2024 Reference Rate and Spread SOFR + 8.25% Interest Rate 12.85% (4.13% PIK) 2024-01-01 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. Roll Up DIP term loan ($24,820 par) Initial Acquisition Date 4/24/2023 Reference Rate and Spread SOFR + 7.90% Interest Rate 12.75% PIK 2024-09-30 0001508655 tslx:RaptorUsBuyerIiCorpMember tslx:RevolverMember 2024-09-30 0001508655 Debt Investments Education Astra Acquisition Corp. Second-lien loan ($40,302 par, due 10/2029) Initial Acquisition Date 10/22/2021 Reference Rate and Spread SOFR + 9.14% Interest Rate 13.74% 2024-09-30 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. 280,000 Series C Warrants Initial Acquisition Date 2/28/2020 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Class A-2 Units (2,989 units) Initial Acquisition Date 6/21/2022 2024-09-30 0001508655 tslx:SecondLienDebtInvestmentsMember 2023-12-31 0001508655 Debt Investments Internet Services Lucidworks, Inc. First-lien loan ($9,345 par, due 2/2027) Initial Acquisition Date 2/11/2022 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.35% (3.50% PIK) 2024-01-01 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Neuintel, LLC First-lien loan ($55,177 par, due 12/2026) Initial Acquisition Date 12/20/2021 Reference Rate and Spread SOFR + 7.60% Interest Rate 12.45% 2024-01-01 2024-09-30 0001508655 Debt Investments Communications Banyan Software Holdings, LLC First-lien loan ($6,478 par, due 10/2026) Initial Acquisition Date 1/26/2024 Reference Rate and Spread SOFR + 6.25% Interest Rate 11.12% 2024-01-01 2024-09-30 0001508655 Controlled Affiliated Investments IRGSE Holding Corp. 2022-12-31 0001508655 2024-06-30 0001508655 Debt Investments Financial Services Ibis US Blocker Co. First-lien loan ($15,958 par, due 5/2028) Initial Acquisition Date 5/28/2021 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.79% (PIK) 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Retail and Consumer Products Copper Bidco, LLC Trust Certificates (996,958 Certificates) Initial Acquisition Date 1/30/2021 2024-01-01 2024-09-30 0001508655 tslx:FirstLienDebtInvestmentsMember 2023-12-31 0001508655 Equity and Other Investments Structured Credit CIFC CLO Ltd, Series 2018-3A Structured Credit ($1,000 par, due 7/2031) Initial Acquisition Date 6/16/2022 Reference Rate and Spread SOFR + 5.76% Interest Rate 11.16% 2023-01-01 2023-12-31 0001508655 tslx:RevolvingCreditFacilityMaturityOnFebruary42026Member 2024-04-24 2024-04-24 0001508655 us-gaap:FairValueInputsLevel3Member us-gaap:MarketApproachValuationTechniqueMember us-gaap:MeasurementInputComparabilityAdjustmentMember tslx:EquityAndOtherInvestmentsMember srt:MaximumMember 2023-12-31 0001508655 Equity and Other Investments Structured Credit Cedar Funding CLO Ltd, Series 2018-7A Structured Credit ($1,000 par, due 1/2031) Initial Acquisition Date 7/21/2022 Reference Rate and Spread SOFR + 4.81% Interest Rate 10.09% 2024-01-01 2024-09-30 0001508655 tslx:InternetServicesMember 2023-12-31 0001508655 tslx:TwoThousandTwentyThreeNotesMember 2018-01-01 2018-01-31 0001508655 Equity and Other Investments Retail and Consumer Products Neuintel, LLC Class A Units (1,176,494 units) Initial Acquisition Date 12/20/2021 2024-09-30 0001508655 Debt Investments Internet Services EDB Parent, LLC First-lien loan ($68,123 par, due 7/2028) Initial Acquisition Date 7/7/2022 Reference Rate and Spread SOFR + 6.75% Interest Rate 11.81% 2024-01-01 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember 2023-01-01 2023-09-30 0001508655 us-gaap:NondesignatedMember 2024-09-30 0001508655 tslx:MezzanineDebtInvestmentsMember 2024-06-30 0001508655 Equity and Other Investments 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Acosta First-lien loan ($13,000 par, due 8/2031) Initial Acquisition Date 8/20/2024 Reference Rate and Spread SOFR + 5.60% Interest Rate 10.73% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Carlyle Global Market Strategies CLO Ltd, Series 2014-4RA Structured Credit ($1,000 par, due 7/2030) Initial Acquisition Date 5/26/2022 Reference Rate and Spread SOFR + 3.16% Interest Rate 8.56% 2023-01-01 2023-12-31 0001508655 Debt Investments Manufacturing ASP Unifrax Holdings, Inc. Secured Note ($91 par, due 9/2028) Initial Acquisition Date 12/19/2023 Reference Rate and Spread 5.25% Interest Rate 5.25% 2023-01-01 2023-12-31 0001508655 tslx:DelayedDrawAndRevolverMember tslx:BtrsHoldingIncMember 2023-12-31 0001508655 Debt Investments Business Services ForeScout Technologies, Inc. First-lien loan ($5,611 par, due 5/2030) Initial Acquisition Date 5/24/2024 Reference Rate and Spread SOFR + 5.00% Interest Rate 10.07% 2024-09-30 0001508655 Debt Investments Financial Services Fullsteam Operations LLC First-lien loan ($38,680 par, due 11/2029) Initial Acquisition Date 11/27/2023 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.46% 2024-09-30 0001508655 Debt Investments Education EMS Linq, Inc. First-lien loan ($56,216 par, due 12/2027) Initial Acquisition Date 12/22/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.71% 2023-12-31 0001508655 Equity and Other Investments Business Services 2024-09-30 0001508655 Equity and Other Investments Internet Services SMA Technologies Holdings, LLC Class B Units (923,250 shares) Initial Acquisition Date 11/21/2022 2023-01-01 2023-12-31 0001508655 us-gaap:CommonStockMember 2023-06-30 0001508655 tslx:BlueSnapIncMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 Debt Investments Hotel, Gaming and Leisure ASG II, LLC. First-lien loan ($65,000 par, due 5/2028) Initial Acquisition Date 5/25/2022 Reference Rate and Spread SOFR + 6.40% Interest Rate 11.65% 2024-09-30 0001508655 tslx:EquityAndOtherInvestmentsMember 2023-12-31 0001508655 tslx:InvestmentAdvisoryAgreementMember tslx:FutureRealizedCapitalGainsPriorToAprilFirstTwoThousandFourteenMember 2020-03-31 0001508655 tslx:ChemicalsMember 2024-09-30 0001508655 us-gaap:AdditionalPaidInCapitalMember 2024-06-30 0001508655 Equity and Other Investments Retail and Consumer Products American Achievement, Corp. Class A Units (687 units) Initial Acquisition Date 3/16/2021 2024-09-30 0001508655 Debt Investments Financial Services Volante Technologies, Inc. First-lien loan ($2,948 par, due 9/2028) Initial Acquisition Date 9/29/2023 Reference Rate and Spread 16.50% Interest Rate 16.50% PIK 2024-09-30 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentySixNotesMember 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Communications Celtra Technologies, Inc. Class A Units (1,250,000 units) Initial Acquisition Date 11/19/2021 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services 2024-09-30 0001508655 Debt Investments Education Astra Acquisition Corp. Second-lien loan ($43,479 par, due 10/2029) Initial Acquisition Date 10/22/2021 Reference Rate and Spread SOFR + 9.14% Interest Rate 14.48% 2023-12-31 0001508655 us-gaap:DomesticCountryMember 2023-12-31 0001508655 Equity and Other Investments Retail and Consumer Products American Achievement, Corp. Class A Units (687 units) Initial Acquisition Date 3/16/2021 2024-01-01 2024-09-30 0001508655 Debt Investments Human Resource Support Services bswift, LLC First-lien loan ($44,358 par, due 11/2028) Initial Acquisition Date 11/7/2022 Reference Rate and Spread SOFR + 6.63% Interest Rate 12.03% 2023-12-31 0001508655 Interest Rate Swap Company Pays SOFR + 2.17% Maturity Date 8/1/2026 2023-12-31 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentySixNotesMember 2023-01-01 2023-09-30 0001508655 us-gaap:HealthcareSectorMember 2023-12-31 0001508655 Debt Investments Business Services Wrangler TopCo, LLC First-lien loan ($4,153 par, due 7/2029) Initial Acquisition Date 7/7/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.88% 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel2Member tslx:FirstLienDebtInvestmentsMember 2024-09-30 0001508655 Equity and Other Investments Human Resource Support Services Axonify, Inc. Class A-1 Units (3,780,000 units) Initial Acquisition Date 5/5/2021 2024-01-01 2024-09-30 0001508655 tslx:ScorpioBidcoMember tslx:DelayedDrawMember 2024-09-30 0001508655 Debt Investments Financial Services Volante Technologies, Inc. First-lien loan ($2,948 par, due 9/2028) Initial Acquisition Date 9/29/2023 Reference Rate and Spread 16.50% Interest Rate 16.50% PIK 2024-01-01 2024-09-30 0001508655 Debt Investments Other Omnigo Software, LLC First-lien loan ($39,943 par, due 3/2026) Initial Acquisition Date 3/31/2021 Reference Rate and Spread SOFR + 6.60% Interest Rate 11.96% 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember 2023-01-01 2023-09-30 0001508655 Interest Rate Swap, Cash collateral 2024-09-30 0001508655 Equity and Other Investments Business Services Dye & Durham, Ltd. Common Shares (126,968 shares) Initial Acquisition Date 12/3/2021 2024-01-01 2024-09-30 0001508655 tslx:SecondLienDebtInvestmentsMember 2023-01-01 2023-12-31 0001508655 Debt Investments Office Products USR Parent, Inc. ABL FILO term loan ($15,500 par, due 4/2027) Initial Acquisition Date 4/25/2022 Reference Rate and Spread SOFR + 6.50% Interest Rate 11.70% 2024-09-30 0001508655 tslx:RetailAndConsumerProductsMember 2023-12-31 0001508655 Debt Investments Manufacturing Heritage Environmental Services, Inc. First-lien loan ($12,315 par, due 1/2031) Initial Acquisition Date 1/31/2024 Reference Rate and Spread SOFR + 5.50% Interest Rate 10.75% 2024-09-30 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentyFourNotesMember 2024-01-01 2024-09-30 0001508655 Debt Investments Healthcare Homecare Software Solutions, LLC First-lien loan ($65,000 par, due 10/2026) Initial Acquisition Date 10/6/2021 Reference Rate and Spread SOFR + 5.70% Interest Rate 11.06% 2023-12-31 0001508655 Debt Investments Financial Services Kyriba Corp. First-lien loan (EUR 10,924 par, due 4/2028) Initial Acquisition Date 12/21/2023 Reference Rate and Spread E + 8.50% Interest Rate 12.42% (incl. 8.50% PIK) 2023-01-01 2023-12-31 0001508655 Debt Investments Real Estate Cirrus (BidCo) Limited First-lien loan (GBP 667 par, due 8/2030) Initial Acquisition Date 8/9/2024 Reference Rate and Spread SOFR + 6.25% Interest Rate 11.20% (3.00% PIK) 2024-09-30 0001508655 Debt Investments Retail and Consumer Products American Achievement, Corp. Subordinated note ($4,740 par, due 9/2026) Initial Acquisition Date 3/16/2021 Reference Rate and Spread SOFR + 1.15% Interest Rate 6.48% PIK 2024-09-30 0001508655 tslx:DelayedDrawMember tslx:BearOpCoLLCMember 2024-09-30 0001508655 tslx:RevolvingCreditFacilityMaturityOnApril242029Member 2024-04-24 2024-04-24 0001508655 tslx:DelayedDrawAndRevolverMember tslx:MeritSoftwareFinanceHoldingsLlcMember 2024-09-30 0001508655 Debt Investments Business Services OutSystems Luxco SARL First-lien loan (EUR 3,004 par, due 12/2028) Initial Acquisition Date 12/8/2022 Reference Rate and Spread E + 5.75% Interest Rate 9.59% 2023-01-01 2023-12-31 0001508655 Debt Investments Healthcare Merative L.P. First-lien loan ($70,103 par, due 6/2028) Initial Acquisition Date 6/30/2022 Reference Rate Spread SOFR + 7.25% Interest Rate 12.60% 2023-01-01 2023-12-31 0001508655 tslx:DyeDurhamCorpMember tslx:RevolverMember 2023-12-31 0001508655 tslx:ErlingLuxBidcoSarlMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 Debt Investments Retail and Consumer Products American Achievement, Corp. First-lien loan ($26,911 par, due 9/2026) Initial Acquisition Date 9/30/2015 Reference Rate and Spread SOFR + 7.35% Interest Rate 12.55% (12.05%PIK) 2024-01-01 2024-09-30 0001508655 us-gaap:RetainedEarningsMember 2024-06-30 0001508655 Debt Investments Manufacturing Heritage Environmental Services, Inc. First-lien loan ($1,329 par, due 1/2031) Initial Acquisition Date 1/31/2034 Reference Rate and Spread SOFR 5.00% Interest Rate 9.64% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Eaton CLO Ltd, Series 2015-1A Structured Credit ($2,500 par, due 1/2030) Initial Acquisition Date 6/23/2022 Reference Rate and Spread SOFR + 2.76% Interest Rate 8.18% 2023-01-01 2023-12-31 0001508655 us-gaap:TreasuryStockCommonMember 2023-03-31 0001508655 Debt Investments Manufacturing Skylark UK DebtCo Limited First-lien loan (EUR 4,851 par, due 9/2030) Initial Acquisition Date 9/7/2023 Reference Rate and Spread E + 5.75% Interest Rate 9.10% 2024-09-30 0001508655 Interest Rate Swap Company Receives SOFR + 2.54% Maturity Date 11/1/2024 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Financial Services TradingScreen, Inc. Class A Units (600,000 units) Initial Acquisition Date 5/14/2021 2024-09-30 0001508655 tslx:TwoThousandTwentyThreeTwentyFourTwentySixTwentyeightAndTwentyNineNotesMember 2023-07-01 2023-09-30 0001508655 tslx:DelayedDrawMember tslx:IbisIntermediateCoMember 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member srt:WeightedAverageMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember tslx:MezzanineDebtInvestmentsMember 2024-09-30 0001508655 Debt Investments Human Resource Support Services Employment Hero Holdings Pty Ltd. First-lien loan (AUD 50,000 par, due 12/2026) Initial Acquisition Date 12/6/2021 Reference Rate and Spread B + 6.25% Interest Rate 10.67% 2023-12-31 0001508655 tslx:OilGasAndConsumableFuelsMember 2023-12-31 0001508655 tslx:ManufacturingMember 2023-12-31 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (GBP 15,192 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread S + 7.00% Interest Rate 11.95% 2024-01-01 2024-09-30 0001508655 Debt Investments Manufacturing ASP Unifrax Holdings, Inc. First-lien loan ($1,130 par, due 12/2025) Initial Acquisition Date 8/25/2023 Reference Rate and Spread SOFR + 3.90% Interest Rate 9.25% 2023-12-31 0001508655 Equity and Other Investments Structured Credit Dryden Senior Loan Fund, Series 2020-86A Structured Credit ($1,500 par, due 7/2034) Initial Acquisition Date 8/17/2022 Reference Rate and Spread SOFR + 6.76% Interest Rate 12.05% 2024-01-01 2024-09-30 0001508655 Debt Investments Internet Services CrunchTime Information, Systems, Inc. First-lien loan ($59,049 par, due 6/2028) Initial Acquisition Date 6/17/2022 Reference Rate and Spread SOFR + 5.75% Interest Rate 10.81% 2024-09-30 0001508655 Debt Investments Internet Services Hippo XPA Bidco AB First-lien loan (SEK 79,513 par, due 2/2031) Initial Acquisition Date 2/20/2024 Reference Rate and Spread STIBOR + 6.50% Interest Rate 9.92% (3.50% PIK) 2024-01-01 2024-09-30 0001508655 tslx:DelayedDrawAndRevolverMember tslx:AlphaMidcoIncMember 2024-09-30 0001508655 tslx:MezzanineDebtInvestmentsMember 2024-07-01 2024-09-30 0001508655 tslx:ControlledAffiliatedInvestmentsMember 2023-12-31 0001508655 Equity and Other Investments Business Services Dye & Durham, Ltd. Common Shares (126,968 shares) Initial Acquisition Date 12/3/2021 2023-12-31 0001508655 Debt Investments Human Resource Support Services Madcap Software, Inc. First-lien loan ($32,256 par, due 12/2026) Initial Acquisition Date 12/15/2023 Reference Rate and Spread SOFR + 6.10% Interest Rate 10.35% 2024-01-01 2024-09-30 0001508655 Debt Investments Business Services Hornetsecurity Holding GmbH First-lien loan (EUR 3,150 par, due 11/2029) Initial Acquisition Date 11/14/2022 Reference Rate and Spread E + 6.50% Interest Rate 10.50% 2023-01-01 2023-12-31 0001508655 tslx:FirstLienDebtInvestmentsMember 2024-06-30 0001508655 tslx:TwoThousandTwentyFourNotesMember 2023-12-31 0001508655 Debt Investments Financial Services BTRS Holdings, Inc. First-lien loan ($47,051 par, due 12/2028) Initial Acquisition Date 12/16/2022 Reference Rate and Spread SOFR + 8.00% Interest Rate 13.38% 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services ForeScout Technologies, Inc. First-lien loan ($5,476 par, due 8/2026) Initial Acquisition Date 7/1/2022 Reference Rate and SOFR+ 8.10% Interest Rate 13.45% 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services Dye & Durham Corp. First-lien loan (CAD 37,874 par, due 12/2027) Initial Acquisition Date 12/3/2021 Reference Rate and C+ 5.75% Interest Rate 11.20% 2023-12-31 0001508655 Equity and Other Investments Structured Credit 2023-12-31 0001508655 Debt Investments Internet Services Arrow Buyer, Inc. First-lien loan ($35,032 par, due 7/2030) Initial Acquisition Date 6/30/2023 Reference Rate and Spread SOFR + 5.75% Interest Rate 10.35% 2024-09-30 0001508655 Equity and Other Investments Communications Celtra Technologies, Inc. Class A Units (1,250,000 units) Initial Acquisition Date 11/19/2021 2023-12-31 0001508655 tslx:TwoThousandTwentyFourNotesMember 2024-09-30 0001508655 Equity and Other Investments Financial Services AF Eagle Parent, L.P. Partnership (121,329 units) Initial Acquisition Date 11/27/2023 2024-01-01 2024-09-30 0001508655 us-gaap:FinancialServicesSectorMember 2024-09-30 0001508655 tslx:ElectronicsMember 2024-09-30 0001508655 Debt Investments Financial Services Passport Labs, Inc. Convertible Promissory Note A ($1,086 par, due 8/2026) Initial Acquisition Date 3/2/2023 Reference Rate and Spread 8.00% Interest Rate 8.00% 2023-12-31 0001508655 Debt Investments Financial Services Kyriba Corp. First-lien loan (EUR 11,672 par, due 4/2028) Initial Acquisition Date 12/21/2023 Reference Rate and Spread E + 8.50% Interest Rate 11.85 (8.50% PIK) 2024-01-01 2024-09-30 0001508655 Debt Investments Hotel, Gaming and Leisure IRGSE Holding Corp. First-lien loan ($30,261 par, due 6/2024) Initial Acquisition Date 12/21/2018 Reference Rate and Spread SOFR + 9.65% Interest Rate 15.00% 2023-12-31 0001508655 Debt Investments Manufacturing ASP Unifrax Holdings, Inc. First-lien loan (EUR 1,023 par, due 12/2025) Initial Acquisition Date 9/14/2023 Reference Rate and Spread E + 3.75% Interest Rate 7.68% 2023-12-31 0001508655 Equity and Other Investments Healthcare Raptor US Buyer II Corp. 20,268 Ordinary Shares Initial Acquisition Date 3/24/2023 2023-01-01 2023-12-31 0001508655 tslx:DiscoParentIncMember tslx:RevolverMember 2024-09-30 0001508655 tslx:ArtisanBidcoIncMember tslx:RevolverMember 2023-12-31 0001508655 Equity and Other Investments Financial Services Passport Labs, Inc. 17,534 Warrants Initial Acquisition Date 4/28/2021 2024-01-01 2024-09-30 0001508655 Debt Investments Manufacturing Varinem German BidCo GMBH First-lien loan (EUR 12,696 par, due 7/2031) Initial Acquisition Date 7/11/2024 Reference Rate and Spread E + 6.00% Interest 9.67% 2024-09-30 0001508655 Equity and Other Investments Internet Services Bayshore Intermediate #2, L.P. Co-Invest Common Units (8,837,008 units) Initial Acquisition Date 10/1/2021 2023-01-01 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. Roll Up DIP term loan ($25,931 par, due 9/2024) Initial Acquisition Date 4/24/2023 Reference Rate and Spread SOFR + 7.90% Interest Rate 13.26% (incl. 13.26% PIK) 2023-12-31 0001508655 tslx:O2024Q1BaseDividendsMember 2024-02-15 2024-02-15 0001508655 Debt Investments Healthcare Raptor US Buyer II Corp. First-lien loan ($15,569 par, due 3/2029) Initial Acquisition Date 3/24/2023 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.10% 2023-01-01 2023-12-31 0001508655 us-gaap:AdditionalPaidInCapitalMember 2023-07-01 2023-09-30 0001508655 Debt Investments Communications Babylon Finco Limited First-lien loan ($1,557 par, due 1/2031) Initial Acquisition Date 1/26/2024 Reference Rate and Spread SOFR + 6.25% Interest Rate 11.53% 2024-01-01 2024-09-30 0001508655 Debt Investments Hotel, Gaming and Leisure IRGSE Holding Corp. First-lien loan ($30,261 par, due 6/2025) Initial Acquisition Date 12/21/2018 Reference Rate and Spread SOFR + 9.65% Interest Rate 14.26% 2024-01-01 2024-09-30 0001508655 Debt Investments Business Services OutSystems Luxco SARL First-lien loan (EUR 3,004 par, due 12/2028) Initial Acquisition Date 12/8/2022 Reference Rate and Spread E + 5.75% Interest Rate 9.13% 2024-01-01 2024-09-30 0001508655 Debt Investments Manufacturing ASP Unifrax Holdings, Inc. First-lien loan ($1,130 par, due 12/2025) Initial Acquisition Date 8/25/2023 Reference Rate and Spread SOFR + 3.90% Interest Rate 9.25% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. 633,376 Warrants Initial Acquisition Date 9/21/2018 2024-09-30 0001508655 us-gaap:CommonStockMember 2024-04-01 2024-06-30 0001508655 2022-12-31 0001508655 Debt Investments Business Services Galileo Parent, Inc. First-lien revolving loan ($6,923 par, due 5/2030) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 11.87% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Oil, Gas and Consumable Fuels TRP Assets, LLC Partnership Interest (1.89% ownership) Initial Acquisition Date 8/25/2022 2024-01-01 2024-09-30 0001508655 tslx:O2023Q3SupplementalDividendsMember 2023-08-03 0001508655 Equity and Other Investments Financial Services 2023-12-31 0001508655 Debt Investments Manufacturing Aptean, Inc. First-lien loan ($8,260 par, due 1/2031) Initial Acquisition Date 1/30/2024 Reference Rate and Spread SOFR + 5.25% Interest Rate 10.10% 2024-09-30 0001508655 Debt Investments Financial Services TradingScreen, Inc. First-lien loan ($49,823 par, due 4/2027) Initial Acquisition Date 4/30/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.60% 2024-01-01 2024-09-30 0001508655 us-gaap:CommonStockMember 2023-07-01 2023-09-30 0001508655 Debt Investments Retail and Consumer Products American Achievement, Corp. First-lien loan ($1,344 par, due 9/2026) Initial Acquisition Date 6/10/2021 Reference Rate and Spread SOFR + 15.10% Interest Rate 20.3% (19.80%PIK) 2024-09-30 0001508655 Equity and Other Investments Marketing Services Validity, Inc. Series A Preferred Shares (3,840,000 shares) Initial Acquisition Date 5/31/2018 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:MezzanineDebtInvestmentsMember 2024-07-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Crown Point CLO Ltd, Series 2021-10A Structured Credit ($1,000 par, due 7/2034) Initial Acquisition Date 6/14/2022 Reference Rate and Spread SOFR + 7.11% Interest Rate 12.53% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Education 2024-09-30 0001508655 tslx:TwoThousandTwentyFourNotesMember 2019-11-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:BlackScholesModelMember tslx:EquityAndOtherInvestmentsMember 2023-12-31 0001508655 country:DE 2023-12-31 0001508655 tslx:O2023Q3BaseDividendsMember 2023-08-03 0001508655 Debt Investments Financial Services CLGF Holdco 2, LLC First-lien loan ($3,916 par, due 11/2027) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 8.50% Interest Rate 13.10% 2024-01-01 2024-09-30 0001508655 tslx:DelayedDrawMember tslx:VarinemGermanBidcoGmbhMember 2024-09-30 0001508655 tslx:RevolvingCreditFacilityMaturityOnFebruary42026Member 2024-04-24 0001508655 Debt Investments Retail and Consumer Products Neuintel, LLC First-lien loan ($57,701 par, due 12/2026) Initial Acquisition Date 12/20/2021 Reference Rate and Spread SOFR + 7.65% Interest Rate 13.03% 2023-12-31 0001508655 Debt Investments Transportation Marcura Equities LTD First-lien loan ($32,007 par, due 8/2029) Initial Acquisition Date 8/11/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.18% 2023-01-01 2023-12-31 0001508655 tslx:SecondLienDebtInvestmentsMember us-gaap:FairValueInputsLevel2Member 2024-09-30 0001508655 Equity and Other Investments Internet Services Piano Software, Inc. Series C-1 Preferred Shares (418,527 shares) Initial Acquisition Date 12/22/2021 2023-12-31 0001508655 tslx:InterestRateSwapThreeMember 2024-01-01 2024-09-30 0001508655 us-gaap:RevolvingCreditFacilityMember 2023-06-12 0001508655 Equity and Other Investments Communications Celtra Technologies, Inc. Class A Units (1,250,000 units) Initial Acquisition Date 11/19/2021 2024-09-30 0001508655 tslx:ChemicalsMember 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Cordance Operations, LLC First-lien loan ($56,014 par, due 7/2028) Initial Acquisition Date 7/25/2022 Reference Rate and Spread SOFR + 9.25% Interest Rate 13.55% 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Rapid Data GmbH Unternehmensberatun First-lien loan (Eur 4,495 par, due 7/2029) Initial Acquisition Date 7/11/2023 Reference Rate and Spread E + 6.50% Interest Rate 9.96% 2024-01-01 2024-09-30 0001508655 Controlled Affiliated Investments 2022-12-31 0001508655 tslx:EquityAndOtherInvestmentsMember 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Human Resource Support Services Employment Hero Holdings Pty Ltd. Series E Preferred Shares (113,250 shares) Initial Acquisition Date 3/1/2022 2023-12-31 0001508655 Equity and Other Investments Oil, Gas and Consumable Fuels TRP Assets, LLC Partnership Interest (1.89% ownership) Initial Acquisition Date 8/25/2022 2023-12-31 0001508655 tslx:HirevueIncMember tslx:RevolverMember 2024-09-30 0001508655 Debt Investments Business Services Galileo Parent, Inc. First-lien revolving loan ($3,317 par, due 5/2029) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.60% 2023-12-31 0001508655 us-gaap:CommonStockMember 2023-03-31 0001508655 us-gaap:FairValueInputsLevel3Member us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember tslx:MezzanineDebtInvestmentsMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit Octagon 57 LLC, Series 2021-1A Structured Credit ($1,000 par, due 10/2034) Initial Acquisition Date 5/24/2022 Reference Rate and Spread SOFR + 6.86% Interest Rate 12.26% 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember 2023-12-31 0001508655 tslx:DelayedDrawMember tslx:ShiftmoveGmbhMember 2024-09-30 0001508655 Debt Investments Education Destiny Solutions Parent Holding Company First-lien loan ($59,100 par, due 6/2026) Initial Acquisition Date 6/8/2021 Reference Rate and Spread SOFR + 5.60% Interest Rate 10.45% 2024-01-01 2024-09-30 0001508655 Debt Investments Pharmaceuticals Arrowhead Pharmaceuticals, Inc. First-lien loan ($31,838 par, due 8/2031) Initial Acquisition Date 8/7/2024 Reference Rate and Spread SOFR + 15.00% Interest Rate 15.00% 2024-01-01 2024-09-30 0001508655 Debt Investments Hotel, Gaming and Leisure IRGSE Holding Corp. First-lien loan ($30,261 par, due 6/2025) Initial Acquisition Date 12/21/2018 Reference Rate and Spread SOFR + 9.65% Interest Rate 14.26% 2024-09-30 0001508655 Debt Investments Human Resource Support Services Elysian Finco Ltd. First-lien revolving loan (GBP 812 par, due 1/2028) Initial Acquisition Date 1/31/2021 Reference Rate and Spread S + 5.00% Interest Rate 9.95% 2024-09-30 0001508655 Equity and Other Investments Healthcare Merative Topco L.P. 989,691 Class A-1 Units Initial Acquisition Date 6/30/2022 2024-09-30 0001508655 Debt Investments Business Services Crewline Buyer, Inc. First-lien loan ($56,324 par, due 11/2030) Initial Acquisition Date 11/8/2023 Reference Rate and Spread SOFR + 6.75% Interest Rate 11.35% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Financial Services CLGF Holdco 2, LLC 334,682 Warrants Initial Acquisition Date 11/7/2023 2023-01-01 2023-12-31 0001508655 tslx:FirstLienDebtInvestmentsMember 2024-01-01 2024-09-30 0001508655 tslx:DelayedDrawAndRevolverMember tslx:EmploymentHeroHoldingsPtyLtdMember 2024-09-30 0001508655 Debt Investments Human Resource Support Services Axonify, Inc. First-lien loan ($43,702 par, due 5/2027) Initial Acquisition Date 5/5/2021 Reference Rate and Spread SOFR + 7.65% Interest Rate 12.89% 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember tslx:AssetValuationWaterfallMember 2023-12-31 0001508655 tslx:WestMember 2023-12-31 0001508655 tslx:O2023Q2SupplementalDividendsMember 2023-05-08 2023-05-08 0001508655 tslx:SecondLienDebtInvestmentsMember 2023-12-31 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. Series D Preferred Shares (1,598,874 shares) Initial Acquisition Date 4/8/2021 2024-09-30 0001508655 us-gaap:CommonStockMember 2024-03-05 0001508655 tslx:InterestRateSwapSixMember 2023-01-01 2023-09-30 0001508655 Debt Investments Manufacturing Skylark UK DebtCo Limited First-lien loan ($16,340 par, due 9/2030) Initial Acquisition Date 9/7/2023 Reference Rate and Spread SOFR + 6.25% Interest Rate 11.60% 2023-01-01 2023-12-31 0001508655 tslx:O2023Q2BaseDividendsMember 2023-05-08 2023-05-08 0001508655 Debt Investments Business Services Wrangler TopCo, LLC First-lien loan ($5,498 par, due 9/2029) Initial Acquisition Date 7/7/2023 Reference Rate and Spread SOFR + 6.00% Interest Rate 10.92% 2024-09-30 0001508655 us-gaap:TreasuryStockCommonMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit Wind River CLO Ltd, Series 2018-3A Structured Credit ($2,000 par, due 1/2031) Initial Acquisition Date 12/12/2022 Reference Rate and Spread SOFR + 5.91% Interest Rate 11.33% 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services Information Clearinghouse, LLC and MS Market Service, LLC First-lien loan ($17,640 par, due 12/2026) Initial Acquisition Date 12/20/2021 Reference Rate and Spread SOFR + 6.65% Interest Rate 12.02% 2023-01-01 2023-12-31 0001508655 us-gaap:CommonStockMember 2023-05-15 0001508655 Debt Investments Oil, Gas and Consumable Fuels Laramie Energy, LLC First-lien loan ($27,317 par, due 2/2027) Initial Acquisition Date 2/21/2023 Reference Rate and Spread SOFR + 7.10% Interest Rate 11.95% 2024-09-30 0001508655 Equity and Other Investments Structured Credit CarVal CLO III Ltd, Series 2019-2A Structured Credit ($1,000 par, due 7/2032) Initial Acquisition Date 6/30/2022 Reference Rate and Spread SOFR + 6.70% Interest Rate 12.11% 2023-12-31 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentyFourNotesMember 2023-01-01 2023-09-30 0001508655 Equity and Other Investments Structured Credit CarVal CLO III Ltd, Series 2019-2A Structured Credit ($1,000 par, due 7/2032) Initial Acquisition Date 6/30/2022 Reference Rate and Spread SOFR + 6.70% Interest Rate 12.11% 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services Ibis Intermediate Co. First-lien loan ($1,189 par, due 5/2027) Initial Acquisition Date 5/28/2021 Reference Rate and Spread SOFR + 4.65% Interest Rate 9.71% 2024-01-01 2024-09-30 0001508655 Interest Rate Swap Company Pays 3.875% Maturity Date 11/1/2024 2024-09-30 0001508655 Debt Investments Business Services Dye & Durham Corp. First-lien loan ($957 par, due 4/2031) Initial Acquisition Date 4/4/2024 Reference Rate and Spread SOFR + 4.35% Interest Rate 8.95% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Healthcare Merative Topco L.P. 989,691 Class A-1 Units Initial Acquisition Date 6/30/2022 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember 2023-07-01 2023-09-30 0001508655 Debt Investments Internet Services Coupa Holdings, LLC First-lien loan ($43,191 par, due 2/2030) Initial Acquisition Date 2/27/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.86% 2023-12-31 0001508655 Equity and Other Investments Business Services Insight Hideaway Aggregator, L.P. Partnership Interest (329,861 units) Initial Acquisition Date 3/19/2024 2024-01-01 2024-09-30 0001508655 Debt Investments Healthcare Raptor US Buyer II Corp. First-lien loan ($15,569 par, due 3/2029) Initial Acquisition Date 3/24/2023 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.10% 2023-12-31 0001508655 Debt Investments Business Services Price Fx Inc. First-lien loan (EUR 910 par, due 10/2029) Initial Acquisition Date 10/27/2023 Reference Rate and Spread E + 7.00% Interest Rate 10.94% 2023-01-01 2023-12-31 0001508655 tslx:AmericanAchievementCorpMember tslx:RevolverMember 2024-09-30 0001508655 Debt Investments Oil, Gas and Consumable Fuels Laramie Energy, LLC First-lien loan ($27,317 par, due 2/2027) Initial Acquisition Date 2/21/2023 Reference Rate and Spread SOFR + 7.10% Interest Rate 12.46% 2023-01-01 2023-12-31 0001508655 Debt Investments Education Kangaroo Bidco AS First-lien loan ($30,625 par, due 11/2030) Initial Acquisition Date 11/2/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.29% 2024-09-30 0001508655 Debt Investments Manufacturing Heritage Environmental Services, Inc. First-lien loan ($1,329 par, due 1/2031) Initial Acquisition Date 1/31/2034 Reference Rate and Spread SOFR 5.00% Interest Rate 9.64% 2024-09-30 0001508655 tslx:DelayedDrawMember tslx:ElementsFincoLimitedMember 2024-09-30 0001508655 Debt Investments Internet Services CrunchTime Information, Systems, Inc. First-lien loan ($59,500 par, due 6/2028) Initial Acquisition Date 6/17/2022 Reference Rate and Spread SOFR + 6.00% Interest Rate 11.36% 2023-12-31 0001508655 us-gaap:UnfundedLoanCommitmentMember 2024-09-30 0001508655 Interest Rate Swap Company Pays SOFR + 2.44% Maturity Date 3/1/2029 2024-09-30 0001508655 Equity and Other Investments Structured Credit Carlyle Global Market Strategies CLO Ltd, Series 2016-1, Ltd Structured Credit ($1,600 par, due 4/2034) Initial Acquisition Date 2/15/2023 Reference Rate and Spread SOFR + 6.86% Interest Rate 12.28% 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services Galileo Parent, Inc. First-lien loan ($64,255 par, due 5/2030) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 11.85% 2024-01-01 2024-09-30 0001508655 tslx:SecondLienDebtInvestmentsMember 2023-07-01 2023-09-30 0001508655 tslx:FirstLienDebtInvestmentsMember 2024-01-01 2024-09-30 0001508655 tslx:InsuranceMember 2023-12-31 0001508655 Interest Rate Swap Company Receives 3.875% Company Pays SOFR + 2.72% Maturity Date 11/1/2024 2024-09-30 0001508655 Interest Rate Swap Pays 3.875% Maturity Date 11/1/2024 2023-12-31 0001508655 us-gaap:CommonStockMember 2023-01-01 2023-03-31 0001508655 tslx:O2024Q1BaseDividendsMember 2024-02-15 0001508655 tslx:LeantaasHoldingsIncMember tslx:DelayedDrawMember 2023-12-31 0001508655 Equity and Other Investments Hotel, Gaming and Leisure IRGSE Holding Corp. Class A Units (33,790,171 units) Initial Acquisition Date 12/21/2018 2023-12-31 0001508655 Debt Investments Internet Services Hippo XPA Bidco AB First-lien loan (SEK 79,513 par, due 2/2031) Initial Acquisition Date 2/20/2024 Reference Rate and Spread STIBOR + 6.50% Interest Rate 9.92% (3.50% PIK) 2024-09-30 0001508655 tslx:EquityAndOtherInvestmentsMember 2023-01-01 2023-12-31 0001508655 Debt Investments Hotel, Gaming and Leisure IRGSE Holding Corp. First-lien revolving loan ($27,622 par, due 6/2024) Initial Acquisition Date 12/21/2018 Reference Rate and Spread SOFR + 9.65% Interest Rate 15.03% 2023-12-31 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien revolving loan (GBP 312 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread S + 7.00% Interest Rate 11.95% 2024-01-01 2024-09-30 0001508655 country:CA 2024-09-30 0001508655 tslx:InterestRateSwapFiveMember 2024-01-01 2024-09-30 0001508655 2023-09-30 0001508655 Debt Investments Transportation Project44, Inc. First-lien loan ($35,139 par, due 11/2027) Initial Acquisition Date 11/12/2021 Reference Rate and Spread SOFR + 6.40% Interest Rate 11.78% 2023-01-01 2023-12-31 0001508655 Debt Investments Oil, Gas and Consumable Fuels Laramie Energy, LLC First-lien loan ($27,317 par, due 2/2027) Initial Acquisition Date 2/21/2023 Reference Rate and Spread SOFR + 7.10% Interest Rate 11.95% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Retail and Consumer Products Copper Bidco, LLC Trust Certificates (996,958 Certificates) Initial Acquisition Date 1/30/2021 2023-01-01 2023-12-31 0001508655 tslx:TwoThousandTwentySixNotesMember 2023-12-31 0001508655 Debt Investments Business Services ForeScout Technologies, Inc. First-lien loan ($5,476 par, due 8/2026) Initial Acquisition Date 7/1/2022 Reference Rate and SOFR+ 8.10% Interest Rate 13.45% 2023-12-31 0001508655 Controlled Affiliated Investments IRGSE Holding Corp. 2023-12-31 0001508655 Equity and Other Investments Internet Services Lucidworks, Inc. Series F Preferred Shares (199,054 shares) Initial Acquisition Date 8/2/2019 2023-12-31 0001508655 Equity and Other Investments Structured Credit RR Ltd, Series 2020-8A Structured Credit ($1,000 par, due 4/2033) Initial Acquisition Date 8/22/2022 Reference Rate and Spread SOFR + 6.66% Interest Rate 12.06% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Hotel, Gaming and Leisure 2024-09-30 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. 106,592 Series D Warrants Initial Acquisition Date 4/8/2021 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:MezzanineDebtInvestmentsMember 2023-12-31 0001508655 Debt Investments Retail and Consumer Products American Achievement, Corp. Subordinated note ($4,740 par, due 9/2026) Initial Acquisition Date 3/16/2021 Reference Rate and Spread SOFR + 1.15% Interest Rate 6.48% PIK 2024-01-01 2024-09-30 0001508655 Interest Rate Swap Company Receives 3.875% Company SOFR + 2.51% Maturity Date 11/1/2024 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services Passport Labs, Inc. Convertible Promissory Note A ($1,086 par, due 8/2026) Initial Acquisition Date 3/2/2023 Reference Rate and Spread 8.00% Interest Rate 8.00% 2023-01-01 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Cordance Operations, LLC First-lien loan ($49,543 par, due 7/2028) Initial Acquisition Date 7/25/2022 Reference Rate and Spread SOFR + 9.25% Interest Rate 14.66% 2023-01-01 2023-12-31 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien revolving loan (GBP 312 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread S + 7.00% Interest Rate 11.95% 2024-09-30 0001508655 Equity and Other Investments Business Services Newark FP Co-Invest, L.P. Partnership (2,527,719 units) Initial Acquisition Date 11/8/2023 2023-12-31 0001508655 us-gaap:FairValueInputsLevel1Member 2023-12-31 0001508655 Equity and Other Investments Financial Services CLGF Holdco 2, LLC 334,682 Warrants Initial Acquisition Date 11/7/2023 2023-12-31 0001508655 Debt Investments Transportation Marcura Equities LTD First-lien loan ($32,007 par, due 8/2029) Initial Acquisition Date 8/11/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 11.60% 2024-09-30 0001508655 tslx:FullsteamOperationsLlcMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 us-gaap:RetainedEarningsMember 2023-04-01 2023-06-30 0001508655 Debt Investments Retail and Consumer Products Neuintel, LLC First-lien loan ($57,701 par, due 12/2026) Initial Acquisition Date 12/20/2021 Reference Rate and Spread SOFR + 7.65% Interest Rate 13.03% 2023-01-01 2023-12-31 0001508655 Debt Investments Other Scorpio Bidco First-lien loan (EUR 2,511 par, due 4/2031) Initial Acquisition Date 4/4/2024 Reference Rate and Spread E + 5.75% Interest Rate 9.60% 2024-01-01 2024-09-30 0001508655 tslx:BusinessServicesMember 2023-12-31 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. 633,376 Warrants Initial Acquisition Date 9/21/2018 2023-01-01 2023-12-31 0001508655 Debt Investments Transportation Ben Nevis Midco Limited First-lien loan ($3,635 par, due 3/2028) Initial Acquisition Date 3/26/2024 Reference Rate and Spread SOFR + 5.50% Interest Rate 10.42% 2024-09-30 0001508655 Debt Investments Human Resource Support Services Axonify, Inc. First-lien loan ($41,607 par, due 5/2027) Initial Acquisition Date 5/5/2021 Reference Rate and Spread SOFR + 7.65% Interest Rate 13.04% 2023-12-31 0001508655 Debt Investments Human Resource Support Services PayScale Holdings, Inc. First-lien loan ($70,648 par, due 5/2027) Initial Acquisition Date 5/3/2019 Reference Rate and Spread SOFR + 5.85% Interest Rate 10.45% 2024-09-30 0001508655 tslx:GalileoParentincMember tslx:RevolverMember 2024-09-30 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. 569,991 Warrants Initial Acquisition Date 4/2/2020 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember 2024-07-01 2024-09-30 0001508655 Equity and Other Investments Human Resource Support Services bswift, LLC Class A-1 Units (2,393,509 units) Initial Acquisition Date 11/7/2022 2024-01-01 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember 2024-07-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit 2024-09-30 0001508655 Debt Investments Internet Services Lucidworks, Inc. First-lien loan ($9,345 par, due 2/2027) Initial Acquisition Date 2/11/2022 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.35% (3.50% PIK) 2024-09-30 0001508655 Debt Investments Retail and Consumer Products PDI TA Holdings, Inc. First-lien loan ($16,092 par, due 2/2031) Initial Acquisition Date 2/1/2024 Reference Rate and Spread SOFR + 5.25 Interest Rate 10.46% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Financial Services Passport Labs, Inc. 17,534 Warrants Initial Acquisition Date 4/28/2021 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. 106,592 Series D Warrants Initial Acquisition Date 4/8/2021 2023-12-31 0001508655 tslx:MezzanineDebtInvestmentsMember 2023-06-30 0001508655 Equity and Other Investments Financial Services Newport Parent Holdings, L.P. Class A-2 Units (131,569 units) Initial Acquisition Date 12/10/2020 2024-01-01 2024-09-30 0001508655 tslx:MezzanineDebtInvestmentsMember 2023-07-01 2023-09-30 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentyFourNotesMember 2023-07-01 2023-09-30 0001508655 Debt Investments Oil, Gas and Consumable Fuels 2024-09-30 0001508655 tslx:EquityAndOtherInvestmentsMember 2023-06-30 0001508655 Hedge Accounting Swaps 2024-09-30 0001508655 Debt Investments Financial Services PrimeRevenue, Inc. First-lien loan ($9,007 par, due 12/2024) Initial Acquisition Date 12/31/2018 Reference Rate and Spread SOFR + 7.10% Interest Rate 12.46% 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services Mitnick Corporate Purchaser, Inc First-lien loan ($329 par, due 5/2029) Initial Acquisition Date 5/2/2022 Reference Rate and Spread SOFR + 4.50% Interest Rate 9.98% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit Voya CLO Ltd, Series 2018-3A Structured Credit ($2,750 par, due 10/2031) Initial Acquisition Date 6/22/2022 Reference Rate and Spread SOFR + 6.01% Interest Rate 11.41% 2023-12-31 0001508655 Equity and Other Investments Financial Services CLGF Holdings, L.P Warrants (334,682 warrants) Initial Acquisition Date 11/7/2023 2024-09-30 0001508655 Debt Investments Human Resource Support Services PrimePay Intermediate, LLC First-lien loan ($34,375 par, due 12/2026) Initial Acquisition Date 12/17/2021 Reference Rate and Spread SOFR + 7.15% Interest Rate 12.54% 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember 2023-07-01 2023-09-30 0001508655 Equity and Other Investments Marketing Services Validity, Inc. Series A Preferred Shares (3,840,000 shares) Initial Acquisition Date 5/31/2018 2024-09-30 0001508655 Equity and Other Investments Structured Credit Carlyle Global Market Strategies CLO Ltd, Series 2016-1, Ltd Structured Credit ($1,600 par, due 4/2034) Initial Acquisition Date 2/15/2023 Reference Rate and Spread SOFR + 6.86% Interest Rate 12.28% 2023-12-31 0001508655 Debt Investments Financial Services Kyriba Corp. First-lien loan ($35,634 par, due 4/2028) Initial Acquisition Date 12/21/2023 Reference Rate and Spread SOFR + 8.50% Interest Rate 13.87% (incl. 8.50% PIK) 2023-01-01 2023-12-31 0001508655 us-gaap:InterestRateSwapMember tslx:TwoThousandTwentySixNotesMember 2023-07-01 2023-09-30 0001508655 Equity and Other Investments Healthcare Merative Topco L.P. 989,691 Class A-1 Units Initial Acquisition Date 6/30/2022 2024-01-01 2024-09-30 0001508655 Debt Investments Transportation Project44, Inc. First-lien loan ($35,007 par, due 11/2027) Initial Acquisition Date 11/12/2021 Reference Rate and Spread SOFR + 6.40% Interest Rate 11.52% 2024-09-30 0001508655 tslx:DelayedDrawMember tslx:BearOpCoLLCMember 2023-12-31 0001508655 tslx:EdgeBidcoBVMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 Debt Investments Financial Services BTRS Holdings, Inc. First-lien revolving loan ($1,807 par, due 12/2028) Initial Acquisition Date 12/16/2022 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.31% 2024-01-01 2024-09-30 0001508655 Interest Rate Swap Company Receives 3.875% Company SOFR + 2.51% Maturity Date 11/1/2024 2023-12-31 0001508655 country:GB 2023-12-31 0001508655 us-gaap:InterestRateSwapMember us-gaap:NondesignatedMember 2023-07-01 2023-09-30 0001508655 2023-03-31 0001508655 tslx:TwoThousandTwentyNineNotesMember 2024-01-08 0001508655 tslx:ControlledAffiliatedInvestmentsMember 2024-09-30 0001508655 Debt Investments Financial Services GreenShoot BidCo B.V First-lien loan (EUR 5,107 par, due 5/2030) Initial Acquisition Date 5/28/2024 Reference Rate and Spread E + 5.75% Interest Rate 9.27% 2024-09-30 0001508655 tslx:InvestmentAdvisoryAgreementMember tslx:CapitalGainsAccrueFollowingMarchThirtyFirstTwoThousandFourteenMember 2011-04-15 2011-04-15 0001508655 Equity and Other Investments Internet Services SMA Technologies Holdings, LLC Class A Units (1,300 shares) Initial Acquisition Date 11/21/2022 2024-09-30 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Class A-3 Units (16,957 units) Initial Acquisition Date 11/10/2023 2024-01-01 2024-09-30 0001508655 Interest Rate Swap Company Pays SOFR + 2.99% Maturity Date 8/14/2028 2023-12-31 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Class A-1 Units (637,713 units) Initial Acquisition Date 11/23/2021 2024-01-01 2024-09-30 0001508655 us-gaap:InvestmentAffiliatedIssuerControlledMember 2024-01-01 2024-09-30 0001508655 tslx:AxonifyIncMember tslx:DelayedDrawMember 2023-12-31 0001508655 tslx:HumanResourceSupportServicesMember 2024-09-30 0001508655 Equity and Other Investments Internet Services 2024-09-30 0001508655 Debt Investments Communications IntelePeer Holdings, Inc. First-lien loan ($33,646 par, due 12/2024) Initial Acquisition Date 12/2/2019 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.75% 2023-12-31 0001508655 Debt Investments Financial Services Ping Identity Holding Corp. First-lien loan ($22,727 par, due 10/2029) Initial Acquisition Date 10/17/2022 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.36% 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member 2023-12-31 0001508655 Equity and Other Investments Structured Credit Southwick Park CLO Ltd, Series 2019-4A Structured Credit ($1,000 par, due 7/2032) Initial Acquisition Date 5/25/2022 Reference Rate and Spread SOFR + 6.51% Interest Rate 11.93% 2023-01-01 2023-12-31 0001508655 Debt Investments Healthcare Merative L.P. First-lien loan ($70,103 par, due 6/2028) Initial Acquisition Date 6/30/2022 Reference Rate and Spread SOFR + 7.25% Interest Rate 11.86% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Education 2023-12-31 0001508655 Debt Investments Financial Services Ibis US Blocker Co. First-lien loan ($17,688 par, due 5/2028) Initial Acquisition Date 5/28/2021 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.46% PIK) 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit MidOcean Credit CLO Ltd, Series 2016-6A Structured Credit ($3,500 par, due 4/2033) Initial Acquisition Date 5/23/2022 Reference Rate and Spread SOFR + 3.78% Interest Rate 9.20% 2023-12-31 0001508655 Debt Investments Human Resource Support Services Elysian Finco Ltd. First-lien loan ($21,289 par, due 1/2028) Initial Acquisition Date 1/31/2021 Reference Rate and Spread SOFR + 6.65% Interest Rate 11.55% 2024-09-30 0001508655 Debt Investments Electronics Saphire Borrower Buyer, Inc. First-lien loan ($26,757 par, due 9/2031) Initial Acquisition Date 9/30/2024 Reference Rate and Spread SOFR + 5.00% Interest Rate 9.25% 2024-09-30 0001508655 Debt Investments Manufacturing ASP Unifrax Holdings, Inc. Second-lien loan ($1,993 par, due 9/2029) Initial Acquisition Date 8/31/2023 Reference Rate and spread 7.10% Interest Rate 7.10% (1.25% PIK) 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. Super-Priority DIP term loan ($4,739 par, due 9/2024) Initial Acquisition Date 4/24/2023 Reference Rate and Spread SOFR + 7.90% Interest Rate 13.26% 2023-12-31 0001508655 Debt Investments Internet Services Arrow Buyer, Inc. First-lien loan ($35,032 par, due 7/2030) Initial Acquisition Date 6/30/2023 Reference Rate and Spread SOFR + 5.75% Interest Rate 10.35% 2024-01-01 2024-09-30 0001508655 us-gaap:OverAllotmentOptionMember 2023-06-12 2023-06-12 0001508655 tslx:DelayedDrawAndRevolverMember tslx:ForeScoutTechnologiesIncMember 2023-12-31 0001508655 Equity and Other Investments Education EMS Linq, Inc. Class B Units (5,522,526 units) Initial Acquisition Date 12/22/2021 2024-09-30 0001508655 tslx:DelayedDrawEquityMember tslx:ReliaQuestHoldingsLLCMember 2023-12-31 0001508655 tslx:DelayedDrawMember tslx:AsgIiLlcMember 2024-09-30 0001508655 Equity and Other Investments Internet Services Piano Software, Inc. Series C-1 Preferred Shares (418,527 shares) Initial Acquisition Date 12/22/2021 2023-01-01 2023-12-31 0001508655 Debt Investments Human Resource Support Services HireVue, Inc. First-lien loan ($54,113 par, due 5/2029) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.63% 2023-01-01 2023-12-31 0001508655 Debt Investments Manufacturing Heritage Environmental Services, Inc. First-lien loan ($12,315 par, due 1/2031) Initial Acquisition Date 1/31/2024 Reference Rate and Spread SOFR + 5.50% Interest Rate 10.75% 2024-01-01 2024-09-30 0001508655 tslx:EquityAndOtherInvestmentsMember 2024-07-01 2024-09-30 0001508655 Equity and Other Investments Retail and Consumer Products American Achievement, Corp. Class A Units (687 units) Initial Acquisition Date 3/16/2021 2023-01-01 2023-12-31 0001508655 tslx:NonControlledNonAffiliatedInvestmentsMember 2023-12-31 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (EUR 7,239 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread E + 6.75% Interest Rate 10.70% 2023-12-31 0001508655 country:GB 2024-09-30 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (NOK 7,426 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread N + 7.00% Interest Rate 11.77% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Education RMCF IV CIV XXXV, LP. Partnership Interest (11.94% ownership) Initial Acquisition Date 6/8/2021 2024-01-01 2024-09-30 0001508655 Debt Investments Business Services ExtraHop Networks, Inc. First-lien loan ($66,197 par, due 7/2027) Initial Acquisition Date 7/22/2021 Reference Rate and SOFR+ 7.60% Interest Rate 12.96% 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Acosta First-lien loan ($13,000 par, due 8/2031) Initial Acquisition Date 8/20/2024 Reference Rate and Spread SOFR + 5.60% Interest Rate 10.73% 2024-09-30 0001508655 Equity and Other Investments Internet Services SMA Technologies Holdings, LLC Class B Units (923,250 shares) Initial Acquisition Date 11/21/2022 2023-12-31 0001508655 tslx:DelayedDrawMember tslx:LaramieEnergyLLCMember 2023-12-31 0001508655 us-gaap:HealthcareSectorMember 2024-09-30 0001508655 tslx:TruckLiteCoLlcMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 tslx:InvestorsNotOptedDividendReinvestmentPlanMember 2023-09-30 0001508655 us-gaap:RetainedEarningsMember 2023-07-01 2023-09-30 0001508655 tslx:O2024Q3SupplementalDividendsMember 2024-07-31 2024-07-31 0001508655 Debt Investments Business Services Artisan Bidco,, Inc. First-lien loan (Euro, 17,735 par, due 11/2029) Initial Acquisition Date 11/7/2023 Reference Rate and E + 7.00% Interest Rate 10.96% 2023-12-31 0001508655 tslx:NetwrixCorpMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 Debt Investments Transportation Marcura Equities LTD First-lien revolving loan ($1,667 par, due 8/2029) Initial Acquisition Date 8/11/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 11.60% 2024-09-30 0001508655 tslx:DelayedDrawMember tslx:KangarooBidcoASMember 2024-09-30 0001508655 tslx:NonControlledNonAffiliatedInvestmentsMember 2023-01-01 2023-09-30 0001508655 tslx:DelayedDrawMember tslx:AsgIiLlcMember 2023-12-31 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Class A-2 Units (2,989 units) Initial Acquisition Date 6/21/2022 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Business Services Artisan Topco LP Class A Preferred Units (2,117,264 units) Initial Acquisition Date 11/7/2023 2024-01-01 2024-09-30 0001508655 tslx:TwoThousandTwentyEightNotesMember 2024-09-30 0001508655 2023-06-30 0001508655 Equity and Other Investments Oil, Gas and Consumable Fuels TRP Assets, LLC Partnership Interest (1.89% ownership) Initial Acquisition Date 8/25/2022 2024-09-30 0001508655 tslx:ArtisanBidcoIncMember tslx:RevolverMember 2024-09-30 0001508655 Debt Investments Business Services OutSystems Luxco SARL First-lien loan (EUR 3,004 par, due 12/2028) Initial Acquisition Date 12/8/2022 Reference Rate and Spread E + 5.75% Interest Rate 9.59% 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember 2023-12-31 0001508655 tslx:TwoThousandTwentyThreeTwentyFourTwentySixTwentyeightAndTwentyNineNotesMember 2024-01-01 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember tslx:AssetValuationWaterfallMember 2024-09-30 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (GBP 15,192 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread S + 7.00% Interest Rate 11.95% 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member srt:WeightedAverageMember tslx:SecondLienDebtInvestmentsMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember 2023-12-31 0001508655 Debt Investments Financial Services Alaska Bidco Oy First-lien loan (EUR 727 par, due 5/2030) Initial Acquisition Date 5/30/2023 Reference Rate and Spread E + 5.75% Interest Rate 9.10% 2024-09-30 0001508655 Debt Investments Oil, Gas and Consumable Fuels TRP Assets, LLC First-lien loan ($65,000 par, due 12/2025) Initial Acquisition Date 12/3/2021 Reference Rate and Spread SOFR + 7.76% Interest Rate 13.11% 2023-12-31 0001508655 tslx:ExtraHopNetworksIncMember tslx:DelayedDrawAndRevolverMember 2023-12-31 0001508655 Equity and Other Investments Structured Credit Carlyle Global Market Strategies CLO Ltd, Series 2018-1A Structured Credit ($1,550 par, due 4/2031) Initial Acquisition Date 8/11/2020 Reference Rate and Spread SOFR + 6.01% Interest Rate 11.42% 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Financial Services Newport Parent Holdings, L.P. Class A-2 Units (131,569 units) Initial Acquisition Date 12/10/2020 2024-09-30 0001508655 country:LU 2024-09-30 0001508655 Debt Investments Education Kangaroo Bidco AS First-lien loan ($25,582 par, due 11/2030) Initial Acquisition Date 11/2/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.94% 2023-12-31 0001508655 tslx:TwentyTwentyThreeNotesMember 2024-01-01 2024-09-30 0001508655 us-gaap:AdditionalPaidInCapitalMember 2024-01-01 2024-03-31 0001508655 us-gaap:FairValueInputsLevel3Member us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember tslx:MezzanineDebtInvestmentsMember 2023-12-31 0001508655 Equity and Other Investments Structured Credit Gulf Stream Meridian, Series 2021-4A Structured Credit ($1,015 par, due 7/2034) Initial Acquisition Date 6/3/2022 Reference Rate and Spread SOFR + 6.61% Interest Rate 12.01% 2023-01-01 2023-12-31 0001508655 tslx:MezzanineDebtInvestmentsMember 2024-01-01 2024-09-30 0001508655 tslx:LucidworksIncMember tslx:DelayedDrawMember 2024-09-30 0001508655 tslx:TwoThousandTwentyFourNotesMember 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Retail and Consumer Products Neuintel, LLC Class A Units (1,176,494 units) Initial Acquisition Date 12/21/2021 2023-12-31 0001508655 2023-05-15 0001508655 Equity and Other Investments Education EMS Linq, Inc. Class B Units (5,522,526 units) Initial Acquisition Date 12/22/2021 2023-12-31 0001508655 Equity and Other Investments Human Resource Support Services Axonify, Inc. Class A-1 Units (3,780,000 units) Initial Acquisition Date 5/5/2021 2023-01-01 2023-12-31 0001508655 Debt Investments Oil, Gas and Consumable Fuels Mach Natural Resources LP First-lien loan ($4,750 par, due 12/2026) Initial Acquisition Date 12/28/2023 Reference Rate and Spread SOFR + 6.65% Interest Rate 11.25% 2024-09-30 0001508655 Debt Investments Hotel, Gaming and Leisure IRGSE Holding Corp. First-lien revolving loan ($27,622 par, due 6/2024) Initial Acquisition Date 12/21/2018 Reference Rate and Spread SOFR + 9.65% Interest Rate 15.03% 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel2Member tslx:FirstLienDebtInvestmentsMember 2023-12-31 0001508655 tslx:HumanResourceSupportServicesMember 2023-12-31 0001508655 Equity and Other Investments Hotel, Gaming and Leisure IRGSE Holding Corp. Class C-1 Units (8,800,000 units) Initial Acquisition Date 12/21/2018 2023-01-01 2023-12-31 0001508655 tslx:DelayedDrawMember tslx:BanyanSoftwareHoldingsLlcMember 2024-09-30 0001508655 tslx:DelayedDrawAndRevolverMember tslx:LynxBidcoMember 2024-09-30 0001508655 tslx:OilGasAndConsumableFuelsMember 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember srt:MinimumMember us-gaap:MeasurementInputDiscountRateMember us-gaap:IncomeApproachValuationTechniqueMember 2024-09-30 0001508655 tslx:O2024Q3SupplementalDividendsMember 2024-07-31 0001508655 Debt Investments Business Services ForeScout Technologies, Inc. First-lien loan ($5,611 par, due 5/2030) Initial Acquisition Date 5/24/2024 Reference Rate and Spread SOFR + 5.00% Interest Rate 10.07% 2024-01-01 2024-09-30 0001508655 Interest Rate Swap Company Receives 2.50% Company Pays SOFR + 2.17% Maturity Date 8/1/2026 2023-01-01 2023-12-31 0001508655 tslx:TwentyTwentySixNotesMember 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Ares Loan Funding I Ltd, Series 2021-ALFA, Class E Structured Credit ($1,000 par, due 10/2034) Initial Acquisition Date 6/24/2022 Reference Rate and Spread SOFR + 6.96% Interest Rate 12.36% 2023-12-31 0001508655 tslx:StructuredCreditInvestmentsMember 2024-09-30 0001508655 Debt Investments Business Services BCTO Ignition Purchaser, Inc. First-lien holdco loan ($35,086 par, due 10/2030) Initial Acquisition Date 4/18/2023 Reference Rate and Spread SOFR + 9.00% Interest Rate 14.28% PIK 2024-09-30 0001508655 Debt Investments Internet Services Higher Logic, LLC First-lien loan ($50,775 par, due 1/2025) Initial Acquisition Date 6/18/2018 Reference Rate and Spread SOFR + 6.75% Interest Rate 11.35% 2024-01-01 2024-09-30 0001508655 us-gaap:DomesticCountryMember 2024-09-30 0001508655 Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. Roll Up DIP term loan ($25,931 par, due 9/2024) Initial Acquisition Date 4/24/2023 Reference Rate and Spread SOFR + 7.90% Interest Rate 13.26% (incl. 13.26% PIK) 2023-01-01 2023-12-31 0001508655 tslx:MezzanineDebtInvestmentsMember 2023-09-30 0001508655 tslx:InvestmentAdvisoryAgreementMember tslx:RealizedCapitalGainsAccruedPriorToMarchThirtyFirstTwoThousandFourteenMember 2011-04-15 2011-04-15 0001508655 Debt Investments Business Services Wrangler TopCo, LLC First-lien loan ($4,153 par, due 7/2029) Initial Acquisition Date 7/7/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.88% 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:MezzanineDebtInvestmentsMember 2024-01-01 2024-09-30 0001508655 Debt Investments Business Services Wrangler TopCo, LLC First-lien loan ($5,498 par, due 9/2029) Initial Acquisition Date 7/7/2023 Reference Rate and Spread SOFR + 6.00% Interest Rate 10.92% 2024-01-01 2024-09-30 0001508655 Interest Rate Swap, Cash collateral 2023-12-31 0001508655 tslx:InterestRateSwapFourMember 2023-01-01 2023-09-30 0001508655 Interest Rate Swap Company Receives 3.875% Company Pays SOFR + 2.51% Maturity Date 11/1/2024 2024-09-30 0001508655 Debt Investments Manufacturing Skylark UK DebtCo Limited First-lien loan ($16,340 par, due 9/2030) Initial Acquisition Date 9/7/2023 Reference Rate and Spread SOFR + 5.75% Interest Rate 10.35% 2024-09-30 0001508655 Debt Investments Communications Aurelia Netherlands MidCo 2 B.V. First-lien loan (EUR 32,904 par, due 5/2031) Initial Acquisition Date 5/22/2024 Reference Rate and Spread E + 5.75% Interest Rate 9.55% 2024-01-01 2024-09-30 0001508655 Debt Investments Financial Services Ping Identity Holding Corp. First-lien loan ($22,727 par, due 10/2029) Initial Acquisition Date 10/17/2022 Reference Rate and Spread SOFR + 6.75% Interest Rate 11.35% 2024-01-01 2024-09-30 0001508655 us-gaap:CommonStockMember 2024-07-01 2024-09-30 0001508655 Debt Investments Business Services Artisan Bidco, Inc First-lien loan (EUR 17,602 par, due 11/2029) Initial Acquisition Date 11/7/2023 Reference Rate and Spread E + 7.00% Interest Rate 10.54% 2024-09-30 0001508655 Debt Investments Healthcare BCTO Ace Purchaser, Inc. First-lien loan ($69,324 par, due 11/2027) Initial Acquisition Date 11/23/2020 Reference Rate and Spread SOFR + 7.45% Interest Rate 12.51% 2024-09-30 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. 106,592 Series D Warrants Initial Acquisition Date 4/8/2021 2024-01-01 2024-09-30 0001508655 tslx:BusinessServicesMember 2024-09-30 0001508655 2024-11-05 0001508655 Debt Investments Education EMS Linq, Inc. First-lien loan ($56,216 par, due 12/2027) Initial Acquisition Date 12/22/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.41% 2024-01-01 2024-09-30 0001508655 Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan (AUD 11,851 par, due 12/2025) Initial Acquisition Date 1/11/2018 Reference Rate and Spread B + 5.00% Interest Rate 9.36% 2024-01-01 2024-09-30 0001508655 Debt Investments Business Services Elements Finco Limited First-lien loan (GBP 7,095 par, due 4/2031) Initial Acquisition Date 4/29/2024 Reference Rate and Spread S + 5.00% Interest Rate 9.97% 2024-09-30 0001508655 Equity and Other Investments Hotel, Gaming and Leisure IRGSE Holding Corp. Class A Units (33,790,171 units) Initial Acquisition Date 12/21/2018 2024-09-30 0001508655 tslx:AdministrationAgreementMember us-gaap:GeneralAndAdministrativeExpenseMember tslx:AdviserMember 2023-07-01 2023-09-30 0001508655 Equity and Other Investments Hotel, Gaming and Leisure IRGSE Holding Corp. Class A Units (33,790,171 units) Initial Acquisition Date 12/21/2018 2023-01-01 2023-12-31 0001508655 tslx:TwoThousandTwentySixNotesMember 2021-02-03 2021-02-03 0001508655 Equity and Other Investments Retail and Consumer Products Neuintel, LLC Class A Units (1,176,494 units) Initial Acquisition Date 12/20/2021 2024-01-01 2024-09-30 0001508655 Debt Investments Transportation Marcura Equities LTD First-lien revolving loan ($1,667 par, due 8/2029) Initial Acquisition Date 8/11/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 11.60% 2024-01-01 2024-09-30 0001508655 us-gaap:TreasuryStockCommonMember 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member us-gaap:MarketApproachValuationTechniqueMember us-gaap:MeasurementInputComparabilityAdjustmentMember srt:MinimumMember tslx:EquityAndOtherInvestmentsMember 2023-12-31 0001508655 Debt Investments Internet Services Merit Software Finance Holdings, LLC First-lien loan ($39,286 par, due 6/2029) Initial Acquisition Date 6/20/2024 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.42% 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember tslx:AssetValuationWaterfallMember 2023-12-31 0001508655 Debt Investments Financial Services 2024-09-30 0001508655 Debt Investments Financial Services BTRS Holdings, Inc. First-lien loan ($47,051 par, due 12/2028) Initial Acquisition Date 12/16/2022 Reference Rate and Spread SOFR + 8.00% Interest Rate 13.38% 2023-12-31 0001508655 us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember tslx:TwoThousandTwentySixNotesMember 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Financial Services Passport Labs, Inc. 17,534 Warrants Initial Acquisition Date 4/28/2021 2024-09-30 0001508655 Equity and Other Investments Internet Services Bayshore Intermediate #2, L.P. Co-Invest 2 Common Units (3,493,701 units) Initial Acquisition Date 10/1/2021 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Internet Services Bayshore Intermediate #2, L.P. Co-Invest Common Units (8,837,008 units) Initial Acquisition Date 10/1/2021 2023-12-31 0001508655 Debt Investments Education 2023-12-31 0001508655 tslx:FirstLienDebtInvestmentsMember 2022-12-31 0001508655 Debt Investments Internet Services Merit Software Finance Holdings, LLC First-lien loan ($39,286 par, due 6/2029) Initial Acquisition Date 6/20/2024 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.42% 2024-01-01 2024-09-30 0001508655 tslx:O2023Q1SupplementalDividendsMember 2023-02-16 2023-02-16 0001508655 Debt Investments Human Resource Support Services PrimePay Intermediate, LLC First-lien loan ($34,375 par, due 12/2026) Initial Acquisition Date 12/17/2021 Reference Rate and Spread SOFR + 7.15% Interest Rate 12.54% 2023-01-01 2023-12-31 0001508655 Debt Investments Internet Services 2024-09-30 0001508655 Debt Investments Business Services Lynx BidCo First-lien loan (EUR 589 par, due 7/2031) Initial Acquisition Date 7/5/2024 Reference Rate and Spread E + 7.11% Interest Rate 10.81% (5.61% PIK) 2024-01-01 2024-09-30 0001508655 us-gaap:CommonStockMember 2023-09-30 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Series A Preferred Stock (1,667 units) Initial Acquisition Date 12/20/2023 Reference Rate and Spread SOFR+12.00% Interest Rate 16.59% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Benefit Street Partners CLO Ltd, Series 2015-8A Structured Credit ($1,425 par, due 1/2031) Initial Acquisition Date 9/13/2022 Reference Rate and Spread SOFR + 3.01% Interest Rate 8.43% 2023-12-31 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Class A-2 Units (2,989 units) Initial Acquisition Date 6/21/2022 2023-01-01 2023-12-31 0001508655 tslx:NortheastMember 2024-09-30 0001508655 us-gaap:AdditionalPaidInCapitalMember 2023-04-01 2023-06-30 0001508655 tslx:MezzanineDebtInvestmentsMember 2022-12-31 0001508655 Equity and Other Investments Structured Credit Madison Park CLO, Series 2018-28A Structured Credit ($1,000 par, due 7/2030) Initial Acquisition Date 6/28/2022 Reference Rate and Spread SOFR + 5.51% Interest Rate 10.91% 2023-12-31 0001508655 tslx:SecondLienDebtInvestmentsMember 2024-09-30 0001508655 Equity and Other Investments Human Resource Support Services Employment Hero Holdings Pty Ltd. Series E Preferred Shares (113,250 shares) Initial Acquisition Date 3/1/2022 2024-09-30 0001508655 Debt Investments Education EMS Linq, Inc. First-lien loan ($56,216 par, due 12/2027) Initial Acquisition Date 12/22/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.41% 2024-09-30 0001508655 2023-05-15 2023-05-15 0001508655 Debt Investments Business Services Alpha Midco, Inc. First-lien loan ($69,632 par, due 8/2028) Initial Acquisition Date 8/15/2019 Reference Rate and Spread SOFR + 6.88% Interest Rate 11.48% 2024-01-01 2024-09-30 0001508655 Debt Investments Financial Services BlueSnap, Inc. First-lien loan ($41,895 par, due 10/2025) Initial Acquisition Date 10/25/2019 Reference Rate and Spread SOFR + 7.15% Interest Rate 12.50% 2023-12-31 0001508655 tslx:DelayedDrawAndRevolverMember tslx:WranglerTopcoLlcMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit MidOcean Credit CLO Ltd, Series 2016-6A Structured Credit ($3,500 par, due 4/2033) Initial Acquisition Date 5/23/2022 Reference Rate and Spread SOFR + 3.78% Interest Rate 9.20% 2023-01-01 2023-12-31 0001508655 Debt Investments Transportation Ben Nevis Midco Limited First-lien loan ($3,635 par, due 3/2028) Initial Acquisition Date 3/26/2024 Reference Rate and Spread SOFR + 5.50% Interest Rate 10.42% 2024-01-01 2024-09-30 0001508655 tslx:InterestRateSwapOneMember 2023-01-01 2023-09-30 0001508655 Debt Investments Human Resource Support Services bswift, LLC First-lien loan ($44,022 par, due 11/2028) Initial Acquisition Date 11/7/2022 Reference Rate and Spread SOFR + 6.38% Interest Rate 11.68% 2024-01-01 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:MezzanineDebtInvestmentsMember 2023-01-01 2023-09-30 0001508655 Equity and Other Investments Financial Services Oxford Square Capital Corp. Common Shares (1,620 shares) Initial Acquisition Date 8/5/2015 2023-12-31 0001508655 us-gaap:CommonStockMember 2024-06-30 0001508655 Debt Investments Oil, Gas and Consumable Fuels Murchison Oil and Gas, LLC First-lien loan ($27,849 par, due 6/2026) Initial Acquisition Date 6/30/2022 Reference Rate and Spread SOFR + 8.65% Interest Rate 14.00% 2023-01-01 2023-12-31 0001508655 tslx:MezzanineDebtInvestmentsMember 2024-09-30 0001508655 us-gaap:DesignatedAsHedgingInstrumentMember us-gaap:InterestRateSwapMember 2024-01-01 2024-09-30 0001508655 tslx:ElysianFincoLtdMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit Ares CLO Ltd, Series 2021-59A Structured Credit ($1,000 par, due 4/2034) Initial Acquisition Date 6/23/2022 Reference Rate and Spread SOFR + 6.51% Interest Rate 11.89% 2023-01-01 2023-12-31 0001508655 Debt Investments Human Resource Support Services Employment Hero Holdings Pty Ltd. First-lien loan (AUD 50,000 par, due 12/2026) Initial Acquisition Date 12/6/2021 Reference Rate and Spread B + 6.25% Interest Rate 10.73% 2024-09-30 0001508655 Debt Investments Business Services BCTO Ignition Purchaser, Inc. First-lien holding loan ($ 31,935 par, due 10/2030) Initial Acquisition Date 4/18/2023 Reference Rate and SOFR+ 9.00% Interest Rate 14.40% PIK 2023-01-01 2023-12-31 0001508655 Debt Investments Automotive Truck-Lite Co., LLC First-lien loan ($40,235 par, due 2/2031) Initial Acquisition Date 2/13/2024 Reference Rate and Spread SOFR + 5.75% Interest Rate 10.86% 2024-01-01 2024-09-30 0001508655 us-gaap:RevolvingCreditFacilityMember 2024-04-24 0001508655 Debt Investments Manufacturing Skylark UK DebtCo Limited First-lien loan ($16,340 par, due 9/2030) Initial Acquisition Date 9/7/2023 Reference Rate and Spread SOFR + 5.75% Interest Rate 10.35% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Dryden Senior Loan Fund, Series 2018-55A Structured Credit ($1,000 par, due 4/2031) Initial Acquisition Date 7/25/2022 Reference Rate and Spread SOFR + 3.11% Interest Rate 8.51% 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Internet Services SMA Technologies Holdings, LLC Class B Units (923,250 shares) Initial Acquisition Date 11/21/2022 2024-09-30 0001508655 Debt Investments Manufacturing ASP Unifrax Holdings, Inc. Second-lien loan ($1,993 par, due 9/2029) Initial Acquisition Date 8/31/2023 Reference Rate and spread 7.10% Interest Rate 7.10% (1.25% PIK) 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Healthcare Raptor US Buyer II Corp. 20,268 Ordinary Shares Initial Acquisition Date 3/24/2023 2023-12-31 0001508655 Debt Investments Business Services Azurite Intermediate Holdings, Inc. First-lien loan ($32,063 par, due 3/2031) Initial Acquisition Date 3/19/2024 Reference Rate and Spread SOFR + 6.50% Interest Rate 11.35% 2024-09-30 0001508655 Equity and Other Investments Structured Credit Stewart Park CLO Ltd, Series 2015-1A Structured Credit ($1,000 par, due 1/2030) Initial Acquisition Date 7/25/2022 Reference Rate and Spread SOFR + 2.86% Interest Rate 8.26% 2023-12-31 0001508655 Equity and Other Investments Education RMCF IV CIV XXXV, LP. Partnership Interest (11.94% ownership) Initial Acquisition Date 6/8/2021 2024-09-30 0001508655 Equity and Other Investments Structured Credit Pikes Peak CLO, Series 2021-9A Structured Credit ($2,000 par, due 10/2034) Initial Acquisition Date 8/31/2022 Reference Rate and Spread SOFR + 6.84% Interest Rate 12.23% 2023-12-31 0001508655 Debt Investments Healthcare BCTO Ace Purchaser, Inc. Second-lien loan ($6,338 par, due 1/2030) Initial Acquisition Date 1/23/2023 Reference Rate and Spread SOFR + 10.70% Interest Rate 15.98% PIK 2024-09-30 0001508655 Debt Investments Manufacturing Avalara, Inc. First-lien loan ($38,636 par, due 10/2028) Initial Acquisition Date 10/19/2022 Reference Rate and Spread SOFR + 6.25% Interest Rate 10.85% 2024-09-30 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Class A-1 Units (637,713 units) Initial Acquisition Date 11/23/2021 2024-09-30 0001508655 Debt Investments Hotel, Gaming and Leisure 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Tango Management Consulting, LLC First-lien revolving loan ($2,346 par, due 12/2027) Initial Acquisition Date 12/1/2021 Reference Rate and Spread SOFR + 6.85% Interest Rate 12.01% 2024-09-30 0001508655 Debt Investments Internet Services Coupa Holdings, LLC First-lien loan ($43,083 par, due 2/2030) Initial Acquisition Date 2/27/2023 Reference Rate and Spread SOFR + 5.50% Interest Rate 10.75% 2024-09-30 0001508655 Debt Investments Financial Services TradingScreen, Inc. First-lien loan ($47,198 par, due 4/2027) Initial Acquisition Date 4/30/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.73% 2023-01-01 2023-12-31 0001508655 tslx:SecondLienDebtInvestmentsMember 2024-09-30 0001508655 Interest Rate Swap Company Pays SOFR + 2.72% Maturity Date 11/1/2024 2024-09-30 0001508655 Equity and Other Investments Communications IntelePeer Holdings, Inc. Series C Preferred Shares (1,816,295 shares) Initial Acquisition Date 4/8/2021 2024-09-30 0001508655 tslx:OfficeProductsMember 2023-12-31 0001508655 tslx:FirstLienDebtInvestmentsMember 2023-01-01 2023-12-31 0001508655 Debt Investments Transportation Shiftmove GMBH First-lien loan (EUR 31,875 par, due 9/2030) Initial Acquisition Date 9/30/2024 Reference Rate and Spread E + 6.00% Interest Rate 9.35% 2024-09-30 0001508655 Equity and Other Investments Automotive Clarience Technologies, LLC Class A Units (333 units) Initial Acquisition Date 2/12/2024 2024-01-01 2024-09-30 0001508655 Controlled Affiliated Investments 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel2Member tslx:MezzanineDebtInvestmentsMember 2023-12-31 0001508655 us-gaap:TreasuryStockCommonMember 2023-09-30 0001508655 Equity and Other Investments Business Services Insight Hideaway Aggregator, L.P. Partnership Interest (329,861 units) Initial Acquisition Date 3/19/2024 2024-09-30 0001508655 tslx:InvestmentAdvisoryAgreementMember 2011-04-15 2011-04-15 0001508655 us-gaap:AdditionalPaidInCapitalMember 2024-07-01 2024-09-30 0001508655 Debt Investments Retail and Consumer Products American Achievement, Corp. First-lien loan ($26,911 par, due 9/2026) Initial Acquisition Date 9/30/2015 Reference Rate and Spread SOFR + 7.35% Interest Rate 12.55% (12.05%PIK) 2024-09-30 0001508655 Debt Investments Business Services Galileo Parent, Inc. First-lien loan ($64,742 par, due 5/2030) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.60% 2023-12-31 0001508655 Debt Investments Oil, Gas and Consumable Fuels TRP Assets, LLC First-lien loan ($65,000 par, due 12/2025) Initial Acquisition Date 12/3/2021 Reference Rate and Spread SOFR + 7.76% Interest Rate 12.37% 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Dryden Senior Loan Fund, Series 2020-86A Structured Credit ($1,500 par, due 7/2034) Initial Acquisition Date 8/17/2022 Reference Rate and Spread SOFR + 6.76% Interest Rate 12.16% 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:FirstLienDebtInvestmentsMember 2024-01-01 2024-09-30 0001508655 Debt Investments Human Resource Support Services Elysian Finco Ltd. First-lien loan ($19,519 par, due 1/2028) Initial Acquisition Date 1/31/2021 Reference Rate and Spread SOFR + 6.65% Interest Rate 2.03% (incl. 6.50% PIK) 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC 90,634 Warrants Initial Acquisition Date 12/20/2023 2023-01-01 2023-12-31 0001508655 Debt Investments Manufacturing Skylark UK DebtCo Limited First-lien loan (GBP 16,640 par, due 9/2030) Initial Acquisition Date 9/7/2023 Reference Rate and Spread S + 5.75% Interest 10.76% 2024-01-01 2024-09-30 0001508655 Debt Investments Chemicals 2024-09-30 0001508655 tslx:InternetServicesMember 2024-09-30 0001508655 us-gaap:RetainedEarningsMember 2023-06-30 0001508655 Debt Investments Manufacturing ASP Unifrax Holdings, Inc. First-lien loan ($3,408 par, due 9/2029) Initial Acquisition Date 9/30/2024 Reference Rate and Spread SOFR + 7.75% Interest Rate 12.35% (4.75% PIK) 2024-01-01 2024-09-30 0001508655 Derivative Interest Rate Swap 2023-12-31 0001508655 Debt Investments Internet Services Bayshore Intermediate #2, L.P. First-lien loan ($36,629 par, due 10/2028) Initial Acquisition Date 10/1/2021 Reference Rate and Spread SOFR + 7.60% Interest Rate 12.96% PIK 2023-12-31 0001508655 tslx:DelayedDrawMember tslx:OutsystemsLuxcoMember 2024-09-30 0001508655 tslx:DyeDurhamCorpMember tslx:RevolverMember 2024-09-30 0001508655 Equity and Other Investments Internet Services SMA Technologies Holdings, LLC Class A Units (1,300 shares) Initial Acquisition Date 11/21/2022 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services Bear OpCo, LLC First-lien loan ($21,392 par, due 10/2024) Initial Acquisition Date 10/10/2019 Reference Rate and Spread SOFR + 7.65% Interest Rate 13.01% 2023-12-31 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. Series C Preferred Shares (1,915,114 shares) Initial Acquisition Date 10/13/2020 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member us-gaap:MarketApproachValuationTechniqueMember us-gaap:MeasurementInputComparabilityAdjustmentMember tslx:EquityAndOtherInvestmentsMember 2024-09-30 0001508655 Debt Investments Insurance Disco Parent, Inc. First-lien loan ($4,545 par, due 3/2029) Initial Acquisition Date 3/30/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.56% 2024-09-30 0001508655 Equity and Other Investments Financial Services Newport Parent Holdings, L.P. Class A-2 Units (131,569 units) Initial Acquisition Date 12/10/2020 2023-12-31 0001508655 Equity and Other Investments Human Resource Support Services Axonify, Inc. Class A-1 Units (3,780,000 units) Initial Acquisition Date 5/5/2021 2023-12-31 0001508655 Debt Investments Human Resource Support Services 2024-09-30 0001508655 Debt Investments Financial Services GreenShoot BidCo B.V First-lien loan (EUR 5,107 par, due 5/2030) Initial Acquisition Date 5/28/2024 Reference Rate and Spread E + 5.75% Interest Rate 9.27% 2024-01-01 2024-09-30 0001508655 Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (NOK 7,426 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread N + 7.00% Interest Rate 11.77% 2024-09-30 0001508655 tslx:DelayedDrawMember tslx:OutsystemsLuxcoMember 2023-12-31 0001508655 Debt Investments Human Resource Support Services Madcap Software, Inc. First-lien loan ($32,500 par, due 12/2026) Initial Acquisition Date 12/15/2023 Reference Rate and Spread SOFR + 6.10% Interest Rate 11.46% 2023-12-31 0001508655 Debt Investments Healthcare Merative L.P. First-lien loan ($70,103 par, due 6/2028) Initial Acquisition Date 6/30/2022 Reference Rate and Spread SOFR + 7.25% Interest Rate 11.86% 2024-09-30 0001508655 Debt Investments Financial Services Ibis US Blocker Co. First-lien loan ($17,688 par, due 5/2028) Initial Acquisition Date 5/28/2021 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.46% PIK) 2024-09-30 0001508655 tslx:TwentyTwentyNineNotesMember 2024-01-08 2024-01-08 0001508655 Debt Investments Education Destiny Solutions Parent Holding Company First-lien loan ($59,100 par, due 6/2026) Initial Acquisition Date 6/8/2021 Reference Rate and Spread SOFR + 5.60% Interest Rate 10.45% 2024-09-30 0001508655 Debt Investments Healthcare SL Buyer Corp. First-lien loan ($32,759 par, due 7/2029) Initial Acquisition Date 7/7/2023 Reference Rate and Spread SOFR + 7.75% Interest Rate 13.00% 2024-09-30 0001508655 tslx:TwoThousandTwentyFourSwapTransactionMember 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Education RMCF IV CIV XXXV, LP. Partnership Interest (11.94% ownership) Initial Acquisition Date 6/8/2021 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Business Services ReliaQuest, LLC Class A-1 Units (637,713 units) Initial Acquisition Date 11/23/2021 2023-01-01 2023-12-31 0001508655 Equity and Other Investments Structured Credit Octagon Investment Partners 18 Ltd, Series 2018-18A Structured Credit ($1,000 par, due 4/2031) Initial Acquisition Date 7/26/2022 Reference Rate and Spread SOFR + 2.96% Interest Rate 8.36% 2023-01-01 2023-12-31 0001508655 Debt Investments Manufacturing ASP Unifrax Holdings, Inc. First-lien loan ($3,408 par, due 9/2029) Initial Acquisition Date 9/30/2024 Reference Rate and Spread SOFR + 7.75% Interest Rate 12.35% (4.75% PIK) 2024-09-30 0001508655 Debt Investments Internet Services EDB Parent, LLC First-lien loan ($63,508 par, due 7/2028) Initial Acquisition Date 7/7/2022 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.10% 2023-12-31 0001508655 Debt Investments Manufacturing Skylark UK DebtCo Limited First-lien loan (GBP 16,640 par, due 9/2030) Initial Acquisition Date 9/7/2023 Reference Rate and Spread S + 5.75% Interest 10.76% 2024-09-30 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. 633,376 Warrants Initial Acquisition Date 9/21/2018 2023-12-31 0001508655 Debt Investments Business Services Galileo Parent, Inc. First-lien loan ($64,255 par, due 5/2030) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 11.85% 2024-09-30 0001508655 Debt Investments Human Resource Support Services 2023-12-31 0001508655 tslx:GreenshootBidcoBVMember tslx:RevolverMember 2024-09-30 0001508655 Debt Investments Oil, Gas and Consumable Fuels Murchison Oil and Gas, LLC First-lien loan ($27,849 par, due 6/2026) Initial Acquisition Date 6/30/2022 Reference Rate and Spread SOFR + 8.65% Interest Rate 14.00% 2023-12-31 0001508655 tslx:HotelGamingAndLeisureMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit American Money Management Corp CLO Ltd, Series 2016-18A Structured Credit ($1,500 par, due 5/2031) Initial Acquisition Date 6/22/2022 Reference Rate and Spread SOFR + 3.31% Interest Rate 8.70% 2023-01-01 2023-12-31 0001508655 tslx:O2024Q3BaseDividendsMember 2024-07-31 0001508655 Debt Investments Business Services Elements Finco Limited First-lien loan (GBP 7,095 par, due 4/2031) Initial Acquisition Date 4/29/2024 Reference Rate and Spread S + 5.00% Interest Rate 9.97% 2024-01-01 2024-09-30 0001508655 tslx:InvestmentAdvisoryAgreementMember tslx:LeverageWaiverMember 2011-04-15 2011-04-15 0001508655 us-gaap:TreasuryStockCommonMember 2022-12-31 0001508655 Debt Investments Business Services Dye & Durham Corp. First-lien revolving loan (CAD 1,086 par, due 12/2026) Initial Acquisition Date 12/3/2021 Reference Rate and C+ 5.75% Interest Rate 11.20% 2023-01-01 2023-12-31 0001508655 Debt Investments Retail and Consumer Products American Achievement, Corp. First-lien loan ($27,046 par, due 9/2026) Initial Acquisition Date 9/30/2015 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.19% PIK 2023-12-31 0001508655 Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan ($10,557 par, due 12/2025) Initial Acquisition Date 10/28/2021 Reference Rate and Spread SOFR + 5.10% Interest Rate 10.45% 2023-01-01 2023-12-31 0001508655 tslx:InvestmentAdvisoryAgreementMember 2024-01-01 2024-09-30 0001508655 Controlled Affiliated Investments IRGSE Holding Corp. 2024-01-01 2024-09-30 0001508655 Debt Investments Healthcare SL Buyer Corp. First-lien loan ($31,475 par, due 7/2029) Initial Acquisition Date 7/7/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.36% 2023-01-01 2023-12-31 0001508655 Debt Investments Financial Services PrimeRevenue, Inc. First-lien loan ($9,007 par, due 12/2024) Initial Acquisition Date 12/31/2018 Reference Rate and Spread SOFR + 7.10% Interest Rate 12.46% 2023-12-31 0001508655 Equity and Other Investments Automotive Clarience Technologies, LLC Class A Units (333 units) Initial Acquisition Date 2/12/2024 2024-09-30 0001508655 Debt Investments Business Services BCTO Ignition Purchaser, Inc. First-lien holding loan ($ 31,935 par, due 10/2030) Initial Acquisition Date 4/18/2023 Reference Rate and SOFR+ 9.00% Interest Rate 14.40% PIK 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. ABL FILO term loan ($14,065 par, due 8/2027) Initial Acquisition Date 9/2/2022 Reference Rate and Spread SOFR + 9.90% Interest Rate 15.26% 2023-01-01 2023-12-31 0001508655 Debt Investments Manufacturing Skylark UK DebtCo Limited First-lien loan (EUR 4,851 par, due 9/2030) Initial Acquisition Date 9/7/2023 Reference Rate and Spread E + 6.25% Interest Rate 10.18% 2023-12-31 0001508655 tslx:RevolverMember tslx:PassportLabsIncMember 2024-09-30 0001508655 Debt Investments Automotive Truck-Lite Co., LLC First-lien revolving loan ($44 par, due 2/2031) Initial Acquisition Date 2/13/2024 Reference Rate and Spread SOFR + 5.75% Interest Rate 10.85% 2024-09-30 0001508655 Equity and Other Investments Retail and Consumer Products Copper Bidco, LLC Trust Certificates (996,958 Certificates) Initial Acquisition Date 1/30/2021 2024-09-30 0001508655 tslx:AmericanAchievementCorpMember tslx:RevolverMember 2023-12-31 0001508655 2023-01-01 2023-09-30 0001508655 tslx:TwoThousandTwentySixNotesMember 2023-01-01 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. Super-Priority DIP term loan ($4,101 par) Initial Acquisition Date 4/24/2023 Reference Rate and Spread SOFR + 7.90% Interest Rate 12.75% 2024-01-01 2024-09-30 0001508655 Debt Investments Manufacturing Avalara, Inc. First-lien loan ($38,636 par, due 10/2028) Initial Acquisition Date 10/19/2022 Reference Rate and Spread SOFR + 6.25% Interest Rate 10.85% 2024-01-01 2024-09-30 0001508655 Debt Investments Financial Services BCTO Bluebill Buyer, Inc. First-lien loan ($28,640 par, due 7/2029) Initial Acquisition Date 7/20/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.60% 2023-01-01 2023-12-31 0001508655 Debt Investments Business Services Alpha Midco, Inc. First-lien loan ($ 68,112 par, due 8/2025) Initial Acquisition Date 8/15/2019 Reference Rate and SOFR + 7.63% Interest Rate 12.97% 2023-01-01 2023-12-31 0001508655 us-gaap:FairValueInputsLevel3Member tslx:SecondLienDebtInvestmentsMember 2024-09-30 0001508655 tslx:BayshoreIntermediate2LPMember tslx:RevolverMember 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member tslx:BlackScholesModelMember tslx:EquityAndOtherInvestmentsMember 2024-09-30 0001508655 Controlled Affiliated Investments IRGSE Holding Corp. 2024-09-30 0001508655 Equity and Other Investments Structured Credit CIFC CLO Ltd, Series 2021-4A Structured Credit ($1,000 par, due 7/2033) Initial Acquisition Date 7/14/2022 Reference Rate and Spread SOFT + 6.26% Interest Rate 11.66% 2023-12-31 0001508655 us-gaap:AdditionalPaidInCapitalMember 2023-01-01 2023-03-31 0001508655 tslx:TwoThousandTwentyNineNotesMember us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember 2024-01-01 2024-09-30 0001508655 Equity and Other Investments Structured Credit Jefferson Mill CLO Ltd, Series 2015-1A Structured Credit ($1,000 par, due 10/2031) Initial Acquisition Date 5/23/2022 Reference Rate and Spread SOFR + 3.81% Interest Rate 9.22% 2023-01-01 2023-12-31 0001508655 Debt Investments Retail and Consumer Products Cordance Operations, LLC First-lien loan ($49,543 par, due 7/2028) Initial Acquisition Date 7/25/2022 Reference Rate and Spread SOFR + 9.25% Interest Rate 14.66% 2023-12-31 0001508655 us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember tslx:TwoThousandTwentyEightNotesMember 2023-01-01 2023-12-31 0001508655 Debt Investments Business Service USA DeBusk, LLC First-lien revolving loan ($472 par, due 4/2030) Initial Acquisition Date 4/30/2024 Reference Rate and Spread SOFR + 5.25% Interest Rate 9.97% 2024-09-30 0001508655 us-gaap:FairValueInputsLevel3Member us-gaap:MeasurementInputDiscountRateMember srt:MinimumMember us-gaap:IncomeApproachValuationTechniqueMember tslx:MezzanineDebtInvestmentsMember 2023-12-31 0001508655 Equity and Other Investments Healthcare Caris Life Sciences, Inc. 633,376 Warrants Initial Acquisition Date 9/21/2018 2024-01-01 2024-09-30 0001508655 Debt Investments Transportation Marcura Equities LTD First-lien loan ($32,007 par, due 8/2029) Initial Acquisition Date 8/11/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.18% 2023-12-31 0001508655 Debt Investments Financial Services Ping Identity Holding Corp. First-lien loan ($22,727 par, due 10/2029) Initial Acquisition Date 10/17/2022 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.36% 2023-01-01 2023-12-31 0001508655 tslx:RevolverEquityMember tslx:CrewlineBuyerIncMember 2023-12-31 0001508655 tslx:MarketingServicesMember 2024-09-30 0001508655 Debt Investments Transportation Marcura Equities LTD First-lien revolving loan ($1,667 par, due 8/2029) Initial Acquisition Date 8/11/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.18% 2023-01-01 2023-12-31 0001508655 tslx:MarcuraEquitiesLtdMember tslx:DelayedDrawAndRevolverMember 2024-09-30 0001508655 Equity and Other Investments Structured Credit Eaton CLO Ltd, Series 2015-1A Structured Credit ($2,500 par, due 1/2030) Initial Acquisition Date 6/23/2022 Reference Rate and Spread SOFR + 2.76% Interest Rate 8.18% 2023-12-31 0001508655 us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember tslx:TwoThousandTwentyFourNotesMember 2024-01-01 2024-09-30 0001508655 us-gaap:TreasuryStockCommonMember 2024-03-31 0001508655 tslx:O2023Q1SupplementalDividendsMember 2023-02-16 0001508655 Equity and Other Investments Healthcare Raptor US Buyer II Corp. 20,268 Ordinary Shares Initial Acquisition Date 3/24/2023 2024-09-30 0001508655 tslx:AutomotiveMember 2023-12-31 0001508655 tslx:SecondLienDebtInvestmentsMember 2023-09-30 iso4217:AUD iso4217:EUR xbrli:pure iso4217:SEK xbrli:shares iso4217:CAD iso4217:GBP iso4217:USD xbrli:shares iso4217:USD iso4217:NOK

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-Q

(Mark One)

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2024

OR

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission File Number 001-36364

Sixth Street Specialty Lending, Inc.

(Exact name of registrant as specified in its charter)

Delaware

27-3380000

(State or other jurisdiction of

incorporation or organization)

(I.R.S. Employer

Identification No.)

2100 McKinney Avenue , Suite 1500 ,

Dallas , TX

75201

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: ( 469 ) 621-3001

Not applicable

Former name, former address and former fiscal year, if changed since last report.

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, par value $0.01 per share

TSLX

The New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer

Accelerated filer

Non-accelerated filer

Smaller reporting company

Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes No

The number of shares of the registrant’s common stock, $.01 par value per share, outstanding at November 5, 2024 was 93,317,621 .

1


SIXTH STREET SPECIALTY LENDING, INC.

INDEX

PAGE

NO.

PART I.

FINANCIAL INFORMATION

4

Item 1.

Financial Statements

4

Consolidated Balance Sheets as of September 30, 2024 (Unaudited) and December 31, 2023

4

Consolidated Statements of Operations for the three and nine months ended September 30, 2024 and 2023 (Unaudited)

5

Consolidated Schedules of Investments as of September 30, 2024 (Unaudited) and December 31, 2023

6

Consolidated Statements of Changes in Net Assets for the three and nine months ended September 30, 2024 and 2023 (Unaudited)

22

Consolidated Statements of Cash Flows for the nine months ended September 30, 2024 and 2023 (Unaudited)

24

Notes to Consolidated Financial Statements (Unaudited)

25

Item 2.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

49

Item 3.

Quantitative and Qualitative Disclosures About Market Risk

70

Item 4.

Controls and Procedures

71

PART II.

OTHER INFORMATION

72

Item 1.

Legal Proceedings

72

Item 1A.

Risk Factors

72

Item 2.

Unregistered Sales of Equity Securities and Use of Proceeds

72

Item 3.

Defaults Upon Senior Securities

72

Item 4.

Mine Safety Disclosures

72

Item 5.

Other Information

72

Item 6.

Exhibits

73

SIGNATURES

74

2


CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

This report contains forward-looking statements that involve substantial risks and uncertainties. These forward-looking statements are not historical facts, but rather are based on current expectations, estimates and projections about us, our current and prospective portfolio investments, our industry, our beliefs, and our assumptions. Words such as “anticipates,” “expects,” “intends,” “plans,” “believes,” “seeks,” “estimates,” “would,” “should,” “targets,” “projects,” and variations of these words and similar expressions are intended to identify forward-looking statements. These statements are not guarantees of future performance and are subject to risks, uncertainties, and other factors, some of which are beyond our control and difficult to predict, that could cause actual results to differ materially from those expressed or forecasted in the forward-looking statements.

In addition to factors previously identified elsewhere in the reports and other documents Sixth Street Specialty Lending, Inc. (the "Company", "we", "us", or "our") has filed with the Securities and Exchange Commission, or SEC, the following factors, among others, could cause actual results to differ materially from forward-looking statements or historical performance:

an economic downturn, which could impair our portfolio companies’ abilities to continue to operate, and could lead to the loss of some or all of our investments in those portfolio companies;
such an economic downturn could disproportionately impact the companies in which we have invested and others that we intend to target for investment, potentially causing us to experience a decrease in investment opportunities and diminished demand for capital from these companies;
such an economic downturn could also impact availability and pricing of our financing;
an inability to access the capital markets could impair our ability to raise capital and our investment activities;
inflation could negatively impact our business, including our ability to access the debt markets on favorable terms, or could negatively impact our portfolio companies; and
the risks, uncertainties and other factors we identify in the section entitled “Risk Factors” in this report, in our Annual Report on Form 10-K for the year ended December 31, 2023, filed with the SEC on February 15, 2024, and elsewhere in our filings with the SEC.

Although we believe that the assumptions on which these forward-looking statements are based are reasonable, some of those assumptions are based on the work of third parties and any of those assumptions could prove to be inaccurate; as a result, forward-looking statements based on those assumptions also could prove to be inaccurate. In light of these and other uncertainties, the inclusion of a projection or forward-looking statement in this report should not be regarded as a representation by us that our plans and objectives will be achieved. You should not place undue reliance on these forward-looking statements, which apply only as of the date of this report. We do not undertake any obligation to update or revise any forward-looking statements or any other information contained herein, except as required by applicable law.

The “TSLX” and “TAO” marks are marks of Sixth Street.

3


PART I. FINANCI AL INFORMATION

Item 1. Financi al Statements

Sixth Street Specialty Lending, Inc.

Consolidated Ba lance Sheets

(Amounts in thousands, except share and per share amounts)

(Unaudited)

September 30,

December 31,

2024

2023

Assets

Investments at fair value

Non-controlled, non-affiliated investments (amortized cost of $ 3,345,221 and $ 3,172,853 , respectively)

$

3,375,851

$

3,223,152

Controlled, affiliated investments (amortized cost of $ 85,869 and $ 78,159 , respectively)

65,224

59,913

Total investments at fair value (amortized cost of $ 3,431,090 and $ 3,251,012 , respectively)

3,441,075

3,283,065

Cash and cash equivalents (restricted cash of $ 23,197 and $ 23,979 , respectively)

29,727

25,196

Interest receivable

34,756

27,969

Prepaid expenses and other assets

24,306

7,578

Total Assets

$

3,529,864

$

3,343,808

Liabilities

Debt (net of deferred financing costs of $ 25,481 and $ 21,930 , respectively)

$

1,870,445

$

1,780,307

Management fees payable to affiliate

12,699

11,962

Incentive fees on net investment income payable to affiliate

11,175

11,451

Incentive fees on net capital gains accrued to affiliate

6,022

10,446

Other payables to affiliate

5,619

2,802

Other liabilities

26,723

30,465

Total Liabilities

1,932,683

1,847,433

Commitments and contingencies (Note 8)

Net Assets

Preferred stock, $ 0.01 par value; 100,000,000 shares authorized; no shares
issued and outstanding

Common stock, $ 0.01 par value; 400,000,000 shares authorized, 93,981,871
and
88,493,749 shares issued, respectively; and 93,317,621 and 87,829,499
shares outstanding, respectively

940

885

Additional paid-in capital

1,516,201

1,405,173

Treasury stock at cost; 664,250 and 664,250 shares held, respectively

( 10,459

)

( 10,459

)

Distributable earnings

90,499

100,776

Total Net Assets

1,597,181

1,496,375

Total Liabilities and Net Assets

$

3,529,864

$

3,343,808

Net Asset Value Per Share

$

17.12

$

17.04

The accompanying notes are an integral part of these consolidated financial statements.

4


Sixth Street Specialty Lending, Inc.

Consolidated Stateme nts of Operations

(Amounts in thousands, except share and per share amounts)

(Unaudited)

Three Months Ended

Nine Months Ended

September 30, 2024

September 30, 2023

September 30, 2024

September 30, 2023

Income

Investment income from non-controlled, non-affiliated investments:

Interest from investments

$

103,363

$

102,078

$

308,478

$

286,733

Paid-in-kind interest income

6,218

5,162

23,761

12,809

Dividend income

3,251

798

5,847

2,204

Other income

3,951

4,366

13,737

11,197

Total investment income from non-controlled, non-affiliated investments

116,783

112,404

351,823

312,943

Investment income from controlled, affiliated investments:

Interest from investments

2,438

2,029

6,989

5,599

Other income

2

2

10

4

Total investment income from controlled, affiliated investments

2,440

2,031

6,999

5,603

Total Investment Income

119,223

114,435

358,822

318,546

Expenses

Interest

38,492

35,042

116,759

95,971

Management fees

13,029

11,928

38,390

34,071

Incentive fees on net investment income

11,175

11,151

33,517

31,139

Incentive fees on net capital gains

( 2,245

)

2,577

( 4,424

)

5,083

Professional fees

1,911

1,921

5,776

5,427

Directors’ fees

215

215

643

571

Other general and administrative

1,352

1,413

3,979

3,615

Total expenses

63,929

64,247

194,640

175,877

Management and incentive fees waived (Note 3)

( 330

)

( 267

)

( 1,024

)

( 822

)

Net Expenses

63,599

63,980

193,616

175,055

Net Investment Income Before Income Taxes

55,624

50,455

165,206

143,491

Income taxes, including excise taxes

698

461

2,774

1,777

Net Investment Income

54,926

49,994

162,432

141,714

Unrealized and Realized Gains (Losses)

Net change in unrealized gains (losses):

Non-controlled, non-affiliated investments

( 2,502

)

13,067

( 19,669

)

32,483

Controlled, affiliated investments

( 19

)

( 8,797

)

( 2,399

)

( 17,783

)

Translation of other assets and liabilities in foreign currencies

( 10,305

)

5,470

( 7,220

)

2,466

Interest rate swaps

174

Income tax provision

( 1,456

)

( 1,456

)

Total net change in unrealized gains (losses)

( 14,282

)

9,740

( 30,744

)

17,340

Realized gains (losses):

Non-controlled, non-affiliated investments

83

5,332

3,947

11,768

Foreign currency transactions

( 72

)

( 246

)

( 60

)

40

Total net realized gains (losses)

11

5,086

3,887

11,808

Total Net Unrealized and Realized Gains (Losses)

( 14,271

)

14,826

( 26,857

)

29,148

Increase (Decrease) in Net Assets Resulting from Operations

$

40,655

$

64,820

$

135,575

$

170,862

Earnings per common share—basic and diluted

$

0.44

$

0.74

$

1.48

$

2.03

Weighted average shares of common stock outstanding—basic and diluted

93,024,154

87,251,340

91,602,160

84,313,169

The accompanying notes are an integral part of these consolidated financial statements.

5


Sixth Street Specialty Lending, Inc.

Consolidated Schedule of Inve stments as of September 30, 2024

(Amounts in thousands, except share amounts)

(Unaudited)

6


Company (1)

Investment

Initial
Acquisition
Date

Reference
Rate and
Spread

Interest Rate

Amortized
Cost
(2)(7)

Fair Value (8)

Percentage
of Net Assets

Debt Investments

Automotive

Truck-Lite Co., LLC (3)

First-lien loan ($ 40,235 par, due 2/2031 )

2/13/2024

SOFR + 5.75 %

10.86 %

$ 39,828

$ 40,123

2.5 %

First-lien revolving loan ($ 44 par, due 2/2031 )

2/13/2024

SOFR + 5.75 %

10.85 %

5

33

0.0 %

39,833

40,156

2.5 %

Business Services

Alpha Midco, Inc. (3)(5)

First-lien loan ($ 69,632 par, due 8/2028 )

8/15/2019

SOFR + 6.88 %

11.48 %

69,271

69,807

4.4 %

Artisan Bidco, Inc. (3)

First-lien loan ($ 37,825 par, due 11/2029 )

11/7/2023

SOFR + 7.00 %

12.12 %

37,053

37,825

2.4 %

First-lien loan (EUR 17,602 par, due 11/2029 )

11/7/2023

E + 7.00 %

10.54 %

18,577

19,645
(EUR
17,602 )

1.2 %

Azurite Intermediate Holdings, Inc. (3)

First-lien loan ($ 32,063 par, due 3/2031 )

3/19/2024

SOFR + 6.50 %

11.35 %

31,424

31,706

2.0 %

BCTO Ignition Purchaser, Inc. (3)

First-lien holdco loan ($ 35,086 par, due 10/2030 )

4/18/2023

SOFR + 9.00 %

14.28 % PIK

34,290

35,788

2.2 %

Crewline Buyer, Inc. (3)

First-lien loan ($ 56,324 par, due 11/2030 )

11/8/2023

SOFR + 6.75 %

11.35 %

54,901

56,169

3.5 %

Dye & Durham Corp. (3)(4)(9)

First-lien loan ($ 957 par, due 4/2031 )

4/4/2024

SOFR + 4.35 %

8.95 %

943

961

0.1 %

Elements Finco Limited (3)(4)

First-lien loan ($ 4,069 par, due 4/2031 )

4/29/2024

SOFR + 4.75 %

9.60 %

4,044

4,059

0.3 %

First-lien loan (GBP 7,095 par, due 4/2031 )

4/29/2024

S + 5.00 %

9.97 %

8,782

9,482
(GBP
7,069 )

0.6 %

ExtraHop Networks, Inc. (3)(5)

First-lien loan ($ 72,593 par, due 7/2027 )

7/22/2021

SOFR + 7.60 %

12.45 %

71,788

72,409

4.5 %

ForeScout Technologies, Inc. (3)

First-lien loan ($ 5,611 par, due 5/2030 )

5/24/2024

SOFR + 5.00 %

10.07 %

5,553

5,563

0.3 %

Galileo Parent, Inc. (3)

First-lien loan ($ 64,255 par, due 5/2030 )

5/3/2023

SOFR + 7.25 %

11.85 %

62,594

64,897

4.1 %

First-lien revolving loan ($ 6,923 par, due 5/2030 )

5/3/2023

SOFR + 7.25 %

11.87 %

6,692

7,024

0.4 %

Lynx BidCo (3)(4)

First-lien loan ($ 1,400 par, due 7/2031 )

7/5/2024

SOFR + 7.11 %

12.42 % (incl. 5.61 % PIK)

1,362

1,360

0.1 %

First-lien loan (EUR 589 par, due 7/2031 )

7/5/2024

E + 7.11 %

10.81 % (incl. 5.61 % PIK)

623

645
(EUR
578 )

0.0 %

Mitnick Corporate Purchaser, Inc. (3)(9)

First-lien loan ($ 327 par, due 5/2029 )

5/2/2022

SOFR + 4.50 %

9.85 %

327

290

0.0 %

Netwrix Corp. (3)

First-lien loan ($ 46,126 par, due 6/2029 )

6/9/2022

SOFR + 5.50 %

10.56 %

45,618

46,126

2.9 %

OutSystems Luxco SARL (3)(4)(5)

First-lien loan (EUR 3,004 par, due 12/2028 )

12/8/2022

E + 5.75 %

9.13 %

3,116

3,408
(EUR
3,054 )

0.2 %

Price Fx Inc. (3)(4)

First-lien loan (EUR 910 par, due 10/2029 )

10/27/2023

E + 7.00 %

10.69 %

965

1,016
(EUR
910 )

0.1 %

USA DeBusk, LLC (3)

First-lien loan ($ 6,916 par, due 4/2031 )

4/30/2024

SOFR + 5.25 %

9.87 %

6,801

6,848

0.4 %

First-lien revolving loan ($ 472 par, due 4/2030 )

4/30/2024

SOFR + 5.25 %

9.97 %

460

465

0.0 %

Wrangler TopCo, LLC (3)

First-lien loan ($ 5,498 par, due 9/2029 )

7/7/2023

SOFR + 6.00 %

10.92 %

5,378

5,567

0.3 %

470,562

481,060

30.0 %

Chemicals

Erling Lux Bidco SARL (3)(4)

First-lien loan (EUR 7,239 par, due 9/2028 )

9/6/2022

E + 7.00 %

10.64 %

6,899

8,286
(EUR
7,425 )

0.6 %

First-lien loan (GBP 15,192 par, due 9/2028 )

9/6/2022

S + 7.00 %

11.95 %

17,427

20,633
(GBP
15,382 )

1.3 %

First-lien revolving loan (GBP 312 par, due 9/2028 )

9/6/2022

S + 7.00 %

11.95 %

378

423
(GBP
316 )

0.0 %

First-lien loan (NOK 7,426 par, due 9/2028 )

9/6/2022

N + 7.00 %

11.77 %

710

714
(NOK
7,520 )

0.0 %

25,414

30,056

1.9 %

Communications

Aurelia Netherlands MidCo 2 B.V. (3)(4)

First-lien loan (EUR 32,904 par, due 5/2031 )

5/22/2024

E + 5.75 %

9.55 %

34,896

36,722
(EUR
32,904 )

2.3 %

Babylon Finco Limited (3)(4)

First-lien loan ($ 1,557 par, due 1/2031 )

1/26/2024

SOFR + 6.25 %

11.53 %

1,510

1,534

0.0 %

Banyan Software Holdings, LLC (3)(4)

First-lien loan ($ 39,486 par, due 10/2026 )

1/27/2023

SOFR + 7.35 %

12.20 %

38,763

40,275

2.5 %

First-lien loan ($ 6,478 par, due 10/2026 )

1/26/2024

SOFR + 6.25 %

11.12 %

6,266

6,428

0.4 %

Celtra Technologies, Inc. (3)(5)

First-lien loan ($ 26,612 par, due 11/2026 )

11/19/2021

SOFR + 5.75 %

11.00 %

26,203

26,612

1.7 %

107,638

111,571

6.9 %

Education

Astra Acquisition Corp. (3)(14)

Second-lien loan ($ 40,302 par, due 10/2029 )

10/22/2021

SOFR + 9.14 %

13.74 %

39,703

12,796

0.8 %

Destiny Solutions Parent Holding Company (3)(5)

First-lien loan ($ 59,100 par, due 6/2026 )

6/8/2021

SOFR + 5.60 %

10.45 %

58,614

58,952

3.7 %

EMS Linq, Inc. (3)

First-lien loan ($ 56,216 par, due 12/2027 )

12/22/2021

SOFR + 6.35 %

11.41 %

55,533

55,232

3.5 %

First-lien revolving loan ($ 3,338 par, due 12/2027 )

12/22/2021

SOFR + 6.35 %

11.41 %

3,243

3,184

0.2 %

Kangaroo Bidco AS (3)(4)

First-lien loan ($ 30,625 par, due 11/2030 )

11/2/2023

SOFR + 7.00 %

12.29 %

29,769

31,237

2.0 %

7


186,862

161,401

10.2 %

Electronics

Saphire Borrower Buyer, Inc. (3)

First-lien loan ($ 26,757 par, due 9/2031 )

9/30/2024

SOFR + 5.00 %

9.25 %

26,457

26,457

1.7 %

Financial Services

Alaska Bidco Oy (3)(4)

First-lien loan (EUR 727 par, due 5/2030 )

5/30/2023

E + 5.75 %

9.10 %

758

822
(EUR
737 )

0.1 %

BCTO Bluebill Buyer, Inc. (3)(5)

First-lien loan ($ 29,606 par, due 7/2029 )

7/20/2023

SOFR + 6.25 %

11.50 %

28,714

29,606

1.9 %

BlueSnap, Inc. (3)(5)

First-lien loan ($ 43,973 par, due 8/2025 )

10/25/2019

SOFR + 9.15 %

13.75 %

43,742

43,625

2.7 %

BTRS Holdings, Inc. (3)

First-lien loan ($ 48,503 par, due 12/2028 )

12/16/2022

SOFR + 8.00 %

12.86 %

47,552

48,988

3.1 %

First-lien revolving loan ($ 1,807 par, due 12/2028 )

12/16/2022

SOFR + 7.25 %

12.31 %

1,706

1,855

0.1 %

CLGF Holdco 2, LLC (3)(4)

First-lien loan ($ 3,916 par, due 11/2027 )

11/7/2023

SOFR + 8.50 %

13.10 %

3,856

3,926

0.2 %

Second-lien loan ($ 3,357 par, due 11/2028 )

11/7/2023

SOFR + 12.00 %

16.60 %

3,141

3,373

0.2 %

Fullsteam Operations, LLC (3)

First-lien loan ($ 38,680 par, due 11/2029 )

11/27/2023

SOFR + 8.40 %

13.46 %

37,569

38,872

2.4 %

GreenShoot BidCo B.V (3)(4)

First-lien loan (EUR 5,107 par, due 5/2030 )

5/28/2024

E + 5.75 %

9.27 %

5,409

5,623
(EUR
5,038 )

0.4 %

Ibis Intermediate Co. (3)(5)

First-lien loan ($ 1,189 par, due 5/2027 )

5/28/2021

SOFR + 4.65 %

9.71 %

1,155

1,192

0.1 %

Ibis US Blocker Co. (3)

First-lien loan ($ 17,688 par, due 5/2028 )

5/28/2021

SOFR + 8.40 %

13.46 % PIK

17,500

17,821

1.1 %

Kyriba Corp. (3)

First-lien loan ($ 38,077 par, due 4/2028 )

12/21/2023

SOFR + 8.50 %

13.10 % (incl. 8.50 % PIK)

37,438

38,888

2.4 %

First-lien loan (EUR 11,672 par, due 4/2028 )

12/21/2023

E + 8.50 %

11.85 % (incl. 8.50 % PIK)

12,622

13,288
(EUR
11,906 )

0.8 %

Passport Labs, Inc.

First-lien loan ($ 24,995 , par, due 4/2026 ) (3)

4/28/2021

SOFR + 8.40 %

13.46 %

24,900

24,995

1.6 %

Convertible Promissory Note A ($ 1,086 par, due 8/2026 )

3/2/2023

8.00 %

8.00 %

1,086

1,577

0.1 %

Ping Identity Holding Corp. (3)

First-lien loan ($ 22,727 par, due 10/2029 )

10/17/2022

SOFR + 6.75 %

11.35 %

22,276

22,955

1.4 %

TradingScreen, Inc. (3)(5)

First-lien loan ($ 49,823 par, due 4/2027 )

4/30/2021

SOFR + 6.35 %

11.60 %

49,096

49,698

3.1 %

Volante Technologies, Inc.

First-lien loan ($ 2,948 par, due 9/2028 )

9/29/2023

16.50 %

16.50 % PIK

2,924

3,021

0.2 %

341,444

350,125

21.9 %

Healthcare

BCTO Ace Purchaser, Inc. (3)

First-lien loan ($ 69,324 par, due 11/2027 ) (5)

11/23/2020

SOFR + 7.45 %

12.51 %

68,595

70,364

4.4 %

Second-lien loan ($ 6,338 par, due 1/2030 )

1/23/2023

SOFR + 10.70 %

15.98 % PIK

6,224

6,480

0.4 %

Edge Bidco B.V. (3)(4)(5)

First-lien loan (EUR 5,947 par, due 2/2029 )

2/24/2023

E + 6.75 %

10.10 %

6,210

6,772
(EUR
6,068 )

0.4 %

Merative L.P. (3)(5)

First-lien loan ($ 70,103 par, due 6/2028 )

6/30/2022

SOFR + 7.25 %

11.86 %

68,454

69,753

4.4 %

Raptor US Buyer II Corp. (3)(5)

First-lien loan ($ 18,179 par, due 3/2029 )

3/24/2023

SOFR + 6.25 %

11.16 %

17,714

18,368

1.1 %

SL Buyer Corp. (3)(5)

First-lien loan ($ 32,759 par, due 7/2029 )

7/7/2023

SOFR + 7.75 %

13.00 %

31,559

32,562

2.0 %

198,756

204,299

12.7 %

Hotel, Gaming and Leisure

ASG II, LLC (3)(5)

First-lien loan ($ 65,000 par, due 5/2028 )

5/25/2022

SOFR + 6.40 %

11.65 %

63,920

65,000

4.1 %

Equinox Holdings, Inc.

First-lien loan ($ 49,073 par, due 3/2029 ) (3)

3/8/2024

SOFR + 8.25 %

12.85 % (incl. 4.13 % PIK)

48,396

48,950

3.1 %

Second-lien loan ($ 2,256 par, due 6/2027 )

3/13/2024

16.00 %

16.00 % PIK

2,203

2,296

0.1 %

IRGSE Holding Corp. (3)(6)

First-lien loan ($ 30,261 par, due 6/2025 )

12/21/2018

SOFR + 9.65 %

14.26 %

28,594

30,034

1.9 %

First-lien revolving loan ($ 35,332 par, due 6/2025 )

12/21/2018

SOFR + 9.65 %

14.65 %

35,332

35,062

2.2 %

Sports Alliance GmbH (3)(4)

First-lien loan (EUR 4,448 par, due 4/2030 )

4/10/2024

E + 7.25 %

10.74 % (incl. 3.88 % PIK)

4,659

4,880
(EUR
4,372 )

0.3 %

183,104

186,222

11.7 %

Human Resource Support Services

Axonify, Inc. (3)(4)(5)

First-lien loan ($ 43,702 par, due 5/2027 )

5/5/2021

SOFR + 7.65 %

12.89 %

43,225

43,928

2.7 %

bswift, LLC (3)(5)

First-lien loan ($ 44,022 par, due 11/2028 )

11/7/2022

SOFR + 6.38 %

11.68 %

43,081

44,573

2.8 %

Elysian Finco Ltd. (3)(4)(5)

First-lien loan ($ 21,289 par, due 1/2028 )

1/31/2021

SOFR + 6.65 %

11.55 %

20,987

21,662

1.4 %

First-lien revolving loan (GBP 812 par, due 1/2028 )

1/31/2021

S + 5.00 %

9.95 %

1,048

1,072
(GBP
799 )

0.1 %

Employment Hero Holdings Pty Ltd. (3)(4)

First-lien loan (AUD 50,000 par, due 12/2026 )

12/6/2021

B + 6.25 %

10.73 %

34,932

34,688
(AUD
50,000 )

2.2 %

HireVue, Inc. (3)

First-lien loan ($ 53,707 par, due 5/2029 )

5/3/2023

SOFR + 7.25 %

12.50 %

52,412

54,378

3.4 %

8


First-lien revolving loan ($ 2,804 par, due 5/2029 )

5/3/2023

SOFR + 7.25 %

12.38 %

2,651

2,890

0.2 %

Madcap Software, Inc. (3)(5)

First-lien loan ($ 32,256 par, due 12/2026 )

12/15/2023

SOFR + 6.10 %

10.35 %

31,687

31,934

2.0 %

PageUp People, Ltd. (3)(4)(5)

First-lien loan (AUD 11,851 par, due 12/2025 )

1/11/2018

B + 5.00 %

9.36 %

8,967

8,222
(AUD
11,851 )

0.5 %

First-lien loan (GBP 2,737 par, due 12/2025 )

10/28/2021

S + 5.03 %

9.98 %

3,772

3,672
(GBP
2,737 )

0.2 %

First-lien loan ($ 9,514 par, due 12/2025 )

10/28/2021

SOFR + 5.10 %

9.95 %

9,509

9,514

0.6 %

PayScale Holdings, Inc. (3)(5)

First-lien loan ($ 70,648 par, due 5/2027 )

5/3/2019

SOFR + 5.85 %

10.45 %

70,352

71,178

4.5 %

PrimePay Intermediate, LLC (3)(5)

First-lien loan ($ 34,112 par, due 12/2026 )

12/17/2021

SOFR + 7.15 %

12.05 %

33,565

34,112

2.1 %

356,188

361,823

22.7 %

Insurance

Disco Parent, Inc. (3)

First-lien loan ($ 4,545 par, due 3/2029 )

3/30/2023

SOFR + 7.50 %

12.56 %

4,452

4,595

0.3 %

Internet Services

Arrow Buyer, Inc. (3)

First-lien loan ($ 35,032 par, due 7/2030 )

6/30/2023

SOFR + 5.75 %

10.35 %

34,211

35,235

2.2 %

Bayshore Intermediate #2, L.P. (3)

First-lien loan ($ 39,636 par, due 10/2028 )

10/1/2021

SOFR + 7.85 %

13.13 % PIK

39,169

39,636

2.5 %

Coupa Holdings, LLC (3)

First-lien loan ($ 43,083 par, due 2/2030 )

2/27/2023

SOFR + 5.50 %

10.75 %

42,160

43,831

2.7 %

CrunchTime Information, Systems, Inc. (3)(5)

First-lien loan ($ 59,049 par, due 6/2028 )

6/17/2022

SOFR + 5.75 %

10.81 %

58,176

59,197

3.7 %

EDB Parent, LLC (3)(5)

First-lien loan ($ 68,123 par, due 7/2028 )

7/7/2022

SOFR + 6.75 %

11.81 %

67,038

67,612

4.2 %

Higher Logic, LLC (3)(5)

First-lien loan ($ 50,775 par, due 1/2025 )

6/18/2018

SOFR + 6.75 %

11.35 %

50,726

51,027

3.2 %

Hippo XPA Bidco AB (3)(4)

First-lien loan (SEK 79,513 par, due 2/2031 )

2/20/2024

STIBOR + 6.50 %

9.92 % (incl. 3.50 % PIK)

7,486

7,771
(SEK
78,777 )

0.5 %

First-lien loan (EUR 2,450 par, due 2/2031 )

2/20/2024

E + 6.50 %

9.87 % (incl. 3.50 % PIK)

2,577

2,714
(EUR
2,432 )

0.2 %

LeanTaaS Holdings, Inc. (3)(5)

First-lien loan ($ 54,116 par, due 7/2028 )

7/12/2022

SOFR + 7.50 %

12.10 %

53,301

54,252

3.4 %

Lithium Technologies, LLC (3)(14)

First-lien loan ($ 61,483 par, due 1/2025 )

10/3/2017

SOFR + 9.00 %

14.26 % (incl. 4.50 % PIK)

61,483

31,356

2.0 %

Lucidworks, Inc. (3)(5)

First-lien loan ($ 9,345 par, due 2/2027 )

2/11/2022

SOFR + 7.50 %

12.35 % (incl. 3.50 % PIK)

9,345

9,345

0.5 %

Merit Software Finance Holdings, LLC (3)

First-lien loan ($ 39,286 par, due 6/2029 )

6/20/2024

SOFR + 7.50 %

12.42 %

37,999

38,186

2.4 %

Piano Software, Inc. (3)(5)

First-lien loan ($ 53,804 par, due 2/2026 )

2/25/2021

SOFR + 7.85 %

12.70 %

53,403

53,804

3.4 %

SMA Technologies Holdings, LLC (3)(5)

First-lien loan ($ 36,833 par, due 10/2028 )

10/31/2022

SOFR + 6.75 %

12.00 %

35,623

37,570

2.4 %

552,697

531,536

33.3 %

Manufacturing

Aptean, Inc. (3)

First-lien loan ($ 8,260 par, due 1/2031 )

1/30/2024

SOFR + 5.25 %

10.10 %

8,172

8,235

0.5 %

ASP Unifrax Holdings, Inc. (9)

First lien loan ($ 3,408 par, due 9/2029 ) (3)

9/30/2024

SOFR + 7.75 %

12.35 % (incl. 4.75 % PIK)

3,331

3,417

0.2 %

Second-lien note ($ 1,993 par, due 9/2029 )

8/31/2023

7.10 %

7.10 % (incl. 1.25 % PIK)

1,488

1,355

0.1 %

Avalara, Inc. (3)

First-lien loan ($ 38,636 par, due 10/2028 )

10/19/2022

SOFR + 6.25 %

10.85 %

37,848

39,168

2.5 %

Heritage Environmental Services, Inc. (3)

First-lien loan ($ 12,315 par, due 1/2031 )

1/31/2024

SOFR + 5.50 %

10.75 %

12,250

12,421

0.8 %

First-lien loan ($ 1,329 par, due 1/2031 )

1/31/2024

SOFR + 5.00 %

9.64 %

1,322

1,329

0.1 %

Skylark UK DebtCo Limited (3)(4)

First-lien loan ($ 16,340 par, due 9/2030 )

9/7/2023

SOFR + 5.75 %

10.35 %

15,938

16,421

1.0 %

First-lien loan (EUR 4,851 par, due 9/2030 )

9/7/2023

E + 5.75 %

9.10 %

5,066

5,441
(EUR
4,875 )

0.3 %

First-lien loan (GBP 16,640 par, due 9/2030 )

9/7/2023

S + 5.75 %

10.76 %

20,092

22,468
(GBP
16,750 )

1.4 %

Varinem German BidCo GMBH (3)(4)

First-lien loan (EUR 12,696 par, due 7/2031 )

7/11/2024

E + 6.00 %

9.67 %

13,677

14,079
(EUR
12,615 )

0.9 %

119,184

124,334

7.8 %

Office Products

USR Parent, Inc. (3)(5)

ABL FILO term loan ($ 15,500 par, due 4/2027 )

4/25/2022

SOFR + 6.50 %

11.70 %

15,261

15,461

1.0 %

Oil, Gas and Consumable Fuels

Laramie Energy, LLC (3)

First-lien loan ($ 27,317 par, due 2/2027 )

2/21/2023

SOFR + 7.10 %

11.95 %

26,991

27,659

1.7 %

Mach Natural Resources LP (3)(4)

First-lien loan ($ 4,750 par, due 12/2026 )

12/28/2023

SOFR + 6.65 %

11.25 %

4,677

4,750

0.3 %

Murchison Oil and Gas, LLC (3)

First-lien loan ($ 20,381 par, due 6/2026 )

6/30/2022

SOFR + 8.40 %

13.13 %

20,158

20,840

1.3 %

TRP Assets, LLC (3)

First-lien loan ($ 65,000 par, due 12/2025 )

12/3/2021

SOFR + 7.76 %

12.37 %

64,610

66,300

4.2 %

116,436

119,549

7.5 %

Other

Omnigo Software, LLC (3)(5)

First-lien loan ($ 39,635 par, due 3/2026 )

3/31/2021

SOFR + 6.35 %

11.20 %

39,291

39,635

2.5 %

9


Scorpio Bidco (3)(4)

First-lien loan (EUR 2,511 par, due 4/2031 )

4/4/2024

E + 5.75 %

9.60 %

2,668

2,769
(EUR
2,481 )

0.2 %

41,959

42,404

2.7 %

Pharmaceuticals

Apellis Pharmaceuticals, Inc. (3)(4)

First-lien loan ($ 19,737 par, due 5/2030 )

5/13/2024

SOFR + 5.75 %

10.35 %

19,737

19,862

1.2 %

Arrowhead Pharmaceuticals, Inc. (4)

First-lien loan ($ 31,838 par, due 8/2031 )

8/7/2024

15.00 %

15.00 %

31,530

31,838

2.0 %

51,267

51,700

3.2 %

Real Estate

Cirrus (BidCo) Limited (3)(4)(5)

First-lien loan (GBP 667 par, due 8/2030 )

8/9/2024

S + 6.25 %

11.20 % ( 3.00 % PIK)

824

871
(GBP
649 )

0.1 %

Retail and Consumer Products

Acosta (3)(9)

First-lien loan ($ 13,000 par, due 8/2031 )

8/20/2024

SOFR + 5.60 %

10.73 %

12,741

12,740

0.8 %

American Achievement, Corp. (3)(14)

First-lien loan ($ 26,911 par, due 9/2026 )

9/30/2015

SOFR + 7.35 %

12.55 % ( 12.05 % PIK)

26,087

20,587

1.3 %

First-lien loan ($ 1,344 par, due 9/2026 )

6/10/2021

SOFR + 15.10 %

20.3 % ( 19.80 % PIK)

1,344

101

0.0 %

Subordinated note ($ 4,740 par, due 9/2026 )

3/16/2021

SOFR + 1.15 %

6.48 % PIK

545

71

0.0 %

Bed Bath and Beyond Inc. (3)(15)

ABL FILO term loan ($ 9,793 par, due 8/2027 )

9/2/2022

SOFR + 9.90 %

14.75 %

9,631

9,009

0.6 %

Roll Up DIP term loan ($ 24,820 par)

4/24/2023

SOFR + 7.90 %

12.75 % PIK

24,820

22,835

1.4 %

Super-Priority DIP term loan ($ 4,101 par)

4/24/2023

SOFR + 7.90 %

12.75 %

4,101

3,773

0.2 %

Belk, Inc. (3)

First-lien loan ($ 50,000 par, due 7/2029 )

7/22/2024

SOFR + 7.00 %

12.28 %

49,233

49,375

3.1 %

Cordance Operations, LLC (3)

First-lien loan ($ 56,014 par, due 7/2028 )

7/25/2022

SOFR + 9.25 %

13.55 %

55,073

56,448

3.5 %

Neuintel, LLC (3)(5)

First-lien loan ($ 55,177 par, due 12/2026 )

12/20/2021

SOFR + 7.60 %

12.45 %

54,598

55,315

3.5 %

PDI TA Holdings, Inc. (3)

First-lien loan ($ 16,092 par, due 2/2031 )

2/1/2024

SOFR + 5.25 %

10.46 %

15,813

16,092

1.0 %

Rapid Data GmbH Unternehmensberatung (3)(4)

First-lien loan (EUR 4,495 par, due 7/2029 )

7/11/2023

E + 6.25 %

9.96 %

4,707

5,090
(EUR
4,561 )

0.3 %

Tango Management Consulting, LLC (3)(5)

First-lien loan ($ 66,249 par, due 12/2027 )

12/1/2021

SOFR + 6.90 %

12.06 %

65,663

65,918

4.1 %

First-lien revolving loan ($ 2,346 par, due 12/2027 )

12/1/2021

SOFR + 6.85 %

12.01 %

2,297

2,327

0.1 %

326,653

319,681

19.9 %

Transportation

Ben Nevis Midco Limited (3)(4)

First-lien loan ($ 3,635 par, due 3/2028 )

3/26/2024

SOFR + 5.50 %

10.42 %

3,578

3,597

0.2 %

Marcura Equities LTD (3)(4)

First-lien loan ($ 32,007 par, due 8/2029 )

8/11/2023

SOFR + 7.00 %

11.60 %

31,126

32,112

2.0 %

First-lien revolving loan ($ 1,667 par, due 8/2029 )

8/11/2023

SOFR + 7.00 %

11.60 %

1,599

1,675

0.1 %

Project44, Inc. (3)(5)

First-lien loan ($ 35,007 par, due 11/2027 )

11/12/2021

SOFR + 6.40 %

11.52 %

34,212

35,007

2.2 %

Shiftmove GMBH (3)(4)(5)

First-lien loan (EUR 31,875 par, due 9/2030 )

9/30/2024

E + 6.00 %

9.35 %

34,444

34,444
(EUR
30,863 )

2.2 %

104,959

106,835

6.7 %

Total Debt Investments

3,269,950

3,270,136

204.7 %

Equity and Other Investments

Automotive

Clarience Technologies, LLC (11)(12)

Class A Units ( 333 units)

2/12/2024

820

814

0.1 %

Business Services

Artisan Topco LP (11)(12)

Class A Preferred Units ( 2,117,264 units)

11/7/2023

2,117

1,773

0.1 %

Dye & Durham, Ltd. (4)(10)

Common Shares ( 126,968 shares)

12/3/2021

3,909

1,492
(CAD
2,015 )

0.1 %

Insight Hideaway Aggregator, L.P. (11)(12)

Partnership Interest ( 329,861 units)

3/19/2024

3,299

3,299

0.3 %

Mitnick TA Aggregator, L.P. (11)

Membership Interest ( 0.43 % ownership)

5/2/2022

5,247

3,751

0.3 %

Newark FP Co-Invest, L.P. (11)(12)

Partnership ( 2,527,719 units)

11/8/2023

2,532

2,292

0.1 %

ReliaQuest, LLC (13)

Class A-1 Units ( 637,713 units) (11)

11/23/2021

1,120

1,658

0.1 %

Class A-2 Units ( 2,989 units) (11)

6/21/2022

6

9

0.0 %

Class A-3 Units ( 16,957 units) (11)(12)

11/10/2023

36

53

0.0 %

Series A Preferred Stock ( 1,667 units) (3)(12)

12/20/2023

SOFR + 12.00 %

16.59 % PIK

1,738

1,875

0.1 %

Warrants ( 90,634 warrants) (11)(12)

12/20/2023

102

126

0.0 %

Sprinklr, Inc. (10)(11)

Common Shares ( 283,499 shares)

6/24/2021

2,445

2,191

0.1 %

Warrior TopCo LP (11)

Class A Units ( 423,729 units)

7/7/2023

424

552

0.0 %

22,975

19,071

1.2 %

Communications

Celtra Technologies, Inc. (11)

Class A Units ( 1,250,000 units)

11/19/2021

1,250

1,250

0.1 %

10


IntelePeer Holdings, Inc. (11)

Series C Preferred Shares ( 1,816,295 shares)

4/8/2021

1,816

1,458

0.1 %

Series D Preferred Shares ( 1,598,874 shares)

4/8/2021

2,925

1,565

0.1 %

Series C Warrants ( 280,000 warrants)

2/28/2020

183

0.0 %

Series D Warrants ( 106,592 warrants)

4/8/2021

0.0 %

6,174

4,273

0.3 %

Education

Astra 2L Holdings II LLC (11)

Membership Interest ( 10.17 % ownership)

1/13/2022

3,255

0.0 %

EMS Linq, Inc. (11)

Class B Units ( 5,522,526 units)

12/22/2021

5,522

3,548

0.2 %

RMCF IV CIV XXXV, LP. (11)

Partnership Interest ( 11.94 % ownership)

6/8/2021

1,000

1,550

0.1 %

9,777

5,098

0.3 %

Financial Services

AF Eagle Parent, L.P. (11)(12)

Partnership ( 121,329 units)

11/27/2023

4,091

4,091

0.3 %

CLGF Holdings, L.P. (4)(11)(12)

Warrants ( 334,682 warrants)

11/7/2023

183

311

0.0 %

Newport Parent Holdings, L.P.

Class A-2 Units ( 131,569 units)

12/10/2020

4,177

15,486

1.0 %

Oxford Square Capital Corp. (4)(10)

Common Shares ( 1,620 shares)

8/5/2015

6

5

0.0 %

Passport Labs, Inc. (11)

Warrants ( 17,534 warrants)

4/28/2021

192

0.0 %

TradingScreen, Inc. (11)(13)

Class A Units ( 600,000 units)

5/14/2021

600

600

0.0 %

9,249

20,493

1.3 %

Healthcare

Caris Life Sciences, Inc. (11)

Series C Preferred Shares ( 1,915,114 shares)

10/13/2020

3,500

6,536

0.4 %

Series D Preferred Shares ( 1,240,740 shares)

5/11/2021

10,050

10,829

0.7 %

Warrants ( 633,376 warrants)

9/21/2018

191

1,141

0.1 %

Warrants ( 569,991 warrants)

4/2/2020

250

843

0.1 %

Merative Topco L.P. (11)

Class A-1 Units ( 989,691 units)

6/30/2022

9,897

9,600

0.5 %

Raptor US Buyer II Corp.

Ordinary Shares ( 20,268 shares)

3/24/2023

2,033

2,033

0.1 %

25,921

30,982

1.9 %

Hotel, Gaming and Leisure

IRGSE Holding Corp. (7)(11)

Class A Units ( 33,790,171 units)

12/21/2018

21,842

84

0.0 %

Class C-1 Units ( 8,800,000 units)

12/21/2018

100

43

0.0 %

21,942

127

0.0 %

Human Resource Support Services

Axonify, Inc. (4)(11)(13)

Class A-1 Units ( 3,780,000 units)

5/5/2021

3,780

4,848

0.3 %

bswift, LLC (11)

Class A-1 Units ( 2,393,509 units)

11/7/2022

2,393

4,380

0.3 %

DaySmart Holdings, LLC (11)

Class A Units ( 166,811 units)

12/18/2020

1,347

2,115

0.1 %

Employment Hero Holdings Pty Ltd. (4)(11)

Series E Preferred Shares ( 113,250 shares)

3/1/2022

2,134

2,893
(AUD
4,170 )

0.2 %

9,654

14,236

0.9 %

Internet Services

Bayshore Intermediate #2, L.P. (11)(13)

Co-Invest Common Units ( 8,837,008 units)

10/1/2021

8,837

10,516

0.7 %

Co-Invest 2 Common Units ( 3,493,701 units)

10/1/2021

3,494

4,158

0.3 %

Lucidworks, Inc. (11)

Series F Preferred Shares ( 199,054 shares)

8/2/2019

800

748

0.0 %

Piano Software, Inc. (11)

Series C-1 Preferred Shares ( 418,527 shares)

12/22/2021

3,000

3,000

0.2 %

Series C-2 Preferred Shares ( 27,588 shares)

11/18/2022

198

198

0.0 %

SMA Technologies Holdings, LLC (11)

Class A Units ( 1,300 units)

11/21/2022

1,300

1,589

0.1 %

Class B Units ( 923,250 units)

11/21/2022

0.0 %

17,629

20,209

1.3 %

Marketing Services

Validity, Inc. (11)

Series A Preferred Shares ( 3,840,000 shares)

5/31/2018

3,840

9,984

0.6 %

Oil, Gas and Consumable Fuels

Murchison Oil and Gas, LLC (13)

Preferred Units ( 13,355 units)

6/30/2022

13,355

15,559

1.0 %

TRP Assets, LLC (11)(13)

Partnership Interest ( 1.89 % ownership)

8/25/2022

8,784

12,517

0.8 %

22,139

28,076

1.8 %

Pharmaceuticals

TherapeuticsMD, Inc. (4)(11)

Warrants ( 14,256 warrants)

8/5/2020

1,029

0.0 %

Retail and Consumer Products

American Achievement, Corp. (11)

Class A Units ( 687 units)

3/16/2021

50

0.0 %

Copper Bidco, LLC (9)

Trust Certificates ( 996,958 Certificates)

1/30/2021

2,148

11,914

0.7 %

Neuintel, LLC (11)(13)

Class A Units ( 1,176,494 units)

12/20/2021

3,000

585

0.0 %

5,148

12,549

0.7 %

Structured Credit

11


Cedar Funding CLO Ltd, Series 2018-7A (3)(4)(9)

Structured Credit ($ 1,000 par, due 1/2031 )

7/21/2022

SOFR + 4.81 %

10.09 %

883

982

0.1 %

Dryden Senior Loan Fund, Series 2020-86A (3)(4)(9)

Structured Credit ($ 1,500 par, due 7/2034 )

8/17/2022

SOFR + 6.76 %

12.05 %

1,500

1,433

0.1 %

Voya CLO Ltd, Series 2018-3A (3)(4)(9)

Structured Credit ($ 2,750 par, due 10/2031 )

6/22/2022

SOFR + 6.01 %

11.31 %

2,460

2,612

0.1 %

4,843

5,027

0.3 %

Total Equity and Other Investments

161,140

170,939

10.7 %

Total Investments

$

3,431,090

$

3,441,075

215.4 %

Interest Rate Swaps as of September 30, 2024

Company
Receives

Company
Pays

Maturity Date

Notional
Amount

Fair
Market
Value

Upfront
(Payments) /
Receipts

Change in
Unrealized
Gains / (Losses)

Interest rate swap (a)

SOFR + 2.54 %

3.875 %

11/1/2024

$

2,500

$

$

$

Interest rate swap (a)(b)(c)(d)

3.875 %

SOFR + 2.51 %

11/1/2024

300,000

( 1,096

)

7,750

Interest rate swap (a)(b)(c)(d)

3.875 %

SOFR + 2.72 %

11/1/2024

50,000

( 194

)

1,369

Interest rate swap (a)(b)

2.50 %

SOFR + 2.17 %

8/1/2026

300,000

( 17,167

)

8,944

Interest rate swap (a)(b)

6.95 %

SOFR + 2.99 %

8/14/2028

300,000

6,743

2,063

Interest rate swap (a)(b)

6.125 %

SOFR + 2.44 %

3/1/2029

350,000

5,370

5,370

Total Hedge Accounting Swaps

1,302,500

( 6,344

)

25,496

Cash collateral

29,541

Total derivatives

$

1,302,500

$

23,197

$

$

25,496

(a)
Contains a variable rate structure. Bears interest at a rate determined by SOFR.
(b)
Instrument is used in a hedge accounting relationship. The associated change in fair value is recorded along with the change in fair value of the hedged item within interest expense.
(c)
$ 2.5 million in aggregate notional value of these instruments is no longer designated as instruments in a hedge accounting relat ionship. The associated change in fair value of the de-designated portion is recorded within unrealized gain/(loss).
(d)
The fair market value of this instrument is presented net with the $ 2.5 million in aggregate notional value of instruments no longer designated as instruments in a hedge accounting relationship.
(1)
Certain portfolio company investments are subject to contractual restrictions on sales.
(2)
The amortized cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method.
(3)
Investment contains a variable rate structure, subject to an interest rate floor. Variable rate investments bear interest at a rate that may be determined by reference to either Euro Interbank Offer Rate (“Euribor” or “E”), Secured Overnight Financing Rate (“SOFR”) which may also contain a credit spread adjustment depending on the tenor election, Bank Bill Swap Bid Rate (“BBSY” or “B”), Sterling Overnight Interbank Average Rate (“SONIA” or “S”), Stockholm Interbank Offered Rate (“STIBOR”), Norwegian Interbank Offered Rate (“NIBOR” or “N”) or an alternate base rate (which can include the Federal Funds Effective Rate or the Prime Rate or “P”), all of which include an available tenor, selected at the borrower’s option, which reset periodically based on the terms of the credit agreement. For investments with multiple interest rate contracts, the interest rate shown is the weighted average interest rate in effect at September 30, 2024 .
(4)
This portfolio company is not a qualifying asset under Section 55(a) of the Investment Company Act of 1940, as amended (the “1940 Act”). Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70 % of total assets. Non-qualifying assets represented 15.2 % of total assets as of September 30, 2024 .

12


(5)
In addition to the interest earned based on the stated interest rate of this investment, which is the amount reflected in this schedule, the Company may be entitled to receive additional interest as a result of an arrangement with other members in the syndicate to the extent an investment has been allocated to “first out” and “last out” tranches, whereby the “first out” tranche will have priority as to the “last out” tranche with respect to payments of principal, interest and any amounts due thereunder and the Company holds the “last out” tranche.
(6)
Under the 1940 Act, the Company is deemed to be both an “Affiliated Person” of and “Control,” as such terms are defined in the 1940 Act, this portfolio company, as the Company owns more than 25 % of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company (including through a management agreement). Transactions during the nine months ended September 30, 2024 in which the Company was an Affiliated Person of and was deemed to Control a portfolio company are as follows:

Controlled, Affiliated Investments during the nine months ended September 30, 2024

Company

Fair
Value at
December 31,
2023

Gross
Additions (a)

Gross
Reductions
(b)

Net Change
In Unrealized
Gain/(Loss)

Realized
Gain/(Loss)

Transfers

Fair
Value at
September 30,
2024

Other
Income

Interest
Income

IRGSE Holding Corp.

$

59,913

$

7,710

$

$

( 2,399

)

$

$

$

65,224

$

10

$

6,989

Total

$

59,913

$

7,710

$

$

( 2,399

)

$

$

$

65,224

$

10

$

6,989

(a)
Gross additions include increases in the cost basis of investments resulting from new investments, payment-in-kind interest or dividends, the amortization of any unearned income or discounts on debt investments, as applicable.
(b)
Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, and the amortization of any premiums on debt investments, as applicable. When an investment is placed on non-accrual status, any cash flows received by the Company may be applied to the outstanding principal balance.

(7)
As of September 30, 2024, the estimated cost basis of investments for U.S. federal tax purposes was $ 3,437,407 , resulting in estimated gross unrealized gains and losses of $ 190,093 and $ 197,861 , respectively.
(8)
In accordance with Financial Accounting Standards Board Accounting Standards Codification Topic 820, Fair Value Measurements (“ASC Topic 820”), unless otherwise indicated, the fair values of all investments were determined using significant unobservable inputs and are considered Level 3 investments. See Note 6 for further information related to investments at fair value.
(9)
This investment is valued using observable inputs and is considered a Level 2 investment. See Note 6 for further information related to investments at fair value.
(10)
This investment is valued using observable inputs and is considered a Level 1 investment. See Note 6 for further information related to investments at fair value.
(11)
This investment is non-income producing.
(12)
All or a portion of this security was acquired in a transaction exempt from registration under the Securities Act of 1933, and may be deemed to be “restricted securities” under the Securities Act. As of September 30, 2024, the aggregate fair value of these securities is $ 14,634 , or 0.9 % of the Company’s net assets.
(13)
Ownership of equity investments may occur through a holding company or partnership.
(14)
Investment is on non-accrual status as of September 30, 2024 .
(15)
In addition to the principal amount outstanding and accrued interest owed on this investment, the Company is entitled to a separate Make-Whole Amount (the “Make-Whole”) of $ 13.2 million. The Make-Whole is a contractual obligation of the borrower and accrues interest on the balance outstanding. The Make-Whole is included on the Company’s Consolidated Balance Sheet within other assets, net of any valuation allowance. Given uncertainty relating to collectability of the Make-Whole, the Company has applied a full valuation allowance against the amount of the Make-Whole balance outstanding.

The accompanying notes are an integral part of these consolidated financial statements.

13


Sixth Street Specialty Lending, Inc.

Consolidated Schedule of Investments as of December 31, 2023

(Amounts in thousands, except share amounts)

14


Company (1)

Investment

Initial
Acquisition
Date

Reference
Rate and
Spread

Interest Rate

Amortized
Cost
(2)(7)

Fair Value (8)

Percentage
of Net Assets

Debt Investments

Automotive

Bestpass, Inc. (3)(5)

First-lien loan ($ 44,800 par, due 5/2029 )

5/26/2023

SOFR + 5.75 %

11.11 %

$

43,571

$

44,240

3.0 %

Business Services

Acceo Solutions, Inc. (3)(4)(5)

First-lien loan (CAD 52,941 par, due 10/2025 )

7/6/2018

C + 4.75 %

10.21 %

40,026

40,150
(CAD
52,941 )

2.7 %

Alpha Midco, Inc. (3)(5)

First-lien loan ($ 68,885 par, due 8/2025 )

8/15/2019

SOFR + 7.63 %

12.97 %

68,287

69,751

4.7 %

Artisan Bidco, Inc. (3)

First-lien loan ($ 38,112 par, due 11/2029 )

11/7/2023

SOFR + 7.00 %

12.38 %

37,250

37,563

2.5 %

First-lien loan (EUR 17,735 par, due 11/2029 )

11/7/2023

E + 7.00 %

10.96 %

18,681

19,346
(EUR
17,513 )

1.3 %

BCTO Ignition Purchaser,
Inc.
(3)

First-lien holdco loan ($ 31,935 par, due 10/2030 )

4/18/2023

SOFR + 9.00 %

14.40 % PIK

31,086

31,775

2.1 %

Crewline Buyer, Inc. (3)

First-lien loan ($ 56,324 par, due 11/2030 )

11/8/2023

SOFR + 6.75 %

12.10 %

54,781

55,236

3.7 %

Dye & Durham Corp. (3)(4)

First-lien loan (CAD 37,874 par, due 12/2027 )

12/3/2021

C + 5.75 %

11.20 %

28,873

28,938
(CAD
38,158 )

1.9 %

First-lien revolving loan (CAD 1,086 par, due 12/2026 )

12/3/2021

C + 5.75 %

11.20 %

693

824
(CAD
1,086 )

0.1 %

ExtraHop Networks, Inc. (3)(5)

First-lien loan ($ 66,197 par, due 7/2027 )

7/22/2021

SOFR + 7.60 %

12.96 %

65,245

65,866

4.4 %

ForeScout Technologies, Inc. (3)

First-lien loan ($ 5,476 par, due 8/2026 )

7/1/2022

SOFR + 8.10 %

13.45 %

5,420

5,498

0.4 %

Galileo Parent, Inc. (3)

First-lien loan ($ 64,742 par, due 5/2030 )

5/3/2023

SOFR + 7.25 %

12.60 %

62,920

63,770

4.3 %

First-lien revolving loan ($ 3,317 par, due 5/2029 )

5/3/2023

SOFR + 7.25 %

12.60 %

3,048

3,166

0.2 %

Hornetsecurity Holding GmbH (3)(4)

First-lien loan (EUR 3,150 par, due 11/2029 )

11/14/2022

E + 6.50 %

10.50 %

3,154

3,536
(EUR
3,201 )

0.2 %

Information Clearinghouse, LLC and MS Market Service, LLC (3)(5)

First-lien loan ($ 17,640 par, due 12/2026 )

12/20/2021

SOFR + 6.65 %

12.02 %

17,342

17,598

1.2 %

Mitnick Corporate Purchaser, Inc. (3)(9)

First-lien loan ($ 329 par, due 5/2029 )

5/2/2022

SOFR + 4.50 %

9.98 %

329

310

0.0 %

Netwrix Corp. (3)

First-lien loan ($ 36,594 par, due 6/2029 )

6/9/2022

SOFR + 5.00 %

10.39 %

36,074

36,842

2.4 %

OutSystems Luxco SARL (3)(4)(5)

First-lien loan (EUR 3,004 par, due 12/2028 )

12/8/2022

E + 5.75 %

9.59 %

3,091

3,332
(EUR
3,016 )

0.2 %

Price Fx Inc. (3)(4)

First-lien loan (EUR 910 par, due 10/2029 )

10/27/2023

E + 7.00 %

10.94 %

962

983
(EUR
890 )

0.1 %

ReliaQuest Holdings, LLC (3)(5)

First-lien loan ($ 82,626 par, due 10/2026 )

10/8/2020

SOFR + 7.25 %

12.63 %

81,711

83,658

5.6 %

Wrangler TopCo, LLC (3)

First-lien loan ($ 4,153 par, due 7/2029 )

7/7/2023

SOFR + 7.50 %

12.88 %

4,044

4,118

0.3 %

563,017

572,260

38.3 %

Chemicals

Erling Lux Bidco SARL (3)(4)

First-lien loan (EUR 7,239 par, due 9/2028 )

9/6/2022

E + 6.75 %

10.70 %

6,954

8,053
(EUR
7,290 )

0.5 %

First-lien loan (GBP 12,287 par, due 9/2028 )

9/6/2022

S + 6.75 %

11.98 %

13,860

15,742
(GBP
12,349 )

1.1 %

First-lien revolving loan (GBP 312 par, due 9/2028 )

9/6/2022

S + 6.75 %

11.98 %

400

399
(GBP
313 )

0.0 %

21,214

24,194

1.6 %

Communications

Banyan Software Holdings, LLC (3)(4)

First-lien loan ($ 29,739 par, due 10/2026 )

1/27/2023

SOFR + 7.35 %

12.71 %

28,771

29,739

2.0 %

Celtra Technologies, Inc. (3)(5)

First-lien loan ($ 34,038 par, due 11/2026 )

11/19/2021

SOFR + 6.35 %

11.71 %

33,357

34,038

2.3 %

IntelePeer Holdings, Inc.

First-lien loan ($ 33,646 par, due 12/2024 ) (3)

12/2/2019

SOFR + 8.40 %

13.75 %

33,625

33,394

2.2 %

Convertible note ($ 4,700 par, due 5/2028 )

5/12/2021

7.50 %

7.50 % PIK

4,674

4,994

0.3 %

100,427

102,165

6.8 %

Education

Astra Acquisition Corp. (3)

Second-lien loan ($ 43,479 par, due 10/2029 )

10/22/2021

SOFR + 9.14 %

14.48 %

42,814

27,174

1.8 %

Destiny Solutions Parent Holding Company (3)(5)

First-lien loan ($ 59,550 par, due 6/2026 )

6/8/2021

SOFR + 5.85 %

11.21 %

58,858

59,252

4.0 %

EMS Linq, Inc. (3)

First-lien loan ($ 56,216 par, due 12/2027 )

12/22/2021

SOFR + 6.35 %

11.71 %

55,288

55,079

3.7 %

Kangaroo Bidco AS (3)(4)

First-lien loan ($ 25,582 par, due 11/2030 )

11/2/2023

SOFR + 7.50 %

12.94 %

24,621

24,794

1.7 %

181,581

166,299

11.2 %

Financial Services

Alaska Bidco Oy (3)(4)

First-lien loan (EUR 727 par, due 5/2030 )

5/30/2023

E + 6.25 %

10.39 %

755

796
(EUR
720 )

0.1 %

BCTO Bluebill Buyer,
Inc.
(3)(5)

First-lien loan ($ 28,640 par, due 7/2029 )

7/20/2023

SOFR + 7.25 %

12.60 %

27,635

27,996

1.9 %

BTRS Holdings, Inc. (3)

First-lien loan ($ 47,051 par, due 12/2028 )

12/16/2022

SOFR + 8.00 %

13.38 %

45,931

47,168

3.2 %

First-lien revolving loan ($ 1,205 par, due 12/2028 )

12/16/2022

SOFR + 7.25 %

12.63 %

1,085

1,217

0.1 %

Bear OpCo, LLC (3)(5)

First-lien loan ($ 21,392 par, due 10/2024 )

10/10/2019

SOFR + 7.65 %

13.01 %

21,294

21,713

1.5 %

BlueSnap, Inc. (3)(5)

First-lien loan ($ 41,895 par, due 10/2025 )

10/25/2019

SOFR + 7.15 %

12.50 %

41,516

42,117

2.8 %

CLGF Holdco 2, LLC (3)(4)

First-lien loan ($ 3,916 par, due 11/2027 )

11/7/2023

SOFR + 8.50 %

13.85 %

3,845

3,867

0.3 %

Second-lien loan ($ 3,357 par, due 11/2028 )

11/7/2023

SOFR + 12.00 %

17.35 %

3,116

3,164

0.2 %

Fullsteam Operations, LLC (3)

First-lien loan ($ 29,663 par, due 11/2029 )

11/27/2023

SOFR + 8.40 %

13.78 %

28,611

29,049

1.9 %

Ibis Intermediate Co. (3)(5)

First-lien loan ($ 1,201 par, due 5/2027 )

5/28/2021

SOFR + 4.65 %

10.04 %

1,066

1,257

0.1 %

Ibis US Blocker Co. (3)

First-lien loan ($ 15,958 par, due 5/2028 )

5/28/2021

SOFR + 8.40 %

13.79 % PIK

15,743

15,838

1.1 %

Kyriba Corp. (3)

First-lien loan ($ 35,634 par, due 4/2028 )

12/21/2023

SOFR + 8.50 %

13.87 % (incl. 8.50 % PIK)

34,875

34,871

2.3 %

15


First-lien loan (EUR 10,924 par, due 4/2028 )

12/21/2023

E + 8.50 %

12.42 % (incl. 8.50 % PIK)

11,766

11,825
(EUR
10,705 )

0.8 %

Passport Labs, Inc.

First-lien loan ($ 24,603 par, due 4/2026 ) (3)

4/28/2021

SOFR + 8.40 %

13.75 %

24,444

24,555

1.6 %

Convertible Promissory Note A ($ 1,086 par, due 8/2026 )

3/2/2023

8.00 %

8.00 %

1,086

2,025

0.1 %

Ping Identity Holding Corp. (3)

First-lien loan ($ 22,727 par, due 10/2029 )

10/17/2022

SOFR + 7.00 %

12.36 %

22,183

23,165

1.5 %

PrimeRevenue, Inc. (3)

First-lien loan ($ 9,007 par, due 12/2024 )

12/31/2018

SOFR + 7.10 %

12.46 %

8,996

9,083

0.6 %

TradingScreen, Inc. (3)(5)

First-lien loan ($ 47,198 par, due 4/2027 )

4/30/2021

SOFR + 6.35 %

11.73 %

46,360

47,080

3.1 %

Volante Technologies, Inc.

First-lien loan ($ 2,604 par, due 9/2028 )

9/29/2023

16.50 %

16.50 % PIK

2,578

2,598

0.2 %

342,885

349,384

23.4 %

Healthcare

BCTO Ace Purchaser, Inc. (3)

First-lien loan ($ 69,231 par, due 11/2027 ) (5)

11/23/2020

SOFR + 7.45 %

12.84 %

68,325

69,746

4.7 %

Second-lien loan ($ 5,623 par, due 1/2030 )

1/23/2023

SOFR + 10.70 %

16.10 %

5,493

5,637

0.4 %

Edge Bidco B.V. (3)(4)(5)

First-lien loan (EUR 3,850 par, due 2/2029 )

2/24/2023

E + 7.00 %

16.10 % (incl. 3.25 % PIK)

3,951

4,266
(EUR
3,862 )

0.3 %

Homecare Software Solutions, LLC (3)(5)

First-lien loan ($ 65,000 par, due 10/2026 )

10/6/2021

SOFR + 5.70 %

11.06 %

64,017

64,838

4.3 %

Merative L.P. (3)(5)

First-lien loan ($ 70,103 par, due 6/2028 )

6/30/2022

SOFR + 7.25 %

12.60 %

68,205

69,753

4.7 %

Raptor US Buyer II Corp. (3)

First-lien loan ($ 15,569 par, due 3/2029 )

3/24/2023

SOFR + 6.75 %

12.10 %

15,070

15,491

1.0 %

SL Buyer Corp. (3)(5)

First-lien loan ($ 31,475 par, due 7/2029 )

7/7/2023

SOFR + 7.00 %

12.36 %

30,139

30,902

2.1 %

255,200

260,633

17.5 %

Hotel, Gaming and Leisure

ASG II, LLC (3)(5)

First-lien loan ($ 61,609 par, due 5/2028 )

5/25/2022

SOFR + 6.40 %

11.77 %

60,383

61,934

4.1 %

IRGSE Holding Corp. (3)(6)

First-lien loan ($ 30,261 par, due 6/2024 )

12/21/2018

SOFR + 9.65 %

15.00 %

28,594

30,109

2.0 %

First-lien revolving loan ($ 27,622 par, due 6/2024 )

12/21/2018

SOFR + 9.65 %

15.03 %

27,622

27,480

1.8 %

116,599

119,523

7.9 %

Human Resource Support Services

Axonify, Inc. (3)(4)(5)

First-lien loan ($ 41,607 par, due 5/2027 )

5/5/2021

SOFR + 7.65 %

13.04 %

41,035

41,718

2.7 %

bswift, LLC (3)(5)

First-lien loan ($ 44,358 par, due 11/2028 )

11/7/2022

SOFR + 6.63 %

12.03 %

43,236

44,802

3.0 %

Elysian Finco Ltd. (3)(4)(5)

First-lien loan ($ 19,519 par, due 1/2028 )

1/31/2021

SOFR + 6.65 %

12.03 % (incl. 6.50 % PIK)

19,112

19,987

1.3 %

Employment Hero Holdings Pty Ltd. (3)(4)

First-lien loan (AUD 50,000 par, due 12/2026 )

12/6/2021

B + 6.25 %

10.67 %

34,834

34,117
(AUD
50,000 )

2.3 %

HireVue, Inc. (3)

First-lien loan ($ 54,113 par, due 5/2029 )

5/3/2023

SOFR + 7.25 %

12.63 %

52,478

53,808

3.6 %

Madcap Software, Inc. (3)(5)

First-lien loan ($ 32,500 par, due 12/2026 )

12/15/2023

SOFR + 6.10 %

11.46 %

31,713

31,769

2.1 %

PageUp People, Ltd. (3)(4)(5)

First-lien loan (AUD 13,400 par, due 12/2025 )

1/11/2018

B + 5.00 %

9.36 %

10,114

9,143
(AUD
13,400 )

0.6 %

First-lien loan (GBP 3,104 par, due 12/2025 )

10/28/2021

S + 5.03 %

10.22 %

4,276

3,957
(GBP
3,104 )

0.3 %

First-lien loan ($ 10,557 par, due 12/2025 )

10/28/2021

SOFR + 5.10 %

10.45 %

10,549

10,557

0.7 %

PayScale Holdings, Inc. (3)(5)

First-lien loan ($ 71,196 par, due 5/2027 )

5/3/2019

SOFR + 6.35 %

11.70 %

70,826

71,374

4.8 %

PrimePay Intermediate, LLC (3)(5)

First-lien loan ($ 34,375 par, due 12/2026 )

12/17/2021

SOFR + 7.15 %

12.54 %

33,672

34,375

2.3 %

351,845

355,607

23.7 %

Insurance

Disco Parent, Inc. (3)

First-lien loan ($ 4,545 par, due 3/2029 )

3/30/2023

SOFR + 7.50 %

12.89 %

4,436

4,533

0.3 %

Internet Services

Arrow Buyer, Inc. (3)

First-lien loan ($ 33,125 par, due 7/2030 )

6/30/2023

SOFR + 6.50 %

11.85 %

32,249

32,820

2.2 %

Bayshore Intermediate #2, L.P. (3)

First-lien loan ($ 36,629 par, due 10/2028 )

10/1/2021

SOFR + 7.60 %

12.96 % PIK

36,129

36,446

2.4 %

First-lien revolving loan ($ 480 par, due 10/2027 )

10/1/2021

SOFR + 6.60 %

12.01 %

446

468

0.0 %

Coupa Holdings, LLC (3)

First-lien loan ($ 43,191 par, due 2/2030 )

2/27/2023

SOFR + 7.50 %

12.86 %

42,135

43,441

2.9 %

CrunchTime Information, Systems, Inc. (3)(5)

First-lien loan ($ 59,500 par, due 6/2028 )

6/17/2022

SOFR + 6.00 %

11.36 %

58,477

59,947

4.0 %

EDB Parent, LLC (3)(5)

First-lien loan ($ 63,508 par, due 7/2028 )

7/7/2022

SOFR + 6.75 %

12.10 %

62,301

63,032

4.2 %

Higher Logic, LLC (3)(5)

First-lien loan ($ 52,937 par, due 1/2025 )

6/18/2018

SOFR + 6.75 %

12.10 %

52,781

53,069

3.5 %

LeanTaaS Holdings, Inc. (3)(5)

First-lien loan ($ 36,966 par, due 7/2028 )

7/12/2022

SOFR + 7.50 %

12.85 %

36,190

37,411

2.5 %

Lithium Technologies, LLC (3)

First-lien loan ($ 57,665 par, due 1/2025 )

10/3/2017

SOFR + 9.00 %

14.39 % (incl. 4.50 % PIK)

57,673

56,367

3.8 %

Lucidworks, Inc. (3)(5)

First-lien loan ($ 8,912 par, due 2/2027 )

2/11/2022

SOFR + 7.50 %

12.86 % (incl. 3.50 % PIK)

8,912

8,912

0.6 %

Piano Software, Inc. (3)(5)

First-lien loan ($ 50,889 par, due 2/2026 )

2/25/2021

SOFR + 7.10 %

12.45 %

50,282

50,508

3.3 %

SMA Technologies Holdings, LLC (3)(5)

First-lien loan ($ 36,833 par, due 10/2028 )

10/31/2022

SOFR + 6.75 %

12.11 %

35,459

37,110

2.5 %

473,034

479,531

31.9 %

Manufacturing

ASP Unifrax Holdings, Inc. (9)

First-lien loan ($ 1,130 par, due 12/2025 ) (3)

8/25/2023

SOFR + 3.90 %

9.25 %

1,053

1,051

0.1 %

First-lien loan (EUR 1,023 par, due 12/2025 ) (3)

9/14/2023

E + 3.75 %

7.68 %

998

1,030
(EUR
932 )

0.1 %

Secured Note ($ 91 par, due 9/2028 )

12/19/2023

5.25 %

5.25 %

62

66

0.0 %

Unsecured Note ($ 1,059 par, due 9/2029 )

8/31/2023

7.50 %

7.50 %

570

540

0.0 %

Avalara, Inc. (3)

First-lien loan ($ 38,636 par, due 10/2028 )

10/19/2022

SOFR + 7.25 %

12.60 %

37,736

38,743

2.6 %

Skylark UK DebtCo Limited (3)(4)

First-lien loan ($ 16,340 par, due 9/2030 )

9/7/2023

SOFR + 6.25 %

11.60 %

15,722

15,812

1.1 %

16


First-lien loan (EUR 4,851 par, due 9/2030 )

9/7/2023

E + 6.25 %

10.18 %

5,055

5,238
(EUR
4,742 )

0.4 %

First-lien loan (GBP 16,640 par, due 9/2030 )

9/7/2023

S + 6.25 %

11.52 %

20,207

20,735
(GBP
16,265 )

1.4 %

81,403

83,215

5.7 %

Office Products

USR Parent, Inc. (3)(5)

ABL FILO term loan ($ 17,000 par, due 4/2027 )

4/25/2022

SOFR + 6.50 %

11.84 %

16,703

16,914

1.1 %

Oil, Gas and Consumable Fuels

Laramie Energy, LLC (3)

First-lien loan ($ 27,317 par, due 2/2027 )

2/21/2023

SOFR + 7.10 %

12.46 %

26,768

27,142

1.8 %

Mach Natural Resources LP (3)(4)

First-lien loan ($ 5,000 par, due 12/2026 )

12/28/2023

SOFR + 6.65 %

12.00 %

4,900

4,900

0.3 %

Murchison Oil and Gas, LLC (3)

First-lien loan ($ 27,849 par, due 6/2026 )

6/30/2022

SOFR + 8.65 %

14.00 %

27,453

28,267

1.9 %

TRP Assets, LLC (3)

First-lien loan ($ 65,000 par, due 12/2025 )

12/3/2021

SOFR + 7.76 %

13.11 %

64,372

66,980

4.5 %

123,493

127,289

8.5 %

Other

Omnigo Software, LLC (3)(5)

First-lien loan ($ 39,943 par, due 3/2026 )

3/31/2021

SOFR + 6.60 %

11.96 %

39,440

39,743

2.7 %

Retail and Consumer Products

99 Cents Only Stores LLC (3)

ABL FILO term loan ($ 25,000 par, due 5/2025 )

9/6/2017

SOFR + 8.65 %

14.03 %

24,868

25,000

1.7 %

American Achievement, Corp. (3)(14)

First-lien loan ($ 27,046 par, due 9/2026 )

9/30/2015

SOFR + 6.35 %

11.19 % PIK

26,219

20,488

1.4 %

First-lien loan ($ 1,352 par, due 9/2026 )

6/10/2021

SOFR + 14.10 %

18.94 % PIK

1,352

101

0.0 %

Subordinated note ($ 4,740 par, due 9/2026 )

3/16/2021

SOFR + 1.15 %

6.54 % PIK

545

71

0.0 %

Bed Bath and Beyond Inc. (3)(15)

ABL FILO term loan ($ 14,065 par, due 8/2027 )

9/2/2022

SOFR + 9.90 %

15.26 %

13,787

13,468

0.9 %

Roll Up DIP term loan ($ 25,931 par, due 9/2024 )

4/24/2023

SOFR + 7.90 %

13.26 % (incl. 13.26 % PIK)

25,931

24,828

1.7 %

Super-Priority DIP term loan ($ 4,739 par, due 9/2024 )

4/24/2023

SOFR + 7.90 %

13.26 %

4,739

4,538

0.3 %

Cordance Operations, LLC (3)

First-lien loan ($ 49,543 par, due 7/2028 )

7/25/2022

SOFR + 9.25 %

14.66 %

48,641

49,801

3.2 %

Neuintel, LLC (3)(5)

First-lien loan ($ 57,701 par, due 12/2026 )

12/20/2021

SOFR + 7.65 %

13.03 %

56,923

58,134

3.9 %

Rapid Data GmbH Unternehmensberatung (3)(4)

First-lien loan (EUR 4,495 par, due 7/2029 )

7/11/2023

E + 6.50 %

10.48 %

4,676

4,853
(EUR
4,393 )

0.3 %

Tango Management Consulting, LLC (3)(5)

First-lien loan ($ 57,007 par, due 12/2027 )

12/1/2021

SOFR + 6.85 %

12.20 %

56,247

56,703

3.8 %

263,928

257,985

17.2 %

Transportation

Project44, Inc. (3)(5)

First-lien loan ($ 35,139 par, due 11/2027 )

11/12/2021

SOFR + 6.40 %

11.78 %

34,139

35,001

2.3 %

Marcura Equities LTD (3)(4)

First-lien loan ($ 32,007 par, due 8/2029 )

8/11/2023

SOFR + 7.00 %

12.18 %

31,020

31,482

2.1 %

First-lien revolving loan ($ 1,667 par, due 8/2029 )

8/11/2023

SOFR + 7.00 %

12.18 %

1,589

1,625

0.1 %

66,748

68,108

4.5 %

Total Debt Investments

3,045,524

3,071,623

205.3 %

Equity and Other Investments

Business Services

Artisan Topco LP (11)(12)

Class A Preferred Units ( 2,117,264 units)

11/7/2023

2,117

2,117

0.1 %

Newark FP Co-Invest, L.P. (11)(12)

Partnership ( 2,527,719 units)

11/8/2023

2,532

2,532

0.2 %

Dye & Durham, Ltd. (4)(10)

Common Shares ( 126,968 shares)

12/3/2021

3,909

1,383
(CAD
1,823 )

0.1 %

Mitnick TA Aggregator, L.P. (11)

Membership Interest ( 0.43 % ownership)

5/2/2022

5,243

4,496

0.3 %

ReliaQuest, LLC (13)

Class A-1 Units ( 637,713 units) (11)

11/23/2021

1,120

1,414

0.1 %

Class A-2 Units ( 2,989 units) (11)

6/21/2022

6

8

0.0 %

Class A-3 Units ( 16,957 units) (11)(12)

11/10/2023

36

46

0.0 %

Series A Preferred Stock ( 1,667 Units) (12)

12/20/2023

1,502

1,504

0.1 %

90,634 Warrants (11)(12)

12/20/2023

102

102

0.0 %

Sprinklr, Inc. (10)(11)

Common Shares ( 315,005 shares)

6/24/2021

2,716

3,793

0.3 %

Warrior TopCo LP (11)(12)

Class A Units ( 423,728 units)

7/7/2023

424

424

0.0 %

19,707

17,819

1.2 %

Communications

Celtra Technologies, Inc. (11)

Class A Units ( 1,250,000 units)

11/19/2021

1,250

1,250

0.1 %

IntelePeer Holdings, Inc. (11)

Series C Preferred Shares ( 1,816,295 shares)

4/8/2021

1,816

1,957

0.1 %

Series D Preferred Shares ( 1,598,874 shares)

4/8/2021

2,925

2,099

0.1 %

280,000 Series C Warrants

2/28/2020

183

0.0 %

106,592 Series D Warrants

4/8/2021

0.0 %

6,174

5,306

0.3 %

Education

Astra 2L Holdings II LLC (11)

Membership Interest ( 10.17 % ownership)

1/13/2022

3,255

309

0.0 %

EMS Linq, Inc. (11)

Class B Units ( 5,522,526 units)

12/22/2021

5,522

4,762

0.4 %

RMCF IV CIV XXXV, LP. (11)

Partnership Interest ( 11.94 % ownership)

6/8/2021

1,000

1,455

0.1 %

9,777

6,526

0.5 %

17


Financial Services

AF Eagle Parent, L.P. (11)(12)

Partnership ( 121,329 units)

11/27/2023

4,091

4,091

0.3 %

CLGF Holdco 2, LLC (4)(11)(12)

334,682 Warrants

11/7/2023

183

183

0.0 %

Newport Parent Holdings, L.P. (11)

Class A-2 Units ( 131,569 units)

12/10/2020

4,177

11,591

0.8 %

Oxford Square Capital Corp. (4)(10)

Common Shares ( 1,620 shares)

8/5/2015

6

5

0.0 %

Passport Labs, Inc. (11)

17,534 Warrants

4/28/2021

192

0.0 %

TradingScreen, Inc. (11)(13)

Class A Units ( 600,000 units)

5/14/2021

600

600

0.0 %

9,249

16,470

1.1 %

Healthcare

Caris Life Sciences, Inc. (11)

Series C Preferred Shares ( 1,915,114 shares)

10/13/2020

3,500

6,676

0.4 %

Series D Preferred Shares ( 1,240,740 shares)

5/11/2021

10,050

9,899

0.7 %

633,376 Warrants

9/21/2018

192

1,187

0.1 %

569,991 Warrants

4/2/2020

250

885

0.1 %

Merative Topco L.P. (11)

989,691 Class A-1 Units

6/30/2022

9,897

9,600

0.6 %

Raptor US Buyer II Corp. (11)(12)

20,268 Ordinary Shares

3/24/2023

2,033

2,033

0.1 %

25,922

30,280

2.0 %

Hotel, Gaming and Leisure

IRGSE Holding Corp. (7)(11)

Class A Units ( 33,790,171 units)

12/21/2018

21,842

2,281

0.2 %

Class C-1 Units ( 8,800,000 units)

12/21/2018

100

43

0.0 %

21,942

2,324

0.2 %

Human Resource Support Services

Axonify, Inc. (4)(11)(13)

Class A-1 Units ( 3,780,000 units)

5/5/2021

3,780

4,026

0.3 %

bswift, LLC (11)(12)

Class A-1 Units ( 2,393,509 units)

11/7/2022

2,394

2,394

0.2 %

DaySmart Holdings, LLC (11)

Class A Units ( 166,811 units)

12/18/2020

1,347

2,138

0.1 %

Employment Hero Holdings Pty Ltd. (4)(11)

Series E Preferred Shares ( 113,250 shares)

3/1/2022

2,134

2,605
(AUD
3,817 )

0.2 %

9,655

11,163

0.8 %

Internet Services

Bayshore Intermediate #2, L.P. (11)(13)

Co-Invest Common Units ( 8,837,008 units)

10/1/2021

8,837

8,461

0.5 %

Co-Invest 2 Common Units ( 3,493,701 units)

10/1/2021

3,494

3,345

0.2 %

Lucidworks, Inc. (11)

Series F Preferred Shares ( 199,054 shares)

8/2/2019

800

800

0.1 %

Piano Software, Inc. (11)

Series C-1 Preferred Shares ( 418,527 shares)

12/22/2021

3,000

3,000

0.2 %

Series C-2 Preferred Shares ( 27,588 shares) (12)

11/18/2022

198

198

0.0 %

SMA Technologies Holdings, LLC (11)(12)

Class A Units ( 1,300 shares)

11/21/2022

1,300

1,300

0.1 %

Class B Units ( 923,250 shares)

11/21/2022

0.0 %

17,629

17,104

1.1 %

Marketing Services

Validity, Inc.

Series A Preferred Shares ( 3,840,000 shares)

5/31/2018

3,840

10,368

0.7 %

Oil, Gas and Consumable Fuels

Murchison Oil and Gas, LLC (13)

13,355 Preferred Units

6/30/2022

13,355

14,156

0.9 %

TRP Assets, LLC (11)(13)

Partnership Interest ( 1.89 % ownership)

8/25/2022

8,755

11,513

0.8 %

22,110

25,669

1.7 %

Pharmaceuticals

TherapeuticsMD, Inc. (4)(11)

14,256 Warrants

8/5/2020

1,029

0.0 %

Retail and Consumer Products

American Achievement, Corp. (11)

Class A Units ( 687 units)

3/16/2021

50

0.0 %

Copper Bidco, LLC

Trust Certificates ( 132,928 Certificates)

12/7/2020

0.0 %

Trust Certificates ( 996,958 Certificates) (9)

1/30/2021

2,589

10,089

0.6 %

Neuintel, LLC (11)(13)

Class A Units ( 1,176,494 units)

12/21/2021

3,000

2,430

0.2 %

5,589

12,569

0.8 %

Structured Credit

Allegro CLO Ltd, Series 2018-1A, (3)(4)(9)

Structured Credit ($ 1,000 par, due 6/2031 )

5/26/2022

SOFR + 3.11 %

8.51 %

983

971

0.0 %

American Money Management Corp CLO Ltd, Series 2016-18A (3)(4)(9)

Structured Credit ($ 1,500 par, due 5/2031 )

6/22/2022

SOFR + 3.31 %

8.70 %

1,359

1,475

0.1 %

Ares CLO Ltd, Series 2021-59A (3)(4)(9)

Structured Credit ($ 1,000 par, due 4/2034 )

6/23/2022

SOFR + 6.51 %

11.89 %

898

967

0.0 %

Ares Loan Funding I Ltd, Series 2021-ALFA, Class E (3)(4)(9)

Structured Credit ($ 1,000 par, due 10/2034 )

6/24/2022

SOFR + 6.96 %

12.36 %

944

988

0.0 %

Bain Capital Credit CLO Ltd, Series 2018-1A (3)(4)(9)

Structured Credit ($ 500 par, due 4/2031 )

10/15/2020

SOFR + 5.61 %

11.02 %

429

445

0.0 %

Battalion CLO Ltd, Series 2021-21A (3)(4)(9)

Structured Credit ($ 1,300 par, due 7/2034 )

7/13/2022

SOFR + 3.56 %

8.96 %

1,170

1,252

0.1 %

Benefit Street Partners CLO Ltd, Series 2015-BR (3)(4)(9)

Structured Credit ($ 2,500 par, due 7/2034 )

7/13/2022

SOFR + 4.11 %

9.53 %

2,194

2,465

0.2 %

Benefit Street Partners CLO Ltd, Series 2015-8A (3)(4)(9)

Structured Credit ($ 1,425 par, due 1/2031 )

9/13/2022

SOFR + 3.01 %

8.43 %

1,289

1,367

0.1 %

18


Carlyle Global Market Strategies CLO Ltd, Series 2014-4RA (3)(4)(9)

Structured Credit ($ 1,000 par, due 7/2030 )

5/26/2022

SOFR + 3.16 %

8.56 %

920

962

0.1 %

Carlyle Global Market Strategies CLO Ltd, Series 2016-1, Ltd (3)(4)(9)

Structured Credit ($ 1,600 par, due 4/2034 )

2/15/2023

SOFR + 6.86 %

12.28 %

1,430

1,521

0.1 %

Carlyle Global Market Strategies CLO Ltd, Series 2018-1A (3)(4)(9)

Structured Credit ($ 1,550 par, due 4/2031 )

8/11/2020

SOFR + 6.01 %

11.42 %

1,264

1,442

0.1 %

CarVal CLO III Ltd, Series 2019-2A (3)(4)(9)

Structured Credit ($ 1,000 par, due 7/2032 )

6/30/2022

SOFR + 6.70 %

12.11 %

903

971

0.1 %

Cedar Funding CLO Ltd, Series 2018-7A (3)(4)(9)

Structured Credit ($ 1,000 par, due 1/2031 )

7/21/2022

SOFR + 4.81 %

10.23 %

874

934

0.0 %

CIFC CLO Ltd, Series 2018-3A (3)(4)(9)

Structured Credit ($ 1,000 par, due 7/2031 )

6/16/2022

SOFR + 5.76 %

11.16 %

904

956

0.0 %

CIFC CLO Ltd, Series 2021-4A (3)(4)(9)

Structured Credit ($ 1,000 par, due 7/2033 )

7/14/2022

SOFR + 6.26 %

11.66 %

900

991

0.1 %

Crown Point CLO Ltd, Series 2021-10A (3)(4)(9)

Structured Credit ($ 1,000 par, due 7/2034 )

6/14/2022

SOFR + 7.11 %

12.53 %

903

953

0.1 %

Dryden Senior Loan Fund, Series 2018-55A (3)(4)(9)

Structured Credit ($ 1,000 par, due 4/2031 )

7/25/2022

SOFR + 3.11 %

8.51 %

927

959

0.1 %

Dryden Senior Loan Fund, Series 2020-86A (3)(4)(9)

Structured Credit ($ 1,500 par, due 7/2034 )

8/17/2022

SOFR + 6.76 %

12.16 %

1,463

1,433

0.1 %

Eaton CLO Ltd, Series 2015-1A (3)(4)(9)

Structured Credit ($ 2,500 par, due 1/2030 )

6/23/2022

SOFR + 2.76 %

8.18 %

2,260

2,410

0.2 %

Eaton CLO Ltd, Series 2020-1A (3)(4)(9)

Structured Credit ($ 1,000 par, due 10/2034 )

8/11/2022

SOFR + 6.51 %

11.91 %

936

970

0.1 %

GoldenTree CLO Ltd, Series 2020-7A (3)(4)(9)

Structured Credit ($ 1,000 par, due 4/2034 )

6/17/2022

SOFR + 6.76 %

12.18 %

921

994

0.1 %

Gulf Stream Meridian, Series 2021-4A (3)(4)(9)

Structured Credit ($ 1,015 par, due 7/2034 )

6/3/2022

SOFR + 6.61 %

12.01 %

942

968

0.0 %

Gulf Stream Meridian, Series 2021-6A (3)(4)(9)

Structured Credit ($ 2,000 par, due 1/2037 )

9/12/2022

SOFR + 6.62 %

11.93 %

1,851

1,928

0.1 %

Jefferson Mill CLO Ltd, Series 2015-1A (3)(4)(9)

Structured Credit ($ 1,000 par, due 10/2031 )

5/23/2022

SOFR + 3.81 %

9.22 %

908

965

0.0 %

KKR CLO Ltd, 49A (3)(4)(9)

Structured Credit ($ 1,000 par, due 7/2035 )

6/2/2022

SOFR + 8.26 %

13.42 %

978

987

0.1 %

Madison Park CLO, Series 2018-28A (3)(4)(9)

Structured Credit ($ 1,000 par, due 7/2030 )

6/28/2022

SOFR + 5.51 %

10.91 %

911

963

0.0 %

Magnetite CLO Ltd, Series 2021-30A (3)(4)(9)

Structured Credit ($ 1,000 par, due 10/2034 )

6/13/2022

SOFR + 6.46 %

11.84 %

920

988

0.1 %

MidOcean Credit CLO Ltd, Series 2016-6A (3)(4)(9)

Structured Credit ($ 3,500 par, due 4/2033 )

5/23/2022

SOFR + 3.78 %

9.20 %

3,170

3,274

0.2 %

MidOcean Credit CLO Ltd, Series 2018-9A (3)(4)(9)

Structured Credit ($ 1,100 par, due 7/2031 )

6/1/2022

SOFR + 6.31 %

11.73 %

970

1,012

0.1 %

Octagon 57 LLC, Series 2021-1A (3)(4)(9)

Structured Credit ($ 1,000 par, due 10/2034 )

5/24/2022

SOFR + 6.86 %

12.26 %

951

940

0.0 %

Octagon Investment Partners 18 Ltd, Series 2018-18A (3)(4)(9)

Structured Credit ($ 1,000 par, due 4/2031 )

7/26/2022

SOFR + 2.96 %

8.36 %

913

959

0.1 %

Octagon Investment Partners 38 Ltd, Series 2018-1A (3)(4)(9)

Structured Credit ($ 2,800 par, due 7/2030 )

9/20/2022

SOFR + 3.21 %

8.63 %

2,505

2,713

0.2 %

Park Avenue Institutional Advisers CLO Ltd, Series 2018-1A (3)(4)(9)

Structured Credit ($ 1,000 par, due 10/2031 )

9/23/2022

SOFR + 3.59 %

9.01 %

870

925

0.1 %

Pikes Peak CLO, Series 2021-9A (3)(4)(9)

Structured Credit ($ 2,000 par, due 10/2034 )

8/31/2022

SOFR + 6.84 %

12.23 %

1,787

1,890

0.1 %

RR Ltd, Series 2020-8A (3)(4)(9)

Structured Credit ($ 1,000 par, due 4/2033 )

8/22/2022

SOFR + 6.66 %

12.06 %

955

995

0.1 %

Signal Peak CLO LLC, Series 2018-5A (3)(4)(9)

Structured Credit ($ 333 par, due 4/2031 )

8/9/2022

SOFR + 5.91 %

11.29 %

301

318

0.0 %

Southwick Park CLO Ltd, Series 2019-4A (3)(4)(9)

Structured Credit ($ 1,000 par, due 7/2032 )

5/25/2022

SOFR + 6.51 %

11.93 %

932

968

0.1 %

Stewart Park CLO Ltd, Series 2015-1A (3)(4)(9)

Structured Credit ($ 1,000 par, due 1/2030 )

7/25/2022

SOFR + 2.86 %

8.26 %

928

970

0.1 %

Voya CLO Ltd, Series 2018-3A (3)(4)(9)

Structured Credit ($ 2,750 par, due 10/2031 )

6/22/2022

SOFR + 6.01 %

11.41 %

2,441

2,484

0.2 %

Wind River CLO Ltd, Series 2014-2A (3)(4)(9)

Structured Credit ($ 1,500 par, due 1/2031 )

6/23/2022

SOFR + 3.16 %

8.56 %

1,407

1,404

0.1 %

Wind River CLO Ltd, Series 2017-1A (3)(4)(9)

Structured Credit ($ 3,000 par, due 4/2036 )

7/14/2022

SOFR + 3.98 %

9.38 %

2,633

2,911

0.2 %

Wind River CLO Ltd, Series 2018-3A (3)(4)(9)

Structured Credit ($ 2,000 par, due 1/2031 )

12/12/2022

SOFR + 5.91 %

11.33 %

1,721

1,856

0.1 %

52,865

55,844

3.7 %

Total Equity and Other Investments

205,488

211,442

14.1 %

Total Investments

$

3,251,012

$

3,283,065

219.4 %

19


Interest Rate Swaps as of December 31, 2023

Company
Receives

Company
Pays

Maturity Date

Notional
Amount

Fair
Market
Value

Upfront
(Payments) /
Receipts

Change in
Unrealized
Gains / (Losses)

Interest rate swap (a)

SOFR + 2.54 %

3.875 %

11/1/2024

$

2,500

$

$

$

Interest rate swap (a)(b)(c)(d)

3.875 %

SOFR + 2.51 %

11/1/2024

300,000

( 8,846

)

7,647

Interest rate swap (a)(b)(c)(d)

3.875 %

SOFR + 2.72 %

11/1/2024

50,000

( 1,563

)

1,362

Interest rate swap (a)(b)

2.50 %

SOFR + 2.17 %

8/1/2026

300,000

( 26,111

)

9,554

Interest rate swap (a)(b)

6.95 %

SOFR + 2.99 %

8/14/2028

300,000

4,680

4,680

Total Hedge Accounting Swaps

952,500

( 31,840

)

23,243

Cash collateral

55,819

Total derivatives

$

952,500

$

23,979

$

$

23,243

(a)
Contains a variable rate structure. Bears interest at a rate determined by SOFR.
(b)
Instrument is used in a hedge accounting relationship. The associated change in fair value is recorded along with the change in fair value of the hedged item within interest expense.
(c)
$ 2.5 million in aggregate notional value of these instruments is no longer designated as instruments in a hedge accounting relationship. The associated change in fair value of the de-designated portion is recorded within unrealized gain/(loss).
(d)
The fair market value of this instrument is presented net with the $ 2.5 million in aggregate notional value of instruments no longer designated as instruments in a hedge accounting relationship.

(1)
Certain portfolio company investments are subject to contractual restrictions on sales.
(2)
The amortized cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method.
(3)
Investment contains a variable rate structure, subject to an interest rate floor. Variable rate investments bear interest at a rate that may be determined by reference to either Euro Interbank Offer Rate (“Euribor” or “E”), Sterling Overnight Index Average ("SONIA"), Canadian Dollar Offered Rate (“CDOR” or “C”), Secured Overnight Financing Rate (“SOFR”) which may also contain a credit spread adjustment depending on the tenor election, Bank Bill Swap Bid Rate (“BBSY” or “B”), Sterling Overnight Interbank Average Rate (“SONIA” or “S”) or an alternate base rate (which can include the Federal Funds Effective Rate or the Prime Rate or “P”), all of which include an available tenor, selected at the borrower’s option, which reset periodically based on the terms of the credit agreement. For investments with multiple interest rate contracts, the interest rate shown is the weighted average interest rate in effect at December 31, 2023 .
(4)
This portfolio company is not a qualifying asset under Section 55(a) of the Investment Company Act of 1940, as amended (the “1940 Act”). Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70 % of total assets. Non-qualifying assets represented 13.1 % of total assets as of December 31, 2023 .
(5)
In addition to the interest earned based on the stated interest rate of this investment, which is the amount reflected in this schedule, the Company may be entitled to receive additional interest as a result of an arrangement with other members in the syndicate to the extent an investment has been allocated to “first out” and “last out” tranches, whereby the “first out” tranche will have priority as to the “last out” tranche with respect to payments of principal, interest and any amounts due thereunder and the Company holds the “last out” tranche.
(6)
Under the 1940 Act, the Company is deemed to be both an “Affiliated Person” of and “Control,” as such terms are defined in the 1940 Act, this portfolio company, as the Company owns more than 25 % of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company (including through a management agreement). Transactions during the year ended December 31, 2023 in which the issuer was an Affiliated Person of and was deemed to Control a portfolio company are as follows:

20


Controlled, Affiliated Investments during the year ended December 31, 2023

Company

Fair
Value at
December 31, 2022

Gross
Additions (a)

Gross
Reductions
(b)

Net Change
In Unrealized
Gain/(Loss)

Realized
Gain/(Losses)

Transfers

Fair
Value at
December 31,
2023

Other
Income

Interest
Income

IRGSE Holding Corp.

$

70,755

$

10,875

$

$

( 21,717

)

$

$

$

59,913

$

6

$

7,756

Total

$

70,755

$

10,875

$

$

( 21,717

)

$

$

$

59,913

$

6

$

7,756

(a)
Gross additions include increases in the cost basis of investments resulting from new investments, payment-in-kind interest or dividends, the amortization of any unearned income or discounts on debt investments, as applicable.
(b)
Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, and the amortization of any premiums on debt investments, as applicable. When an investment is placed on non-accrual status, any cash flows received by the Company are applied to the outstanding principal balance.

(7)
As of December 31, 2023 , the estimated cost basis of investments for U.S. federal tax purposes was $ 3,256,630 resulting in estimated gross unrealized gains and losses of $ 159,281 and $ 135,606 , respectively.
(8)
In accordance with Financial Accounting Standards Board Accounting Standards Codification Topic 820, Fair Value Measurements (“ASC Topic 820”), unless otherwise indicated, the fair values of all investments were determined using significant unobservable inputs and are considered Level 3 investments. See Note 6 for further information related to investments at fair value.
(9)
This investment is valued using observable inputs and is considered a Level 2 investment. See Note 6 for further information related to investments at fair value.
(10)
This investment is valued using observable inputs and is considered a Level 1 investment. See Note 6 for further information related to investments at fair value.
(11)
This investment is non-income producing.
(12)
All or a portion of this security was acquired in a transaction exempt from registration under the Securities Act of 1933, and may be deemed to be “restricted securities” under the Securities Act. As of December 31, 2023, the aggregate fair value of these securities is $ 13,032 , or 0.9 % of the Company’s net assets.
(13)
Ownership of equity investments may occur through a holding company or partnership.
(14)
Investment is on non-accrual status as of December 31, 2023.
(15)
In addition to the principal amount outstanding and accrued interest owed on this investment, the Company is entitled to a separate Make-Whole Amount (the “Make-Whole”) of $ 11.8 million. The Make-Whole is a contractual obligation of the borrower and accrues interest on the balance outstanding. The Make-Whole is included on the Company’s Consolidated Balance Sheet within other assets, net of any valuation allowance. Given uncertainty relating to collectability of the Make-Whole, the Company has applied a full valuation allowance against the amount of the Make-Whole balance outstanding.

21


Sixth Street Specialty Lending, Inc.

Consolidated Statements o f Changes in Net Assets

(Amounts in thousands, except share amounts)

(Unaudited)

Common Stock

Treasury Stock

Shares

Par
Amount

Shares

Cost

Paid in Capital in
Excess of Par

Distributable
Earnings

Total Net
Assets

Balance at December 31, 2023

87,829,499

$

885

664,250

$

( 10,459

)

$

1,405,173

$

100,776

$

1,496,375

Net increase (decrease) in net assets resulting from operations:

Net investment income

52,362

52,362

Net change in unrealized gains (losses) on investments and
foreign currency translation

( 6,969

)

( 6,969

)

Net realized gains (losses) on investments and foreign
currency transactions

2,125

2,125

Increase (decrease) in Net Assets Resulting from Capital Share
Transactions:

Issuance of common stock, net of offering and
underwriting costs

4,000,000

40

81,417

81,457

Dividends to stockholders:

Stock issued in connection with dividend reinvestment plan

292,057

3

5,921

5,924

Dividends declared from distributable earnings

( 49,268

)

( 49,268

)

Balance at March 31, 2024

92,121,556

$

928

664,250

$

( 10,459

)

$

1,492,511

$

99,026

$

1,582,006

Net increase (decrease) in net assets resulting from operations:

Net investment income

55,143

55,143

Net change in unrealized gains (losses) on investments and
foreign currency translation

( 9,493

)

( 9,493

)

Net realized gains (losses) on investments and foreign
currency transactions

1,751

1,751

Increase (decrease) in Net Assets Resulting from Capital Share
Transactions:

Issuance of common stock, net of offering and
underwriting costs

600,000

6

11,844

11,850

Dividends to stockholders:

Stock issued in connection with dividend reinvestment plan

295,649

3

5,990

5,993

Dividends declared from distributable earnings

( 48,215

)

( 48,215

)

Balance at June 30, 2024

93,017,205

$

937

664,250

$

( 10,459

)

$

1,510,345

$

98,212

$

1,599,035

Net increase (decrease) in net assets resulting from operations:

Net investment income

54,926

54,926

Net change in unrealized gains (losses) on investments and
foreign currency translation

( 14,282

)

( 14,282

)

Net realized gains (losses) on investments and foreign
currency transactions

11

11

Increase (decrease) in Net Assets Resulting from Capital Share
Transactions:

Dividends to stockholders:

Stock issued in connection with dividend reinvestment plan

300,416

3

5,856

5,859

Dividends declared from distributable earnings

( 48,368

)

( 48,368

)

Balance at September 30, 2024

93,317,621

$

940

664,250

$

( 10,459

)

$

1,516,201

$

90,499

$

1,597,181

22


Common Stock

Treasury Stock

Shares

Par
Amount

Shares

Cost

Paid in Capital in
Excess of Par

Distributable
Earnings

Total Net
Assets

Balance at December 31, 2022

81,389,287

$

821

664,250

$

( 10,459

)

$

1,294,751

$

56,456

$

1,341,569

Net increase (decrease) in net assets resulting from operations:

Net investment income

42,937

42,937

Net change in unrealized gains (losses) on investments and
foreign currency translation

4,777

4,777

Net realized gains (losses) on investments and foreign
currency transactions

5,238

5,238

Dividends to stockholders:

Stock issued in connection with dividend reinvestment plan

362,578

3

6,245

6,248

Dividends declared from distributable earnings

( 44,764

)

( 44,764

)

Tax reclassification of stockholders' equity in accordance with
GAAP
(1)

( 403

)

403

Balance at March 31, 2023

81,751,865

$

824

664,250

$

( 10,459

)

$

1,300,593

$

65,047

$

1,356,005

Net increase (decrease) in net assets resulting from operations:

Net investment income

48,784

48,784

Net change in unrealized gains (losses) on investments and
foreign currency translation

2,822

2,822

Net realized gains (losses) on investments and foreign
currency transactions

1,484

1,484

Increase (decrease) in Net Assets Resulting from Capital Share
Transactions:

Issuance of common stock, net of offering and
underwriting costs

5,175,000

52

89,238

89,290

Dividends to stockholders:

Stock issued in connection with dividend reinvestment plan

314,366

3

5,578

5,581

Dividends declared from distributable earnings

( 43,437

)

( 43,437

)

Balance at June 30, 2023

87,241,231

$

879

664,250

$

( 10,459

)

$

1,395,409

$

74,700

$

1,460,529

Net increase (decrease) in net assets resulting from operations:

Net investment income

49,994

49,994

Net change in unrealized gains (losses) on investments and
foreign currency translation

9,740

9,740

Net realized gains (losses) on investments and foreign
currency transactions

5,086

5,086

Increase (decrease) in Net Assets Resulting from Capital Share
Transactions:

Issuance of common stock, net of offering and
underwriting costs

( 85

)

( 85

)

Dividends to stockholders:

Stock issued in connection with dividend reinvestment plan

305,267

3

5,921

5,924

Dividends declared from distributable earnings

( 45,366

)

( 45,366

)

Balance at September 30, 2023

87,546,498

$

882

664,250

$

( 10,459

)

$

1,401,245

$

94,154

$

1,485,822

(1)
The Company changed its tax year end from March 31st to December 31st.

The accompanying notes are an integral part of these consolidated financial statements.

23


Sixth Street Specialty Lending, Inc.

Consolidated Statem ents of Cash Flows

(Amounts in thousands)

(Unaudited)

Nine Months Ended

Nine Months Ended

September 30, 2024

September 30, 2023

Cash Flows from Operating Activities

Increase (decrease) in net assets resulting from operations

$

135,575

$

170,862

Adjustments to reconcile increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities:

Net change in unrealized (gains) losses on investments

22,068

( 14,700

)

Net change in unrealized (gains) losses on foreign currency transactions

7,220

( 2,466

)

Net change in unrealized (gains) losses on interest rate swaps

( 174

)

Net realized (gains) losses on investments

( 3,947

)

( 11,768

)

Net realized (gains) losses on foreign currency transactions

( 768

)

( 371

)

Net amortization of discount on investments

( 15,220

)

( 12,798

)

Amortization of deferred financing costs

5,259

3,725

Amortization of discount on debt

1,246

623

Purchases and originations of investments, net

( 680,031

)

( 634,940

)

Proceeds from investments, net

60,495

41,412

Repayments on investments

479,819

318,913

Paid-in-kind interest

( 23,562

)

( 11,667

)

Changes in operating assets and liabilities:

Interest receivable

( 6,588

)

( 3,472

)

Interest receivable paid-in-kind

( 199

)

( 1,142

)

Prepaid expenses and other assets

( 16,728

)

( 2,929

)

Management fees payable to affiliate

737

1,135

Incentive fees on net investment income payable to affiliate

( 276

)

233

Incentive fees on net capital gains accrued to affiliate

( 4,424

)

5,083

Payable to affiliate

2,817

991

Other liabilities

21,741

3,530

Net Cash Provided by (Used in) Operating Activities

( 14,766

)

( 149,920

)

Cash Flows from Financing Activities

Borrowings on debt

1,107,043

1,227,844

Repayments on debt

( 1,044,166

)

( 1,037,681

)

Deferred financing costs

( 8,810

)

( 9,402

)

Proceeds from issuance of common stock, net of offering and
underwriting costs

93,307

89,205

Dividends paid to stockholders

( 128,077

)

( 115,813

)

Net Cash Provided by (Used in) Financing Activities

19,297

154,153

Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash

4,531

4,233

Cash, cash equivalents, and restricted cash, beginning of period

25,196

25,647

Cash, Cash Equivalents, and Restricted Cash, End of Period

$

29,727

$

29,880

Supplemental Information:

Interest paid during the period

$

116,077

$

88,765

Excise and other taxes paid during the period

$

2,277

$

2,427

Dividends declared during the period

$

145,851

$

133,567

Non-Cash Financing Activities:

Reinvestment of dividends during the period

$

17,776

$

17,753

The accompanying notes are an integral part of these consolidated financial statements.

24


Sixth Street Specialty Lending, Inc.

Notes to Consolidated Financial Statements

(Unaudited)

(Amounts in thousands, unless otherwise indicated)

1. Organization and Basis of Presentation

Organization

Sixth Street Specialty Lending, Inc. (the “Company”) is a Delaware corporation formed on July 21, 2010. The Company was formed primarily to lend to, and selectively invest in, middle-market companies in the United States. The Company has elected to be regulated as a business development company (“BDC”) under the 1940 Act. In addition, for tax purposes, the Company has elected to be treated as a regulated investment company (“RIC”) under Subchapter M of the Internal Revenue Code of 1986, as amended (the “Code”). The Company is managed by Sixth Street Specialty Lending Advisers, LLC (the “Adviser”). On June 1, 2011, the Company formed a wholly-owned subsidiary, TC Lending, LLC, a Delaware limited liability company. On March 22, 2012, the Company formed a wholly-owned subsidiary, Sixth Street SL SPV, LLC, a Delaware limited liability company. On May 19, 2014, the Company formed a wholly-owned subsidiary, Sixth Street SL Holding, LLC, a Delaware limited liability company. On December 9, 2020, the Company formed a wholly-owned subsidiary, Sixth Street Specialty Lending Sub, LLC, a Cayman Islands limited liability company.

On March 21, 2014, the Company completed its initial public offering (“IPO”) and the Company’s shares began trading on the New York Stock Exchange (“NYSE”) under the symbol “TSLX.”

Basis of Presentation

The accompanying consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”), and include the accounts of the Company and its subsidiaries. In the opinion of management, all adjustments considered necessary for the fair presentation of the consolidated financial statements for the periods presented have been included. The results of operations for interim periods are not indicative of results to be expected for the full year. All intercompany balances and transactions have been eliminated in consolidation.

Certain financial information that is normally included in annual financial statements, including certain financial statement footnotes, prepared in accordance with U.S. GAAP, is not required for interim reporting purposes and has been condensed or omitted herein. These consolidated financial statements should be read in conjunction with the Company’s consolidated financial statements and notes related thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2023, which was filed with the Securities and Exchange Commission (“SEC”), on February 15, 2024.

The Company is an investment company and, therefore, applies the specialized accounting and reporting guidance in Accounting Standards Codification (“ASC”) Topic 946, Financial Services – Investment Companies.

Fiscal Year End

The Company’s fiscal year ends on December 31.

2. Significant Accounting Policies

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements. Actual amounts could differ from those estimates and such differences could be material.

Cash and Cash Equivalents

Cash and cash equivalents may consist of demand deposits, highly liquid investments (e.g., money market funds, U.S. Treasury notes, and similar type instruments) with original maturities of three months or less, and restricted cash pledged as collateral for certain centrally cleared derivative instruments. Cash and cash equivalents denominated in U.S. dollars are carried at cost, which approximates fair value. The Company deposits its cash and cash equivalents with highly-rated banking corporations and, at times, cash deposits may exceed the insured limits under applicable law.

25


Investments at Fair Value

Loan originations are recorded on the date of the binding commitment, which is generally the funding date. Investment transactions purchased through the secondary markets are recorded on the trade date. Realized gains or losses are measured by the difference between the net proceeds received (excluding prepayment fees, if any) and the amortized cost basis of the investment without regard to unrealized gains or losses previously recognized, and include investments charged off during the period, net of recoveries. The net change in unrealized gains or losses primarily reflects the change in investment values and also includes the reversal of previously recorded unrealized gains or losses with respect to investments realized during the period.

Investments for which market quotations are readily available are typically valued at those market quotations. To validate market quotations, the Company utilizes a number of factors to determine if the quotations are representative of fair value, including the source and number of the quotations. Debt and equity securities that are not publicly traded or whose market prices are not readily available, as is the case for substantially all of our investments, are valued at fair value as determined in good faith by the Company’s Board of Directors (the “Board”), based on, among other things, the input of the Adviser, the Company’s Audit Committee and independent third-party valuation firms engaged at the direction of the Board.

As part of the valuation process, the Board takes into account relevant factors in determining the fair value of its investments, including and in combination of: the estimated enterprise value of a portfolio company (that is, the total value of the portfolio company’s net debt and equity), the nature and realizable value of any collateral, the portfolio company’s ability to make payments based on its earnings and cash flow, the markets in which the portfolio company does business, a comparison of the portfolio company’s securities to any similar publicly traded securities, and overall changes in the interest rate environment and the credit markets that may affect the price at which similar investments may be made in the future. When an external event such as a purchase transaction, public offering or subsequent equity sale occurs, the Board considers whether the pricing indicated by the external event corroborates its valuation.

The Board undertakes a multi-step valuation process, which includes, among other procedures, the following:

The valuation process begins with each investment being initially valued by the investment professionals responsible for the portfolio investment in conjunction with the portfolio management team.
The Adviser’s management reviews the preliminary valuations with the investment professionals. Agreed upon valuation recommendations are presented to the Audit Committee.
The Audit Committee reviews the valuations presented and recommends values for each investment to the Board.
The Board reviews the recommended valuations and determines the fair value of each investment; valuations that are not based on readily available market quotations are valued in good faith based on, among other things, the input of the Adviser, Audit Committee and, where applicable, other third parties including independent third-party valuation firms engaged at the direction of the Board.

The Company conducts this valuation process on a quarterly basis.

The Board has engaged independent third-party valuation firms to perform certain limited procedures that the Board has identified and requested them to perform in connection with the valuation process of investments for which no market quotations are readily available. At September 30, 2024, the independent third-party valuation firms performed their procedures over substantially all of the Company’s investments. Upon completion of such limited procedures, the third-party valuation firms concluded that the fair value, as determined by the Board, of those investments subjected to their limited procedures, appeared reasonable.

The Company applies Financial Accounting Standards Board Accounting Standards Codification Topic 820, Fair Value Measurement (“ASC Topic 820”), as amended, which establishes a framework for measuring fair value in accordance with U.S. GAAP and required disclosures of fair value measurements. ASC Topic 820 determines fair value to be the price that would be received for an investment in a current sale, which assumes an orderly transaction between market participants on the measurement date. Market participants are defined as buyers and sellers in the principal or most advantageous market (which may be a hypothetical market) that are independent, knowledgeable, and willing and able to transact. In accordance with ASC Topic 820, the Company considers its principal market to be the market that has the greatest volume and level of activity. ASC Topic 820 specifies a fair value hierarchy that prioritizes and ranks the level of observability of inputs used in determination of fair value. In accordance with ASC Topic 820, these levels are summarized below:

Level 1—Valuations based on quoted prices in active markets for identical assets or liabilities that the Company has the ability to access.
Level 2—Valuations based on quoted prices in markets that are not active or for which all significant inputs are observable, either directly or indirectly.
Level 3—Valuations based on inputs that are unobservable and significant to the overall fair value measurement.

26


Transfers between levels, if any, are recognized at the beginning of the quarter in which the transfers occur. In addition to using the above inputs in investment valuations, the Company applies the valuation policy approved by its Board that is consistent with ASC Topic 820. Consistent with the valuation policy, the Company evaluates the source of inputs, including any markets in which its investments are trading (or any markets in which securities with similar attributes are trading), in determining fair value. When a security is valued based on prices provided by reputable dealers or pricing services (that is, broker quotes), the Company subjects those prices to various additional criteria in making the determination as to whether a particular investment would qualify for treatment as a Level 2 or Level 3 investment. For example, the Company reviews pricing provided by dealers or pricing services in order to determine if observable market information is being used, versus unobservable inputs. Some additional factors considered include the number of prices obtained as well as an assessment as to their quality, such as the depth of the relevant market relative to the size of the Company’s position.

Due to the inherent uncertainty of determining the fair value of investments that do not have a readily available market value, the fair value of the Company’s investments may fluctuate from period to period. Additionally, the fair value of such investments may differ significantly from the values that would have been used had a ready market existed for such investments and may differ materially from the values that may ultimately be realized. Further, such investments are generally less liquid than publicly traded securities and may be subject to contractual and other restrictions on resale. If the Company were required to liquidate a portfolio investment in a forced or liquidation sale, it could realize amounts that are different from the amounts presented and such differences could be material.

In addition, changes in the market environment including the impact of changes in broader market indices and credit spreads and other events that may occur over the life of the investments may cause the gains or losses ultimately realized on these investments to be different than the unrealized gains or losses reflected herein.

Financial and Derivative Instruments

The Company recognizes all derivative instruments as assets or liabilities at fair value in its consolidated financial statements, pursuant to ASC Topic 815 Derivatives and Hedging, further clarified by the FASB’s issuance of the Accounting Standards Update (“ASU”) No. 2017-12, Derivatives and Hedging, which was adopted in 2019 by the Company. For all derivative instruments designated in a hedge accounting relationship, the entire change in the fair value of the hedging instrument shall be recorded in the same line item of the Consolidated Statements of Operations as the hedged item. The Company uses certain interest rate swaps as derivative instruments to hedge the Company’s fixed rate debt, and therefore both the periodic payment and the change in fair value for the effective hedge, if applicable, will be recognized as components of interest expense in the Consolidated Statements of Operations. For derivative contracts entered into by the Company that are not designated in a hedge accounting relationship, the Company presents changes in the fair value through current period earnings.

In the normal course of business, the Company has commitments and risks resulting from its investment transactions, which may include those involving derivative instruments. Derivative instruments are measured in terms of the notional contract amount and derive their value based upon one or more underlying instruments. While the notional amount gives some indication of the Company’s derivative activity, it generally is not exchanged, but is only used as the basis on which interest and other payments are exchanged. Derivative instruments are subject to various risks similar to non-derivative instruments including market, credit, liquidity, and operational risks. The Company manages these risks on an aggregate basis as part of its risk management process.

Derivatives, including the Company’s interest rate swaps, for which broker quotes are available are typically valued at those broker quotes.

Offsetting Assets and Liabilities

Foreign currency forward contract and interest rate swap receivables or payables pending settlement are offset, and the net amount is included with receivable or payable for foreign currency forward contracts or interest rate swaps in the Consolidated Balance Sheets when, and only when, they are with the same counterparty, the Company has the legal right to offset the recognized amounts, and it intends to either settle on a net basis or realize the asset and settle the liability simultaneously.

Foreign Currency

Foreign currency amounts are translated into U.S. dollars on the following basis:

cash and cash equivalents, market value of investments, outstanding debt on revolving credit facilities, other assets and liabilities: at the spot exchange rate on the last business day of the period; and
purchases and sales of investments, borrowings and repayments of such borrowings, income and expenses: at the rates of exchange prevailing on the respective dates of such transactions.

27


Although net assets and fair values are presented based on the applicable foreign exchange rates described above, the Company does not isolate that portion of the results of operations resulting from changes in foreign exchange rates on investments from the fluctuations arising from changes in fair values of investments held. Such fluctuations are included with the net realized and unrealized gain or loss from investments. The Company’s current approach to hedging the foreign currency exposure in its non-U.S. dollar denominated investments is primarily to borrow the par amount in local currency under the Company’s Revolving Credit Facility to fund these investments. Fluctuations arising from the translation of foreign currency borrowings are included with the net change in unrealized gains (losses) on translation of assets and liabilities in foreign currencies on the Consolidated Statements of Operations.

Investments denominated in foreign currencies and foreign currency transactions may involve certain considerations and risks not typically associated with those of domestic origin, including unanticipated movements in the value of the foreign currency relative to the U.S. dollar.

Equity Offering Expenses

The Company records expenses related to equity offerings as a reduction of capital upon completion of an offering of registered securities. The costs associated with renewals of the Company’s shelf registration statement are expensed as incurred.

Debt Issuance Costs

The Company records origination and other expenses related to its debt obligations as deferred financing costs, which are presented as a direct deduction from the carrying value of the related debt liability. These expenses are deferred and amortized using the effective interest method, or straight-line method, over the stated maturity of the debt obligation.

Interest and Dividend Income Recognition

Interest income is recorded on an accrual basis and includes the amortization of discounts and premiums. Discounts and premiums to par value on securities purchased or originated are amortized into interest income over the contractual life of the respective security using the effective interest method. The amortized cost of investments represents the original cost adjusted for the amortization of discounts and premiums, if any.

Unless providing services in connection with an investment, such as syndication, structuring or diligence, all or a portion of any loan fees received by the Company will be deferred and amortized over the investment’s life using the effective interest method.

Loans are generally placed on non-accrual status when principal or interest payments are past due 30 days or more or when management has reasonable doubt that the borrower will pay principal or interest in full. Accrued and unpaid interest is generally reversed when a loan is placed on non-accrual status. Interest payments received on non-accrual loans may be recognized as income or applied to principal depending upon management’s judgment regarding collectability. Non-accrual loans are restored to accrual status when past due principal and interest has been paid and, in management’s judgment, the borrower is likely to make principal and interest payments in the future. Management may determine to not place a loan on non-accrual status if, notwithstanding any failure to pay, the loan has sufficient collateral value and is in the process of collection.

Dividend income on preferred equity securities is recorded on an accrual basis to the extent that such amounts are payable by the portfolio company and are expected to be collected. Dividend income on common equity securities is recorded on the record date for private portfolio companies or on the ex-dividend date for publicly-traded portfolio companies.

Other Income

From time to time, the Company may receive fees for services provided to portfolio companies by the Adviser. The services that the Adviser provides vary by investment, but may include syndication, structuring, diligence fees, or other service-based fees and fees for providing managerial assistance to our portfolio companies and are recognized as revenue when earned.

Earnings per share

The Company's earnings per share (“EPS”) amounts have been computed based on the weighted-average number of shares of common stock outstanding for the period. Basic EPS is computed by dividing net increase (decrease) in net assets resulting from operations by the weighted average number of shares of common stock outstanding during the period. Diluted EPS is computed by dividing net increase (decrease) in net assets resulting from operations by the weighted average number of shares of common stock assuming all potential shares had been issued and the additional shares of common stock were dilutive. Diluted EPS reflects the potential dilution, using the if-converted method for convertible debt, which could occur if all potentially dilutive securities were exercised.

28


Reimbursement of Transaction-Related Expenses

The Company may receive reimbursement for certain transaction-related expenses in pursuing investments. Transaction-related expenses, which are expected to be reimbursed by third parties, are typically deferred until the transaction is consummated and are recorded in Prepaid expenses and other assets on the date incurred. The transaction-related costs of pursuing investments not otherwise reimbursed are borne by the Company and for successfully completed investments included as a component of the investment’s cost basis.

Cash advances received in respect of transaction-related expenses are recorded as Cash and cash equivalents with an offset to Other liabilities or Other payables to affiliates. Other liabilities or Other payables to affiliates are relieved as reimbursable expenses are incurred.

Income Taxes, Including Excise Taxes

The Company has elected to be treated as a RIC under Subchapter M of the Code, and the Company intends to operate in a manner so as to continue to qualify for the tax treatment applicable to RICs. To qualify as a RIC, the Company must, among other things, distribute to its stockholders in each taxable year generally at least 90 % of its investment company taxable income, as defined by the Code, and net tax-exempt income for that taxable year. To maintain its RIC status, the Company, among other things, has made and intends to continue to make the requisite distributions to its stockholders, which generally relieves the Company from corporate-level U.S. federal income taxes.

The Company evaluates tax positions taken or expected to be taken in the course of preparing its financial statements to determine whether the tax positions are “more-likely-than-not” to be sustained by the applicable tax authority. Tax positions not deemed to meet the “more-likely-than-not” threshold are reserved and recorded as a tax benefit or expense in the current year. All penalties and interest associated with income taxes are included in income tax expense. Conclusions regarding tax positions are subject to review and may be adjusted at a later date based on factors including, but not limited to, on-going analyses of tax laws, regulations and interpretations thereof.

Depending on the level of taxable income earned in a tax year, the Company can be expected to carry forward taxable income (including net capital gains, if any) in excess of current year dividend distributions from the current tax year into the next tax year and pay a nondeductible 4 % U.S. federal excise tax on such taxable income, as required. To the extent that the Company determines that the estimated current year annual taxable income will be in excess of estimated current year dividend distributions from such income, the Company accrues excise tax on estimated excess taxable income.

For the three and nine months ended September 30, 2024, the Company recorded a net expense of $ 0.7 million and $ 2.8 million, respectively, for U.S. federal excise tax and other taxes. For the three and nine months ended September 30, 2023 , the Company recorded a net expense of $ 0.5 million and $ 1.8 million, respectively, for U.S. federal excise tax and other taxes.

For the three and nine months ended September 30, 2024 , the Company recorded a deferred tax expense of $ 1.5 million pertaining to net unrealized gains, related to eight of its investments. As of the three and nine months ended September 30, 2023, there was no recorded deferred tax expense.

The Company changed its tax year end from March 31st to December 31st.

Dividends to Common Stockholders

Dividends to common stockholders are recorded on the record date. The amount to be paid out as a dividend is determined by the Board and is generally based upon the earnings estimated by the Adviser. Net realized long-term capital gains, if any, would generally be distributed at least annually, although the Company may decide to retain such capital gains.

The Company has adopted a dividend reinvestment plan that provides for reinvestment of any dividends declared in cash on behalf of stockholders, unless a stockholder elects to receive cash. As a result, if the Board authorizes, and it declares, a cash dividend, then the stockholders who have not “opted out” of the dividend reinvestment plan will have their cash dividends automatically reinvested in additional shares of the Company’s common stock, rather than receiving the cash dividend. The Company expects to use newly issued shares to satisfy the dividend reinvestment plan.

Recent Accounting Standards and Regulatory Updates

In November 2023, the FASB issued ASU 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures (“ASU 2023-07”),” which enhances disclosure requirements about significant segment expenses that are regularly

29


provided to the chief operating decision maker (the “CODM”). ASU 2023-07, among other things, (i) requires a single segment public entity to provide all of the disclosures as required by Topic 280, (ii) requires a public entity to disclose the title and position of the CODM and an explanation of how the CODM uses the reported measure(s) of segment profit or loss in assessing segment performance and deciding how to allocate resources and (iii) provides the ability for a public entity to elect more than one performance measure. ASU 2023-07 is effective for the fiscal years beginning after December 15, 2023, and interim periods beginning with the first quarter ended March 31, 2025. Early adoption is permitted and retrospective adoption is required for all prior periods presented. The Company is currently assessing the impact of this guidance, however, the Company does not expect a material impact to its consolidated financial statements.

In December 2023, the FASB issued ASU No. 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures (“ASU 2023-09”),” which intends to improve the transparency of income tax disclosures. ASU No. 2023-09 is effective for fiscal years beginning after December 15, 2024 and is to be adopted on a prospective basis with the option to apply retrospectively. The Company is currently assessing the impact of this guidance, however, the Company does not expect a material impact to its consolidated financial statements.

3. Agreements and Related Party Transactions

Administration Agreement

On March 15, 2011, the Company entered into the Administration Agreement with the Adviser. Under the terms of the Administration Agreement, the Adviser provides administrative services to the Company. These services include providing office space, equipment and office services, maintaining financial records, preparing reports to stockholders and reports filed with the SEC, and managing the payment of expenses and the oversight of the performance of administrative and professional services rendered by others. Certain of these services are reimbursable to the Adviser under the terms of the Administration Agreement. In addition, the Adviser is permitted to delegate its duties under the Administration Agreement to affiliates or third parties and the Company pays or reimburses the Adviser for certain expenses incurred by any such affiliates or third parties for work done on its behalf.

In February 2017, the Board of Directors of the Company and the Adviser entered into an amended and restated administration agreement (the “Administration Agreement”) reflecting certain clarifications to the agreement to provide greater detail regarding the scope of the reimbursable costs and expenses of the Administrator’s services.

In November 2024, the Board renewed the Administration Agreement. Unless earlier terminated as described below, the Administration Agreement will remain in effect until November 2025, and may be extended subject to required approvals. The Administration Agreement may be terminated by either party without penalty on 60 days’ written notice to the other party.

No person who is an officer, director or employee of the Adviser or its affiliates and who serves as a director of the Company receives any compensation from the Company for his or her services as a director. However, the Company reimburses the Adviser (or its affiliates) for the allocable portion of the costs of compensation, benefits, and related administrative expenses of the Company’s officers who provide operational and administrative services to the Company pursuant to the Administration Agreement, their respective staffs and other professionals who provide services to the Company (including, in each case, employees of the Adviser or an affiliate). Such reimbursable amounts include the allocable portion of the compensation paid by the Adviser or its affiliates to the Company’s Chief Financial Officer, Chief Compliance Officer, and other professionals who provide operational and administrative services to the Company pursuant to the Administration Agreement, including individuals who provide “back office” or “middle office” financial, operational, legal and/or compliance services to the Company. The Company reimburses the Adviser (or its affiliates) for the allocable portion of the compensation paid by the Adviser (or its affiliates) to such individuals based on the percentage of time those individuals devote, on an estimated basis, to the business and affairs of the Company and in acting on behalf of the Company. The Company may also reimburse the Adviser or its affiliates for the allocable portion of overhead expenses (including rent, office equipment and utilities) attributable thereto. Directors who are not affiliated with the Adviser receive compensation for their services and reimbursement of expenses incurred to attend meetings.

For the three and nine months ended September 30, 2024 the Company incurred expenses of $ 1.0 million and $ 2.9 million, respectively, for administrative services payable to the Adviser under the terms of the Administration Agreement, which is included in other general and administrative expenses in the Consolidated Statements of Operations. For the three and nine months ended September 30, 2023 , the Company incurred expenses of $ 0.9 million and $ 2.1 million, respectively, for administrative services payable to the Adviser under the terms of the Administration Agreement.

Investment Advisory Agreement

On April 15, 2011, the Company entered into the Investment Advisory Agreement with the Adviser. The Investment Advisory Agreement was subsequently amended on December 12, 2011. Under the terms of the Investment Advisory Agreement, the Adviser provides investment advisory services to the Company. The Adviser’s services under the Investment Advisory Agreement are not exclusive, and the Adviser is free to furnish similar or other services to others so long as its services to the Company are not impaired.

30


Under the terms of the Investment Advisory Agreement, the Company will pay the Adviser the Management Fee and may also pay certain Incentive Fees.

The Management Fee is calculated at an annual rate of 1.5 % based on the average value of the Company’s gross assets calculated using the values at the end of the two most recently completed calendar quarters, adjusted for any share issuances or repurchases during the period. The Management Fee is payable quarterly in arrears.

For the three and nine months ended September 30, 2024, Management Fees (gross of waivers) were $ 13.0 million and $ 38.4 million, respectively. For the three and nine months ended September 30, 2023 , Management Fees (gross of waivers) were $ 11.9 million and $ 34.1 million, respectively.

Any waived Management Fees are not subject to recoupment by the Adviser.

The Adviser intends to waive a portion of the Management Fee payable under the Investment Advisory Agreement by reducing the Management Fee on assets financed using leverage over 200 % asset coverage (in other words, over 1.0x debt to equity) (the “Leverage Waiver”). Pursuant to the Leverage Waiver, the Adviser intends to waive the portion of the Management Fee in excess of an annual rate of 1.0 % ( 0.250 % per quarter) on the average value of the Company's gross assets as of the end of the two most recently completed calendar quarters that exceeds the product of (i) 200 % and (ii) the average value of our net asset value at the end of the two most recently completed calendar quarters. The Adviser waived Management Fees of $ 0.3 million and $ 1.0 million, respectively, for the three and nine months ended September 30, 2024 pursuant to the Leverage Waiver. For the three and nine months ended September 30, 2023 , the Adviser waived Management Fees of $ 0.3 million and $ 0.8 million, respectively, pursuant to the Leverage Waiver.

The Incentive Fee consists of two parts, as follows:

1.
The first component, payable at the end of each quarter in arrears, equals 100 % of the pre-Incentive Fee net investment income in excess of a 1.5 % quarterly “hurdle rate,” the calculation of which is further explained below, until the Adviser has received 17.5 % of the total pre-Incentive Fee net investment income for that quarter and, for pre-Incentive Fee net investment income in excess of 1.82 % quarterly, 17.5 % of all remaining pre-Incentive Fee net investment income for that quarter. The 100 % “catch-up” provision for pre-Incentive Fee net investment income in excess of the 1.5 % “hurdle rate” is intended to provide the Adviser with an Incentive Fee of 17.5 % on all pre-Incentive Fee net investment income when that amount equals 1.82 % in a quarter ( 7.28 % annualized), which is the rate at which catch-up is achieved. Once the “hurdle rate” is reached and catch-up is achieved, 17.5 % of any pre-Incentive Fee net investment income in excess of 1.82 % in any quarter is payable to the Adviser.

Pre-Incentive Fee net investment income means dividends, interest and fee income accrued by the Company during the calendar quarter, minus the Company’s operating expenses for the quarter (including the Management Fee, expenses payable under the Administration Agreement to the Administrator, and any interest expense and dividends paid on any issued and outstanding preferred stock, but excluding the Incentive Fee). Pre-Incentive Fee net investment income includes, in the case of investments with a deferred interest feature (such as original issue discount, debt instruments with pay-in-kind interest and zero coupon securities), accrued income that the Company may not have received in cash. Pre-Incentive Fee net investment income does not include any realized capital gains, realized capital losses or unrealized capital gains or losses.

2.
The second component, payable at the end of each fiscal year in arrears, equaled 15 % through March 31, 2014 and, beginning April 1, 2014, equals a weighted percentage of cumulative realized capital gains from the Company’s inception to the end of that fiscal year, less cumulative realized capital losses and unrealized capital losses. This component of the Incentive Fee is referred to as the Capital Gains Fee. Each year, the fee paid for this component of the Incentive Fee is net of the aggregate amount of any previously paid Capital Gains Fee for prior periods. For capital gains that accrue following March 31, 2014, the Incentive Fee rate is 17.5 %. The Company accrues, but does not pay, a capital gains Incentive Fee with respect to unrealized capital gains because a capital gains Incentive Fee would be owed to the Adviser if the Company were to sell the relevant investment and realize a capital gain. The weighted percentage is intended to ensure that for each fiscal year following the completion of the IPO, the portion of the Company’s realized capital gains that accrued prior to March 31, 2014, is subject to an Incentive Fee rate of 15 % and the portion of the Company’s realized capital gains that accrued beginning April 1, 2014 is subject to an Incentive Fee rate of 17.5 %. In the determination of the second component of the Incentive Fee, any unrealized gains/(losses) specifically related to the foreign currency denominated borrowings of non-US dollar denominated investments is offset against any associated unrealized gains/(losses) related to foreign currency denominated investments. As of March 31, 2020, there were no remaining investments that were made prior to April 1, 2014, and as a result, the Incentive Fee rate of 17.5 % is applicable to any future realized capital gains.

For purposes of determining whether pre-Incentive Fee net investment income exceeds the hurdle rate, pre-Incentive Fee net investment income is expressed as a rate of return on the value of the Company’s net assets at the end of the immediately preceding calendar quarter.

31


Section 205(b)(3) of the Investment Advisers Act of 1940, as amended (the “Advisers Act”), prohibits the Adviser from receiving the payment of fees on unrealized gains until those gains are realized, if ever. There can be no assurance that such unrealized gains will be realized in the future.

For three and nine months ended September 30, 2024, Incentive Fees were $ 8.9 million and $ 29.1 million, respectively, of which $ 11.2 million and $ 33.5 million, respectively, were realized and payable to the Adviser. For the three and nine months ended September 30, 2023 , Incentive Fees were $ 13.7 million and $ 36.2 million, respectively, of which $ 11.2 million and $ 31.1 million, respectively, were realized and payable to the Adviser. For the three and nine months ended September 30, 2024, $( 2.2 ) million and $( 4.4 ) million, respectively, of Incentive Fees was accrued related to the reversal of Capital Gains Fees. For the three and nine months ended September 30, 2023 , $ 2.6 million and $ 5.1 million, respectively, of Incentive Fees were accrued related to Capital Gains Fees. As of September 30, 2024, the Capital Gains Fees accrued are not contractually payable to the Adviser.

Any waived Incentive Fees are not subject to recoupment by the Adviser.

Since the Company’s IPO, with the exception of its waiver of Management Fees and certain Incentive Fees attributable to the Company’s ownership of certain investments and the Leverage Waiver, the Adviser has not waived its right to receive any Management Fees or Incentive Fees payable pursuant to the Investment Advisory Agreement.

In November 2024, the Board renewed the Investment Advisory Agreement. Unless earlier terminated as described below, the Investment Advisory Agreement will remain in effect until November 2025, and may be extended subject to required approvals. The Investment Advisory Agreement will automatically terminate in the event of an assignment and may be terminated by either party without penalty on 60 days’ written notice to the other party.

From time to time, the Adviser may pay amounts owed by the Company to third-party providers of goods or services, including the Board, and the Company will subsequently reimburse the Adviser for such amounts paid on its behalf. Amounts payable to the Adviser are settled in the normal course of business without formal payment terms.

4. Investments at Fair Value

Under the 1940 Act, the Company is required to separately identify non-controlled investments where it owns 5% or more of a portfolio company’s outstanding voting securities as investments in “affiliated” companies. In addition, under the 1940 Act, the Company is required to separately identify investments where it owns more than 25% of a portfolio company’s outstanding voting securities and/or had the power to exercise control over the management or policies of such portfolio company as investments in “controlled” companies. Detailed information with respect to the Company’s non-controlled, non-affiliated; non-controlled, affiliated; and controlled, affiliated investments is contained in the accompanying consolidated financial statements, including the Consolidated Schedules of Investments. The information in the tables below is presented on an aggregate portfolio basis, without regard to whether they are non-controlled, non-affiliated; non-controlled, affiliated; or controlled, affiliated investments.

Investments at fair value consisted of the following at September 30, 2024 and December 31, 2023:

September 30, 2024

Amortized Cost (1)

Fair Value

Net Unrealized
Gain (Loss)

First-lien debt investments

$

3,181,271

$

3,206,400

$

25,129

Second-lien debt investments

52,758

26,300

( 26,458

)

Mezzanine debt investments

35,921

37,436

1,515

Equity and other investments

156,297

165,912

9,615

Structured credit investments

4,843

5,027

184

Total Investments

$

3,431,090

$

3,441,075

$

9,985

December 31, 2023

Amortized Cost (1)

Fair Value

Net Unrealized
Gain (Loss)

First-lien debt investments

$

2,956,079

$

2,996,177

$

40,098

Second-lien debt investments

51,423

35,975

( 15,448

)

Mezzanine debt investments

38,022

39,471

1,449

Equity and other investments

152,623

155,600

2,977

Structured credit investments

52,865

55,842

2,977

Total Investments

$

3,251,012

$

3,283,065

$

32,053

32


(1)
The amortized cost represents the original cost adjusted for the amortization of discounts or premiums, as applicable, on debt investments using the effective interest method.

The industry composition of investments at fair value at September 30, 2024 and December 31, 2023 is as follows:

September 30, 2024

December 31, 2023

Automotive

1.2

%

1.3

%

Business Services

14.5

%

18.0

%

Chemicals

0.9

%

0.8

%

Communications

3.4

%

3.3

%

Education

4.8

%

5.3

%

Electronics

0.8

%

Financial Services

10.8

%

11.1

%

Healthcare

6.8

%

8.9

%

Hotel, Gaming and Leisure

5.4

%

3.7

%

Human Resource Support Services

11.0

%

11.2

%

Insurance

0.1

%

0.1

%

Internet Services

16.0

%

15.1

%

Manufacturing

3.6

%

2.5

%

Marketing Services

0.3

%

0.3

%

Office Products

0.4

%

0.5

%

Oil, Gas and Consumable Fuels

4.3

%

4.7

%

Other

1.4

%

2.9

%

Pharmaceuticals

1.5

%

Real Estate (1)

0.0

%

Retail and Consumer Products

9.7

%

8.2

%

Transportation

3.1

%

2.1

%

Total

100.0

%

100.0

%

(1)
Value sums to less than 0.1 %.

The geographic composition of investments at fair value at September 30, 2024 and December 31, 2023 is as follows:

September 30, 2024

December 31, 2023

United States

Midwest

12.7

%

10.7

%

Northeast

22.3

%

25.4

%

South

20.3

%

20.7

%

West

31.3

%

32.0

%

Australia

1.7

%

1.8

%

Canada

2.8

%

4.5

%

Finland (1)

0.0

%

0.0

%

France

0.1

%

Germany

1.7

%

0.3

%

Luxembourg

0.1

%

0.1

%

Netherlands

0.4

%

0.1

%

Norway

2.8

%

1.5

%

Sweden

0.3

%

United Kingdom

3.5

%

2.9

%

Total

100.0

%

100.0

%

(1)
Value sums to less than 0.1 % .

5. Derivatives

Interest Rate Swaps

The Company enters into interest rate swap transactions from time to time to hedge fixed rate debt obligations and certain fixed rate debt investments. The Company’s interest rate swaps are all with one counterparty and are centrally cleared through a registered

33


commodities exchange. Refer to the Consolidated Schedule of Investments for additional disclosure regarding these interest rate swaps.

The following tables present the amounts paid and received on the Company’s interest rate swap transactions, excluding upfront fees, for the three and nine months ended September 30, 2024 and 2023:

For the Three Months Ended September 30, 2024

For the Nine Months Ended September 30, 2024

Maturity Date

Notional Amount

Paid

Received

Net

Paid

Received

Net

Interest rate swap

11/1/2024

$

300,000

$

( 6,021

)

$

2,906

$

( 3,115

)

$

( 17,953

)

$

8,719

$

( 9,234

)

Interest rate swap

11/1/2024

50,000

( 1,030

)

484

( 546

)

( 3,060

)

1,453

( 1,607

)

Interest rate swap

11/1/2024

2,500

( 24

)

50

26

( 72

)

150

78

Interest rate swap

8/1/2026

300,000

( 5,759

)

1,875

( 3,884

)

( 17,108

)

5,583

( 11,525

)

Interest rate swap

8/14/2028

300,000

( 6,387

)

5,213

( 1,174

)

( 19,044

)

15,637

( 3,407

)

Interest rate swap

3/1/2029

350,000

( 6,955

)

5,360

( 1,595

)

( 19,138

)

14,828

( 4,310

)

Total

$

1,302,500

$

( 26,176

)

$

15,888

$

( 10,288

)

$

( 76,375

)

$

46,370

$

( 30,005

)

For the Three Months Ended September 30, 2023

For the Nine Months Ended September 30, 2023

Maturity Date

Notional Amount

Paid

Received

Net

Paid

Received

Net

Interest rate swap (1)

1/22/2023

$

$

$

$

$

( 663

)

$

431

$

( 232

)

Interest rate swap

11/1/2024

300,000

( 5,911

)

2,906

( 3,005

)

( 16,744

)

8,719

( 8,025

)

Interest rate swap

11/1/2024

50,000

( 1,011

)

484

( 527

)

( 2,859

)

1,453

( 1,406

)

Interest rate swap

11/1/2024

2,500

( 24

)

49

25

( 72

)

140

68

Interest rate swap

8/1/2026

300,000

( 5,651

)

1,854

( 3,797

)

( 15,913

)

5,563

( 10,350

)

Interest rate swap

8/14/2028

300,000

( 2,909

)

2,375

( 534

)

( 2,909

)

2,375

( 534

)

Total

$

952,500

$

( 15,506

)

$

7,668

$

( 7,838

)

$

( 39,160

)

$

18,681

$

( 20,479

)

(1)
As of September 30, 2023 , these interest rate swaps had either matured or been terminated due to repayment of the underlying investment or security.

For the three and nine months ended September 30, 2024, the Company recognized $ 32.9 million and $ 25.5 million in unrealized gains, respectively, on interest rate swaps designated as hedging instruments in the Consolidated Statements of Operations. For the three and nine months ended September 30, 2024, this amount is offset by an increase of $ 3.7 million and an increase of $ 9.1 million, respectively, for a change in the carrying value of the 2024 Notes (as defined below), an increase of $ 8.2 million and an increase of $ 8.9 million, respectively, for a change in carrying value of the 2026 Notes (as defined below), an increase of $ 9.3 million and an increase of $ 2.1 million, respectively, for a change in carrying value of the 2028 Notes (as defined below) and an increase of $ 11.7 million and an increase of $ 5.4 million, respectively, for a change in carrying value of the 2029 Notes (as defined below).

For the three and nine months ended September 30, 2023 , the Company recognized no net unrealized gains or losses and $ 0.2 million in net unrealized gains, respectively, on interest rate swaps not designated as hedging instruments in the Consolidated Statements of Operations related to the swap transactions. For the three and nine months ended September 30, 2023 , the Company recognized net unrealized losses of $ 3.3 million and $ 0.9 million, respectively, on interest rate swaps designated as hedging instruments in the Consolidated Statements of Operations. For the three and nine months ended September 30, 2023 , this amount is offset by an increase of $ 2.5 million and an increase of $ 4.3 million, respectively, for a change in the carrying value of the 2024 Notes, an increase of $ 0.3 million and an increase of $ 0.9 million, respectively, for a change in carrying value of the 2026 Notes and a decrease of $( 6.1 ) million for a change in carrying value of the 2028 Notes.

As of September 30, 2024, the swap transactions had a fair value of $( 6.3 ) million which is netted against cash collateral on the Company’s Consolidated Balance Sheet. As of December 31, 2023 , the swap transactions had a fair value of $( 31.8 ) million which is netted against cash collateral on the Company’s Consolidated Balance Sheet.

The Company is required under the terms of its derivatives agreements to pledge assets as collateral to secure its obligations underlying the derivatives. The amount of collateral required varies over time based on the mark-to-market value, notional amount and remaining term of the derivatives, and may exceed the amount owed by the Company on a mark-to-market basis. Any failure by the Company to fulfill any collateral requirement (e.g., a so-called “margin call”) may result in a default. In the event of a default by a counterparty, the Company would be an unsecured creditor to the extent of any such overcollateralization.

34


As of September 30, 2024, $ 23.2 million of cash was pledged as collateral under the Company’s derivative agreements and is included in restricted cash as a component of cash and cash equivalents on the Company’s Consolidated Balance Sheet. As of December 31, 2023 , $ 24.0 million of cash was pledged as collateral under the Company’s derivative agreements and is included in restricted cash as a component of cash and cash equivalents on the Company’s Consolidated Balance Sheet.

6. Fair Value of Financial Instruments

Investments

The following tables present fair value measurements of investments as of September 30, 2024 and December 31, 2023:

Fair Value Hierarchy at September 30, 2024

Level 1

Level 2

Level 3

Total

First-lien debt investments

$

$

17,408

$

3,188,992

$

3,206,400

Second-lien debt investments

1,355

24,945

26,300

Mezzanine debt investments

37,436

37,436

Equity and other investments

3,688

11,914

150,310

165,912

Structured credit investments

5,027

5,027

Total investments at fair value

$

3,688

$

35,704

$

3,401,683

$

3,441,075

Interest rate swaps

( 6,344

)

( 6,344

)

Total

$

3,688

$

29,360

$

3,401,683

$

3,434,731

Fair Value Hierarchy at December 31, 2023

Level 1

Level 2

Level 3

Total

First-lien debt investments

$

$

2,391

$

2,993,786

$

2,996,177

Second-lien debt investments

35,975

35,975

Mezzanine debt investments

606

38,865

39,471

Equity and other investments

5,180

10,089

140,331

155,600

Structured credit investments

55,842

55,842

Total investments at fair value

$

5,180

$

68,928

$

3,208,957

$

3,283,065

Interest rate swaps

( 31,840

)

( 31,840

)

Total

$

5,180

$

37,088

$

3,208,957

$

3,251,225

Transfers between levels, if any, are recognized at the beginning of the quarter in which the transfers occur.

The following tables present the changes in the fair value of investments for which Level 3 inputs were used to determine the fair value as of and for the three and nine months ended September 30, 2024:

As of and for the Three Months Ended

September 30, 2024

First-lien
debt
investments

Second-lien
debt
investments

Mezzanine
debt
investments

Equity
and other
investments

Total

Balance, beginning of period

$

3,074,994

$

27,993

$

42,282

$

148,072

$

3,293,341

Purchases or originations

205,012

205,012

Repayments / redemptions

( 96,546

)

( 1,643

)

( 4,880

)

( 103,069

)

Sales Proceeds

Paid-in-kind interest

5,702

336

1,153

79

7,270

Net change in unrealized gains (losses)

( 4,540

)

( 1,783

)

( 1,161

)

2,159

( 5,325

)

Net realized gains (losses)

( 1

)

( 1

)

Net amortization of discount on securities

4,371

42

42

4,455

Transfers within Level 3

Transfers into (out of) Level 3

Balance, End of Period

$

3,188,992

$

24,945

$

37,436

$

150,310

$

3,401,683

35


As of and for the Nine Months Ended

September 30, 2024

First-lien
debt
investments

Second-lien
debt
investments

Mezzanine
debt
investments

Equity
and other
investments

Total

Balance, beginning of period

$

2,993,786

$

35,975

$

38,865

$

140,331

$

3,208,957

Purchases or originations

655,040

2,004

4,151

661,195

Repayments / redemptions

( 466,635

)

( 3,177

)

( 4,879

)

( 474,691

)

Sales Proceeds

( 9,109

)

( 9,109

)

Paid-in-kind interest

19,090

905

3,331

236

23,562

Net change in unrealized gains (losses)

( 15,021

)

( 10,878

)

39

5,592

( 20,268

)

Net realized gains (losses)

( 2,392

)

( 2,392

)

Net amortization of discount on securities

14,233

116

80

14,429

Transfers within Level 3

Transfers into (out of) Level 3

Balance, End of Period

$

3,188,992

$

24,945

$

37,436

$

150,310

$

3,401,683

The following tables present the changes in the fair value of investments for which Level 3 inputs were used to determine the fair value as of and for the three and nine months ended September 30, 2023:

As of and for the Three Months Ended

September 30, 2023

First-lien
debt
investments

Second-lien
debt
investments

Mezzanine
debt
investments

Equity
and other
investments

Total

Balance, beginning of period

$

2,777,390

$

39,708

$

40,237

$

136,186

$

2,993,521

Purchases or originations

176,758

1,062

177,820

Repayments / redemptions

( 142,031

)

( 102

)

( 142,133

)

Sale Proceeds

( 5,380

)

( 5,380

)

Paid-in-kind interest

3,830

207

996

5,033

Net change in unrealized gains (losses)

10,480

1

( 2,373

)

( 4,371

)

3,737

Net realized gains (losses)

( 173

)

3,366

3,193

Net amortization of discount on securities

4,792

24

9

4,825

Transfers within Level 3

( 2,500

)

2,500

Transfers into (out of) Level 3

Balance, End of Period

$

2,831,046

$

39,940

$

36,267

$

133,363

$

3,040,616

As of and for the Nine Months Ended

September 30, 2023

First-lien
debt
investments

Second-lien
debt
investments

Mezzanine
debt
investments

Equity
and other
investments

Total

Balance, beginning of period

$

2,495,959

$

40,762

$

10,158

$

147,059

$

2,693,938

Purchases or originations

594,216

4,850

29,806

3,122

631,994

Repayments / redemptions

( 318,424

)

( 102

)

( 318,526

)

Sale Proceeds

( 11,188

)

( 11,188

)

Paid-in-kind interest

10,127

401

1,139

11,667

Net change in unrealized gains (losses)

37,626

( 6,140

)

( 2,270

)

( 17,299

)

11,917

Net realized gains (losses)

( 198

)

8,438

8,240

Net amortization of discount on securities

11,740

67

36

11,843

Transfers within Level 3

( 2,500

)

2,500

Transfers into (out of) Level 3

731

731

Balance, End of Period

$

2,831,046

$

39,940

$

36,267

$

133,363

$

3,040,616

36


Certain of the Company's investment positions in Copper Bidco, LLC were transferred into Level 3 from Level 2 for fair value measurement purposes during the nine months ended September 30, 2023, as a result of changes in the observability of inputs into the security valuation for this portfolio company.

The following table presents information with respect to the net change in unrealized gains or losses on investments for which Level 3 inputs were used in determining fair value that are still held by the Company at September 30, 2024 and 2023:

Net Change in Unrealized

Net Change in Unrealized

Gains or (Losses)

Gains or (Losses)

for the Three Months Ended

for the Three Months Ended

September 30, 2024 on

September 30, 2023 on

Investments Held at

Investments Held at

September 30, 2024

September 30, 2023

First-lien debt investments

$

( 3,523

)

$

11,306

Second-lien debt investments

( 1,783

)

1

Mezzanine debt investments

( 1,161

)

411

Equity and other investments

2,159

( 1,400

)

Total

$

( 4,308

)

$

10,318

Net Change in Unrealized

Net Change in Unrealized

Gains or (Losses)

Gains or (Losses)

for the Nine Months Ended

for the Nine Months Ended

September 30, 2024 on

September 30, 2023 on

Investments Held at

Investments Held at

September 30, 2024

September 30, 2023

First-lien debt investments

$

( 9,926

)

$

40,214

Second-lien debt investments

( 10,877

)

( 6,140

)

Mezzanine debt investments

39

976

Equity and other investments

5,592

( 9,947

)

Total

$

( 15,172

)

$

25,103

The following tables present the fair value of Level 3 Investments at fair value and the significant unobservable inputs used in the valuations as of September 30, 2024 and December 31, 2023. The tables are not intended to be all-inclusive, but instead capture the significant unobservable inputs relevant to the Company’s determination of fair values.

September 30, 2024

Valuation

Unobservable

Range (Weighted

Impact to Valuation
from an

Fair Value

Technique

Input

Average)

Increase to Input

First-lien debt investments

$

3,188,992

Income approach (1)

Discount rate

8.3 % — 22.0 % ( 13.0 %)

Decrease

Second-lien debt investments

24,945

Income approach (2)

Discount rate

14.4 % — 18.7 % ( 16.0 %)

Decrease

Mezzanine debt investments

37,436

Income approach (3)

Discount rate

13.0 % — 22.5 % ( 13.4 %)

Decrease

Equity and other investments

150,310

Market Multiple (4)

Comparable multiple

2.0 x — 20.0 x ( 7.2 x)

Increase

Total

$

3,401,683

(1)
Includes $ 87.7 million of debt investments which were valued using an asset valuation waterfall and $ 60.9 million of debt investments which, due to the proximity of the transactions relative to the measurement dates, were valued using the cost of the investments.
(2)
Includes $ 12.8 million of debt investments which were valued using an asset valuation waterfall.
(3)
Includes $ 0.1 million of debt investments which were valued using an asset valuation waterfall.
(4)
Includes $ 3.2 million of equity investments which were valued using an asset valuation waterfall, $ 0.4 million of equity investments using a Black-Scholes model, and $ 17.4 million of equity investments using discounted cash flow analysis.

December 31, 2023

Valuation

Unobservable

Range (Weighted

Impact to Valuation
from an

Fair Value

Technique

Input

Average)

Increase to Input

First-lien debt investments

$

2,993,786

Income approach (1)

Discount rate

8.7 % — 17.9 % ( 14.2 %)

Decrease

Second-lien debt investments

35,975

Income approach (2)

Discount rate

15.3 % — 21.7 % ( 17.6 %)

Decrease

Mezzanine debt investments

38,865

Income approach (3)

Discount rate

14.6 % — 22.5 % ( 15.4 %)

Decrease

Equity and other investments

140,331

Market Multiple (4)

Comparable multiple

2.0 x — 19.2 x ( 6.7 x)

Increase

Total

$

3,208,957

37


(1)
Includes $ 63.4 million of first-lien debt investments which were valued using an asset valuation waterfall.
(2)
Includes $ 27.2 million of debt investments which were valued using an asset valuation waterfall.
(3)
Includes $ 0.1 million of debt investments which were valued using an asset valuation waterfall.
(4)
Includes $ 6.4 million of equity investments which were valued using an asset valuation waterfall, $ 2.4 million of equity investments using a Black-Scholes model, $ 15.7 million of equity investments using a discounted cash flow analysis and $ 6.2 million of equity investments which, due to the proximity of the transactions relative to the measurement dates, were valued using the cost of the investments.

The Company typically determines the fair value of its performing Level 3 debt investments utilizing a yield analysis. In a yield analysis, a price is ascribed for each investment based upon an assessment of current and expected market yields for similar investments and risk profiles. Additional consideration is given to the expected life, portfolio company performance since close, and other terms and risks associated with an investment. Among other factors, a determinant of risk is the amount of leverage used by the portfolio company relative to the total enterprise value of the company, and the rights and remedies of our investment within each portfolio company’s capital structure.

Significant unobservable quantitative inputs typically considered in the fair value measurement of the Company’s Level 3 debt investments primarily include current market yields, including relevant market indices, but may also include quotes from brokers, dealers, and pricing services as indicated by comparable investments. If debt investments are credit impaired, an enterprise value analysis may be used to value such debt investments; however, in addition to the methods outlined above, other methods such as a liquidation or wind-down analysis may be utilized to estimate enterprise value. For the Company’s Level 3 equity investments, multiples of similar companies’ revenues, earnings before income taxes, depreciation and amortization (“EBITDA”) or some combination thereof and comparable market transactions are typically used.

Financial Instruments Not Carried at Fair Value

Debt

The fair value of the Company’s Revolving Credit Facility, which is categorized as Level 3 within the fair value hierarchy, as of September 30, 2024 and December 31, 2023, approximates its carrying value as the outstanding balance is callable at carrying value.

The following table presents the fair value of the Company’s 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes, as of September 30, 2024 and December 31, 2023.

September 30, 2024

December 31, 2023

Outstanding
Principal

Fair
Value
(1)

Outstanding
Principal

Fair
Value
(1)

2024 Notes

$

347,500

$

346,793

$

347,500

$

340,862

2026 Notes

300,000

286,545

300,000

273,410

2028 Notes

300,000

316,335

300,000

309,420

2029 Notes

350,000

359,363

Total

$

1,297,500

$

1,309,036

$

947,500

$

923,692

(1)
The fair value is based on broker quotes received by the Company and is categorized as Level 2 within the fair value hierarchy.

Other Financial Assets and Liabilities

Under the fair value hierarchy, cash and cash equivalents are classified as Level 1 while the Company’s other assets and liabilities, other than investments at fair value and Revolving Credit Facility, are classified as Level 2.

7. Debt

Revolving Credit Facility

On August 23, 2012, the Company entered into a senior secured revolving credit agreement with Truist Bank (as a successor by merger to SunTrust Bank), as administrative agent, and J.P. Morgan Chase Bank, N.A., as syndication agent, and certain other lenders (as amended and restated, the “Revolving Credit Facility”).

As of September 30, 2024 , aggregate commitments under the facility were $ 1.7 billion. The facility includes an uncommitted accordion feature that allows the Company, under certain circumstances, to increase the size of the facility to up to $ 2.0 billion.

Pursuant to the Fourteenth Amendment dated June 12, 2023, with respect to $ 1.465 billion in commitments, the revolving period, during which period the Company, subject to certain conditions, may make borrowings under the facility, was extended to June 11,

38


2027 and the stated maturity date was extended to June 12, 2028 . For the remaining $ 220.0 million of commitments, (A) with respect to $ 50.0 million of commitments, the revolving period ends on February 4, 2025 and the stated maturity is February 4, 2026 and (B) with respect to $ 170.0 million of commitments, the revolving period ends April 24, 2026 and the stated maturity is April 23, 2027 .

Pursuant to the Fifteenth Amendment dated April 24, 2024, aggregate commitments were increased to $ 1.7 billion. With respect to $ 1.505 billion of commitments, the revolving period was extended to April 24, 2028 and the stated maturity was extended to April 24, 2029 . For the remaining $ 195.0 million of commitments, (A) with respect to $ 25.0 million of commitments, the revolving period ends on February 4, 2025 and the stated maturity is February 4, 2026 and (B) with respect to $ 170.0 million of commitments, the revolving period ends April 24, 2026 and the stated maturity is April 23, 2027 .

The Company may borrow amounts in U.S. dollars or certain other permitted currencies. As of September 30, 2024, the Company had outstanding debt denominated in Australian dollars (AUD) of 64.9 million, British pounds (GBP) of 43.5 million, Canadian dollars (CAD) of 5.0 million, Swedish Krona (SEK) of 78.8 million and Euro (EUR) of 149.2 million on its Revolving Credit Facility, included in the Outstanding Principal amount in the table below. As of December 31, 2023, the Company had outstanding debt denominated in Australian dollars (AUD) of 66.4 million, British pounds (GBP) of 32.3 million, Canadian dollars (CAD) of 96.8 million, and Euro (EUR) of 57.2 million on our Revolving Credit Facility, included in the Outstanding Principal amount in the table below.

The Revolving Credit Facility also provides for the issuance of letters of credit up to an aggregate amount of $ 75 million. As of September 30, 2024 and December 31, 2023 the Company had $ 3.0 million and $ 0.2 million, respectively, of letters of credit issued through the Revolving Credit Facility. The amount available for borrowing under the Revolving Credit Facility is reduced by any letters of credit issued through the Revolving Credit Facility.

Amounts drawn under the Revolving Credit Facility, including amounts drawn in respect of letters of credit, bear interest at either the applicable reference rate plus an applicable credit spread adjustment, plus a margin of either 1.75 % or 1.875 %, or the base rate plus a margin of either 0.75 % or 0.875 %, in each case, based on the total amount of the borrowing base relative to the sum of the total commitments (or, if greater, the total exposure) under the Revolving Credit Facility plus certain other designated secured debt. The Company may elect either the applicable reference rate or base rate at the time of drawdown, and loans may be converted from one rate to another at any time, subject to certain conditions. The Company also pays a fee of 0.375 % on undrawn amounts and, in respect of each undrawn letter of credit, a fee and interest rate equal to the then applicable margin while the letter of credit is outstanding.

The Revolving Credit Facility is guaranteed by Sixth Street SL SPV, LLC, TC Lending, LLC and Sixth Street SL Holding, LLC. The Revolving Credit Facility is secured by a perfected first-priority security interest in substantially all the portfolio investments held by the Company and each guarantor. Proceeds from borrowings may be used for general corporate purposes, including the funding of portfolio investments.

The Revolving Credit Facility includes customary events of default, as well as customary covenants, including restrictions on certain distributions and financial covenants. In accordance with the terms of the Fifteenth Amendment, the financial covenants require:

an asset coverage ratio of no less than 1.5 to 1 on the last day of any fiscal quarter;
stockholders’ equity of at least $ 650 million plus 25 % of the net proceeds of the sale of equity interests after April 24, 2024; and
a minimum asset coverage ratio of no less than 2 to 1 with respect to (i) the consolidated assets of the Company and the subsidiary guarantors (including certain limitations on the contribution of equity in financing subsidiaries) to (ii) the secured debt of the Company and its subsidiary guarantors plus unsecured senior securities of the Company and its subsidiary guarantors that mature within 90 days of the date of determination (the “Obligor Asset Coverage Ratio”).

The Revolving Credit Facility also contains certain additional concentration limits in connection with the calculation of the borrowing base, based on the Obligor Asset Coverage Ratio.

Net proceeds received from the Company’s common stock issuances in February 2024 and April 2024 and net proceeds received from the issuance of the 2029 Notes were used to pay down borrowings on the Revolving Credit Facility.

As of September 30, 2024 and December 31, 2023, the Company was in compliance with the terms of the Revolving Credit Facility.

39


2023 Notes

In January 2018, the Company issued $ 150.0 million aggregate principal amount of unsecured notes that matured on January 22, 2023 (the “2023 Notes”). The principal amount of the 2023 Notes was payable at maturity. The 2023 Notes bore interest at a rate of 4.50 % per year, payable semi-annually commencing on July 22, 2018, and were redeemable in whole or in part at the Company’s option at any time at par plus a “make whole” premium. Total proceeds from the issuance of the 2023 Notes, net of underwriting discounts and offering costs, were $ 146.9 million. The Company used the net proceeds of the 2023 Notes to repay outstanding indebtedness under the Revolving Credit Facility. The 2023 Notes matured on January 22, 2023 and were fully repaid in cash. The swap transaction associated with the issuance of the 2023 Notes also matured on January 22, 2023.

2024 Notes

In November 2019, the Company issued $ 300.0 million aggregate principal amount of unsecured notes that matured on November 1, 2024 (the “2024 Notes”). The principal amount of the 2024 Notes was payable at maturity. The 2024 Notes bear interest at a rate of 3.875 % per year, payable semi-annually commencing on May 1, 2020, and may be redeemed in whole or in part at our option at any time at par plus a “make whole” premium. Total proceeds from the issuance of the 2024 Notes, net of underwriting discounts, offering costs and original issue discount were $ 292.9 million. The Company used the net proceeds of the 2024 Notes to repay outstanding indebtedness under the Revolving Credit Facility.

On February 5, 2020, the Company issued an additional $ 50.0 million aggregate principal amount of unsecured notes that mature on November 1, 2024 . The additional 2024 Notes are a further issuance of, fungible with, rank equally in right of payment with and have the same terms (other than the issue date and the public offering price) as the initial issuance of 2024 Notes. Total proceeds from the issuance of the additional 2024 Notes, net of underwriting discounts, offering costs and original issue premium were $ 50.1 million. The Company used the net proceeds of the 2024 Notes to repay outstanding indebtedness under the Revolving Credit Facility.

In connection with the 2024 Notes offering and the reopening of the 2024 Notes, the Company entered into interest rate swaps to align the interest rates of its liabilities with the Company’s investment portfolio, which consists of predominately floating rate loans. The notional amount of the two interest rates swaps is $ 300.0 million and $ 50.0 million, respectively, each of which matures on November 1, 2024 , matching the maturity date of the 2024 Notes. As a result of the swaps, the Company’s effective interest rate on the 2024 Notes is SOFR plus 2.54 % (on a weighted average basis). The interest expense related to the 2024 Notes is offset by proceeds received from the interest rate swaps designated as a hedge. The swap adjusted interest expense is included as a component of interest expense on the Company’s Consolidated Statements of Operations. As of September 30, 2024, and December 31, 2023, the effective hedge interest rate swaps had a fair value of $( 1.3 ) million and $( 10.4 ) million, respectively, which is offset within interest expense by an equal, but opposite, fair value change for the hedged risk on the 2024 Notes.

During the year ended December 31, 2020, the Company repurchased on the open market and extinguished $ 2.5 million in aggregate principal amount of the 2024 Notes for $ 2.4 million. In connection with the repurchase of the 2024 Notes, the Company entered into a floating-to-fixed interest rate swap with a notional amount equal to the amount of 2024 Notes repurchased, which had the effect of reducing the notional exposure of the fixed-to-floating interest rate swaps, which were entered into in connection with the issuance of the 2024 Notes, to match the remaining principal amount of the 2024 Notes outstanding. As a result of the swap, the Company’s effective interest rate on the outstanding 2024 Notes is SOFR plus 2.54 % (on a weighted average basis).

2026 Notes

On February 3, 2021, the Company issued $ 300.0 million aggregate principal amount of unsecured notes that mature on August 1, 2026 (the “2026 Notes”). The principal amount of the 2026 Notes is payable at maturity. The 2026 Notes bear interest at a rate of 2.50 % per year, payable semi-annually commencing on August 1, 2021, and may be redeemed in whole or in part at the Company’s option at any time at par plus a “make whole” premium. Total proceeds from the issuance of the 2026 Notes, net of underwriting discounts, offering costs and original issue discount, were $ 293.7 million. The Company used the net proceeds of the 2026 Notes to repay outstanding indebtedness under the Revolving Credit Facility.

In connection with the issuance of the 2026 Notes, the Company entered into an interest rate swap to align the interest rates of its liabilities with the Company’s investment portfolio, which consists of predominately floating rate loans. The notional amount of the interest rate swap is $ 300.0 million, which matures on August 1, 2026 , matching the maturity date of the 2026 Notes. As a result of the swap, the Company’s effective interest rate on the 2026 Notes is SOFR plus 2.17 %. The interest expense related to the 2026 Notes is offset by proceeds received from the interest rate swaps designated as a hedge. The swap adjusted interest expense is included as a component of interest expense on the Company’s Consolidated Statements of Operations. As of September 30, 2024 and December 31, 2023 the effective hedge interest rate swaps had a fair value of $( 17.2 ) million and $( 26.1 ) million, respectively, which is offset within interest expense by an equal, but opposite, fair value change for the hedged risk on the 2026 Notes.

40


2028 Notes

On August 14, 2023, the Company issued $ 300.0 million aggregate principal amount of unsecured notes that mature on August 14, 2028 (the “2028 Notes”). The principal amount of the 2028 Notes is payable at maturity. The 2028 Notes bear interest at a rate of 6.95 % per year, payable semi-annually commencing on February 14, 2024, and may be redeemed in whole or in part at the Company’s option at any time at par plus a “make whole” premium. Total proceeds from the issuance of the 2028 Notes, net of underwriting discounts, offering costs and original issue discount, were $ 293.9 million. The Company used the net proceeds of the 2028 Notes to repay outstanding indebtedness under the Revolving Credit Facility.

In connection with the issuance of the 2028 Notes, the Company entered into an interest rate swap to align the interest rates of its liabilities with the Company’s investment portfolio, which consists of predominately floating rate loans. The notional amount of the interest rate swap is $ 300.0 million, which matures on August 14, 2028 , matching the maturity date of the 2028 Notes. As a result of the swap, the Company’s effective interest rate on the 2028 Notes is SOFR plus 2.99 %. The interest expense related to the 2028 Notes is offset by proceeds received from the interest rate swaps designated as a hedge. The swap adjusted interest expense is included as a component of interest expense on the Company’s Consolidated Statements of Operations. As of September 30, 2024 and December 31, 2023, the effective hedge interest rate swaps had a fair value of $ 6.7 million and $ 4.7 million, respectively, which is offset within interest expense by an equal, but opposite, fair value change for the hedged risk on the 2028 Notes.

2029 Notes

On January 8, 2024, the Company issued $ 350.0 million aggregate principal amount of unsecured notes that mature on March 1, 2029 (the “2029 Notes”). The principal amount of the 2029 Notes is payable at maturity. The 2029 Notes bear interest at a rate of 6.125 % per year, payable semi-annually commencing on September 1, 2024, and may be redeemed in whole or in part at the Company’s option at any time at par plus a “make whole” premium. Total proceeds from the issuance of the 2029 Notes, net of underwriting discounts, offering costs and original issue discount, were $ 341.6 million. The Company used the net proceeds of the 2029 Notes to repay outstanding indebtedness under the Revolving Credit Facility.

In connection with the issuance of the 2029 Notes, the Company entered into an interest rate swap to align the interest rates of its liabilities with the Company’s investment portfolio, which consists of predominately floating rate loans. The notional amount of the interest rate swap is $ 350.0 million, which matures on March 1, 2029 , matching the maturity date of the 2029 Notes. As a result of the swap, the Company’s effective interest rate on the 2029 Notes is SOFR plus 2.44 %. The interest expense related to the 2029 Notes is offset by proceeds received from the interest rate swaps designated as a hedge. The swap adjusted interest expense is included as a component of interest expense on the Company’s Consolidated Statements of Operations. As of September 30, 2024, the effective hedge interest rate swaps had a fair value of $ 5.4 million which is offset within interest expense by an equal, but opposite, fair value change for the hedged risk on the 2029 Notes.

For the three and nine months ended September 30, 2024 and 2023, the components of interest expense related to the 2023 Notes, 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes were as follows:

Three Months Ended

Nine Months Ended

September 30, 2024

September 30, 2023

September 30, 2024

September 30, 2023

Interest expense

$

15,813

$

7,963

$

46,547

$

18,840

Accretion of original issue discount

430

237

1,246

623

Amortization of deferred financing costs

910

555

2,666

1,469

Total Interest Expense

$

17,153

$

8,755

$

50,459

$

20,932

Total interest expense in the table above does not include the effect of the interest rate swaps related to the 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes. During the three and nine months ended September 30, 2024, the Company received $ 15.9 million and $ 46.4 million, respectively, and paid $ 26.2 million and $ 76.4 million, respectively, related to the settlements of its interest rate swaps, excluding upfront fees, related to the 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes. During the three and nine months ended September 30, 2023 , the Company received $ 7.7 million and $ 18.7 million, respectively, and paid $ 15.5 million and $ 39.2 million, respectively, related to the settlements of its interest rate swaps, excluding upfront fees, related to the 2023 Notes, 2024 Notes, 2026 Notes and 2028 Notes.

41


As September 30, 2024, the components of the carrying value of the 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes and the stated interest rate were as follows:

September 30, 2024

2024 Notes

2026 Notes

2028 Notes

2029 Notes

Principal amount of debt

$

347,500

$

300,000

$

300,000

$

350,000

Original issue discount, net of accretion

( 34

)

( 768

)

( 1,438

)

( 2,969

)

Deferred financing costs

( 89

)

( 1,372

)

( 3,345

)

( 4,340

)

Fair value of an effective hedge

( 1,290

)

( 17,167

)

6,743

5,370

Carrying value of debt

$

346,087

$

280,693

$

301,960

$

348,061

Stated interest rate

3.88

%

2.50

%

6.95

%

6.13

%

As of December 31, 2023, the components of the carrying value of the 2024 Notes, 2026 Notes, 2028 Notes and the stated interest rate were as follow:

December 31, 2023

2024 Notes

2026 Notes

2028 Notes

Principal amount of debt

$

347,500

$

300,000

$

300,000

Original issue discount, net of accretion

( 335

)

( 1,072

)

( 1,675

)

Deferred financing costs

( 852

)

( 1,932

)

( 3,994

)

Fair value of an effective hedge

( 10,409

)

( 26,111

)

4,680

Carrying value of debt

$

335,904

$

270,885

$

299,011

Stated interest rate

3.88

%

2.50

%

6.95

%

The stated interest rate in the table above does not include the effect of the interest rate swaps. As of September 30, 2024 , the Company's swap-adjusted interest rate on the 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes was SOFR plus 2.54 % (on a weighted average basis), 2.17 %, 2.99 % and 2.44 %, respectively. As of December 31, 2023 , the Company's swap-adjusted interest rate on the 2024 Notes, 2026 Notes and 2028 Notes was SOFR plus 2.54 % (on a weighted average basis), 2.17 %, and 2.99 %, respectively.

As of September 30, 2024, the Company was in compliance with the terms of the indentures governing the 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes. As of December 31, 2023, the Company was in compliance with the terms of the indentures governing the 2024 Notes, 2026 Notes and 2028 Notes.

In accordance with the 1940 Act, with certain limitations, the Company is allowed to borrow amounts such that its asset coverage, as defined in the 1940 Act, is at least 150% after such borrowing. As of September 30, 2024 and December 31, 2023, the Company’s asset coverage was 184.0 % and 181.6 %, respectively.

Debt obligations consisted of the following as of September 30, 2024 and December 31, 2023:

September 30, 2024

Aggregate
Principal
Amount
Committed

Outstanding
Principal

Amount
Available
(1)

Carrying
Value
(2)(3)

Revolving Credit Facility

$

1,700,000

$

609,980

$

1,087,018

$

593,644

2024 Notes

347,500

347,500

346,087

2026 Notes

300,000

300,000

280,693

2028 Notes

300,000

300,000

301,960

2029 Notes

350,000

350,000

348,061

Total Debt

$

2,997,500

$

1,907,480

$

1,087,018

$

1,870,445

(1)
The amount available may be subject to limitations related to the borrowing base under the Revolving Credit Facility, outstanding letters of credit and asset coverage requirements.
(2)
The carrying values of the Revolving Credit Facility, 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes are presented net of the combination of deferred financing costs and original issue discounts totaling $ 16.3 million, $ 0.1 million, $ 2.1 million, $ 4.8 million and $ 7.3 million, respectively.
(3)
The carrying values of the 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes are presented inclusive of an incremental $( 1.3 ) million, $( 17.2 ) million, $ 6.7 million and $ 5.4 million, respectively, which represents an adjustment in the carrying values of the 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes, each resulting from a hedge accounting relationship.

42


December 31, 2023

Aggregate
Principal
Amount
Committed

Outstanding
Principal

Amount
Available
(1)

Carrying
Value
(2)(3)

Revolving Credit Facility

$

1,710,000

$

889,659

$

820,160

$

874,507

2024 Notes

347,500

347,500

335,904

2026 Notes

300,000

300,000

270,885

2028 Notes

300,000

300,000

299,011

Total Debt

$

2,657,500

$

1,837,159

$

820,160

$

1,780,307

(1)
The amount available may be subject to limitations related to the borrowing base under the Revolving Credit Facility, outstanding letters of credit and asset coverage requirements.
(2)
The carrying values of the Revolving Credit Facility, 2024 Notes, 2026 Notes and 2028 Notes are presented net of the combination of deferred financing costs and original issue discounts totaling $ 15.2 million, $ 1.2 million, $ 3.0 million and $ 5.7 million, respectively.
(3)
The carrying values of the 2024 Notes, 2026 Notes and 2028 Notes are presented inclusive of an incremental $( 10.4 ) million, $( 26.1 ) million and $ 4.7 million, respectively, which represents an adjustment in the carrying values of the 2024 Notes, 2026 Notes and 2028 Notes, each resulting from a hedge accounting relationship.

For the three and nine months ended September 30, 2024 and 2023, the components of interest expense were as follows:

Three Months Ended

Nine Months Ended

September 30, 2024

September 30, 2023

September 30, 2024

September 30, 2023

Interest expense

$

24,779

$

24,752

$

76,976

$

69,073

Commitment fees

1,183

803

3,273

2,070

Amortization of deferred financing costs

1,812

1,413

5,259

3,725

Accretion of original issue discount

430

237

1,246

623

Swap settlement

10,288

7,837

30,005

20,480

Total Interest Expense

$

38,492

$

35,042

$

116,759

$

95,971

Average debt outstanding (in millions)

$

1,817.2

$

1,730.8

$

1,852.8

$

1,671.8

Weighted average interest rate

7.7

%

7.5

%

7.7

%

7.1

%

8. Commitments and Contingencies

Portfolio Company Commitments

From time to time, the Company may enter into commitments to fund investments; such commitments are incorporated into the Company’s assessment of its liquidity position. The Company’s senior secured revolving loan commitments are generally available on a borrower’s demand and may remain outstanding until the maturity date of the applicable loan. The Company’s senior secured delayed draw term loan commitments are generally available on a borrower’s demand and, once drawn, generally have the same remaining term as the associated loan agreement. Undrawn senior secured delayed draw term loan commitments generally have a shorter availability period than the term of the associated loan agreement.

As of September 30, 2024 and December 31, 2023, the Company had the following commitments to fund investments in current portfolio companies:

43


September 30, 2024

December 31, 2023

Alaska Bidco Oy - Delayed Draw & Revolver

$

233

$

231

Alpha Midco, Inc. - Delayed Draw & Revolver

515

470

American Achievement, Corp. - Revolver

2,403

2,403

Apellis Pharmaceuticals, Inc. - Delayed Draw

5,263

Aptean, Inc. - Delayed Draw & Revolver

1,721

Arrow Buyer, Inc. - Delayed Draw

5,479

7,644

Arrowhead Pharmaceuticals, Inc. - Delayed Draw

33,182

Artisan Bidco, Inc. - Revolver

5,717

5,716

ASG II, LLC - Delayed Draw

3,391

Avalara, Inc. - Revolver

3,864

3,863

Axonify, Inc. - Delayed Draw

1,411

3,506

Azurite Intermediate Holdings, Inc. - Delayed Draw, Revolver & Equity

16,262

Babylon Finco Limited - Delayed Draw

287

Banyan Software Holdings, LLC - Delayed Draw

13,505

10,036

Bayshore Intermediate #2, L.P. - Revolver

2,398

1,918

BCTO Ace Purchaser, Inc. - Delayed Draw

206

461

BCTO Bluebill Buyer, Inc. - Delayed Draw

4,144

5,110

Bear OpCo, LLC - Delayed Draw

1,183

Ben Nevis Midco Limited - Delayed Draw

1,365

BlueSnap, Inc. - Delayed Draw & Revolver

6,307

2,500

BTRS Holdings, Inc. - Delayed Draw & Revolver

3,508

5,563

Cirrus (Bidco) Ltd - Delayed Draw

447

Cordance Operations, LLC - Delayed Draw & Revolver

8,986

1,956

Coupa Holdings, LLC - Delayed Draw & Revolver

6,809

6,809

Crewline Buyer, Inc. - Revolver & Equity

6,148

6,148

Disco Parent, Inc. - Revolver

455

455

Dye & Durham Corp. - Revolver

1,236

EDB Parent, LLC - Delayed Draw

6,877

11,492

Edge Bidco B.V. - Delayed Draw & Revolver

1,071

1,060

Elements Finco Limited - Delayed Draw

4,266

Elysian Finco Ltd. - Delayed Draw & Revolver

1,953

4,704

Employment Hero Holdings Pty Ltd. - Delayed Draw & Revolver

9,019

8,871

EMS Linq, Inc. - Revolver

5,446

8,784

Erling Lux Bidco SARL - Delayed Draw & Revolver

8,480

3,184

ExtraHop Networks, Inc. - Delayed Draw & Revolver

4,407

9,803

ForeScout Technologies, Inc. - Delayed Draw & Revolver

800

3,425

Fullsteam Operations, LLC - Delayed Draw & Revolver

7,229

11,246

Galileo Parent, Inc. - Revolver

3,173

6,779

Greenshoot Bidco B.V. - Revolver

438

Heritage Environmental Services, Inc. - Delayed Draw & Revolver

2,521

Hippo XPA Bidco AB - Delayed Draw & Revolver

1,850

Hirevue, Inc. - Revolver

4,083

6,887

Hornetsecurity Holding GmbH - Delayed Draw & Revolver

2,113

Ibis Intermediate Co. - Delayed Draw

6,338

IRGSE Holding Corp. - Revolver

668

878

Kangaroo Bidco AS - Delayed Draw

4,375

9,418

Kyriba Corp. - Revolver

2,488

2,488

Laramie Energy, LLC - Delayed Draw

7,683

LeanTaaS Holdings, Inc. - Delayed Draw

20,883

38,034

Lucidworks, Inc. - Delayed Draw

833

Lynx BidCo - Delayed Draw & Revolver

891

Marcura Equities LTD - Delayed Draw & Revolver

11,667

11,667

Merit Software Finance Holdings, LLC - Delayed Draw & Revolver

15,714

Netwrix Corp. - Delayed Draw & Revolver

2,870

13,056

OutSystems Luxco SARL - Delayed Draw

2,235

2,212

Passport Labs, Inc. - Revolver

2,778

PDI TA Holdings, Inc. - Delayed Draw & Revolver

5,368

Ping Identity Holding Corp. - Revolver

2,273

PrimeRevenue, Inc. - Revolver

6,250

6,250

44


Project44, Inc. - Delayed Draw

19,861

19,861

Rapid Data GmbH Unternehmensberatung - Delayed Draw & Revolver

4,753

6,254

Raptor US Buyer II Corp. - Revolver

682

ReliaQuest Holdings, LLC - Delayed Draw & Equity

821

4,424

Sapphire Software Buyer, Inc. - Revolver

3,243

Scorpio Bidco - Delayed Draw

546

Shiftmove GmbH - Delayed Draw

14,648

SkyLark UK DebtCo Limited - Delayed Draw

7,440

7,071

SL Buyer Corp. - Delayed Draw

11,891

13,175

Sport Alliance GmbH - Revolver

698

Tango Management Consulting, LLC - Delayed Draw & Revolver

4,555

11,043

TRP Assets, LLC - Delayed Draw

1,000

Truck-Lite Co., LLC - Delayed Draw & Revolver

8,699

USA Debusk LLC - Delayed Draw & Revolver

2,612

Varinem German Bidco GmbH - Delayed Draw

3,830

Wrangler Topco, LLC - Delayed Draw & Revolver

1,433

424

Total Portfolio Company Commitments (1)(2)

$

351,349

$

316,107

(1)
Represents the full amount of the Company’s commitments to fund investments on such date. Commitments may be subject to limitations on borrowings set forth in the agreements between the Company and the applicable portfolio company. As a result, portfolio companies may not be eligible to borrow the full commitment amount on such date.
(2)
The Company’s estimate of the fair value of the current investments in these portfolio companies includes an analysis of the fair value of any unfunded commitments .

Other Commitments and Contingencies

As of September 30, 2024 , the Company had an unfunded commitment of $ 5.0 million to a new borrower that is not a current portfolio company. As of December 31, 2023 the Company did no t have any unfunded commitments to fund investments to new borrowers that were not current portfolio companies as of such date.

From time to time, the Company may become a party to certain legal proceedings incidental to the normal course of its business. As of September 30, 2024 and December 31, 2023 , management is not aware of any material pending or threatened litigation that would require accounting recognition or financial statement disclosure.

9. Net Assets

On May 15, 2023, the Company issued a total of 4,500,000 shares of common stock at $ 17.33 per share. Net of underwriting fees and offering costs, the Company received total cash proceeds of $ 77.6 million. Subsequent to the offering, the Company issued an additional 675,000 shares on June 12, 2023 pursuant to the overallotment option granted to underwriters and received, net of underwriting fees, additional total cash proceeds of $ 11.7 million.

On March 5, 2024, the Company issued a total of 4,000,000 shares of common stock at $ 20.52 per share. Net of underwriting fees and offering costs, the Company received total cash proceeds of $ 81.5 million. Subsequent to the offering, the Company issued an additional 600,000 shares on April 1, 2024 pursuant to the overallotment option granted to underwriters and received, net of offering and underwriting fees, additional total cash proceeds of $ 11.9 million.

The Company has a dividend reinvestment plan, whereby the Company may buy shares of its common stock in the open market or issue new shares in order to satisfy dividend reinvestment requests. The number of shares to be issued to a stockholder is determined by dividing the total dollar amount of the cash dividend or distribution payable to a stockholder by the market price per share of the Company’s common stock at the close of regular trading on the NYSE on the payment date of a distribution, or if no sale is reported for such day, the average of the reported bid and ask prices. However, if the market price per share on the payment date of a cash dividend or distribution exceeds the most recently computed net asset value per share, the Company will issue shares at the greater of (i) the most recently computed net asset value per share and (ii) 95 % of the current market price per share (or such lesser discount to the current market price per share that still exceeded the most recently computed net asset value per share). Shares purchased in open market transactions by the plan administrator will be allocated to a stockholder based on the average purchase price, excluding any brokerage charges or other charges, of all shares of common stock purchased in the open market.

45


Pursuant to the Company’s dividend reinvestment plan, the following tables summarize the shares issued to stockholders who have not opted out of the Company’s dividend reinvestment plan during the nine months ended September 30, 2024 and 2023. All shares issued to stockholders in the tables below are newly issued shares.

For the Nine Months Ended

September 30, 2024

Date

Date Declared

Dividend (1)

Record Date

Shares Issued

Shares Issued

February 15, 2024

Supplemental

February 29, 2024

March 20, 2024

36,749

February 15, 2024

Base

March 15, 2024

March 28, 2024

255,308

May 1, 2024

Supplemental

May 31, 2024

June 20, 2024

34,318

May 1, 2024

Base

June 14, 2024

June 28, 2024

261,331

July 31, 2024

Supplemental

August 30, 2024

September 20, 2024

33,887

July 31, 2024

Base

September 16, 2024

September 30, 2024

266,529

Total Shares Issued

888,122

For the Nine Months Ended

September 30, 2023

Date

Date Declared

Dividend (1)

Record Date

Shares Issued

Shares Issued

February 16, 2023

Supplemental

February 28, 2023

March 20, 2023

61,590

February 16, 2023

Base

March 15, 2023

March 31, 2023

300,988

May 8, 2023

Supplemental

May 31, 2023

June 20, 2023

23,686

May 8, 2023

Base

June 15, 2023

June 30, 2023

290,680

August 3, 2023

Supplemental

August 31, 2023

September 20, 2023

35,504

August 3, 2023

Base

September 15, 2023

September 29, 2023

269,763

Total Shares Issued

982,211

(1)
See Note 11 for further information on base, supplemental and special dividends.

During the nine months ended September 30, 2024 and 2023 , we issued 888,122 and 982,211 shares of the Company's common stock, respectively, to investors who have not opted out of the Company's dividend reinvestment plan for proceeds of $ 17.8 million and $ 17.8 million, respectively.

On August 4, 2015, the Company's Board authorized the Company to acquire up to $ 50 million in aggregate of the Company’s common stock from time to time over an initial six month period, and has continued to authorize the refreshment of the $ 50 million amount authorized under and extension of the stock repurchase program prior to its expiration since that time, most recently as of May 1, 2024 . The amount and timing of stock repurchases under the program may vary depending on market conditions, and no assurance can be given that any particular amount of common stock will be repurchased.

No shares were repurchased during the nine months ended September 30, 2024 and 2023 .

10. Earnings per share

The following table sets forth the computation of basic and diluted earnings per common share for the three and nine months ended September 30, 2024 and 2023:

Three Months Ended

Nine Months Ended

September 30, 2024

September 30, 2023

September 30, 2024

September 30, 2023

Increase in net assets resulting from operations

$

40,655

$

64,820

$

135,575

$

170,862

Weighted average shares of common stock outstanding—basic and diluted

93,024,154

87,251,340

91,602,160

84,313,169

Earnings per common share—basic and diluted

$

0.44

$

0.74

$

1.48

$

2.03

46


11. Dividends

The Company has historically paid a dividend to stockholders on a quarterly basis. The Company has a dividend framework that provides for a quarterly base dividend and a variable supplemental dividend, subject to satisfaction of certain measurement tests and the approval of the Board.

The following tables summarize dividends declared during the nine months ended September 30, 2024 and 2023:

For the Nine Months Ended

September 30, 2024

Date Declared

Dividend

Record Date

Payment Date

Dividend per Share

February 15, 2024

Supplemental

February 29, 2024

March 20, 2024

$

0.08

February 15, 2024

Base

March 15, 2024

March 28, 2024

0.46

May 1, 2024

Supplemental

May 31, 2024

June 20, 2024

0.06

May 1, 2024

Base

June 14, 2024

June 28, 2024

0.46

July 31, 2024

Supplemental

August 30, 2024

September 20, 2024

0.06

July 31, 2024

Base

September 16, 2024

September 30, 2024

0.46

Total Dividends Declared

$

1.58

For the Nine Months Ended

September 30, 2023

Date Declared

Dividend

Record Date

Payment Date

Dividend per Share

February 16, 2023

Supplemental

February 28, 2023

March 20, 2023

$

0.09

February 16, 2023

Base

March 15, 2023

March 31, 2023

0.46

May 8, 2023

Supplemental

May 31, 2023

June 20, 2023

0.04

May 8, 2023

Base

June 15, 2023

June 30, 2023

0.46

August 3, 2023

Supplemental

August 31, 2023

September 20, 2023

0.06

August 3, 2023

Base

September 15, 2023

September 29, 2023

0.46

Total Dividends Declared

$

1.57

The dividends declared during the nine months ended September 30, 2024 and 2023 were derived from net investment income, determined on a tax basis.

47


12. Financial Highlights

The following per share data and ratios have been derived from information provided in the consolidated financial statements. The following are the financial highlights for one share of common stock outstanding during the nine months ended September 30, 2024 and 2023.

Nine Months Ended

Nine Months Ended

September 30, 2024

September 30, 2023

Per Share Data (8)

Net asset value, beginning of period

$

17.04

$

16.48

Net investment income (1)

1.77

1.68

Net realized and unrealized gains
(losses)
(1)

( 0.29

)

0.35

Total from operations

1.48

2.03

Issuance of common stock, net of offering costs (2)

0.18

0.03

Dividends declared from net investment income (2)

( 1.58

)

( 1.57

)

Total increase/(decrease) in net assets

0.08

0.49

Net Asset Value, End of Period

$

17.12

$

16.97

Per share market value at end of period

$

20.53

$

20.44

Total return based on market value with reinvestment of dividends (3)

2.77

%

23.65

%

Total return based on market value (4)

2.36

%

25.14

%

Total return based on net asset value (5)

9.74

%

12.49

%

Shares Outstanding, End of Period

93,317,621

87,546,498

Ratios / Supplemental Data (6)(7)

Ratio of net expenses to average net assets

16.69

%

16.71

%

Ratio of net investment income to average net assets

13.81

%

13.39

%

Portfolio turnover

20.06

%

16.12

%

Net assets, end of period

$

1,597,181

$

1,485,822

(1)
The per share data was derived by using the weighted average shares outstanding during the period.
(2)
The per share data was derived by using the actual shares outstanding at the date of the relevant transactions.
(3)
Total return based on market value with dividends reinvested is calculated as the change in market value per share during the period plus declared dividends per share, assuming reinvestment of dividends, divided by the beginning market value per share.
(4)
Total return based on market value is calculated as the change in market value per share during the period plus declared dividends per share, divided by the beginning market value per share.
(5)
Total return based on net asset value is calculated as the change in net asset value per share during the period plus declared dividends per share, divided by the beginning net asset value per share.
(6)
The ratios reflect an annualized amount.
(7)
The ratio of net expenses to average net assets in the table above reflects the Adviser’s waivers of its right to receive a portion of the Management Fee pursuant to the Leverage Waiver for the nine months ended September 30, 2024 and 2023. Excluding the effects of the waivers, the ratio of net expenses to average net assets would have been 16.78 % and 16.79 %, respectively, for the nine months ended September 30, 2024 and 2023.
(8)
Table may not sum due to rounding.

13. Subsequent Events

The Company's 2024 Notes matured on November 1, 2024 and were fully repaid. The corresponding swap transaction associated with the issuance of the 2024 Notes also matured on November 1, 2024 .

48


ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The information contained in this section should be read in conjunction with the consolidated financial statements and notes thereto appearing elsewhere in this report. This discussion also should be read in conjunction with the “Cautionary Statement Regarding Forward-Looking Statements” set forth on page 3 of this Quarterly Report on Form 10-Q.

Overview

Sixth Street Specialty Lending, Inc. is a Delaware corporation formed on July 21, 2010. The Adviser is our external manager. We have four wholly owned subsidiaries, TC Lending, LLC, a Delaware limited liability company, which holds a California finance lender and broker license, Sixth Street SL SPV, LLC, a Delaware limited liability company Sixth Street SL Holding, LLC, a Delaware limited liability company, and Sixth Street Specialty Lending Sub, LLC, a Cayman Islands limited liability company.

We have elected to be regulated as a BDC under the 1940 Act and as a RIC under the Code. We made our BDC election on April 15, 2011. As a result, we are required to comply with various statutory and regulatory requirements, such as:

the requirement to invest at least 70% of our assets in “qualifying assets”;
source of income limitations;
asset diversification requirements; and
the requirement to distribute (or be treated as distributing) in each taxable year at least 90% of our investment company taxable income and tax-exempt interest for that taxable year.

Our shares are listed on the NYSE under the symbol “TSLX.”

Our Investment Framework

We are a specialty finance company focused on lending to middle-market companies. Since we began our investment activities in July 2011, through September 30, 2024, we have originated approximately $40.4 billion aggregate principal amount of investments and retained approximately $10.5 billion aggregate principal amount of these investments on our balance sheet prior to any subsequent exits and repayments. We seek to generate current income primarily in U.S.-domiciled middle-market companies through direct originations of senior secured loans and, to a lesser extent, originations of mezzanine and unsecured loans and investments in corporate bonds, equity securities, and other instruments.

By “middle-market companies,” we mean companies that have annual EBITDA, which we believe is a useful proxy for cash flow, of $10 million to $250 million, although we may invest in larger or smaller companies on occasion. As of September 30, 2024, our core portfolio companies, which exclude certain investments that fall outside of our typical borrower profile and represent 95.5% of our total investments based on fair value, had weighted average annual revenue of $327.1 million and weighted average annual EBITDA of $110.6 million. As of September 30, 2024, our core portfolio companies had a median annual revenue of $149.2 million and a median annual EBITDA of $51.9 million.

We invest in first-lien debt, second-lien debt, mezzanine and unsecured debt and equity and other investments. Our first-lien debt may include stand-alone first-lien loans; “last out” first-lien loans, which are loans that have a secondary priority behind super-senior “first out” first-lien loans; “unitranche” loans, which are loans that combine features of first-lien, second-lien and mezzanine debt, generally in a first-lien position; and secured corporate bonds with similar features to these categories of first-lien loans. Our second-lien debt may include secured loans, and, to a lesser extent, secured corporate bonds, with a secondary priority behind first-lien debt.

The debt in which we invest typically is not rated by any rating agency, but if these instruments were rated, they would likely receive a rating of below investment grade (that is, below BBB- or Baa3 as defined by Standard & Poor’s and Moody’s Investors Services, respectively), which is often referred to as “junk.”

The companies in which we invest use our capital to support organic growth, acquisitions, market or product expansion and recapitalizations (including restructurings). As of September 30, 2024, the largest investment in a single issuer based on fair value represented 2.3% of our total investment portfolio.

As of September 30, 2024, the average investment size in each of our portfolio companies was approximately $29.9 million based on fair value. Portfolio companies includes investments in structured credit investments, which include each series of collateralized loan obligation as a portfolio company investment. When excluding investments in structured credit investments the average investment in our remaining portfolio companies was approximately $30.7 million as of September 30, 2024.

49


Through our Adviser, we consider potential investments utilizing a four-tiered investment framework and against our existing portfolio as a whole:

Business and sector selection. We focus on companies with enterprise value between $50 million and $1 billion. When reviewing potential investments, we seek to invest in businesses with high marginal cash flow, recurring revenue streams and where we believe credit quality will improve over time. We look for portfolio companies that we think have a sustainable competitive advantage in growing industries or distressed situations. We also seek companies where our investment will have a low loan-to-value ratio.

We currently do not limit our focus to any specific industry and we may invest in larger or smaller companies on occasion. We classify the industries of our portfolio companies by end-market (such as healthcare, and business services) and not by the products or services (such as software) directed to those end-markets.

As of September 30, 2024, the largest industry represented 16.0% of our total investment portfolio based on fair value.

Investment Structuring. We focus on investing at the top of the capital structure and protecting that position. As of September 30, 2024, approximately 94.0% of our portfolio was invested in secured debt, including 93.2% in first-lien debt investments. We carefully perform diligence and structure investments to include strong investor covenants. As a result, we structure investments with a view to creating opportunities for early intervention in the event of non-performance or stress. In addition, we seek to retain effective voting control in investments over the loans or particular class of securities in which we invest through maintaining affirmative voting positions or negotiating consent rights that allow us to retain a blocking position. We also aim for our loans to mature on a medium term, between two to seven years after origination. For the three months ended September 30, 2024, the weighted average term on new investment commitments in new portfolio companies was 6.3 years.

Deal Dynamics. We focus on, among other deal dynamics, direct origination of investments, where we identify and lead the investment transaction. A substantial majority of our portfolio investments are sourced through our direct or proprietary relationships.

Risk Mitigation. We seek to mitigate non-credit-related risk on our returns in several ways, including call protection provisions to protect future interest income. As of September 30, 2024, we had call protection on 74.1% of our debt investments based on fair value, with weighted average call prices of 107.3% for the first year, 104.1% for the second year and 101.6% for the third year, in each case from the date of the initial investment. As of September 30, 2024, 98.8% of our debt investments based on fair value bore interest at floating rates, with 100.0% of these subject to interest rate floors, which we believe helps act as a portfolio-wide hedge against inflation.

Relationship with our Adviser and Sixth Street

Our Adviser is a Delaware limited liability company. Our Adviser acts as our investment adviser and administrator and is a registered investment adviser with the SEC under the Advisers Act. Our Adviser sources and manages our portfolio through a dedicated team of investment professionals predominately focused on direct lending, which we refer to as our Investment Team. Our Investment Team is led by our Chairman and Chief Executive Officer and our Adviser’s Co-Chief Investment Officer Joshua Easterly and our Adviser’s Co-Chief Investment Officer Alan Waxman, both of whom have substantial experience in credit origination, underwriting and asset management. Our investment decisions are made by our Investment Review Committee, which includes senior personnel of our Adviser and affiliates of Sixth Street Partners, LLC, or “Sixth Street.”

Sixth Street is a global investment business with over $80 billion of assets under management as of September 30, 2024. Sixth Street’s direct lending platforms include Sixth Street Specialty Lending, Sixth Street Lending Partners, which is aimed at U.S. upper middle-market loan originations, Sixth Street Specialty Lending Europe, which is aimed at European middle-market loan originations. Additional Sixth Street core platforms include Sixth Street TAO, which has the flexibility to invest across all of Sixth Street’s private credit market investments, Sixth Street Opportunities, which focuses on actively managed opportunistic investments across the credit cycle, Sixth Street Credit Market Strategies, which is the firm’s “public-side” credit investment platform focused on investment opportunities in broadly syndicated leveraged loan markets, Sixth Street Growth, which provides financing solutions to growing companies, Sixth Street Fundamental Strategies, which primarily invests in secondary credit, and Sixth Street Agriculture, which invests in niche agricultural opportunities. Sixth Street has a long-term oriented, highly flexible capital base that allows it to invest across industries, geographies, capital structures and asset classes. Sixth Street has extensive experience with highly complex, global public and private investments executed through primary originations, secondary market purchases and restructurings, and has a team of over 650 investment and operating professionals. As of September 30, 2024, sixty-nine (69) of these personnel are dedicated to direct lending, including fifty-four (54) investment professionals.

Our Adviser consults with Sixth Street in connection with a substantial number of our investments. The Sixth Street platform provides us with a breadth of large and scalable investment resources. We believe we benefit from Sixth Street’s market expertise,

50


insights into industry, sector and macroeconomic trends and intensive due diligence capabilities, which help us discern market conditions that vary across industries and credit cycles, identify favorable investment opportunities and manage our portfolio of investments. Sixth Street and its affiliates will refer all middle-market loan origination activities for companies domiciled in the United States to us and conduct those activities through us. The Adviser will determine whether it would be permissible, advisable or otherwise appropriate for us to pursue a particular investment opportunity allocated to us.

On December 16, 2014, we were granted an exemptive order from the SEC that allows us to co-invest, subject to certain conditions and to the extent the size of an investment opportunity exceeds the amount our Adviser has independently determined is appropriate to invest, with certain of our affiliates (including affiliates of Sixth Street) in middle-market loan origination activities for companies domiciled in the United States and certain “follow-on” investments in companies in which we have already co-invested pursuant to the order and remain invested. On January 16, 2020, we filed a further application for co-investment exemptive relief with the SEC to better align our existing co-investment relief with more recent SEC exemptive orders. Subsequent further applications were also made, most recently as June 29, 2022. On August 3, 2022, the SEC granted the new order in response to our application.

We believe our ability to co-invest with Sixth Street affiliates is particularly useful where we identify larger capital commitments than otherwise would be appropriate for us. We expect that with the ability to co-invest with Sixth Street affiliates we will continue to be able to provide “one-stop” financing to a potential portfolio company in these circumstances, which may allow us to capture opportunities where we alone could not commit the full amount of required capital or would have to spend additional time to locate unaffiliated co-investors.

Under the terms of the Investment Advisory Agreement and Administration Agreement, the Adviser’s services are not exclusive, and the Adviser is free to furnish similar or other services to others, so long as its services to us are not impaired. Under the terms of the Investment Advisory Agreement, we will pay the Adviser the base management fee, or the Management Fee, and may also pay certain incentive fees, or the Incentive Fees.

Under the terms of the Administration Agreement, the Adviser also provides administrative services to us. These services include providing office space, equipment and office services, maintaining financial records, preparing reports to stockholders and reports filed with the SEC, and managing the payment of expenses and the oversight of the performance of administrative and professional services rendered by others. Certain of these services are reimbursable to the Adviser under the terms of the Administration Agreement.

Key Components of Our Results of Operations

Investments

We focus primarily on the direct origination of loans to middle-market companies domiciled in the United States.

Our level of investment activity (both the number of investments and the size of each investment) can and does vary substantially from period to period depending on many factors, including the amount of debt and equity capital generally available to middle-market companies, the level of merger and acquisition activity for such companies, the general economic environment and the competitive environment for the types of investments we make.

In addition, as part of our risk strategy on investments, we may reduce certain levels of investments through partial sales or syndication to additional investors.

Revenues

We generate revenues primarily in the form of interest income from the investments we hold. In addition, we may generate income from dividends on direct equity investments, capital gains on the sale of investments and various loan origination and other fees. Our debt investments typically have a term of two to seven years, and, as of September 30, 2024, 98.8% of these investments based on fair value bore interest at a floating rate, with 100.0% of these subject to interest rate floors. Interest on debt investments is generally payable monthly or quarterly. Some of our investments provide for deferred interest payments or PIK interest. For the three and nine months ended September 30, 2024, 5.2% and 6.6% respectively, of our total investment income was comprised of PIK interest.

Changes in our net investment income are primarily driven by the spread between the payments we receive from our investments in our portfolio companies against our cost of funding, rather than by changes in interest rates. Our investment portfolio primarily consists of floating rate loans, and our credit facilities, 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes, after taking into account the effect of the interest rate swaps we have entered into in connection with these securities, all bear interest at floating rates. Macro trends in base interest rates like SOFR or other reference rates may affect our net investment income over the long term. However, because we generally originate loans to a limited number of portfolio companies each quarter, and those investments also vary in size,

51


our results in any given period—including the interest rate on investments that were sold or repaid in a period compared to the interest rate of new investments made during that period—often are idiosyncratic, and reflect the characteristics of the particular portfolio companies that we invested in or exited during the period and not necessarily any trends in our business.

In addition to interest income, our net investment income is also driven by prepayment and other fees, which also can vary significantly from quarter to quarter. The level of prepayment fees is generally correlated to the movement in credit spreads and risk premiums, but also will vary based on corporate events that may take place at an individual portfolio company in a given period—e.g., merger and acquisition activity, initial public offerings and restructurings. As noted above, generally a small but varied number of portfolio companies may make prepayments in any quarter, meaning that changes in the amount of prepayment fees received can vary significantly between periods and can vary without regard to underlying credit trends.

Loan origination fees, original issue discount and market discount or premium are capitalized, and we accrete or amortize such amounts as interest income using the effective interest method for term instruments and the straight-line method for revolving or delayed draw instruments. Repayments of our debt investments can reduce interest income from period to period. We record prepayment premiums on loans as interest income when earned. We also may generate revenue in the form of commitment, amendment, structuring, syndication or due diligence fees, fees for providing managerial assistance and consulting fees. The frequency or volume of these items of revenue may fluctuate significantly.

Dividend income on common equity investments is recorded on the record date for private portfolio companies or on the ex-dividend date for publicly traded portfolio companies.

Our portfolio activity also reflects the proceeds of sales of investments. We recognize realized gains or losses on investments based on the difference between the net proceeds from the disposition and the amortized cost basis of the investment without regard to unrealized gains or losses previously recognized. We record current period changes in fair value of investments that are measured at fair value as a component of the net change in unrealized gains (losses) on investments in the Consolidated Statements of Operations.

Expenses

Our primary operating expenses include the payment of fees to our Adviser under the Investment Advisory Agreement, expenses reimbursable under the Administration Agreement and other operating costs described below. Additionally, we pay interest expense on our outstanding debt. We bear all other costs and expenses of our operations, administration and transactions, including those relating to:

calculating individual asset values and our net asset value (including the cost and expenses of any independent valuation firms);
expenses, including travel expenses, incurred by the Adviser, or members of our Investment Team, or payable to third parties, in respect of due diligence on prospective portfolio companies and, if necessary, in respect of enforcing our rights with respect to investments in existing portfolio companies;
the costs of any public offerings of our common stock and other securities, including registration and listing fees;
the Management Fee and any Incentive Fee;
certain costs and expenses relating to distributions paid on our shares;
administration fees payable under our Administration Agreement;
costs of preparing financial statements and maintaining books and records and filing reports or other documents with the SEC (or other regulatory bodies) and other reporting and compliance costs, and the compensation of professionals responsible for the preparation of the foregoing, including the allocable portion of the compensation of our Chief Financial Officer, Chief Compliance Officer and other professionals who spend time on those related activities (based on the percentage of time those individuals devote, on an estimated basis, to our business and affairs);
debt service and other costs of borrowings or other financing arrangements;
the Adviser’s allocable share of costs incurred in providing significant managerial assistance to those portfolio companies that request it;
amounts payable to third parties relating to, or associated with, making or holding investments;
transfer agent and custodial fees;
costs of hedging;
commissions and other compensation payable to brokers or dealers;

52


taxes;
Independent Director fees and expenses;
the costs of any reports, proxy statements or other notices to our stockholders (including printing and mailing costs), the costs of any stockholders’ meetings and the compensation of investor relations personnel responsible for the preparation of the foregoing and related matters;
our fidelity bond;
directors and officers/errors and omissions liability insurance, and any other insurance premiums;
indemnification payments;
direct costs and expenses of administration, including audit, accounting, consulting and legal costs; and
all other expenses reasonably incurred by us in connection with making investments and administering our business.

We expect that during periods of asset growth, our general and administrative expenses will be relatively stable or will decline as a percentage of total assets, and will increase as a percentage of total assets during periods of asset declines.

Leverage

While as a BDC the amount of leverage that we are permitted to use is limited in significant respects, we use leverage to increase our ability to make investments. The amount of leverage we use in any period depends on a variety of factors, including cash available for investing, the cost of financing and general economic and market conditions, however, under the 1940 Act, our total borrowings are limited so that our asset coverage ratio cannot fall below 150% immediately after any borrowing, as defined in the 1940 Act. In any period, our interest expense will depend largely on the extent of our borrowing and we expect interest expense will increase as we increase leverage over time within the limits of the 1940 Act. In addition, we may dedicate assets as collateral to financing facilities from time to time.

Market Trends

We believe trends in the middle-market lending environment, including the limited availability of capital from traditional regulated financial institutions, strong demand for debt capital and specialized lending requirements, are likely to continue to create favorable opportunities for us to invest at attractive risk-adjusted rates.

Subsequent to the global financial crisis, the implementation of regulatory changes such as Basel III requirements, Leverage Lending Guidance, and the Volcker Rule, tightened risk appetites and reduced the capacity of traditional lenders to serve middle-market companies. We believe that these dynamics create a significant opportunity for us to directly originate investments. We also believe that the large amount of uninvested capital held by private equity firms will continue to drive deal activity, which may in turn create additional demand for debt capital.

This market dynamic is further exacerbated by the specialized due diligence and underwriting capabilities, as well as extensive ongoing monitoring, required for middle-market lending. We believe middle-market lending is generally more labor-intensive than lending to larger companies due to smaller investment sizes and the lack of publicly available information on these companies. As a result, the opportunities for dedicated private lenders such as us has continued to expand.

An imbalance between the supply of, and demand for, middle-market debt capital creates attractive pricing dynamics for investors such as BDCs. The negotiated nature of middle-market financings also generally provides for more favorable terms to the lenders, including stronger covenant and reporting packages, better call protection and lender-protective change of control provisions. We believe that BDCs have flexibility to develop loans that reflect each borrower’s distinct situation, provide long-term relationships and a potential source for future capital, which renders BDCs, including us, attractive lenders.

Portfolio and Investment Activity

As of September 30, 2024, our portfolio based on fair value consisted of 93.2% first-lien debt investments, 0.8% second-lien investments, 1.1% mezzanine debt investments, 4.8% equity and other investments and 0.1% structured credit investments. As of December 31, 2023, our portfolio based on fair value consisted of 91.3% first-lien debt investments, 1.1% second-lien debt investments, 1.2% mezzanine debt investments, 4.7% equity and other investments and 1.7% structured credit investments.

53


As of September 30, 2024 and December 31, 2023, our weighted average total yield of debt and income producing securities at fair value (which includes interest income and amortization of fees and discounts) was 13.1% and 14.1%, respectively, and our weighted average total yield of debt and income-producing securities at amortized cost (which includes interest income and amortization of fees and discounts) was 13.4% and 14.2%, respectively.

As of September 30, 2024 and December 31, 2023, we had investments in 115 portfolio companies (including 3 structured credit investments, which include each series of collateralized loan obligation as a separate portfolio company investment) and 136 portfolio companies (including 42 structured credit investments, which include each series of collateralized loan obligation as a separate portfolio company investment), respectively, with an aggregate fair value of $3,441.1 million and $3,283.1 million, respectively.

For the three months ended September 30, 2024, the principal amount of new investments funded was $189.0 million in eight new portfolio companies and four existing portfolio companies. For this period, we had $90.2 million aggregate principal amount in exits and repayments.

For the three months ended September 30, 2023, the principal amount of new investments funded was $151.6 million in eight new portfolio companies and two existing portfolio companies. For this period, we had $158.9 million aggregate principal amount in exits and repayments.

Our investment activity for the three months ended September 30, 2024 and 2023 is presented below (information presented herein is at par value unless otherwise indicated).

Three Months Ended

($ in millions)

September 30, 2024

September 30, 2023

New investment commitments:

Gross originations (1)

$

2,502.0

$

1,004.2

Less: Syndications/sell downs (1)

2,232.7

798.4

Total new investment commitments

$

269.3

$

205.8

Principal amount of investments funded:

First-lien

$

189.0

$

151.0

Second-lien

Mezzanine

0.2

Equity and other

0.4

Structured Credit

Total

$

189.0

$

151.6

Principal amount of investments sold or repaid:

First-lien

$

84.2

$

152.5

Second-lien

Mezzanine

4.9

Equity and other

3.6

Structured Credit

1.1

2.8

Total

$

90.2

$

158.9

Number of new investment commitments in
new portfolio companies

8

8

Average new investment commitment amount in
new portfolio companies

$

30.2

$

24.8

Weighted average term for new investment
commitments in new portfolio companies
(in years)

6.3

6.2

Percentage of new debt investment commitments
at floating rates

75.9

%

98.7

%

Percentage of new debt investment commitments
at fixed rates

24.1

%

1.3

%

Weighted average interest rate of new
investment commitments

12.0

%

12.9

%

Weighted average spread over reference rate of new
floating rate investment commitments

6.8

%

7.7

%

Weighted average interest rate on investments
fully sold or paid down

13.0

%

13.0

%

(1)
Includes affiliates of Sixth Street

54


As of September 30, 2024 and December 31, 2023, our investments consisted of the following:

September 30, 2024

December 31, 2023

($ in millions)

Amortized Cost

Fair Value

Amortized Cost

Fair Value

First-lien debt investments

$

3,181.3

$

3,206.4

$

2,956.1

$

2,996.2

Second-lien debt investments

52.8

26.3

51.4

36.0

Mezzanine debt investments

35.9

37.5

38.0

39.5

Equity and other investments

156.3

165.9

152.6

155.6

Structured credit investments

4.8

5.0

52.9

55.8

Total

$

3,431.1

$

3,441.1

$

3,251.0

$

3,283.1

The following tables show the fair value and amortized cost of our performing and non-accrual investments as of September 30, 2024 and December 31, 2023:

September 30, 2024

December 31, 2023

($ in millions)

Fair Value

Percentage

Fair Value

Percentage

Performing

$

3,376.2

98.1

%

$

3,262.4

99.4

%

Non-accrual (1)

64.9

1.9

20.7

0.6

Total

$

3,441.1

100.0

%

$

3,283.1

100.0

%

September 30, 2024

December 31, 2023

($ in millions)

Amortized Cost

Percentage

Amortized Cost

Percentage

Performing

$

3,301.9

96.2

%

$

3,222.9

99.1

%

Non-accrual (1)

129.2

3.8

28.1

0.9

Total

$

3,431.1

100.0

%

$

3,251.0

100.0

%

(1)
Loans are generally placed on non-accrual status when principal or interest payments are past due 30 days or more or when management has reasonable doubt that the borrower will pay principal or interest in full. Accrued and unpaid interest is generally reversed when a loan is placed on non-accrual status. Non-accrual loans are restored to accrual status when past due principal and interest has been paid and, in management’s judgment, the borrower is likely to make principal and interest payments in the future. Management may determine to not place a loan on non-accrual status if, notwithstanding any failure to pay, the loan has sufficient collateral value and is in the process of collection. See “–Critical Accounting Estimates– Interest and Dividend Income Recognition.”

The weighted average yields and interest rates of our performing debt investments at fair value as of September 30, 2024 and December 31, 2023 were as follows:

September 30, 2024

December 31, 2023

Weighted average total yield of debt and income
producing securities
(1)

13.1

%

14.1

%

Weighted average interest rate of debt and income
producing securities

12.5

%

13.7

%

Weighted average spread over reference rate of all floating
rate investments

8.0

%

8.3

%

(1)
Weighted average total portfolio yield at fair value was 12.3% at September 30, 2024 and 13.4% at December 31, 2023.

The Adviser monitors our portfolio companies on an ongoing basis. The Adviser monitors the financial trends of each portfolio company to determine if it is meeting its business plans and to assess the appropriate course of action for each company. The Adviser has a number of methods of evaluating and monitoring the performance of our investments, which may include the following:

assessment of success of the portfolio company in adhering to its business plan and compliance with covenants;
periodic and regular contact with portfolio company management and, if appropriate, the financial or strategic sponsor, to discuss financial position, requirements and accomplishments;
comparisons to other companies in the industry;
attendance at, and participation in, board meetings; and
review of monthly and quarterly financial statements and financial projections for portfolio companies.

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As part of the monitoring process, the Adviser regularly assesses the risk profile of each of our investments and, on a quarterly basis, grades each investment on a risk scale of 1 to 5. Risk assessment is not standardized in our industry and our risk assessment may not be comparable to ones used by our competitors. Our assessment is based on the following categories:

An investment is rated 1 if, in the opinion of the Adviser, it is performing as agreed and there are no concerns about the portfolio company’s performance or ability to meet covenant requirements. For these investments, the Adviser generally prepares monthly reports on investment performance and intensive quarterly asset reviews.
An investment is rated 2 if it is performing as agreed, but, in the opinion of the Adviser, there may be concerns about the company’s operating performance or trends in the industry. For these investments, in addition to monthly reports and quarterly asset reviews, the Adviser also researches any areas of concern with the objective of early intervention with the portfolio company.
An investment will be assigned a rating of 3 if it is paying its obligations to us as agreed but a material covenant violation is expected. For these investments, in addition to monthly reports and quarterly asset reviews, the Adviser also adds the investment to its “watch list” and researches any areas of concern with the objective of early intervention with the portfolio company.
An investment will be assigned a rating of 4 if a material covenant has been violated, but the company is making its scheduled payments on its obligations to us. For these investments, the Adviser generally prepares a bi-monthly asset review email and generally has monthly meetings with the portfolio company’s senior management. For investments where there have been material defaults, including bankruptcy filings, failures to achieve financial performance requirements or failure to maintain liquidity or loan-to-value requirements, the Adviser often will take immediate action to protect its position. These remedies may include negotiating for additional collateral, modifying investment terms or structure, or payment of amendment and waiver fees.
A rating of 5 indicates an investment is in default on its interest and/or principal payments. For these investments, our Adviser reviews the investments on a bi-monthly basis and, where possible, pursues workouts that achieve an early resolution to avoid further deterioration of our investment. The Adviser retains legal counsel and takes actions to preserve our rights, which may include working with the portfolio company to have the default cured, to have the investment restructured or to have the investment repaid through a consensual workout.

The following table shows the distribution of our investments on the 1 to 5 investment performance rating scale at fair value as of September 30, 2024 and December 31, 2023. Investment performance ratings are accurate only as of those dates and may change due to subsequent developments relating to a portfolio company’s business or financial condition, market conditions or developments, and other factors.

September 30, 2024

December 31, 2023

Investment

Investments at

Investments at

Performance

Fair Value

Percentage of

Fair Value

Percentage of

Rating

($ in millions)

Total Portfolio

($ in millions)

Total Portfolio

1

$

3,198.9

93.0

%

$

2,939.1

89.5

%

2

141.6

4.1

196.6

6.0

3

35.6

1.0

126.7

3.9

4

5

65.0

1.9

20.7

0.6

Total

$

3,441.1

100.0

%

$

3,283.1

100.0

%

Results of Operations

Operating results for the three and nine months ended September 30, 2024 and 2023 were as follows:

Three Months Ended

Nine Months Ended

($ in millions)

September 30, 2024

September 30, 2023

September 30, 2024

September 30, 2023

Total investment income

$

119.2

$

114.4

$

358.8

$

318.5

Less: Net expenses

63.6

64.0

193.6

175.0

Net investment income before income taxes

55.6

50.4

165.2

143.5

Less: Income taxes, including excise taxes

0.7

0.5

2.8

1.8

Net investment income

54.9

49.9

162.4

141.7

Net realized gains (losses) (1)

0.0

5.1

3.9

11.8

Net change in unrealized gains (losses) (1)

(14.2

)

9.8

(30.7

)

17.4

Net increase (decrease) in net assets resulting from operations

$

40.7

$

64.8

$

135.6

$

170.9

(1)
Includes foreign exchange hedging activity.

56


Investment Income

Three Months Ended

Nine Months Ended

($ in millions)

September 30, 2024

September 30, 2023

September 30, 2024

September 30, 2023

Interest from investments

$

105.8

$

104.1

$

315.5

$

292.3

Paid-in-kind interest income

6.2

5.2

23.8

12.8

Dividend income

3.3

0.8

5.8

2.2

Other income

3.9

4.3

13.7

11.2

Total investment income

$

119.2

$

114.4

$

358.8

$

318.5

Interest from investments, which includes amortization of upfront fees and prepayment fees, increased from $104.1 million for the three months ended September 30, 2023 to $105.8 million for the three months ended September 30, 2024. The increase in interest from investments was primarily the result of a larger average portfolio size for the period ended September 30, 2024 compared to the same period in 2023. Paid-in-kind interest income increased from $5.2 million for the three months ended September 30, 2023 to $6.2 million for the three months ended September 30, 2024 due to increased PIK election. Dividend income increased from $0.8 million for the three months ended September 30, 2023 to $3.3 million for the three months ended September 30, 2024 due to increased investments in dividend yielding securities compared to the same period in 2023. Other income decreased from $4.3 million for the three months ended September 30, 2023 to $3.9 million for the three months ended September 30, 2024, primarily due to decreased amendment fees during the three months ended September 30, 2024 compared to the same period in 2023.

Interest from investments, which includes amortization of upfront fees and prepayment fees, increased from $292.3 million for the nine months ended September 30, 2023 to $315.5 million for the nine months ended September 30, 2024. The increase in interest from investments was primarily the result of a larger average portfolio size for the period ended September 30, 2024 compared to the same period in 2023. Paid-in-kind interest income increased from $12.8 million for the nine months ended September 30, 2023 to $23.8 million for the nine months ended September 30, 2024 due to increased PIK election. Dividend income increased from $2.2 million for the nine months ended September 30, 2023 to $5.8 million for the nine months ended September 30, 2024 due to increased investments in dividend yielding securities compared to the same period in 2023. Other income increased from $11.2 million for the nine months ended September 30, 2023 to $13.7 million for the nine months ended September 30, 2024, primarily due to increased arranger and miscellaneous fees during the nine months ended September 30, 2024 compared to the same period in 2023.

Expenses

Operating expenses for the three and nine months ended September 30, 2024 and 2023 were as follows:

Three Months Ended

Nine Months Ended

($ in millions)

September 30, 2024

September 30, 2023

September 30, 2024

September 30, 2023

Interest

$

38.5

$

35.0

$

116.8

$

96.0

Management fees (net of waivers)

12.7

11.7

37.4

33.2

Incentive fees on net investment income

11.2

11.2

33.5

31.1

Incentive fees on net capital gains

(2.2

)

2.6

(4.4

)

5.1

Professional fees

1.9

1.9

5.8

5.4

Directors’ fees

0.2

0.2

0.6

0.6

Other general and administrative

1.3

1.4

3.9

3.6

Net Expenses

$

63.6

$

64.0

$

193.6

$

175.0

57


Interest

Interest expense, including other debt financing expenses, increased from $35.0 million for the three months ended September 30, 2023 to $38.5 million for the three months ended September 30, 2024. This increase was primarily due to an increase in the average interest rate on our debt outstanding and an increase in the average debt outstanding from $1,730.8 million for the three months ended September 30, 2023 to $1,817.2 million for the three months ended September 30, 2024. The average interest rate on our debt outstanding increased from 7.5% for the three months ended September 30, 2023 to 7.7% for the three months ended September 30, 2024.

Interest expense, including other debt financing expenses, increased from $96.0 million for the nine months ended September 30, 2023 to $116.8 million for the nine months ended September 30, 2024. This increase was primarily due to an increase in the average interest rate on our debt outstanding and an increase in the average debt outstanding from $1,671.8 million for the nine months ended September 30, 2023 to $1,852.8 million for the nine months ended September 30, 2024. The average interest rate on our debt outstanding increased from 7.1% for the nine months ended September 30, 2023 to 7.7% for the nine months ended September 30, 2024.

Management Fees

Management Fees (gross of waivers) increased from $11.9 million for the three months ended September 30, 2023 to $13.0 million for the three months ended September 30, 2024 due to an increase in average assets for the three months ended September 30, 2024 compared to the same period in 2023. Management Fees (net of waivers) increased from $11.7 million for the three months ended September 30, 2023 to $12.7 million for the three months ended September 30, 2024. The Adviser waived Management Fees of $0.3 million for the three months ended September 30, 2024 pursuant to the Leverage Waiver. The Adviser waived Management Fees of $0.3 million for the three months ended September 30, 2023 pursuant to the Leverage Waiver.

Management Fees (gross of waivers) increased from $34.1 million for the nine months ended September 30, 2023 to $38.4 million for the nine months ended September 30, 2024 due to an increase in average assets for the nine months ended September 30, 2024 compared to the same period in 2023. Management Fees (net of waivers) increased from $33.2 million for the nine months ended September 30, 2023 to $37.4 million for the nine months ended September 30, 2024. The Adviser waived Management Fees of $1.0 million for the nine months ended September 30, 2024 pursuant to the Leverage Waiver. The Adviser waived Management Fees of 0.8 million for the nine months ended September 30, 2023 pursuant to the Leverage Waiver.

Any waived Management Fees are not subject to recoupment by the Adviser.

Incentive Fees

Incentive Fees related to pre-Incentive Fee net investment income were $11.2 million for the three months ended September 30, 2023 and $11.2 million for the three months ended September 30, 2024. The Adviser did not waive any Incentive Fees related to pre-Incentive Fee net investment income for the three months ended September 30, 2024 or 2023. For the three months ended September 30, 2024, $(2.2) million of Incentive Fees were accrued related to the reversal of Capital Gains Fees. For the three months ended September 30, 2023, $2.6 million of Incentive Fees were accrued related to Capital Gains Fees. As of September 30, 2024, these accrued Incentive Fees are not contractually payable to the Adviser.

Incentive Fees related to pre-Incentive Fee net investment income increased from $31.1 million for the nine months ended September 30, 2023 to $33.5 million for the nine months ended September 30, 2024. This increase resulted from an increase in pre-Incentive Fee net investment income for the nine months ended September 30, 2024. The Adviser did not waive any Incentive Fees related to pre-Incentive Fee net investment income for the nine months ended September 30, 2024 or 2023. For the nine months ended September 30, 2024, $(4.4) million of Incentive Fees were accrued related to the reversal of Capital Gains Fees. For the nine months ended September 30, 2023, $5.1 million of Incentive Fees were accrued related to Capital Gains Fees. As of September 30, 2024, these accrued Incentive Fees are not contractually payable to the Adviser.

Professional Fees and Other General and Administrative Expenses

Professional fees were $1.9 million for the three months ended September 30, 2023 and $1.9 million for the three months ended September 30, 2024. Other general and administrative expenses decreased from $1.4 million for the three months ended September 30, 2023 to $1.3 million for the three months ended September 30, 2024.

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Professional fees increased from $5.4 million for the nine months ended September 30, 2023 to $5.8 million for the nine months ended September 30, 2024. Other general and administrative expenses increased from $3.6 million for the nine months ended September 30, 2023 to $3.9 million for the nine months ended September 30, 2024.

Income Taxes, Including Excise Taxes

We have elected to be treated as a RIC under Subchapter M of the Code, and we intend to operate in a manner so as to continue to qualify for the tax treatment applicable to RICs. To qualify as a RIC, we must, among other things, distribute to our stockholders in each taxable year generally at least 90% of our investment company taxable income, as defined by the Code, and net tax-exempt income for that taxable year. To maintain our RIC status, we, among other things, have made and intend to continue to make the requisite distributions to our stockholders, which generally relieve us from corporate-level U.S. federal income taxes.

Depending on the level of taxable income earned in a tax year, we can be expected to carry forward taxable income (including net capital gains, if any) in excess of current year dividend distributions from the current tax year into the next tax year and pay a nondeductible 4% U.S. federal excise tax on such taxable income, as required. To the extent that we determine that our estimated current year annual taxable income will be in excess of estimated current year dividend distributions from such income, we accrue excise tax on estimated excess taxable income.

For the three and nine months ended September 30, 2024, we recorded a net expense of $0.7 million and $2.8 million, respectively, for U.S. federal excise tax and other taxes. For the three and nine months ended September 30, 2023, we recorded a net expense of $0.5 million and $1.8 million, respectively, for U.S. federal excise tax and other taxes.

For of the three and nine months ended September 30, 2024, we recorded a deferred tax expense of $1.5 million pertaining to net unrealized gains, related to eight of our investments. As of the three and nine months ended September 30, 2023, there was no recorded deferred tax expense.

Net Realized and Unrealized Gains and Losses

The following table summarizes our net realized and unrealized gains (losses) for the three and nine months ended September 30, 2024 and 2023:

Three Months Ended

Nine Months Ended

($ in millions)

September 30, 2024

September 30, 2023

September 30, 2024

September 30, 2023

Net realized gains (losses) on investments

$

0.1

$

5.3

$

3.9

$

11.8

Net realized gains (losses) on foreign currency transactions (1)

(0.0)

(0.1

)

(0.8

)

0.0

Net realized gains (losses) on foreign currency investments (1)

0.0

(0.2

)

(2.3

)

(0.2

)

Net realized gains (losses) on foreign currency borrowings

(0.1

)

0.1

3.1

0.2

Net Realized Gains (Losses)

$

0.0

$

5.1

$

3.9

$

11.8

Change in unrealized gains on investments

$

25.0

$

24.6

$

42.4

$

56.3

Change in unrealized (losses) on investments

(27.4

)

(20.3

)

(64.4

)

(41.6

)

Net Change in Unrealized Gains (Losses) on
Investments

$

(2.4

)

$

4.3

$

(22.0

)

$

14.7

Unrealized gains (losses) on foreign currency borrowings

(10.3

)

5.6

(7.2

)

2.8

Unrealized gains (losses) on foreign currency cash (1)

(0.0)

(0.1

)

(0.0)

(0.3

)

Unrealized gains (losses) on interest rate swaps

0.2

Income tax provision on unrealized gains (losses)

(1.5

)

(1.5

)

Net Change in Unrealized Gains (Losses) on Foreign
Currency Transactions and Interest Rate Swaps

$

(11.8

)

$

5.5

$

(8.7

)

$

2.7

Net Change in Unrealized Gains (Losses)

$

(14.2

)

$

9.8

$

(30.7

)

$

17.4

(1)
Amounts round to less than $0.1 million

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For the three and nine months ended September 30, 2024, we had net realized gains on investments of $0.1 million and $3.9 million, respectively, primarily driven by one investment and thirty-seven investments, respectively. For the three and nine months ended September 30, 2024, we had net realized losses of less than $0.1 million and net realized losses of $0.8 million, respectively on foreign currency transactions, primarily as a result of translating foreign currency related to our non-USD denominated investments. For the three and nine months ended September 30, 2024, we had net realized gains of less than $0.1 million and net realized losses of $2.3 million, respectively, on foreign currency investments. For the three and nine months ended September 30, 2024, we had net realized losses of $0.1 million and net realized gains of $3.1 million on foreign currency borrowings. The net realized gains and losses on foreign currency borrowings were a result of payments on our revolving credit facility.

For the three months ended September 30, 2024, we had $25.0 million in unrealized gains on 68 portfolio company investments, which was offset by $27.4 million in unrealized losses on 48 portfolio company investments. Unrealized gains primarily resulted from tightening credit spreads and positive portfolio company specific developments. Unrealized losses primarily resulted from negative portfolio company specific developments and the reversal of prior period unrealized gains due to realizations. For the nine months ended September 30, 2024, we had $42.4 million in unrealized gains on 81 portfolio company investments, which was offset by $64.4 million in unrealized losses on 82 portfolio company investments. Unrealized gains primarily resulted from tightening credit spreads and positive portfolio company specific developments. Unrealized losses primarily resulted from negative portfolio company specific developments and the reversal of prior period unrealized gains due to realizations.

For the three and nine months ended September 30, 2024, we had unrealized losses on foreign currency borrowings of $10.3 million and unrealized losses of $7.2 million, respectively, on foreign currency borrowings, as a result of fluctuations in the AUD, CAD, EUR, SEK and GBP exchange rates. For the three and nine months ended September 30, 2024, we had unrealized losses on foreign currency cash of less than $0.1 million and unrealized losses of less than $0.1 million, respectively. For the three and nine months ended September 30, 2024, we had no unrealized gains or losses on interest rate swaps, respectively. For the three and nine months ended September 30, 2024, we had unrealized losses of $1.5 million and $1.5 million, respectively, related to a deferred tax expense.

For the three and nine months ended September 30, 2023, we had net realized gains on investments of $5.3 million and $11.8 million, respectively, primarily driven by two investments and three investments, respectively. For the three and nine months ended September 30, 2023, we had net realized losses of $0.1 million and net realized gains of less than $0.1 million, respectively, on foreign currency transactions, primarily as a result of translating foreign currency related to our non-USD denominated investments. For the three and nine months ended September 30, 2023, we had net realized losses of $0.2 million and $0.2 million, respectively, on foreign currency investments. For the three and nine months ended September 30, 2023, we had net realized gains of $0.1 million and $0.2 million, respectively, on foreign currency borrowings, primarily as a result of payments on our revolving credit facility.

For the three months ended September 30, 2023, we had $24.6 million in unrealized gains on 97 portfolio company investments, which was offset by $20.3 million in unrealized losses on 40 portfolio company investments. Unrealized gains resulted from an increase in fair value, primarily due to tightening credit spreads and positive portfolio company specific developments. Unrealized losses primarily resulted from the reversal of prior period unrealized gains due to realizations and negative portfolio company specific developments. For the nine months ended September 30, 2023, we had $56.3 million in unrealized gains on 117 portfolio company investments, which was offset by $41.6 million in unrealized losses on 25 portfolio company investments. Unrealized gains resulted from an increase in fair value, primarily due to tightening credit spreads and positive portfolio company specific developments. Unrealized losses primarily resulted from the reversal of prior period unrealized gains due to realizations and negative portfolio company specific developments.

For the three and nine months ended September 30, 2023, had unrealized gains on foreign currency borrowings of $5.6 million and $2.8 million, respectively, on foreign currency borrowings, as a result of fluctuations in the AUD, CAD, EUR and GBP exchange rates. For the three and nine months ended September 30, 2023, we had unrealized losses on foreign currency cash of $0.1 million and $0.3 million, respectively. For the three and nine months ended September 30, 2023, we had no unrealized gains (losses) and $0.2 million of unrealized gains, respectively, on interest rate swaps not designated in a hedge accounting relationship, due to fluctuations in interest rates and the periodic settlement of interest rate swaps.

Realized Gross Internal Rate of Return

Since we began investing in 2011 through September 30, 2024, weighted by capital invested, our exited investments have generated an average realized gross internal rate of return to us of 17.2% (based on total capital invested of $7.5 billion and total proceeds from these exited investments of $9.6 billion). Ninety two percent of these exited investments resulted in a realized gross internal rate of return to us of 10% or greater.

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Gross IRR, with respect to an investment, is calculated based on the dates that we invested capital and dates we received distributions, regardless of when we made distributions to our stockholders. Initial investments are assumed to occur at time zero, and all cash flows are deemed to occur on the fifteenth of each month in which they occur.

Gross IRR reflects historical results relating to our past performance and is not necessarily indicative of our future results. In addition, gross IRR does not reflect the effect of Management Fees, expenses, Incentive Fees or taxes borne, or to be borne, by us or our stockholders, and would be lower if it did.

Average gross IRR is the average of the gross IRR for each of our exited investments (each calculated as described above), weighted by the total capital invested for each of those investments.

Average gross IRR on our exited investments reflects only invested and realized cash amounts as described above, and does not reflect any unrealized gains or losses in our portfolio.

Internal rate of return, or IRR, is a measure of our discounted cash flows (inflows and outflows). Specifically, IRR is the discount rate at which the net present value of all cash flows is equal to zero. That is, IRR is the discount rate at which the present value of total capital invested in each of our investments is equal to the present value of all realized returns from that investment. Our IRR calculations are unaudited.

Capital invested, with respect to an investment, represents the aggregate cost basis allocable to the realized or unrealized portion of the investment, net of any upfront fees paid at closing for the term loan portion of the investment. Capital invested also includes realized losses on hedging activity, with respect to an investment, which represents any inception-to-date realized losses on foreign currency forward contracts allocable to the investment, if any.

Realized returns, with respect to an investment, represents the total cash received with respect to each investment, including all amortization payments, interest, dividends, prepayment fees, upfront fees, administrative fees, agent fees, amendment fees, accrued interest, and other fees and proceeds. Realized returns also include realized gains on hedging activity, with respect to an investment, which represents any inception-to-date realized gains on foreign currency forward contracts allocable to the investment, if any.

Interest Rate and Foreign Currency Hedging

We use interest rate swaps to hedge our fixed rate debt and certain fixed rate investments. We have designated certain interest rate swaps to be in a hedge accounting relationship. See Note 2 for additional disclosure regarding our accounting for derivative instruments designated in a hedge accounting relationship. See Note 5 for additional disclosure regarding these derivative instruments and the interest payments paid and received. See Note 7 for additional disclosure regarding the carrying value of our debt.

Our current approach to hedging the foreign currency exposure in our non-U.S. dollar denominated investments is primarily to borrow the par amount in local currency under our Revolving Credit Facility to fund these investments. For the three and nine months ended September 30, 2024, we had unrealized losses of $10.3 million and $7.2 million, respectively, and for the three and nine months ended September 30, 2023, we had unrealized gains of $5.6 million and $2.8 million, respectively, on the translation of our non-U.S. dollar denominated debt into U.S. dollars; such amounts approximate the corresponding unrealized gains and losses on the translation of our non-U.S. dollar denominated investments into U.S. dollars for the three and nine months ended September 30, 2024 and 2023. See Note 2 for additional disclosure regarding our accounting for foreign currency. See Note 7 for additional disclosure regarding the amounts of outstanding debt denominated in each foreign currency at September 30, 2024. In the determination of the second component of the Incentive Fee, any unrealized gains/(losses) specifically related to the foreign currency denominated borrowings of non-US dollar denominated investments is offset against any associated unrealized gains/(losses) related to foreign currency denominated investments. See our Consolidated Schedule of Investments for additional disclosure regarding the foreign currency amounts (in both par and fair value) of our non-U.S. dollar denominated investments.

Financial Condition, Liquidity and Capital Resources

Our liquidity and capital resources are derived primarily from proceeds from equity issuances, advances from our credit facilities, and cash flows from operations. The primary uses of our cash and cash equivalents are:

investments in portfolio companies and other investments and to comply with certain portfolio diversification requirements;
the cost of operations (including paying our Adviser);
debt service, repayment, and other financing costs; and
cash dividends to the holders of our shares.

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We intend to continue to generate cash primarily from cash flows from operations, future borrowings and future offerings of securities. We may from time to time enter into additional debt facilities, increase the size of existing facilities or issue debt securities. Any such incurrence or issuance would be subject to prevailing market conditions, our liquidity requirements, contractual and regulatory restrictions and other factors. In accordance with the 1940 Act, with certain limited exceptions, we are only allowed to incur borrowings, issue debt securities or issue preferred stock if immediately after the borrowing or issuance the ratio of total assets (less total liabilities other than indebtedness) to total indebtedness plus preferred stock, is at least 150%. For more information, see “Key Components of Our Results of Operations — Leverage” above. As of September 30, 2024 and December 31, 2023, our asset coverage ratio was 184.0% and 181.6%, respectively. We carefully consider our unfunded commitments for the purpose of planning our capital resources and ongoing liquidity, including our financial leverage. Further, we maintain sufficient borrowing capacity within the 150% asset coverage limitation under the 1940 Act and the asset coverage limitation under our credit facilities to cover any outstanding unfunded commitments we are required to fund.

Cash and cash equivalents as of September 30, 2024, taken together with cash available under our credit facilities, is expected to be sufficient for our investing activities and to conduct our operations in the near term. As of September 30, 2024, we had approximately $1.1 billion of availability on our Revolving Credit Facility, subject to asset coverage limitations.

As of September 30, 2024, we had $29.7 million in cash and cash equivalents, including $23.2 million of restricted cash. During the nine months ended September 30, 2024, cash used in operating activities was $14.8 million, primarily attributable to funding portfolio investments of $680.0 million and other operating activity of $10.6 million which was offset by an increase in net assets resulting from operations of $135.6 million and repayments and proceeds from investments of $540.3 million. Cash provided by financing activities was $19.3 million during the period, primarily attributable to borrowings of $1,107.1 million and proceeds from the issuance of common stock $93.3 million which was offset by paydowns on our Revolving Credit Facility of $1,044.2 million, dividends paid to stockholders of $128.1 million and deferred financing costs of $8.8 million.

Equity

On May 15, 2023, we issued a total of 4,500,000 shares of common stock at $17.33 per share. Net of underwriting fees and offering costs, we received total cash proceeds of $77.6 million. Subsequent to the offering we issued an additional 675,000 shares on June 12, 2023 pursuant to the overallotment option granted to underwriters and received, net of underwriting fees, total cash proceeds of $11.7 million.

On March 5, 2024, we issued a total of 4,000,000 shares of common stock at $20.52 per share. Net of underwriting fees and offering costs, we received total cash proceeds of $81.5 million. Subsequent to the offering, the Company issued an additional 600,000 shares on April 1, 2024 pursuant to the overallotment option granted to underwriters and received, net of offering and underwriting fees, additional total cash proceeds of $11.9 million.

During the nine months ended September 30, 2024 and 2023, we also issued 888,122 and 982,211 shares of our common stock, respectively, to investors who have not opted out of our dividend reinvestment plan for proceeds of $17.8 million and $17.8 million, respectively.

On August 4, 2015, our Board authorized us to acquire up to $50 million in aggregate of our common stock from time to time over an initial six month period, and has continued to authorize the refreshment of the $50 million amount authorized under and extension of the stock repurchase program prior to its expiration since that time, most recently as of May 1, 2024. The amount and timing of stock repurchases under the program may vary depending on market conditions, and no assurance can be given that any particular amount of common stock will be repurchased.

No shares were repurchased for the three and nine months ended September 30, 2024 and 2023.

Debt

Revolving Credit Facility

In August 2012, we entered into a senior secured revolving credit agreement with Truist Bank (as a successor by merger to SunTrust Bank), as administrative agent, and J.P. Morgan Chase Bank, N.A., as syndication agent, and certain other lenders (as amended and restated, the “Revolving Credit Facility”).

As of September 30, 2024, aggregate commitments under the facility were $1.7 billion. The facility includes an uncommitted accordion feature that allows the Company, under certain circumstances, to increase the size of the facility to up to $2.0 billion.

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Pursuant to the Fourteenth Amendment dated June 12, 2023, with respect to $1.465 billion in commitments, the revolving period, during which period we, subject to certain conditions, may make borrowings under the facility, was extended to June 11, 2027 and the stated maturity date was extended to June 12, 2028. For the remaining $220.0 million of commitments, (A) with respect to $50.0 million of commitments, the revolving period ends on February 4, 2025 and the stated maturity is February 4, 2026 and (B) with respect to $170.0 million of commitments, the revolving period ends April 24, 2026 and the stated maturity is April 23, 2027.

Pursuant to the Fifteenth Amendment dated April 24, 2024, aggregate commitments were increased to $1.7 billion. With respect to $1.505 billion of commitments, the revolving period was extended to April 24, 2028 and the stated maturity was extended to April 24, 2029. For the remaining $195.0 million of commitments, (A) with respect to $25.0 million of commitments, the revolving period ends on February 4, 2025 and the stated maturity is February 4, 2026 and (B) with respect to $170.0 million of commitments, the revolving period ends April 24, 2026 and the stated maturity is April 23, 2027.

We may borrow amounts in U.S. dollars or certain other permitted currencies. As of September 30, 2024, we had outstanding debt denominated in Australian dollars (AUD) of 64.9 million, British pounds (GBP) of 43.5 million, Canadian dollars (CAD) of 5.0 million, Swedish Krona (SEK) of 78.8 million and Euro (EUR) of 149.2 million on its Revolving Credit Facility, included in the Outstanding Principal amount in the table below. As of December 31, 2023, the Company had outstanding debt denominated in Australian dollars (AUD) of 66.4 million, British pounds (GBP) of 32.3 million, Canadian dollars (CAD) of 96.8 million, and Euro (EUR) of 57.2 million on our Revolving Credit Facility, included in the Outstanding Principal amount in the table below.

The Revolving Credit Facility also provides for the issuance of letters of credit up to an aggregate amount of $75.0 million. As of September 30, 2024 and December 31, 2023 the Company had $3.0 million and $0.2 million, respectively, letters of credit issued through the Revolving Credit Facility. The amount available for borrowing under the Revolving Credit Facility is reduced by any letters of credit issued through the Revolving Credit Facility.

Amounts drawn under the Revolving Credit Facility, including amounts drawn in respect of letters of credit, bear interest at either the applicable reference rate plus an applicable credit spread adjustment, plus a margin of either 1.75% or 1.875%, or the base rate plus a margin of either 0.75% or 0.875%, in each case, based on the total amount of the borrowing base relative to the sum of the total commitments (or, if greater, the total exposure) under the Revolving Credit Facility plus certain other designated secured debt. We may elect either the applicable reference rate or base rate at the time of drawdown, and loans may be converted from one rate to another at any time, subject to certain conditions. We also pay a fee of 0.375% on undrawn amounts and, in respect of each undrawn letter of credit, a fee and interest rate equal to the then applicable margin while the letter of credit is outstanding.

The Revolving Credit Facility is guaranteed by Sixth Street SL SPV, LLC, TC Lending, LLC and Sixth Street SL Holding, LLC. The Revolving Credit Facility is secured by a perfected first-priority security interest in substantially all the portfolio investments held by us and each guarantor. Proceeds from borrowings may be used for general corporate purposes, including the funding of portfolio investments.

The Revolving Credit Facility includes customary events of default, as well as customary covenants, including restrictions on certain distributions and financial covenants. In accordance with the terms of the Fifteenth Amendment, the financial covenants require:

an asset coverage ratio of no less than 1.5 to 1 on the last day of any fiscal quarter;
stockholders’ equity of at least $650 million plus 25% of the net proceeds of the sale of equity interests after April 24, 2024; and
minimum asset coverage ratio of no less than 2 to 1 with respect to (i) the consolidated assets of the Company and the subsidiary guarantors (including certain limitations on the contribution of equity in financing subsidiaries) to (ii) the secured debt of the Company and its subsidiary guarantors plus unsecured senior securities of the Company and its subsidiary guarantors that mature within 90 days of the date of determination (the “Obligor Asset Coverage Ratio”).

The Revolving Credit Facility also contains certain additional concentration limits in connection with the calculation of the borrowing base, based on the Obligor Asset Coverage Ratio.

Net proceeds received from the Company’s common stock issuances in February 2024 and April 2024 and net proceeds received from the issuance of the 2029 Notes were used to pay down borrowings on the Revolving Credit Facility.

As of September 30, 2024 and December 31, 2023, the Company was in compliance with the terms of the Revolving Credit Facility.

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2023 Notes

In January 2018, the Company issued $ 150.0 million aggregate principal amount of unsecured notes that matured on January 22, 2023 (the “ 2023 Notes ”). The principal amount of the 2023 Notes was payable at maturity. The 2023 Notes bore interest at a rate of 4.50% per year, payable semi-annually commencing on July 22, 2018, and were redeemable in whole or in part at the Company’s option at any time at par plus a “make whole” premium. Total proceeds from the issuance of the 2023 Notes, net of underwriting discounts and offering costs, were $146.9 million. The Company used the net proceeds of the 2023 Notes to repay outstanding indebtedness under the Revolving Credit Facility. The 2023 Notes matured on January 22, 2023 and were fully repaid in cash. The swap transaction associated with the issuance of the 2023 Notes also matured on January 22, 2023.

2024 Notes

In November 2019, the Company issued $ 300.0 million aggregate principal amount of unsecured notes that matured on November 1, 2024 (the “ 2024 Notes ”). The principal amount of the 2024 Notes was payable at maturity. The 2024 Notes bear interest at a rate of 3.875% per year, payable semi-annually commencing on May 1, 2020, and may be redeemed in whole or in part at our option at any time at par plus a “make whole” premium. Total proceeds from the issuance of the 2024 Notes, net of underwriting discounts, offering costs and original issue discount were $292.9 million. The Company used the net proceeds of the 2024 Notes to repay outstanding indebtedness under the Revolving Credit Facility.

On February 5, 2020, the Company issued an additional $ 50.0 million aggregate principal amount of unsecured notes that mature on November 1, 2024. The additional 2024 Notes are a further issuance of, fungible with, rank equally in right of payment with and have the same terms (other than the issue date and the public offering price) as the initial issuance of 2024 Notes. Total proceeds from the issuance of the additional 2024 Notes, net of underwriting discounts, offering costs and original issue premium were $50.1 million. The Company used the net proceeds of the 2024 Notes to repay outstanding indebtedness under the Revolving Credit Facility.

In connection with the 2024 Notes offering and the reopening of the 2024 Notes, the Company entered into interest rate swaps to align the interest rates of its liabilities with the Company’s investment portfolio, which consists of predominately floating rate loans. The notional amount of the two interest rates swaps is $300.0 million and $50.0 million, respectively, each of which matures on November 1, 2024, matching the maturity date of the 2024 Notes. As a result of the swaps, the Company’s effective interest rate on the 2024 Notes is SOFR plus 2.54% (on a weighted average basis). The interest expense related to the 2024 Notes is offset by proceeds received from the interest rate swaps designated as a hedge. The swap adjusted interest expense is included as a component of interest expense on the Company’s Consolidated Statements of Operations. As of September 30, 2024, and December 31, 2023, the effective hedge interest rate swaps had a fair value of $(1.3) million and $(10.4) million, respectively, which is offset within interest expense by an equal, but opposite, fair value change for the hedged risk on the 2024 Notes.

During the year ended December 31, 2020, the Company repurchased on the open market and extinguished $2.5 million in aggregate principal amount of the 2024 Notes for $2.4 million. In connection with the repurchase of the 2024 Notes, the Company entered into a floating-to-fixed interest rate swap with a notional amount equal to the amount of 2024 Notes repurchased, which had the effect of reducing the notional exposure of the fixed-to-floating interest rate swaps, which were entered into in connection with the issuance of the 2024 Notes, to match the remaining principal amount of the 2024 Notes outstanding. As a result of the swap, the Company’s effective interest rate on the outstanding 2024 Notes is SOFR plus 2.54% (on a weighted average basis).

2026 Notes

On February 3, 2021, the Company issued $ 300.0 million aggregate principal amount of unsecured notes that mature on August 1, 2026 (the “ 2026 Notes ”). The principal amount of the 2026 Notes is payable at maturity. The 2026 Notes bear interest at a rate of 2.50% per year, payable semi-annually commencing on August 1, 2021, and may be redeemed in whole or in part at the Company’s option at any time at par plus a “make whole” premium. Total proceeds from the issuance of the 2026 Notes, net of underwriting discounts, offering costs and original issue discount, were $293.7 million. The Company used the net proceeds of the 2026 Notes to repay outstanding indebtedness under the Revolving Credit Facility.

In connection with the issuance of the 2026 Notes, the Company entered into an interest rate swap to align the interest rates of its liabilities with the Company’s investment portfolio, which consists of predominately floating rate loans. The notional amount of the interest rate swap is $300.0 million, which matures on August 1, 2026, matching the maturity date of the 2026 Notes. As a result of the swap, the Company’s effective interest rate on the 2026 Notes is SOFR plus 2.17%. The interest expense related to the 2026 Notes is offset by proceeds received from the interest rate swaps designated as a hedge. The swap adjusted interest expense is included as a component of interest expense on the Company’s Consolidated Statements of Operations. As of September 30, 2024 and December 31, 2023, the effective hedge interest rate swaps had a fair value of $(17.2) million and $(26.1) million, respectively, which is offset within interest expense by an equal, but opposite, fair value change for the hedged risk on the 2026 Notes.

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2028 Notes

On August 14, 2023, the Company issued $ 300.0 million aggregate principal amount of unsecured notes that mature on August 14, 2028 (the “ 2028 Notes ”). The principal amount of the 2028 Notes is payable at maturity. The 2028 Notes bear interest at a rate of 6.95% per year, payable semi-annually commencing on February 14, 2024, and may be redeemed in whole or in part at the Company’s option at any time at par plus a “make whole” premium. Total proceeds from the issuance of the 2028 Notes, net of underwriting discounts, offering costs and original issue discount, were $293.9 million. The Company used the net proceeds of the 2028 Notes to repay outstanding indebtedness under the Revolving Credit Facility.

In connection with the issuance of the 2028 Notes, the Company entered into an interest rate swap to align the interest rates of its liabilities with the Company’s investment portfolio, which consists of predominately floating rate loans. The notional amount of the interest rate swap is $300.0 million, which matures on August 14, 2028, matching the maturity date of the 2028 Notes. As a result of the swap, the Company’s effective interest rate on the 2028 Notes is SOFR plus 2.99%. The interest expense related to the 2028 Notes is offset by proceeds received from the interest rate swaps designated as a hedge. The swap adjusted interest expense is included as a component of interest expense on the Company’s Consolidated Statements of Operations. As of September 30, 2024 and December 31, 2023, the effective hedge interest rate swaps had a fair value of $6.7 million and $4.7 million, respectively, which is offset within interest expense by an equal, but opposite, fair value change for the hedged risk on the 2028 Notes.

2029 Note s

On January 8, 2024, the Company issued $ 350.0 million aggregate principal amount of unsecured notes that mature on March 1, 2029 (the “ 2029 Notes ”). The principal amount of the 2029 Notes is payable at maturity. The 2029 Notes bear interest at a rate of 6.125% per year, payable semi-annually commencing on September 1, 2024, and may be redeemed in whole or in part at the Company’s option at any time at par plus a “make whole” premium. Total proceeds from the issuance of the 2029 Notes, net of underwriting discounts, offering costs and original issue discount, were $341.6 million. The Company used the net proceeds of the 2029 Notes to repay outstanding indebtedness under the Revolving Credit Facility.

In connection with the issuance of the 2029 Notes, the Company entered into an interest rate swap to align the interest rates of its liabilities with the Company’s investment portfolio, which consists of predominately floating rate loans. The notional amount of the interest rate swap is $350.0 million, which matures on March 1, 2029, matching the maturity date of the 2029 Notes. As a result of the swap, the Company’s effective interest rate on the 2029 Notes is SOFR plus 2.44%. The interest expense related to the 2029 Notes is offset by proceeds received from the interest rate swaps designated as a hedge. The swap adjusted interest expense is included as a component of interest expense on the Company’s Consolidated Statements of Operations. As of September 30, 2024, the effective hedge interest rate swaps had a fair value of $5.4 million which is offset within interest expense by an equal, but opposite, fair value change for the hedged risk on the 2029 Notes.

Debt obligations consisted of the following as of September 30, 2024 and December 31, 2023:

September 30, 2024

Aggregate Principal

Outstanding

Amount

Carrying

($ in millions)

Amount Committed

Principal

Available (1)

Value (2)(3)

Revolving Credit Facility

$

1,700.0

$

610.0

$

1,087.0

$

593.6

2024 Notes

347.5

347.5

346.1

2026 Notes

300.0

300.0

280.7

2028 Notes

300.0

300.0

301.9

2029 Notes

350.0

350.0

348.1

Total Debt

$

2,997.5

$

1,907.5

$

1,087.0

$

1,870.4

(1)
The amount available may be subject to limitations related to the borrowing base under the Revolving Credit Facility, outstanding letters of credit and asset coverage requirements
(2)
The carrying values of the Revolving Credit Facility, 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes are presented net of the combination of deferred financing costs and original issue discounts totaling $16.3 million, $0.1 million, $2.1 million, $4.8 million, and $7.3 million, respectively.
(3)
The carrying values of the 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes are presented inclusive of an incremental $(1.3) million, $(17.2) million, $6.7 million and $5.4 million, respectively, which represents an adjustment in the carrying values of the 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes, each resulting from a hedge accounting relationship.

65


December 31, 2023

Aggregate Principal

Outstanding

Amount

Carrying

($ in millions)

Amount Committed

Principal

Available (1)

Value (2)(3)

Revolving Credit Facility

$

1,710.0

$

889.7

$

820.2

$

874.5

2024 Notes

347.5

347.5

335.9

2026 Notes

300.0

300.0

270.9

2028 Notes

300.0

300.0

299.0

Total Debt

$

2,657.5

$

1,837.2

$

820.2

$

1,780.3

(1)
The amount available may be subject to limitations related to the borrowing base under the Revolving Credit Facility, outstanding letters of credit and asset coverage requirements.
(2)
The carrying values of the Revolving Credit Facility, 2024 Notes, 2026 Notes and 2028 Notes are presented net of the combination of deferred financing costs and original issue discounts totaling $15.2 million, $1.2 million, $3.0 million and $5.7 million, respectively.
(3)
The carrying values of the 2024 Notes, 2026 Notes and 2028 Notes are presented inclusive of an incremental $(10.4) million, $(26.1) million and $4.7 million, respectively, which represents an adjustment in the carrying values of the 2024 Notes, 2026 Notes and 2028 Notes, each resulting from a hedge accounting relationship.

As of September 30, 2024 and December 31, 2023 , we were in compliance with the terms of our debt arrangements. We intend to continue to utilize our credit facilities to fund investments and for other general corporate purposes.

Off-Balance Sheet Arrangements

Portfolio Company Commitments

From time to time, we may enter into commitments to fund investments. We incorporate these commitments into our assessment of our liquidity position. Our senior secured revolving loan commitments are generally available on a borrower’s demand and may remain outstanding until the maturity date of the applicable loan. Our senior secured delayed draw term loan commitments are generally available on a borrower’s demand and, once drawn, generally have the same remaining term as the associated loan agreement. Undrawn senior secured delayed draw term loan commitments generally have a shorter availability period than the term of the associated loan agreement. As of September 30, 2024 and December 31, 2023, we had the following commitments to fund investments in current portfolio companies:

66


($ in millions)

September 30, 2024

December 31, 2023

Alaska Bidco Oy - Delayed Draw & Revolver

$

0.2

$

0.2

Alpha Midco, Inc. - Delayed Draw & Revolver

0.5

0.5

American Achievement, Corp. - Revolver

2.4

2.4

Apellis Pharmaceuticals, Inc. - Delayed Draw

5.3

Aptean, Inc. - Delayed Draw & Revolver

1.7

Arrow Buyer, Inc. - Delayed Draw

5.5

7.6

Arrowhead Pharmaceuticals, Inc. - Delayed Draw

33.2

Artisan Bidco, Inc. - Revolver

5.7

5.7

ASG II, LLC - Delayed Draw

3.4

Avalara, Inc. - Revolver

3.9

3.9

Axonify, Inc. - Delayed Draw

1.4

3.4

Azurite Intermediate Holdings, Inc. - Delayed Draw, Revolver & Equity

16.3

Babylon Finco Limited - Delayed Draw

0.3

Banyan Software Holdings, LLC - Delayed Draw

13.5

10.0

Bayshore Intermediate #2, L.P. - Revolver

2.4

1.9

BCTO Ace Purchaser, Inc. - Delayed Draw

0.2

0.5

BCTO Bluebill Buyer, Inc. - Delayed Draw

4.1

5.1

Bear OpCo, LLC - Delayed Draw

1.2

Ben Nevis Midco Limited - Delayed Draw

1.4

BlueSnap, Inc. - Delayed Draw & Revolver

6.3

2.5

BTRS Holdings, Inc. - Delayed Draw & Revolver

3.4

5.6

Cirrus (Bidco) Ltd - Delayed Draw

0.4

Cordance Operations, LLC - Delayed Draw & Revolver

9.0

2.0

Coupa Holdings, LLC - Delayed Draw & Revolver

6.8

6.8

Crewline Buyer, Inc. - Revolver & Equity

6.1

6.1

Disco Parent, Inc. - Revolver

0.5

0.5

Dye & Durham Corp. - Revolver

1.2

EDB Parent, LLC - Delayed Draw

6.9

11.4

Edge Bidco B.V. - Delayed Draw & Revolver

1.1

1.1

Elements Finco Limited - Delayed Draw

4.3

Elysian Finco Ltd. - Delayed Draw & Revolver

2.0

4.7

Employment Hero Holdings Pty Ltd. - Delayed Draw & Revolver

9.0

8.9

EMS Linq, Inc. - Revolver

5.4

8.8

Erling Lux Bidco SARL - Delayed Draw & Revolver

8.5

3.2

ExtraHop Networks, Inc. - Delayed Draw & Revolver

4.4

9.8

ForeScout Technologies, Inc. - Delayed Draw & Revolver

0.8

3.4

Fullsteam Operations, LLC - Delayed Draw & Revolver

7.2

11.2

Galileo Parent, Inc. - Revolver

3.2

6.8

Greenshoot Bidco B.V. - Revolver

0.4

Heritage Environmental Services, Inc. - Delayed Draw & Revolver

2.5

Hippo XPA Bidco AB - Delayed Draw & Revolver

1.9

Hirevue, Inc. - Revolver

4.1

6.9

Hornetsecurity Holding GmbH - Delayed Draw & Revolver

2.1

Ibis Intermediate Co. - Delayed Draw

6.3

IRGSE Holding Corp. - Revolver

0.7

0.9

Kangaroo Bidco AS - Delayed Draw

4.4

9.4

Kyriba Corp. - Revolver

2.4

2.5

Laramie Energy, LLC - Delayed Draw

7.7

LeanTaaS Holdings, Inc. - Delayed Draw

20.9

38.0

Lucidworks, Inc. - Delayed Draw

0.8

Lynx BidCo - Delayed Draw & Revolver

0.9

Marcura Equities LTD - Delayed Draw & Revolver

11.7

11.7

Merit Software Finance Holdings, LLC - Delayed Draw & Revolver

15.7

Netwrix Corp. - Delayed Draw & Revolver

2.9

13.1

OutSystems Luxco SARL - Delayed Draw

2.2

2.2

67


Passport Labs, Inc. - Revolver

2.8

PDI TA Holdings, Inc. - Delayed Draw & Revolver

5.4

Ping Identity Holding Corp. - Revolver

2.3

PrimeRevenue, Inc. - Revolver

6.3

6.3

Project44, Inc. - Delayed Draw

19.9

19.9

Rapid Data GmbH Unternehmensberatung - Delayed Draw & Revolver

4.8

6.3

Raptor US Buyer II Corp. - Revolver

0.7

ReliaQuest Holdings, LLC - Delayed Draw & Equity

0.8

4.4

Sapphire Software Buyer, Inc. - Revolver

3.2

Scorpio Bidco - Delayed Draw

0.5

Shiftmove GmbH - Delayed Draw

14.6

SkyLark UK DebtCo Limited - Delayed Draw

7.4

7.1

SL Buyer Corp. - Delayed Draw

11.9

13.2

Sport Alliance GmbH - Revolver

0.7

Tango Management Consulting, LLC - Delayed Draw & Revolver

4.6

11.0

TRP Assets, LLC - Delayed Draw

1.0

Truck-Lite Co., LLC - Delayed Draw & Revolver

8.7

USA Debusk LLC - Delayed Draw & Revolver

2.6

Varinem German Bidco GmbH - Delayed Draw

3.8

Wrangler Topco, LLC - Delayed Draw & Revolver

1.4

0.4

Total Portfolio Company Commitments (1)(2)

$

351.3

$

316.1

(1)
Represents the full amount of our commitments to fund investments on such date. Commitments may be subject to limitations on borrowings set forth in the agreements between us and the applicable portfolio company. As a result, portfolio companies may not be eligible to borrow the full commitment amount on such date.
(2)
Our estimate of the fair value of the current investments in these portfolio companies includes an analysis of the fair value of any unfunded commitments.

Other Commitments and Contingencies

As of September 30, 2024, we had an unfunded commitment of $5.0 million to a new borrower that is not a current portfolio company. As of December 31, 2023, we did not have any unfunded commitments to fund investments to new borrowers that were not current portfolio companies as of such date.

From time to time, we may become a party to certain legal proceedings incidental to the normal course of our business. As of September 30, 2024, management is not aware of any material pending or threatened litigation that would require accounting recognition or financial statement disclosure.

We have certain contracts under which we have material future commitments. Under the Investment Advisory Agreement, our Adviser provides us with investment advisory and management services. For these services, we pay the Management Fee and the Incentive Fee.

Under the Administration Agreement, our Adviser furnishes us with office facilities and equipment, provides us clerical, bookkeeping and record keeping services at such facilities and provides us with other administrative services necessary to conduct our day-to-day operations. We reimburse our Adviser for the allocable portion (subject to the review and approval of our Board) of expenses incurred by it in performing its obligations under the Administration Agreement, the fees and expenses associated with performing compliance functions and our allocable portion of the compensation of our Chief Compliance Officer, Chief Financial Officer and other professionals who spend time on those related activities (based on a percentage of time those individuals devote, on an estimated basis, to our business and affairs). Our Adviser also offers on our behalf significant managerial assistance to those portfolio companies to which we are required to offer to provide such assistance.

68


Contractual Obligations

A summary of our contractual payment obligations as of September 30, 2024 is as follows:

Payments Due by Period

Less than

($ in millions)

Total

1 year

1-3 years

3-5 years

After 5 years

Revolving Credit Facility

$

610.0

$

$

$

610.0

$

2024 Notes

347.5

347.5

2026 Notes

300.0

300.0

2028 Notes

300.0

300.0

2029 Notes

350.0

350.0

Total Contractual Obligations

$

1,907.5

$

347.5

$

300.0

$

1,260.0

$

In addition to the contractual payment obligations in the tables above, we also have commitments to fund investments and to pledge assets as collateral under the terms of our derivatives agreements.

Distributions

We have elected and qualified to be treated for U.S. federal income tax purposes as a RIC under subchapter M of the Code. To maintain our RIC status, we must distribute (or be treated as distributing) in each taxable year dividends for tax purposes equal to at least 90 percent of the sum of our:

investment company taxable income (which is generally our ordinary income plus the excess of realized net short-term capital gains over realized net long-term capital losses), determined without regard to the deduction for dividends paid, for such taxable year; and
net tax-exempt interest income (which is the excess of our gross tax exempt interest income over certain disallowed deductions) for such taxable year.

As a RIC, we (but not our stockholders) generally will not be subject to U.S. federal income tax on investment company taxable income and net capital gains that we distribute to our stockholders.

We intend to distribute annually all or substantially all of such income. To the extent that we retain our net capital gains or any investment company taxable income, we generally will be subject to corporate-level U.S. federal income tax. We may choose to retain our net capital gains or any investment company taxable income, and pay the U.S. federal excise tax described below.

Amounts not distributed on a timely basis in accordance with a calendar year distribution requirement are subject to a nondeductible 4% U.S. federal excise tax payable by us. To avoid this tax, we must distribute (or be treated as distributing) during each calendar year an amount at least equal to the sum of:

98% of our net ordinary income excluding certain ordinary gains or losses for that calendar year;
98.2% of our capital gain net income, adjusted for certain ordinary gains and losses, recognized for the twelve-month period ending on October 31 of that calendar year; and
100% of any income or gains recognized, but not distributed, in preceding years.

While we intend to distribute any income and capital gains in the manner necessary to minimize imposition of the 4% U.S. federal excise tax, sufficient amounts of our taxable income and capital gains may not be distributed to avoid entirely the imposition of this tax. In that event, we will be liable for this tax only on the amount by which we do not meet the foregoing distribution requirement.

We intend to pay quarterly dividends to our stockholders out of assets legally available for distribution. All dividends will be paid at the discretion of our Board and will depend on our earnings, financial condition, maintenance of our RIC status, compliance with applicable BDC regulations and such other factors as our Board may deem relevant from time to time.

To the extent our current taxable earnings for a year fall below the total amount of our distributions for that year, a portion of those distributions may be deemed a return of capital to our stockholders for U.S. federal income tax purposes. Thus, the source of a distribution to our stockholders may be the original capital invested by the stockholder rather than our income or gains. Stockholders should read any written disclosure carefully and should not assume that the source of any distribution is our ordinary income or gains.

69


We have adopted an “opt out” dividend reinvestment plan for our common stockholders. As a result, if we declare a cash dividend or other distribution, each stockholder that has not “opted out” of our dividend reinvestment plan will have their dividends or distributions automatically reinvested in additional shares of our common stock rather than receiving cash dividends. Stockholders who receive distributions in the form of shares of common stock will be subject to the same U.S. federal, state and local tax consequences as if they received cash distributions.

Related-Party Transactions

We have entered into a number of business relationships with affiliated or related parties, including the following:

the Investment Advisory Agreement;
the Administration Agreement; and
an ongoing agreement with an affiliate of TPG Global, LLC governing, inter alia, the parties’ respective ownership of and rights to use the “Sixth Street” and “TPG” trademarks and certain variations thereof.

Critical Accounting Estimates

Our critical accounting policies and estimates, including those relating to the valuation of our investment portfolio, are described in our Annual Report on Form 10-K for the fiscal year ended December 31, 2023, filed with the SEC on February 15, 2024, and elsewhere in our filings with the SEC. The critical accounting policies and estimates should be read in connection with our risk factors discussed in Part I, “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended December 31, 2023.

ITEM 3. QUANTITATIVE AND QUALITATI VE DISCLOSURES ABOUT MARKET RISK

We are subject to financial market risks, including valuation risk, interest rate risk and currency risk.

Valuation Risk

We have invested, and plan to continue to invest, primarily in illiquid debt and equity securities of private companies. Most of our investments will not have a readily available market price, and we value these investments at fair value as determined in good faith by our Board in accordance with our valuation policy. There is no single standard for determining fair value. As a result, determining fair value requires that judgment be applied to the specific facts and circumstances of each portfolio investment while employing a consistently applied valuation process for the types of investments we make. If we were required to liquidate a portfolio investment in a forced or liquidation sale, we may realize amounts that are different from the amounts presented and such differences could be material.

Interest Rate Risk

Interest rate sensitivity refers to the change in earnings that may result from changes in the level of interest rates. We also fund portions of our investments with borrowings. Our net investment income is affected by the difference between the rate at which we invest and the rate at which we borrow. Accordingly, we cannot assure you that a significant change in market interest rates will not have a material adverse effect on our net investment income.

We regularly measure our exposure to interest rate risk. We assess interest rate risk and manage our interest rate exposure on an ongoing basis by comparing our interest rate-sensitive assets to our interest rate-sensitive liabilities. Based on that review, we determine whether or not any hedging transactions are necessary to mitigate exposure to changes in interest rates.

As of September 30, 2024, 98.8% of our debt investments based on fair value in our portfolio bore interest at floating rates, with 100.0% of these subject to interest rate floors. Our credit facilities also bear interest at floating rates, and in connection with our 2024 Notes, 2026 Notes, 2028 Notes and 2029 Notes, which bear interest at fixed rates, we entered into fixed-to-floating interest rate swaps in order to align the interest rates of our liabilities with our investment portfolio.

70


Assuming that our consolidated balance sheet as of September 30, 2024 were to remain constant and that we took no actions to alter our existing interest rate sensitivity, the following table shows the annualized impact of hypothetical base rate changes in interest rates (considering interest rate floors for floating rate instruments):

($ in millions)

Basis Point Change

Interest Income

Interest Expense

Net Interest Income

Up 300 basis points

$

95.1

$

57.2

$

37.9

Up 200 basis points

$

63.4

$

38.1

$

25.3

Up 100 basis points

$

31.7

$

19.1

$

12.6

Down 25 basis points

$

(7.9

)

$

(4.8

)

$

(3.1

)

Down 50 basis points

$

(15.8

)

$

(9.5

)

$

(6.3

)

Although we believe that this analysis is indicative of our existing sensitivity to interest rate changes, it does not adjust for changes in the credit market, credit quality, the size and composition of the assets in our portfolio and other business developments that could affect our net income. Accordingly, we cannot assure you that actual results would not differ materially from the analysis above.

We may in the future hedge against interest rate fluctuations by using hedging instruments such as additional interest rate swaps, futures, options and forward contracts. While hedging activities may mitigate our exposure to adverse fluctuations in interest rates, certain hedging transactions that we may enter into in the future, such as interest rate swap agreements, may also limit our ability to participate in the benefits of changes in interest rates with respect to our portfolio investments.

Currency Risk

From time to time, we may make investments that are denominated in a foreign currency. These investments are translated into U.S. dollars at each balance sheet date, exposing us to movements in foreign exchange rates. We may employ hedging techniques to minimize these risks, but we cannot assure you that such strategies will be effective or without risk to us. We may seek to utilize instruments such as, but not limited to, forward contracts to seek to hedge against fluctuations in the relative values of our portfolio positions from changes in currency exchange rates. We also have the ability to borrow in certain foreign currencies under our Revolving Credit Facility. Instead of entering into a foreign exchange forward contract in connection with loans or other investments we have made that are denominated in a foreign currency, we may borrow in that currency to establish a natural hedge against our loan or investment. To the extent the loan or investment is based on a floating rate other than a rate under which we can borrow under our Revolving Credit Facility, we may seek to utilize interest rate derivatives to hedge our exposure to changes in the associated rate.

ITEM 4. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures. As of the end of the period covered by this report, we carried out an evaluation, under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)). Any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that our current disclosure controls and procedures are effective in timely alerting them to material information relating to us that is required to be disclosed by us in the reports we file or submit under the Exchange Act.

Changes in Internal Control over Financial Reporting. There have been no changes in our internal control over financial reporting that occurred during our most recently completed fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

71


PART II – OTHE R INFORMATION

From time to time, we may be a party to certain legal proceedings in the ordinary course of business, including proceedings relating to the enforcement of our rights under loans to or other contracts with our portfolio companies. We are not currently subject to any material legal proceedings, nor, to our knowledge, is any material legal proceeding threatened against us.

Item 1A. Ris k Factors.

In addition to the other information set forth in this report, you should carefully consider the risk factors discussed in Part I, “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended December 31, 2023, which could materially affect our business, financial condition and/or operating results. These risks are not the only risks facing our Company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially and adversely affect our business, financial condition and/or operating results.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds .

None.

Item 3. Defaults Upon Senior Securities.

Not applicable.

Item 4. Mine Safe ty Disclosures.

Not applicable.

Item 5. Other Information.

Rule 10b5-1 Trading Plans

During the three months ended September 30, 2024 , no ne of our directors or officers (as defined in Rule 16a-1(f) under the Exchange Act) adopted, modified or terminated any Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K).

72


Item 6. Ex hibits.

3.1

Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.2 to Amendment No. 1 to the Company’s Current Report on Form 8-K filed on June 19, 2020)

3.2

Second Amended and Restated Bylaws dated July 10, 2023 (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K/A filed on July 17, 2023)

31.1

Certification of Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

31.2

Certification of Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

32

Certification of CEO and CFO Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

101.INS

Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because XBRL tags are embedded within the Inline XBRL document.

101.SCH

Inline XBRL Taxonomy Extension Schema Document With Embedded Linkbase Documents

104

Cover Page Interactive Data File (embedded within the Inline XBRL document)

73


SIGNAT URES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

SIXTH STREET SPECIALTY LENDING, INC.

Date: November 5, 2024

By:

/s/ Joshua Easterly

Joshua Easterly

Chief Executive Officer

(principal executive officer)

Date: November 5, 2024

By:

/s/ Ian Simmonds

Ian Simmonds

Chief Financial Officer

(principal financial officer)

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