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FAIR VALUE MEASUREMENTS - Changes in Assets and Liabilities Measured and Reported at Fair Value Using Level 3 Inputs (Details) - Galaxy Digital Holdings, LP - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Transfers out of Level 3 | $ (48,700) | $ (31,600)
Transfers in of Level 3 | 21,200 | 67,300
Level 3 | Embedded derivative – Notes payable |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Fair value, Beginning Balance | 10,472 | 0
Purchases | 93,993 | 0
Sales/ Distributions | 0 | 0
Net Realized Gain / (Loss) | 0 | 0
Net Unrealized Gain / (Loss) | 31,727 | 9,604
Transfers in /(out) of Level 3 | 0 | 868
Fair value, Ending Balance | 136,192 | 10,472
Digital intangible assets | Level 3 |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Fair value, Beginning Balance | 68,004 | 0
Purchases | 0 | 0
Sales/ Distributions | 0 | 0
Net Realized Gain / (Loss) | 0 | 0
Net Unrealized Gain / (Loss) | (17,043) | 65,073
Transfers out of Level 3 | (30,504) | 2,931
Fair value, Ending Balance | 20,457 | 68,004
Digital assets receivable | Level 3 |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Fair value, Beginning Balance | 20,569 | 16,054
Purchases | 0 | 200
Sales/ Distributions | (4,727) | 0
Net Realized Gain / (Loss) | 4,724 | 0
Net Unrealized Gain / (Loss) | 52,477 | 17,101
Transfers out of Level 3 | (12,551) | (12,786)
Fair value, Ending Balance | 60,492 | 20,569
Investments | Level 3 |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Fair value, Beginning Balance | 364,576 | 170,526
Purchases | 129,188 | 30,077
Sales/ Distributions | (221,564) | (2,890)
Net Realized Gain / (Loss) | 117,036 | 949
Net Unrealized Gain / (Loss) | 119,803 | 121,242
Transfers in of Level 3 | 15,534 | 44,672
Fair value, Ending Balance | $ 524,573 | $ 364,576

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