v3.26.1
Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2026
Fair Value Disclosures [Abstract]  
Schedule of Portfolio Investments by Level in the Fair Value Hierarchy
The following tables present the fair value hierarchy of investments and cash equivalents:

March 31, 2026
Level 1Level 2Level 3Total
First lien debt$— $1,507,897 $22,351,784 $23,859,681 
Second lien debt— — 27,742 27,742 
Other secured debt— — 228,097 228,097 
Unsecured debt— 6,254 48,196 54,450 
Structured finance investments— 53,745 30,458 84,203 
Equity investments— 21 327,445 327,466 
Total investments— 1,567,917 23,013,722 24,581,639 
Investments measured at NAV(1)
— — — 426,214 
Total$— $1,567,917 $23,013,722 $25,007,853 
Cash equivalents$322,919 $— $— $322,919 
December 31, 2025
Level 1Level 2Level 3Total
First lien debt$— $1,651,049 $22,744,446 $24,395,495 
Second lien debt— — 27,881 27,881 
Other secured debt— — 226,763 226,763 
Unsecured debt— 13,336 46,809 60,145 
Structured finance investments— 58,926 29,738 88,664 
Equity investments— 21 122,207 122,228 
Total investments— 1,723,332 23,197,844 24,921,176 
Investments measured at NAV(1)
— — — 416,244 
Total$— $1,723,332 $23,197,844 $25,337,420 
Cash equivalents$403,602 $— $— $403,602 
(1)Includes investment in ULTRA III (refer to Note 11). Certain investments that are measured at fair value using the NAV practical expedient have not been categorized in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the Consolidated Statements of Assets and Liabilities.
Schedule of Changes in Level 3 Portfolio Investments
The following tables present change in the fair value of investments for which Level 3 inputs were used to determine fair value:

Three Months Ended March 31, 2026
First Lien DebtSecond Lien DebtOther Secured DebtUnsecured DebtStructured Finance InvestmentsEquity InvestmentsTotal Investments
Fair value, beginning of period$22,744,446 $27,881 $226,763 $46,809 $29,738 $122,207 $23,197,844 
Purchases of investments(1)
1,216,113 77 33,415 1,626 760 209,365 1,461,356 
Proceeds from principal repayments and sales of investments(1,432,770)— (29,442)— — (1,586)(1,463,798)
Accretion of discount/amortization of premium22,894 64 504 47 — — 23,509 
Net realized gain (loss)17,545 — 465 — — — 18,010 
Net change in unrealized appreciation (depreciation)(222,865)(280)(3,608)(286)(40)(2,541)(229,620)
Transfers in(2)
10,710 — — — — — 10,710 
Transfers out(2)
(4,289)— — — — — (4,289)
Fair value, end of period$22,351,784 $27,742 $228,097 $48,196 $30,458 $327,445 $23,013,722 
Net change in unrealized appreciation (depreciation) related to financial instruments still held as of March 31, 2026
$(215,042)$(280)$(3,254)$(286)$(40)$(2,541)$(221,443)
(1)Purchases include PIK interest and dividends, if applicable.
(2)Transfers between levels, if any, are recognized at the beginning of the period in which the transfers occur. For the three months ended March 31, 2026, transfers out of level 3 of $(4.3) million were due to an increase in the number of market quotations and/or an increase in the reliability of market quotations obtained by the Adviser. For the three months ended March 31, 2026, transfers into level 3 of $10.7 million were due to a decrease in the number of market quotations and/or a decrease in the reliability of market quotations obtained by the Adviser.
Three Months Ended March 31, 2025
First Lien DebtSecond Lien DebtOther Secured DebtUnsecured DebtEquity InvestmentsTotal Investments
Fair value, beginning of period$14,353,422 $31,340 $68,501 $32,826 $60,471 $14,546,560 
Purchases of investments(1)
2,240,791 — 889 1,139 11,927 2,254,746 
Proceeds from principal repayments and sales of investments(251,603)(4,470)(5,416)— (656)(262,145)
Accretion of discount/amortization of premium16,878 183 — 17,074 
Net realized gain (loss)(13,104)(4,874)— — 588 (17,390)
Net change in unrealized appreciation (depreciation)81,462 5,026 95 (213)229 86,599 
Transfers in(2)
— — — — — — 
Transfers out(2)
(38,097)— — — — (38,097)
Fair value, end of period$16,389,749 $27,030 $64,252 $33,757 $72,559 $16,587,347 
Net change in unrealized appreciation (depreciation) related to financial instruments still held as of March 31, 2025
$75,562 $5,047 $95 $(213)$594 $81,085 
(1)Purchases include PIK interest and dividends, if applicable.
(2)Transfers between levels, if any, are recognized at the beginning of the period in which the transfers occur. For the three months ended March 31, 2025, transfers out of level 3 were primarily due to an increase in the number of market quotations and/or an increase in the reliability of market quotations obtained by the Adviser.
Schedule of Fair Value Measurement Inputs and Valuation Techniques
The following tables present quantitative information about the significant unobservable inputs of the Company’s Level 3 financial instruments. The tables are not intended to be all-inclusive but instead captures the significant unobservable inputs relevant to the Company’s determination of fair value.

March 31, 2026
Range
Weighted Average(2)
Fair Value(1)
Valuation TechniqueUnobservable InputLowHigh
Investments in first lien debt$18,390,024 Yield analysisDiscount rate5.92 %45.92 %9.49 %
159,166 Discounted cash flowDiscount rate9.50 %20.00 %15.46 %
Exit multiple
2.90x
 10.21x
8.68x
18,886 Recovery analysisRecovery rate41.70 %41.70 %41.70 %
Investments in second lien debt25,000 Yield analysisDiscount rate8.67 %8.67 %8.67 %
2,742 Discounted cash flowDiscount rate9.50 %9.50 %9.50 %
Exit multiple
8.48x
8.48x
8.48x
Investments in other secured debt200,784 Yield analysisDiscount rate8.49 %11.55 %9.98 %
Investments in unsecured debt37,533 Yield analysisDiscount rate12.43 %17.58 %14.65 %
10,570 Discounted cash flowDiscount rate17.00 %17.00 %17.00 %
Exit multiple
9.00x
9.00x
9.00x
93 Recovery analysisRecovery rate5.25 %5.25 %5.25 %
Investments in structured finance obligations - debt instruments30,459 Yield analysisDiscount rate6.39 %11.88 %10.65 %
Investments in preferred equity75,570 Yield analysisDiscount rate10.30 %19.64 %16.46 %
12,682 Discounted cash flowDiscount rate9.50 %20.00 %12.16 %
Exit multiple
 8.75x
10.00x
 9.68x
Investments in common equity16,634 Yield analysisDiscount rate8.00 %15.00 %10.82 %
35,097 Discounted cash flowDiscount rate6.83 %17.00 %11.00 %
Exit multiple
 5.67x
 10.21x
8.31x
Cap rate8.03 %8.03 %8.03 %
December 31, 2025
Range
Weighted Average(2)
Fair Value(1)
Valuation TechniqueUnobservable InputLowHigh
Investments in first lien debt$16,911,655 Yield analysisDiscount rate6.06 %37.01 %9.56 %
99,057 Discounted cash flowDiscount rate9.50 %20.00 %12.99 %
Exit multiple
2.90x
 10.20x
9.50x
18,556 Recovery analysisRecovery rate43.91 %43.91 %43.91 %
Investments in second lien debt25,216 Yield analysisDiscount rate8.56 %8.56 %8.56 %
2,665 Discounted cash flowDiscount rate9.50 %9.50 %9.50 %
Exit multiple
8.48x
8.48x
8.48x
Investments in other secured debt132,515 Yield analysisDiscount rate8.62 %15.91 %10.85 %
Investments in unsecured debt36,454 Yield analysisDiscount rate12.72 %17.66 %14.66 %
10,262 Discounted cash flowDiscount rate16.00 %16.00 %16.00 %
Exit multiple
9.00x
9.00x
9.00x
93 Recovery analysisRecovery rate5.42 %5.42 %5.42 %
Investments in structured finance obligations - debt instruments29,738 Yield analysisDiscount rate6.23 %12.24 %10.88 %
Investments in preferred equity69,922 Yield analysisDiscount rate8.60 %24.23 %17.89 %
13,125 Discounted cash flowDiscount rate9.50 %20.00 %12.25 %
Exit multiple
8.75x
10.00x
9.67x
Investments in common equity9,751 Yield analysisDiscount rate8.00 %8.00 %8.00 %
27,409 Discounted cash flowDiscount rate7.31 %20.00 %12.29 %
Exit multiple
5.55x
11.50x
9.60x
Cap rate8.29 %8.29 %8.29 %
(1)As of March 31, 2026, included within the fair value of Level 3 assets of $23,013,722 is an amount of $3,998,482 for which the Adviser did not develop the unobservable inputs (examples include third-party pricing and transaction prices). As of December 31, 2025, included within the fair value of Level 3 assets of $23,197,844 is an amount of $5,811,426 for which the Adviser did not develop the unobservable inputs (examples include third-party pricing and transaction prices).
(2)Weighted averages are calculated based on fair value of investments.
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments
The following table presents fair value measurements of the Company’s debt obligations as of March 31, 2026 and December 31, 2025, had they been accounted for at fair value:

Debt
March 31, 2026December 31, 2025
Carrying ValueFair ValueCarrying ValueFair Value
HLEND A Funding Facility$723,382 $723,382 $758,407 $758,407 
HLEND B Funding Facility900,773 900,773 833,783 833,783 
HLEND C Funding Facility510,000 510,000 510,000 510,000 
HLEND D Funding Facility575,428 575,428 757,110 757,110 
HLEND E Funding Facility903,100 903,100 906,290 906,290 
Revolving Credit Facility592,290 592,290 1,742,106 1,742,106 
November 2027 Notes(1)
154,794 161,357 155,206 164,994 
March 2028 Notes(1)
123,991 129,217 124,775 132,520 
September 2027 Notes(1)
75,306 78,059 75,847 79,693 
September 2028 Notes(1)
251,821 265,709 253,865 273,213 
January 2029 Notes(1)
545,848 558,338 548,317 574,607 
September 2029 Notes(1)
400,412 399,860 403,520 414,580 
January 2028 Notes(1)
749,462 745,320 753,079 759,180 
April 2032 Notes(1)
501,060 483,655 504,209 508,160 
June 2027 Notes(1)
397,353 398,336 398,846 402,424 
June 2030 Notes(1)
493,612 488,080 497,133 506,670 
September 2028-1 Notes(1)
588,203 584,904 590,215 596,982 
November 2030 Notes(1)
486,090 478,810 489,753 498,825 
April 2029 Notes(1)
343,765 340,281 — — 
April 2031 Notes(1)
391,660 384,252 — — 
2023 CLO Refinancing Secured Notes(1)
575,360 578,903 575,217 578,576 
2024 CLO Secured Notes(1)
383,009 399,470 381,678 400,789 
2025 CLO Secured Debt(1)
846,021 846,989 845,771 851,044 
2025-4 CLO Secured Notes(1)
845,345 849,698 845,079 852,520 
2026 CLO Secured Notes(1)
507,269 510,175 — — 
Total$12,865,354 $12,886,386 $12,950,206 $13,102,473 
(1)As of March 31, 2026 and December 31, 2025, the carrying value of the Company’s Unsecured Notes and CLO Debt (each as defined below), as applicable, are presented net of unamortized debt issuance costs and original issue discount, as applicable, in the below table. Additionally, the carrying value of the Company’s Unsecured Notes includes the increase (decrease) in the notes carrying value as a result of the qualifying fair value hedge relationship as disclosed in the below table, as applicable, and as further described in Note 6.

March 31, 2026December 31, 2025
Unamortized Debt Issuance Costs and Original Issue DiscountCumulative Change in the Notes Carrying Value as a Result of the Qualifying Fair Value Hedge RelationshipUnamortized Debt Issuance Costs and Original Issue DiscountCumulative Change in the Notes Carrying Value as a Result of the Qualifying Fair Value Hedge Relationship
November 2027 Notes$(573)$367 $(660)$866 
March 2028 Notes(442)433 (498)1,273 
September 2027 Notes(287)593 (336)1,183 
September 2028 Notes(1,292)3,113 (1,422)5,287 
January 2029 Notes(7,203)3,051 (7,829)6,146 
September 2029 Notes(6,432)6,844 (6,885)10,405 
January 2028 Notes(7,063)6,525 (8,035)11,114 
April 2032 Notes(11,562)12,622 (12,033)16,242 
June 2027 Notes(2,575)(72)(3,005)1,851 
June 2030 Notes(6,723)335 (6,991)4,124 
September 2028-1 Notes(6,634)(5,163)(7,145)(2,640)
November 2030 Notes(5,120)(8,790)(5,265)(4,982)
April 2029 Notes(3,331)(2,904)— — 
April 2031 Notes(4,860)(3,480)— — 
2023 CLO Refinancing Secured Notes(2,640)— (2,783)— 
2024 CLO Secured Notes(16,991)— (18,322)— 
2025 CLO Secured Debt(3,979)— (4,229)— 
2025-4 CLO Secured Notes(4,655)— (4,921)— 
2026 CLO Secured Notes(2,731)— — — 
Total$(95,093)$13,474 $(90,359)$50,869 
Schedule of Fair Value Measurements of Debt Obligations
The following table presents the fair value hierarchy of the Company’s debt obligations as of March 31, 2026 and December 31, 2025:

March 31, 2026December 31, 2025
Level 1$— $— 
Level 28,047,071 6,944,357 
Level 34,839,315 6,158,116 
Total$12,886,386 $13,102,473