v3.26.1
STATEMENTS OF CHANGES IN NET ASSETS (UNAUDITED) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Increase (decrease) in net assets from operations:        
Net investment loss $ (1,063) $ (101) $ (1,783) $ (197)
Net realized gain (loss) on investment in ZEC 767 (200) 1,192 (402)
Net change in unrealized appreciation/depreciation on investment in ZEC 56,102 576 (44,598) (6,308)
Net increase (decrease) in net assets resulting from operations 55,806 275 (45,189) (6,907)
Increase (decrease) in net assets from capital share transactions:        
Shares issued 0 0 0 191
Net increase in net assets resulting from capital share transactions 0 0 0 191
Total increase (decrease) in net assets from operations and capital share transactions 55,806 275 (45,189) (6,716)
Net assets:        
Beginning of period 99,446 15,049 200,441 22,040
End of period $ 155,252 $ 15,324 $ 155,252 $ 15,324
Change in Shares outstanding:        
Shares outstanding at beginning of period 4,829,300 4,759,200 4,829,300 4,700,500
Shares issued 0 0 0 58,700
Net increase in Shares 0 0 0 58,700
Shares outstanding at end of period 4,829,300 4,759,200 4,829,300 4,759,200