v3.26.1
FAIR VALUE MEASUREMENTS (Tables)
6 Months Ended
Jun. 30, 2026
Fair Value Disclosures [Abstract]  
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis
Below is a summary of the assets and liabilities that are measured at fair value on a recurring basis and also represents the carrying amount on the Company’s consolidated balance sheets:
At June 30, 2026Total
Quoted Prices in Active
Markets for
Identical 
Assets
(Level 1)
Significant
Other
Observable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Fixed maturity investments trading
Corporate$9,916,723 $— $9,697,026 $219,697 
U.S. treasuries9,308,212 9,308,212 — — 
Residential mortgage-backed2,690,648 — 2,690,648 — 
Asset-backed1,688,500 — 1,596,733 91,767 
Non-U.S. government683,983 — 683,983 — 
Agencies560,030 — 560,030 — 
Commercial mortgage-backed337,334 — 337,334 — 
Total fixed maturity investments trading25,185,430 9,308,212 15,565,754 311,464 
Short term investments3,949,012 8,815 3,940,197 — 
Equity investments
Fixed income exchange traded funds1,603,299 1,603,299 — — 
Equity exchange traded funds102,273 102,273 — — 
Common stock140,580 140,580 — — 
Total equity investments1,846,152 1,846,152 — — 
Other investments
Catastrophe bonds1,772,044 — 1,772,044 — 
Direct private equity investments154,876 — 131,251 23,625 
1,926,920 — 1,903,295 23,625 
Fund investments (1)
3,156,249 — — — 
Total other investments5,083,169 — 1,903,295 23,625 
Other assets and (liabilities)
Derivative assets (2)
31,284 19,808 11,476 — 
Derivative liabilities (2)
(34,267)(9,281)(24,986)— 
Total other assets and (liabilities)(2,983)10,527 (13,510)— 
 
$36,060,780 $11,173,706 $21,395,736 $335,089 
(1)Fund investments are measured at fair value using the NAV per share (or its equivalent) as a practical expedient and have not been classified in the fair value hierarchy. The fair value presented in this table is provided to permit reconciliation of the fair value hierarchy to the amounts presented in the consolidated balance sheet.
(2)Refer to “Note 13. Derivative Instruments” for additional information related to the fair value, by type of contract, of derivatives entered into by the Company.
At December 31, 2025Total
Quoted Prices in Active
Markets for
Identical
 Assets
(Level 1)
Significant
Other
Observable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Fixed maturity investments trading
U.S. treasuries$10,641,503 $10,641,503 $— $— 
Corporate8,528,828 — 8,414,572 114,256 
Residential mortgage-backed2,606,882 — 2,606,882 — 
Asset-backed1,606,790 — 1,566,931 39,859 
Non-U.S. government691,912 — 691,912 — 
Agencies486,817 — 486,817 — 
Commercial mortgage-backed321,591 — 321,591 — 
Total fixed maturity investments trading24,884,323 10,641,503 14,088,705 154,115 
Short term investments4,759,811 959 4,758,852 — 
Equity investments
Fixed income exchange traded funds1,582,811 1,582,811 — — 
Common stock150,179 150,179 — — 
Total equity investments1,732,990 1,732,990 — — 
Other investments
Catastrophe bonds1,613,710 — 1,613,710 — 
Direct private equity investments185,005 — 157,010 27,995 
1,798,715 — 1,770,720 27,995 
Fund investments (1)
2,775,499 — — — 
Total other investments4,574,214 — 1,770,720 27,995 
Other assets and (liabilities)
Assumed and ceded (re)insurance contracts(34)— — (34)
Derivative assets (2)
18,347 7,400 10,947 — 
Derivative liabilities (2)
(41,200)(30,477)(10,723)— 
Total other assets and (liabilities)(22,887)(23,077)224 (34)
 $35,928,451 $12,352,375 $20,618,501 $182,076 
(1)Fund investments are measured at fair value using the NAV per share (or its equivalent) as a practical expedient and have not been classified in the fair value hierarchy. The fair value presented in this table is provided to permit reconciliation of the fair value hierarchy to the amounts presented in the consolidated balance sheet.
(2)Refer to “Note 13. Derivative Instruments” for additional information related to the fair value, by type of contract, of derivatives entered into by the Company.
Schedule of Quantitative Information Used as Level 3 Inputs
Below is a summary of quantitative information regarding the significant unobservable inputs (Level 3) developed by the Company in determining the fair value of assets and liabilities measured at fair value on a recurring basis:
At June 30, 2026Fair Value
(Level 3)
Valuation Technique
Unobservable Inputs
Weighted Average or Actual
Fixed maturity investments trading
Asset-backed$41,609 Discounted cash flowDiscount rate11.3%
Other investments
Direct private equity investments23,625 Internal valuation modelDiscount rate12.0%
Liquidity discount10.0%
Total assets and (liabilities) measured at fair value on a recurring basis using Level 3 inputs$65,234 
At December 31, 2025Fair Value
(Level 3)
Valuation TechniqueUnobservable InputsWeighted Average or Actual
Fixed maturity investments trading
Corporate$114,256 Recent transaction priceN/AN/A
Asset-backed39,859 Discounted cash flow
Discount rate
11.3%
Total fixed maturity investments trading154,115 
Other investments
Direct private equity investments27,995 Internal valuation modelDiscount rate13.0%
Liquidity discount10.0%
Other assets and (liabilities)
Assumed and ceded (re)insurance contracts(34)Internal valuation modelNet undiscounted cash flows$12,836
Expected loss ratio—%
Discount rate3.7%
Total assets and (liabilities) measured at fair value on a recurring basis using Level 3 inputs$182,076 
Schedule of Assets Measured at Fair Value on a Recurring Basis Using Level 3 Inputs
Below is a reconciliation of the beginning and ending balances, for the periods shown, of assets and liabilities measured at fair value on a recurring basis using Level 3 inputs.
Fixed Maturity Investments Trading
Other
Investments
Corporate
Asset-backed
Direct Private Equity Investments
Other Assets
and
(Liabilities)
Total
Balance - April 1, 2026$144,696 $83,652 $24,296 $— $252,644 
Net investment income
— 1,166 82 — 1,248 
Net realized and unrealized gains (losses) on investments
— (366)(755)— (1,121)
Net foreign exchange gains (losses)
— — — 
Purchases75,001 8,245 — — 83,246 
Sales— (25)— — (25)
Settlements— (905)— — (905)
Balance - June 30, 2026$219,697 $91,767 $23,625 $— $335,089 
Fixed Maturity Investments Trading
Other
Investments
  
Corporate
Asset-backed
Direct Private Equity Investments
Other Assets
and
(Liabilities)
Total
Balance - January 1, 2026$114,256 $39,859 $27,995 $(34)$182,076 
Net investment income
— 2,318 163 — 2,481 
Net realized and unrealized gains (losses) on investments
— (292)(4,526)— (4,818)
Other income (loss)
— — — 17 17 
Net foreign exchange gains (losses)
— — (7)— (7)
Purchases105,441 50,888 — — 156,329 
Sales
— (25)— — (25)
Settlements— (981)— 17 (964)
Balance - June 30, 2026$219,697 $91,767 $23,625 $— $335,089 
Fixed Maturity Investments TradingOther
Investments
Asset-backed
Direct Private Equity Investments
Other Assets
and
(Liabilities)
Total
Balance - April 1, 2025$— $38,987 $(234)$38,753 
Net investment income
— 70 — 70 
Net realized and unrealized gains (losses) on investments
— (3,778)— (3,778)
Other income (loss)
— — 126 126 
Net foreign exchange gains (losses)
— 29 — 29 
Purchases41,459 — — 41,459 
Settlements(523)— (42)(565)
Balance - June 30, 2025$40,936 $35,308 $(150)$76,094 
Fixed Maturity Investments Trading
Other Investments
  
Asset-backedDirect Private Equity InvestmentsOther Assets
and
(Liabilities)
Total
Balance - January 1, 2025$— $43,777 $(405)$43,372 
Net investment income
— 139 — 139 
Net realized and unrealized gains (losses) on investments
— (8,651)— (8,651)
Other income (loss)
— — 493 493 
Net foreign exchange gains (losses)
— 43 — 43 
Purchases41,459 — — 41,459 
Settlements(523)— (238)(761)
Balance - June 30, 2025$40,936 $35,308 $(150)$76,094 
Schedule of Liabilities Measured at Fair Value on a Recurring Basis Using Level 3 Inputs
Below is a reconciliation of the beginning and ending balances, for the periods shown, of assets and liabilities measured at fair value on a recurring basis using Level 3 inputs.
Fixed Maturity Investments Trading
Other
Investments
Corporate
Asset-backed
Direct Private Equity Investments
Other Assets
and
(Liabilities)
Total
Balance - April 1, 2026$144,696 $83,652 $24,296 $— $252,644 
Net investment income
— 1,166 82 — 1,248 
Net realized and unrealized gains (losses) on investments
— (366)(755)— (1,121)
Net foreign exchange gains (losses)
— — — 
Purchases75,001 8,245 — — 83,246 
Sales— (25)— — (25)
Settlements— (905)— — (905)
Balance - June 30, 2026$219,697 $91,767 $23,625 $— $335,089 
Fixed Maturity Investments Trading
Other
Investments
  
Corporate
Asset-backed
Direct Private Equity Investments
Other Assets
and
(Liabilities)
Total
Balance - January 1, 2026$114,256 $39,859 $27,995 $(34)$182,076 
Net investment income
— 2,318 163 — 2,481 
Net realized and unrealized gains (losses) on investments
— (292)(4,526)— (4,818)
Other income (loss)
— — — 17 17 
Net foreign exchange gains (losses)
— — (7)— (7)
Purchases105,441 50,888 — — 156,329 
Sales
— (25)— — (25)
Settlements— (981)— 17 (964)
Balance - June 30, 2026$219,697 $91,767 $23,625 $— $335,089 
Fixed Maturity Investments TradingOther
Investments
Asset-backed
Direct Private Equity Investments
Other Assets
and
(Liabilities)
Total
Balance - April 1, 2025$— $38,987 $(234)$38,753 
Net investment income
— 70 — 70 
Net realized and unrealized gains (losses) on investments
— (3,778)— (3,778)
Other income (loss)
— — 126 126 
Net foreign exchange gains (losses)
— 29 — 29 
Purchases41,459 — — 41,459 
Settlements(523)— (42)(565)
Balance - June 30, 2025$40,936 $35,308 $(150)$76,094 
Fixed Maturity Investments Trading
Other Investments
  
Asset-backedDirect Private Equity InvestmentsOther Assets
and
(Liabilities)
Total
Balance - January 1, 2025$— $43,777 $(405)$43,372 
Net investment income
— 139 — 139 
Net realized and unrealized gains (losses) on investments
— (8,651)— (8,651)
Other income (loss)
— — 493 493 
Net foreign exchange gains (losses)
— 43 — 43 
Purchases41,459 — — 41,459 
Settlements(523)— (238)(761)
Balance - June 30, 2025$40,936 $35,308 $(150)$76,094 
Schedule of Other Investments Measured Using Net Asset Valuations
The table below shows the Company’s portfolio of other investments measured using net asset valuations as a practical expedient:
At June 30, 2026At December 31, 2025
Fair ValueUnfunded
Commitments
Fair ValueUnfunded
Commitments
Private credit funds$1,531,757 $2,021,558 $1,445,158 $1,605,126 
Private equity funds793,136 634,527 701,837 661,159 
Multi-strategy funds (1)
593,071 — 473,990 — 
Insurance-linked securities funds
162,192 — 154,514 — 
Equity funds76,093 — — — 
Total other investments measured using net asset valuations
$3,156,249 $2,656,085 $2,775,499 $2,266,285 
(1)In the first quarter of 2026, the Company revised the classification of its “fund investments - hedge funds” to be included within “fund investments - multi-strategy funds.”