v3.25.2
Statements of Assets and Liabilities (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Schedule of Investments [Abstract]    
Cost of investment in platinum bullion $ 65,762 $ 43,369
Common stock, par value $ 0 $ 0
Common stock, shares authorized Unlimited Unlimited