Sirius XM Holdings Inc.
SIRI- Exchange
- Nasdaq
- Industry
- Radio Broadcasting Stations
- SEC CIK
- 0000908937
In the last 90 days, Sirius XM Holdings Inc. insiders filed 0 open-market purchases and 1 sale; 602 institutions reported holding it in 13F filings for Q2 2026, worth $8.33B in total; 3 superinvestors hold it, including Berkshire Hathaway and Weitz Investment Management.
Superinvestors holding SIRI, Q2 2026
3 superinvestors report holding Sirius XM Holdings Inc. on Form 13F, worth $3.73B in total. Weight is Sirius XM Holdings Inc.'s share of each 13F portfolio; actions compare shares with Q1 2026.
| Superinvestor | % of portfolio | Shares | Value | vs. previous quarter |
|---|---|---|---|---|
| Berkshire HathawayWarren Buffett | 1.2% | 124,807,117 | $3.69B | Unchanged |
| Weitz Investment ManagementWally Weitz | 2.4% | 1,188,000 | $35.1M | Reduced−8.1% |
| Chou AssociatesFrancis Chou | 5.6% | 409,589 | $12.1M | Unchanged |
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of SIRI each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
3 superinvestors holding at quarter end
- Reduced
- Weitz Investment Management (−8.1%)
- Sold out
- Maverick Capital
Q1 2026
4 superinvestors holding at quarter end
- Reduced
- Weitz Investment Management (−6.6%), Maverick Capital (−87.3%)
Q4 2025
4 superinvestors holding at quarter end
- Added
- Maverick Capital (+65.4%)
- Reduced
- Chou Associates (−41.7%)
Q3 2025
4 superinvestors holding at quarter end
- New
- Maverick Capital
- Added
- Berkshire Hathaway (+4.2%)
Q2 2025
3 superinvestors holding at quarter end
- Reduced
- Weitz Investment Management (−5.6%)
Q1 2025
3 superinvestors holding at quarter end
- Added
- Berkshire Hathaway (+2.0%), Chou Associates (+5,479.5%)
Q4 2024
3 superinvestors holding at quarter end
- Added
- Berkshire Hathaway (+11.7%), Weitz Investment Management (+16.1%)
- Reduced
- Chou Associates (−46.8%)
- Sold out
- Maverick Capital
Q3 2024
4 superinvestors holding at quarter end
- New
- Weitz Investment Management, Maverick Capital, Chou Associates
- Reduced
- Berkshire Hathaway (−20.9%)
Q2 2024
1 superinvestor holding at quarter end
- Added
- Berkshire Hathaway (+262.2%)
Q1 2024
1 superinvestor holding at quarter end
- Reduced
- Berkshire Hathaway (−8.8%)
- Sold out
- Maverick Capital
Q4 2023
2 superinvestors holding at quarter end
- Added
- Berkshire Hathaway (+315.6%), Maverick Capital (+124.3%)
Q3 2023
2 superinvestors holding at quarter end
Q4 2021
0 superinvestors holding at quarter end
- Sold out
- Berkshire Hathaway, Maverick Capital
Q3 2021
2 superinvestors holding at quarter end
Q2 2021
1 superinvestor holding at quarter end
- Sold out
- Maverick Capital