v3.26.3
Summary of Significant Accounting Policies - Summary of Valuation Techniques and Observable Inputs Can Vary by Investment (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Dec. 31, 2024
Assets        
Investment in ZEC $ 875,620 $ 200,441 [1] $ 29,757 $ 22,040
Level 1        
Assets        
Investment in ZEC 875,620 200,441    
Level 2        
Assets        
Investment in ZEC 0 0    
Level 3        
Assets        
Investment in ZEC $ 0 $ 0    
[1] Share amounts have been retroactively adjusted to reflect the 3-for-1 share split (the “Share Split”) of the Trust’s issued and outstanding Shares completed on September 30, 2026.