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Schedules of Investments $ in Thousands	Mar. 31, 2026 USD ($) oz	Jun. 30, 2025 USD ($) oz
Investment in platinum bullion | oz	115,751.508	63,137.357
Cost	$ 182,134	$ 65,762
Fair value	$ 220,854	$ 85,235
Percentage of net assets	100.05%	100.03%
Liabilities in excess of other assets, value	$ (116)	$ (29)
Liabilities in excess of other assets, percentage of net assets	(0.05%)	(0.03%)
Net assets	$ 220,738	$ 85,206
Net assets, percentage of net assets	100.00%	100.00%
Platinum [Member]
Investment in platinum bullion | oz	115,751.508	63,137.357
Cost	$ 182,134	$ 65,762
Fair value	$ 220,854	$ 85,235
Percentage of net assets	100.05%	100.03%

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