v3.26.1
Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2026
Fair Value Disclosures [Abstract]  
Schedule of Financial Instruments Measured at Fair Value on a Recurring Basis At June 30, 2026 and December 31, 2025, the Company classified its financial instruments measured at fair value on a recurring basis in the following valuation hierarchy:
June 30, 2026Quoted Prices in Active Markets for Identical Assets (Level 1)Significant Other Observable Inputs (Level 2)Significant Unobservable Inputs (Level 3)Fair Value Based on NAV Practical ExpedientTotal Fair Value
Fixed maturities
U.S. treasury bills$35,026 $— $— $— $35,026 
U.S. agency bonds – mortgage-backed— 20,346 — — 20,346 
Non-U.S. government bonds— 52,827 — — 52,827 
Collateralized loan obligations— 27,518 — — 27,518 
Corporate bonds— 8,907 — — 8,907 
Equity securities— 4,838 6,910 — 11,748 
Contingent Receivable— — 11,923 — 11,923 
Other investments
— — 132,829 40,451 173,280 
Total investments$35,026 $114,436 $151,662 $40,451 $341,575 
As a percentage of total assets3.8%12.4%16.5%4.4%37.1%
Underwriting-related derivative liability$— $— $9,236 $— $9,236 
December 31, 2025Quoted Prices in Active Markets for Identical Assets (Level 1)Significant Other Observable Inputs (Level 2)Significant Unobservable Inputs (Level 3)Fair Value Based on NAV Practical ExpedientTotal Fair Value
Fixed maturities
U.S. treasury bills$43,673 $— $— $— $43,673 
U.S. agency bonds – mortgage-backed— 21,618 — — 21,618 
Non-U.S. government bonds— 30,295 — — 30,295 
Collateralized loan obligations— 62,624 — — 62,624 
Corporate bonds— 11,455 — — 11,455 
Equity securities— 4,838 6,910 — 11,748 
Contingent Receivable— — 9,955 — 9,955 
Other investments
— — 135,018 38,340 173,358 
Total investments$43,673 $130,830 $151,883 $38,340 $364,726 
As a percentage of total assets
4.3%13.0%15.0%3.8%36.1%
Underwriting-related derivative liability$— $— $3,984 $— $3,984 
Schedule of Reconciliation of Other Investments Measured at Fair value on a Recurring Basis Using Level 3 Inputs
The following table shows the reconciliation of beginning and ending balances for investments measured at fair value on a recurring basis using Level 3 inputs for the three and six months ended June 30, 2026 and 2025. The Company includes any related interest and dividend income in net investment income and thus are excluded from the reconciliation in the table below:

For the Three Months Ended June 30,For the Six Months Ended June 30,
2026202520262025
Balance - beginning of period$152,840 $— $151,883 $— 
Acquired Level 3 investments— 137,188 — 137,188 
Purchases860 1,723 1,886 1,723 
Sales(505)(163)(1,723)(163)
Net realized and unrealized losses during the period
(1,533)171 (384)171 
Total Level 3 investments - end of period$151,662 $138,919 $151,662 $138,919 
Schedule of Significant Unobservable Inputs for Determining Fair Value of Other Investments
The following table provides a summary of quantitative information regarding the significant unobservable inputs used in determining the fair value of other investments measured at fair value on a recurring basis under the Level 3 classification at June 30, 2026:
Financial InstrumentFair ValueValuation TechniqueSignificant Unobservable Valuation InputsRange of Unobservable Inputs (Low/High/Weighted Average)Impact of Increases in Inputs
Private equity investments - preferred shares$4,578 Market comparable companies & Option Pricing ModelsValue Change - Market/Industry Factors(3.0)%5.0%(0.3)%Higher fair value
Private equity investments - preferred shares2,332 Value Change - Company Performance10.0%10.0%10.0%Higher fair value
Term to Exit3.0 years3.0 years3.0 yearsLower fair value
Equity Volatility40.0%65.0%56.6%Lower fair value
Private equity investments - preferred shares1,559 Market comparable companies & Option Pricing ModelsValue Change - Market/Industry Factors(3.0)%7.5%1.7%Higher fair value
Private equity investments - preferred shares1,273 Value Change - Company Performance10.0%10.0%10.0%Higher fair value
Term to Exit2.5 years3.0 years2.7 yearsLower fair value
Equity Volatility65.0%92.5%80.1%Lower fair value
Investment in direct lending entities53,127 Discounted cash flowsDiscount rate22.0%22.0%22.0%Lower fair value
— Discounted cash flowsDiscount Rate10.0%25.0%18.0%Lower fair value
Silverstone Ventures25,870 Term to Exit3.0 years9.0 years3.6 yearsLower fair value
Extell Hudson Waterfront HoldingsDiscounted cash flows & option pricing modelsDiscount Rate6.8%6.8%6.8%Lower fair value
Exit Cap Rate5.5%5.5%5.5%Lower fair value
51,000 Equity Volatility37.4%37.4%37.4%Lower fair value
Term to Exit5.7 years5.7 years5.7 yearsLower fair value
Discount for Lack of Marketability - OPM15.0%18.0%16.5%Lower fair value
Discount for Lack of Marketability10.0%10.0%10.0%Lower fair value
Total Level 3 Investments$139,739 
Contingent Receivable$11,923 Discounted cash flows & Option pricing modelsEBITDA & Commission Discount Rate9.2 %9.2 %9.2 %Lower fair value
EBITDA & Commission Equity Volatility Rate25.0 %25.0 %25.0 %Lower fair value
Underwriting-related derivative liability$9,236 Discounted cash flowsDuration matched discount rates & arbitration decision5.5%5.5%5.5%Lower fair value
Schedule of Carrying Value and Fair Value of Senior Notes The following table presents the respective principal amount and fair values for the Senior Notes as at June 30, 2026 and December 31, 2025:
June 30, 2026December 31, 2025
 
Principal AmountFair ValuePrincipal AmountFair Value
Senior Notes - MHLA – 6.625%
$110,000 $49,148 $110,000 $57,200 
Senior Notes - MHNC – 7.75%
152,361 71,610 152,361 96,292 
Total Senior Notes$262,361 $120,758 $262,361 $153,492