v3.26.1
STATEMENTS OF CHANGES IN NET ASSETS (UNAUDITED) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Decrease in net assets from operations:    
Net investment loss $ (720) $ (96)
Net realized gain (loss) on investment in ZEC 425 (202)
Net change in unrealized appreciation/depreciation on investment in ZEC (100,700) (6,884)
Net decrease in net assets resulting from operations (100,995) (7,182)
Decrease in net assets from capital share transactions:    
Shares issued 0 191
Net increase in net assets resulting from capital share transactions 0 191
Total decrease in net assets from operations and capital share transactions (100,995) (6,991)
Net assets:    
Beginning of period 200,441 22,040
End of period $ 99,446 $ 15,049
Change in Shares outstanding:    
Shares outstanding at beginning of period 4,829,300 4,700,500
Shares issued 0 58,700
Net increase in Shares 0 58,700
Shares outstanding at end of period 4,829,300 4,759,200