v3.26.1
STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Investment income:        
Investment income $ 0 $ 0 $ 0 $ 0
Expenses:        
Sponsor's Fee, related party 32 52 74 142
Net investment loss (32) (52) (74) (142)
Net realized and unrealized loss from:        
Net realized loss on investment in ZEN (79) (61) (148) (82)
Net change in unrealized appreciation/depreciation on investment in ZEN (1,421) (1,305) (4,673) (19,423)
Net realized and unrealized loss on investment (1,500) (1,366) (4,821) (19,505)
Net decrease in net assets resulting from operations $ (1,532) $ (1,418) $ (4,895) $ (19,647)