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v3.26.1

Fair value measurements - Narrative (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Securities owned, at fair value | $ 1,265,918 | $ 1,250,802
Loans | 296 | 653
Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Securities owned, at fair value | 3,451 | 3,362
Convertibles note, fair value | 2,200 |
Warrants at fair value | 1,200 |
Loans | 0 | 0
Level 3 | Trade claims |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Securities owned, at fair value | 0 | 0
Level 3 | Private equity funds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Equity securities | 17,000 |
Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Securities owned, at fair value | 67,730 | 62,676
Loans | 296 | 653
Equity method investments | $ 6,100 | $ 6,300

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