v3.26.1
Statement of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Cash flows from operating activities          
Net increase (decrease) in net assets resulting from operations     $ (165,364) $ (88,052)  
Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities:          
Purchases of ether     (119,880) (70,334)  
Proceeds from ether sold     124,611 117,897  
Transfer of ether to pay Sponsor Fee     279 155  
Net realized (gain) loss from investment in ether transferred to pay Sponsor Fee $ (24) $ (9) (78) (11)  
Net realized (gain) loss from In-Kind Redemptions of ether 0 0 (868) 0  
Net realized (gain) loss from investment in ether sold for redemptions     45,336 30,348  
Net change in unrealized (appreciation) depreciation from investment in ether 47,883 (78,679) 120,727 57,517 $ (307)
Changes in operating assets and liabilities:          
Increase (Decrease) in Sponsor Fee payable     (31) 42  
Net cash provided by (used in) operating activities     4,732 47,562  
Cash flows from financing activities          
Creations for Shares issued     121,219 72,662  
Redemptions for Shares redeemed     (125,951) (120,224)  
Net cash provided by (used in) financing activities     (4,732) (47,562)  
Net increase (decrease) in cash     0 0  
Cash, beginning of period     0 0 0
Cash, end of period $ 0 $ 0 0 0 $ 0
Supplemental disclosure of noncash operating activities          
In-Kind Redemptions of ether     $ 5,123 $ 0