SIRIUS XM HOLDINGS INC. (SIRI)
SEC filings, insider trading & institutional ownership from EDGAR.
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Latest filings
10-K, 10-Q, 8-K, Form 4 & 13D/G. Sourced directly from SEC EDGAR
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Top holders
13F & 13D/G • latest quarter
| Holder | Filed | Value |
|---|---|---|
| BERKSHIRE HATHAWAY INC | Aug 14, 2026 | $3.69B |
| BlackRock, Inc. | Aug 7, 2026 | $519.97M |
| Dimensional Fund Advisors LP | Aug 11, 2026 | $310.53M |
| Vanguard Portfolio Management | Aug 13, 2026 | $268.3M |
| Vanguard Capital Management | Aug 13, 2026 | $247.75M |
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Data as of Oct 16, 2026Source: SEC EDGAR.