Filing Flows › Sirius XM Holdings (SIRI) › Who owns the stock
Who owns Sirius XM Holdings (SIRI) stock
566 funds reported Sirius XM Holdings (SIRI) shares in their latest 13F filings, worth $8.5B in all. The largest holder is Berkshire Hathaway ($3.7B). Last quarter 286 funds added to their stakes and 194 cut them. Members of Congress and other officials disclosed 2 trades (0 buys, 2 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Berkshire Hathaway | 124,807,117 | $3.7B | unchanged | 2026-06-30 |
| BlackRock | 17,602,229 | $520M | increase | 2026-06-30 |
| Vanguard Group | 18,320,515 | $366M | decrease | 2025-12-31 |
| Dimensional Fund Advisors LP | 10,512,352 | $311M | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 9,082,629 | $268M | increase | 2026-06-30 |
| Vanguard Capital Management LLC | 8,386,784 | $248M | increase | 2026-06-30 |
| Kontiki Capital Management (HK) | 6,082,824 | $180M | increase | 2026-06-30 |
| State Street | 5,992,497 | $177M | increase | 2026-06-30 |
| Boston Partners | 5,080,806 | $150M | new | 2026-06-30 |
| Gates Capital Management | 4,539,927 | $134M | increase | 2026-06-30 |
| Geode Capital Management, LLC | 3,901,488 | $115M | increase | 2026-06-30 |
| FPR Partners LLC | 4,395,520 | $99.1M | decrease | 2025-03-31 |
| AQR Capital Management LLC | 3,396,308 | $98.4M | increase | 2026-06-30 |
| Citadel Advisors LLC | 3,310,550 | $97.8M | increase | 2026-06-30 |
| Bank of New York Mellon | 3,012,240 | $89.0M | increase | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-02-05 | John W Hickenlooper | partial sale | $50K–$100K |
| 2026-01-13 | August Lee Pfluger II | sale | $1K–$15K |
Sirius XM Holdings' latest quarter
Sirius XM Holdings, Q3 2026: revenue $2.2B (-0.3% year over year), operating margin 22.2%, net earnings $317M, operating cash flow $457M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most SIRI stock?
By the latest 13F filings: Berkshire Hathaway ($3.7B); BlackRock ($520M); Vanguard Group ($366M); Dimensional Fund Advisors LP ($311M); Vanguard Portfolio Management LLC ($268M).
Has Congress traded SIRI stock?
Officials disclosed 2 trades on file: 0 buys and 2 sales. The latest: John W Hickenlooper, partial sale on 2026-02-05.
What is the short interest in SIRI?
30,404,445 shares were sold short at the 2026-10-15 settlement, -18.91% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.