Siriusxm Holdings Inc. · NASDAQ:SIRI
Siriusxm Holdings Inc. shareholders
As of Jun 30, 2026, 583 institutions reported holding Siriusxm Holdings Inc., 85.5% of its shares. Largest: Berkshire Hathaway Inc, Vanguard and BlackRock. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Siriusxm Holdings Inc. | Change | Filed |
|---|---|---|---|---|
| Berkshire Hathaway Inc | 125M | 37.0% | no change | Aug 14, 2026 |
| Vanguard | 19M | 5.6% | +489K | Aug 13, 2026 |
| BlackRock | 17.6M | 5.2% | +7.98M | Aug 7, 2026 |
| Dimensional | 10.5M | 3.1% | +4.21M | Aug 11, 2026 |
| Check Capital Management Inc | 8.78M | 2.6% | +5.84M | Aug 5, 2026 |
| Kontiki Capital Management (HK) Ltd. | 6.08M | 1.8% | +386K | Aug 12, 2026 |
| State Street | 5.99M | 1.8% | +2.44M | Aug 7, 2026 |
| Boston Partners | 5.08M | 1.5% | new | Aug 4, 2026 |
| Gates Capital Management, Inc. | 4.54M | 1.3% | +1.8M | Aug 14, 2026 |
| Geode Capital | 3.9M | 1.2% | +195K | Aug 12, 2026 |