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
Download as csvQuarterly 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 |