v3.26.3
Variable Interest Entities - Schedule of Total Assets and Total Liabilities of TS Hamilton Fund (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Assets    
Cash and cash equivalents $ 1,184,318 $ 1,062,359
Short-term investments 3,581,971 3,439,002
Investments in Two Sigma Funds, at fair value 1,873,879 1,587,658
Receivables for investments sold 45,425 58,029
Total assets 10,827,021 9,571,613
Liabilities    
Payables for investments purchased 162,951 209,853
Accounts payable and accrued expenses 173,565 177,320
Total liabilities 7,758,226 6,749,342
Short-term investments    
Assets    
Short-term investments 424,046 200,459
TS Hamilton Fund    
Assets    
Cash and cash equivalents 528,992 648,726
Investments in Two Sigma Funds, at fair value 1,873,879 1,587,658
Receivables for investments sold 45,303 57,938
Interest and dividends receivable 534 1,110
Total assets 2,872,200 2,494,418
Liabilities    
Payables for investments purchased 129,225 192,467
Withdrawal payable 87,419 123,376
Accounts payable and accrued expenses 200 214
Total liabilities 216,844 316,057
Total net assets managed by TS Hamilton Fund 2,655,356 2,178,361
TS Hamilton Fund | Short-term investments    
Assets    
Short-term investments $ 423,492 $ 198,986