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Sirius XM Holdings shares owned by Mason Capital Partners

Quarter-by-quarter ownership of Sirius XM Holdings (SIRI) shares owned by Mason Capital Partners from 13F filings

Historical chart of Mason Capital Partners investment in Sirius XM Holdings

Tip: Access up to 7 years of quarterly data

All positions including Sirius XM Holdings held by Mason Capital Partners consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Sirius XM Holdings by Mason Capital Partners

Quarter filed Position value Share count Share price at filing
2026-06-30 $339k 12k 29.54