v3.26.1
Schedule of Investment in Platinum (Details)
$ in Thousands
12 Months Ended
Jun. 30, 2026
USD ($)
oz
Jun. 30, 2025
USD ($)
oz
Schedule of Investments [Abstract]    
Platinum opening balance (in Ounces) | oz 63,137.357 42,625.054
Platinum opening balance | $ $ 85,235 [1] $ 43,136
Platinum contributed (in Ounces) | oz 78,379.027 30,391.246
Platinum contributed | $ $ 156,215 $ 32,318
Platinum distributed (in Ounces) | oz (36,959.582) (9,878.943)
Platinum distributed | $ $ (57,458) $ (9,925)
Change in unrealized appreciation (depreciation) (in Ounces) | oz
Change in unrealized appreciation (depreciation) | $ $ (20,152) $ 19,706
Platinum ending balance (in Ounces) | oz 104,556.802 63,137.357
Platinum ending balance | $ [1] $ 163,840 $ 85,235
[1] Cost of investment in platinum: $164,519 and $65,762, respectively.