v3.26.1
Investments - Schedule of Investment Portfolio at Cost and Fair Value (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Schedule of Investments [Line Items]    
Cost $ 80,347,851 $ 82,916,241
Fair Value $ 77,649,107 $ 82,199,346
Investments At Fair Value | Investment Type Concentration Risk    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 100.00% 100.00%
First lien debt    
Schedule of Investments [Line Items]    
Cost $ 72,789,476 [1],[2],[3] $ 73,980,617 [4],[5],[6]
Fair Value $ 70,683,268 [1],[3] $ 73,345,369 [4],[6]
First lien debt | Investments At Fair Value | Investment Type Concentration Risk    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 91.00% 89.20%
Second lien debt    
Schedule of Investments [Line Items]    
Cost $ 3,136,291 [1],[2],[3] $ 3,296,882 [4],[5],[6]
Fair Value $ 2,894,973 [1],[3] $ 3,262,537 [4],[6]
Second lien debt | Investments At Fair Value | Investment Type Concentration Risk    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 3.70% 4.00%
Unsecured debt    
Schedule of Investments [Line Items]    
Cost $ 83,948 [1],[2],[3] $ 80,808 [4],[5],[6]
Fair Value $ 79,392 [1],[3] $ 79,427 [4],[6]
Unsecured debt | Investments At Fair Value | Investment Type Concentration Risk    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.10% 0.10%
Structured finance obligations - debt instruments    
Schedule of Investments [Line Items]    
Cost $ 221,476 $ 501,804
Fair Value $ 210,320 $ 501,333
Structured finance obligations - debt instruments | Investments At Fair Value | Investment Type Concentration Risk    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.30% 0.60%
Structured finance obligations - equity instruments    
Schedule of Investments [Line Items]    
Cost $ 324,820 $ 331,279
Fair Value $ 263,118 $ 301,610
Structured finance obligations - equity instruments | Investments At Fair Value | Investment Type Concentration Risk    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.40% 0.40%
Investments in Joint Ventures    
Schedule of Investments [Line Items]    
Cost $ 1,953,706 [1],[2],[3] $ 1,932,706 [4],[5],[6]
Fair Value $ 1,660,325 [1],[3] $ 1,791,813 [4],[6]
Investments in Joint Ventures | Investments At Fair Value | Investment Type Concentration Risk    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 2.10% 2.20%
Equity and other    
Schedule of Investments [Line Items]    
Cost $ 1,838,134 $ 2,792,145
Fair Value $ 1,857,711 $ 2,917,257
Equity and other | Investments At Fair Value | Investment Type Concentration Risk    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 2.40% 3.50%
[1] All securities are exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”), including investments in joint ventures, and may be deemed to be “restricted securities.” As of June 30, 2026, the aggregate fair value of these securities is $77,649.1 million, or 181.54% of the Company’s net assets. The initial acquisition dates have been included for such securities.
[2] The cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method in accordance with accounting principles generally accepted in the United States of America (“GAAP”).
[3] Unless otherwise indicated, all debt and equity investments held by the Company (which such term “Company” shall include the Company’s consolidated subsidiaries for purposes of this Condensed Consolidated Schedule of Investments) are denominated in U.S. Dollars. As of June 30, 2026, the Company had investments denominated in Canadian Dollars (CAD), Euros (EUR), British Pounds (GBP), Swiss Francs (CHF), Danish Krone (DKK), Swedish Krona (SEK), Norwegian Krone (NOK), New Zealand Dollars (NZD), and Australian Dollars (AUD). All debt investments are income producing unless otherwise indicated. All equity investments are non-income producing unless otherwise noted. Certain portfolio company investments are subject to contractual restrictions on sales. The total par amount (in thousands) is presented for debt investments and structured finance obligations, while the number of shares or units (in whole amounts) owned is presented for equity investments. Each of the Company’s investments is pledged as collateral, under one or more of its credit facilities unless otherwise indicated.
[4] All securities are exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”), including investments in joint ventures but excluding Loar Holdings Inc. - Common Equity, Moderna Inc - Common Stock, and Axsome Therapeutics, Inc. - Common Stock and may be deemed to be “restricted securities.” As of December 31, 2025, the aggregate fair value of these securities is $82,179.6 million, or 172.6% of the Company’s net assets. The initial acquisition dates have been included for such securities.
[5] The cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method in accordance with accounting principles generally accepted in the United States of America (“GAAP”).
[6] Unless otherwise indicated, all debt and equity investments held by the Company (which such term “Company” shall include the Company’s consolidated subsidiaries for purposes of this Condensed Consolidated Schedule of Investments) are denominated in U.S. Dollars. As of December 31, 2025, the Company had investments denominated in Canadian Dollars (CAD), Euros (EUR), British Pounds (GBP), Swiss Francs (CHF), Danish Krone (DKK), Swedish Krona (SEK), Norwegian Krone (NOK), New Zealand Dollars (NZD), and Australian Dollars (AUD). All debt investments are income producing unless otherwise indicated. All equity investments are non-income producing unless otherwise noted. Certain portfolio company investments are subject to contractual restrictions on sales. The total par amount (in thousands) is presented for debt investments and structured finance obligations, while the number of shares or units (in whole amounts) owned is presented for equity investments. Each of the Company’s investments is pledged as collateral, under one or more of its credit facilities unless otherwise indicated.