Fair value of investment in security owned.

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+ Details

The following table summarizes the Trust’s investments at fair value: (Details) - USD ($)	Sep. 30, 2026	Jun. 30, 2026	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Investments	$ 477,581,191		$ 505,489,906
Bitcoin [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Bitcoin	477,581,191	$ 342,431,656	505,489,906	$ 682,589,262	$ 625,905,470	$ 826,306,338
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Investments	477,581,191		505,489,906
Fair Value, Inputs, Level 1 [Member] \| Bitcoin [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Bitcoin	477,581,191		505,489,906
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Investments
Fair Value, Inputs, Level 2 [Member] \| Bitcoin [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Bitcoin
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Investments
Fair Value, Inputs, Level 3 [Member] \| Bitcoin [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Bitcoin