Quarterly Statements of Operations (Tables)

12 Months Ended

Sep. 30, 2025

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Statements of Operations

Fiscal Year Ended September 30, 2025

	Three Months Ended (unaudited)
(Amounts in thousands)	Dec-31, 2024			Mar-31, 2025			Jun-30, 2025			Sept-30, 2025			Year Ended September 30, 2025
Expenses
Sponsor’s Fee, related party	$	56		$	90		$	52		$	48		$	246
Net investment loss	$	(56	)	$	(90	)	$	(52	)	$	(48	)	$	(246	)
Net realized and unrealized gain (loss) from:
Net realized loss on investment in ZEN		(24	)		(21	)		(61	)		(67	)		(173	)
Net change in unrealized appreciation (depreciation) on investment in ZEN		15,457			(18,118	)		(1,305	)		500			(3,466	)
Net realized and unrealized gain (loss) on investment		15,433			(18,139	)		(1,366	)		433			(3,639	)
Net increase (decrease) in net assets resulting from operations	$	15,377		$	(18,229	)	$	(1,418	)	$	385		$	(3,885	)

Fiscal Year Ended September 30, 2024

	Three Months Ended (unaudited)
(Amounts in thousands)	Dec-31, 2023			Mar-31, 2024			Jun-30, 2024			Sept-30, 2024			Year Ended September 30, 2024
Expenses
Sponsor’s Fee, related party	$	37		$	38		$	33		$	32		$	140
Net investment loss	$	(37	)	$	(38	)	$	(33	)	$	(32	)	$	(140	)
Net realized and unrealized gain (loss) from:
Net realized loss on investment in ZEN		(41	)		(37	)		(43	)		(43	)		(164	)
Net change in unrealized depreciation on investment in ZEN		867			3,419			(4,805	)		919			400
Net realized and unrealized gain (loss) on investment		826			3,382			(4,848	)		876			236
Net increase (decrease) in net assets resulting from operations	$	789		$	3,344		$	(4,881	)	$	844		$	96