Sirius XM Ownership | Who Owns Sirius XM?
Sirius XM Ownership Summary
Sirius XM is owned by 12.01% institutional investors, 45.81% insiders, and 42.18% retail investors. Berkshire hathaway is the largest institutional shareholder, holding 36.93% of SIRI shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.06% of its assets in Sirius XM shares.
SIRI Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Sirius XM | 12.01% | 45.81% | 42.18% |
| Sector | Communication Services Stocks | 31.39% | 16.65% | 51.96% |
| Industry | Entertainment Stocks | 35.12% | 18.56% | 46.32% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Berkshire hathaway | 124.81M | 36.93% | $2.90B |
| Vanguard group | 18.68M | 5.53% | $434.70M |
| Blackrock funding, inc. /de | 8.66M | 2.56% | $201.59M |
| Kontiki capital management (hk) | 6.65M | 1.97% | $154.88M |
| Geode capital management | 3.86M | 1.14% | $89.81M |
| State street | 3.46M | 1.02% | $80.57M |
| Lsv asset management | 3.14M | 0.93% | $73.15M |
| Ameriprise financial | 2.64M | 0.78% | $61.34B |
| Blackrock | 28.07M | 0.73% | $79.45M |
| Thompson siegel & walmsley | 2.44M | 0.72% | $56.87M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Bardin hill management partners lp | 1.25M | 14.40% | $35.46M |
| Bislett management | 743.31K | 12.53% | $17.30M |
| Wittenberg investment management | 1.11M | 10.29% | $25.95M |
| Doma perpetual capital management | 1.16M | 9.05% | $26.96M |
| Kontiki capital management (hk) | 6.65M | 8.24% | $154.88M |
| Chou associates management | 702.46K | 7.87% | $16.35M |
| Swisspartners advisors | 366.84K | 7.03% | $8.56M |
| Towerview | 335.30K | 5.68% | $7.80M |
| Hi-line capital management | 535.84K | 3.94% | $12.47M |
| Hall kathryn a. | 262.03K | 3.29% | $6.10M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Berkshire hathaway | 124.81M | 1.09% | 5.03M |
| Susquehanna group, llp | 5.92M | 0.00% | 4.91M |
| Canada pension plan investment board | 1.63M | 0.03% | 1.51M |
| Two sigma investments, lp | 1.93M | 0.07% | 1.41M |
| Bardin hill management partners lp | 1.25M | 14.40% | 1.24M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | 28.07M | 0.00% | -15.71M |
| Proshare advisors | - | - | -3.75M |
| Impactive capital lp | - | - | -3.49M |
| Senvest management | - | - | -3.14M |
| Greenland capital management lp | - | - | -3.08M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 1.01M | 0.00% | 1.01M | $2.85M |
| Jump financial | 535.12K | 0.15% | 535.12K | $12.45M |
| Allianz asset management gmbh | 267.11K | 0.01% | 267.11K | $6.22B |
| Bridgewater associates, lp | 226.99K | 0.02% | 226.99K | $5.28M |
| Edgestream partners | 175.98K | 0.12% | 175.98K | $4.10M |
Sold Out
| Holder | Change |
|---|---|
| Grove bank & trust | -1.00 |
| Hallmark capital management | -1.00 |
| Rakuten securities | -2.00 |
| Tfo-tdc | -5.00 |
| Twin peaks wealth advisors | -5.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 261 | -54.92% | 40,594,235 | -83.49% | 12 | 0.23% | 89 | -61.47% | 74 | -56.21% |
| Jun 30, 2025 | 571 | -3.22% | 244,369,306 | 0.94% | 72 | 1.42% | 226 | -12.40% | 167 | -2.34% |
| Mar 31, 2025 | 587 | -3.45% | 246,422,132 | -2.78% | 72 | 1.29% | 254 | -13.31% | 172 | -2.27% |
| Dec 31, 2024 | 9 | -52.63% | 168,101 | -81.87% | - | 66.29% | 4 | -33.33% | - | -100.00% |
| Sep 30, 2024 | 18 | -97.05% | 864,582 | -99.80% | - | 0.19% | 6 | -97.67% | 9 | -95.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 6.97M | 2.06% | 6.23M |
| Vanguard Total Stock Mkt Idx Inv | 5.86M | 1.74% | -123.25K |
| Vanguard Small Cap Index | 4.51M | 1.34% | -30.38K |
| Vanguard Small Cap Value Index Inv | 2.91M | 0.86% | 9.32K |
| Vanguard Institutional Extnd Mkt Idx Tr | 2.36M | 0.70% | -1.03M |
| FullerThaler Behavioral Small-Cap Growth | 1.94M | 0.57% | 1.94M |
| Smead Value Investor | 1.93M | 0.57% | -85.57K |
| Smead US Value Composite | 1.93M | 0.57% | -91.82K |
| FullerThaler Behavioral Sm-Cp Gr R6 | 1.92M | 0.57% | - |
| Strategic Advisers U.S. Total Stock{mg} | 1.68M | 0.50% | 1.68M |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 04, 2025 | BERKSHIRE HATHAWAY INC | - | Buy | $22.43M |
| Aug 01, 2025 | BERKSHIRE HATHAWAY INC | - | Buy | $40.57M |
| Aug 01, 2025 | BERKSHIRE HATHAWAY INC | - | Buy | $40.57M |
| Jul 31, 2025 | BERKSHIRE HATHAWAY INC | - | Buy | $1.83M |
| Aug 04, 2025 | BERKSHIRE HATHAWAY INC | - | Buy | $22.43M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | 8 | - |
| 2025 Q1 | 4 | - |
| 2024 Q4 | 15 | - |
| 2024 Q3 | - | - |
| 2023 Q4 | - | - |
SIRI Ownership FAQ
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