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Statements of Changes in Net Assets - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Net Assets – beginning of year | $ 43,119 | $ 34,919 | $ 44,801
Creation of 3,150,000, 850,000 and 350,000 shares respectively | 32,318 | 7,695 | 3,392
Redemption of (1,000,000), (450,000), and (1,400,000) shares respectively | (10,316) | (4,263) | (13,943)
Net investment income (loss) | (243) | (188) | (217)
Net realized gain (loss) from platinum bullion sold to pay expenses | (6) | (20) | (17)
Net realized gain (loss) from platinum bullion distributed for redemptions | 628 | (211) | (236)
Net change in unrealized gain (loss) on investment in platinum bullion | 19,706 | 5,187 | 1,139
Net Assets – end of year | $ 85,206 | $ 43,119 | $ 34,919

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