5 hedge funds and family offices disclose a SIRI position in their latest SEC 13F filing — combined $2.90B in market value. Of those, 2 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Warren Buffett | Berkshire Hathaway Inc | 124,807,117 | $2.88B | 1.09% | 2026-03-31 |
| 2 | Francis Chou | Chou Associates Management Inc. | 409,589 | $8.2M | 4.06% | 2025-12-31 |
| 3 | Lee Ainslie | Maverick Capital Ltd | 248,591 | $5.0M | 0.05% | 2025-12-31 |
| 4 | Ray Dalio | Bridgewater Associates LP | 91,340 | $2.1M | 0.01% | 2026-03-31 |
| 5 | Tweedy Browne | Tweedy Browne Company LLC | 46,881 | $1.1M | 0.09% | 2026-03-31 |
As of the latest 13F window, 5 tracked superinvestors hold SIRI. The largest disclosed position is Warren Buffett at $2.88B (1.1% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying SIRI, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
5 hedge funds and family offices disclose a SIRI position in their latest SEC 13F filing — combined $2.90B in market value. Of those, 2 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Warren Buffett | Berkshire Hathaway Inc | 124,807,117 | $2.88B | 1.09% | 2026-03-31 |
| 2 | Francis Chou | Chou Associates Management Inc. | 409,589 | $8.2M | 4.06% | 2025-12-31 |
| 3 | Lee Ainslie | Maverick Capital Ltd | 248,591 | $5.0M | 0.05% | 2025-12-31 |
| 4 | Ray Dalio | Bridgewater Associates LP | 91,340 | $2.1M | 0.01% | 2026-03-31 |
| 5 | Tweedy Browne | Tweedy Browne Company LLC | 46,881 | $1.1M | 0.09% | 2026-03-31 |
As of the latest 13F window, 5 tracked superinvestors hold SIRI. The largest disclosed position is Warren Buffett at $2.88B (1.1% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying SIRI, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
