SIRI Institutional Ownership
Who owns Sirius XM Holdings Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 604 funds reported holding SIRI at Jun 30, 2026, together owning 86.0% of the company.
- ▲309 buying vs 211 selling
- ▲Held by funds +8.7 pts
- ▲Funds holding +38
- ●Superinvestors: 2 added, 2 cut
- ▲Put/call 0.62 to 0.27
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 604 | 566 | +6.7% |
| In funds' top 10 | 12 | 8 | +50.0% |
| 13F shares | 289M | 260M | +11.3% |
| Held by funds | 86.0% | 77.2% | +8.7 pts |
| New positions | 104 | 111 | −6.3% |
| Increased | 205 | 183 | +12.0% |
| Reduced | 147 | 115 | +27.8% |
| Sold out | 64 | 67 | −4.5% |
| Calls (shares) | 3.5M | 2.4M | +44.4% |
| Puts (shares) | 956K | 1.5M | −36.5% |
| Put/call ratio | 0.27 | 0.62 | −56.0% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in SIRI
All superinvestors →
Who owns SIRI
share of fund held shares- Index and passive funds21.5%
- Active managers and hedge funds70.1%
- Banks and brokers6.1%
- Pensions, insurers and other2.2%
The top 10 holders own 69.5% of all SIRI shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
160 funds changed their position- Deprince Race & Zollo IncAdded+192K sh
- Associated Banc-CorpNew+109K sh
- Hussman Strategic Advisors, Inc.New+63K sh
- Creative PlanningAdded+47K sh
- Cambridge Investment Research Advisors, Inc.Trimmed−38K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Berkshire Hathaway Inc | 37.09% | 125M | $3.7B | 0 |
| 2 | BlackRock, Inc. | 5.23% | 17.6M | $520M | +8M |
| 3 | Dimensional Fund Advisors LP | 3.12% | 10.5M | $311M | +4.2M |
| 4 | Vanguard Portfolio Management LLC | 2.70% | 9.1M | $268M | +378K |
| 5 | Check Capital Management Inc/ca | 2.61% | 8.8M | $259M | +5.8M |
| 6 | Vanguard Capital Management LLC | 2.49% | 8.4M | $248M | +83K |
| 7 | Kontiki Capital Management (HK) Ltd. | 1.81% | 6.1M | $180M | +386K |
| 8 | State Street Corp | 1.78% | 6M | $177M | +2.4M |
| 9 | Boston Partners | 1.51% | 5.1M | $150M | +5.1M |
| 10 | Gates Capital Management, Inc. | 1.35% | 4.5M | $134M | +1.8M |
- BlackRock, Inc.+8M sh+$236M
- Check Capital Management Inc/ca+5.8M sh+$173M
- Boston Partners+5.1M sh+$150M
- Dimensional Fund Advisors LP+4.2M sh+$124M
- J. Goldman & Co LP+2.9M sh+$86.3M
- State Street Corp+2.4M sh+$72.2M
- Norges Bank+2.1M sh+$61.8M
- Gates Capital Management, Inc.+1.8M sh+$53.1M
- Seizert Capital Partners, LLC−1.8M sh−$54.1M
- Ameriprise Financial Inc−1.7M sh−$49.9M
- Canada Pension Plan Investment Board−1.5M sh−$44.2M
- Thompson Siegel & Walmsley LLC−1.5M sh−$44.1M
- HSBC Holdings PLC−1.3M sh−$36.9M
- Hrt Financial LP−1.6M sh−$36.1M
- Two Sigma Investments, LP−985K sh−$29.1M
- Goldman Sachs Group Inc−906K sh−$26.8M
SIRI institutional ownership FAQ
Who owns the most SIRI stock?
In Q2 2026 13F filings the largest holder of SIRI was Berkshire Hathaway Inc, followed by BlackRock, Inc. and Dimensional Fund Advisors LP. Index fund managers are usually the biggest holders of large companies.
What percentage of SIRI is owned by institutions?
Funds that file 13F reports held 86.0% of SIRI's shares at Jun 30, 2026, compared with 77.2% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying SIRI?
In Q2 2026, 309 funds bought SIRI (104 of them new positions) and 211 sold (64 sold out completely). Among well known investors, 2 added and 2 cut. Our fund sentiment for SIRI is strongly bullish.
What is SIRI's institutional put/call ratio?
Funds reported $28.3M of SIRI puts against $103M of calls, a put/call ratio of 0.27 (0.62 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this SIRI ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.