30 hedge funds and family offices disclose a MA position in their latest SEC 13F filing — combined $7.93B in market value. Of those, 10 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Warren Buffett | Berkshire Hathaway Inc | 3,986,648 | $2.28B | 0.83% | 2025-12-31 |
| 2 | Polen Capital | Polen Capital Management LLC | 2,131,727 | $1.22B | 5.20% | 2025-12-31 |
| 3 | Chuck Akre | Akre Capital Management, LLC | 2,281,106 | $1.14B | 18.64% | 2026-03-31 |
| 4 | Thomas Russo | Gardner Russo & Quinn LLC | 1,555,141 | $777.0M | 9.15% | 2026-03-31 |
| 5 | Dev Kantesaria | Valley Forge Capital Management | 1,487,496 | $743.2M | 22.02% | 2026-03-31 |
| 6 | Daniel Loeb | Third Point LLC | 1,500,000 | $398.3M | 10.24% | 2008-06-30 |
| 7 | Viking Global | Viking Global Investors LP | 794,313 | $382.5M | 1.42% | 2024-03-31 |
| 8 | Chase Coleman | Tiger Global Management LLC | 724,000 | $263.1M | 2.39% | 2023-03-31 |
| 9 | Egerton Capital | Egerton Capital (UK) LLP | 458,342 | $261.7M | 2.84% | 2025-12-31 |
| 10 | Tom Gayner | Markel Group Inc. | 207,540 | $103.7M | 0.87% | 2026-03-31 |
| 11 | Bill Ackman | Pershing Square Capital Management, L.P. | 569,924 | $101.1M | 2.67% | 2008-09-30 |
| 12 | David Abrams | Abrams Capital Management, L.P. | 535,000 | $88.7M | 3.62% | 2007-06-30 |
| 13 | Stephen Mandel | Lone Pine Capital LLC | 96,338 | $55.0M | 0.40% | 2025-12-31 |
| 14 | Stanley Druckenmiller | Duquesne Family Office LLC | 133,528 | $48.8M | 1.40% | 2021-06-30 |
| 15 | Guy Spier | Aquamarine Capital Management, LLC | 65,750 | $20.7M | 12.19% | 2022-06-30 |
| 16 | Francois Rochon | Giverny Capital Inc. | 28,759 | $16.4M | 0.55% | 2025-12-31 |
| 17 | Terry Smith | Fundsmith LLP | 27,663 | $15.5M | 0.07% | 2025-06-30 |
| 18 | George Soros | Soros Fund Management LLC | 30,452 | $15.2M | 0.21% | 2026-03-31 |
| 19 | Donald Yacktman | Yacktman Asset Management LP | 11,670 | $5.8M | 0.08% | 2026-03-31 |
| 20 | Ray Dalio | Bridgewater Associates LP | 3,930 | $2.0M | 0.01% | 2026-03-31 |
| 21 | Steven Romick | First Pacific Advisors LP | 2,760 | $1.1M | 0.02% | 2023-06-30 |
| 22 | Peter Thiel | Thiel Macro LLC | 7,000 | $1.0M | 3.16% | 2008-12-31 |
| 23 | Mairs & Power | Mairs & Power Inc | 624 | $356K | 0.00% | 2025-12-31 |
| 24 | Torray Funds | Torray Investment Partners LLC | 367 | $201K | 0.03% | 2025-03-31 |
| 25 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 325 | $186K | 0.03% | 2025-12-31 |
| 26 | AKO Capital | Ako Capital LLP | 100,109 | $57K | 0.87% | 2025-12-31 |
| 27 | Lee Ainslie | Maverick Capital Ltd | 150,536 | $54K | 0.96% | 2022-03-31 |
| 28 | Tweedy Browne | Tweedy Browne Company LLC | 173,994 | $46K | 1.63% | 2019-06-30 |
| 29 | Olstein Capital Management | Olstein Capital Management LP | 4,000 | $2K | 0.37% | 2024-12-31 |
| 30 | Christopher Davis | Davis Selected Advisers, LP | 14,390 | $1K | 0.01% | 2015-12-31 |
As of the latest 13F window, 30 tracked superinvestors hold MA. The largest disclosed position is Warren Buffett at $2.28B (0.8% 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 MA, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
30 hedge funds and family offices disclose a MA position in their latest SEC 13F filing — combined $7.93B in market value. Of those, 10 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Warren Buffett | Berkshire Hathaway Inc | 3,986,648 | $2.28B | 0.83% | 2025-12-31 |
| 2 | Polen Capital | Polen Capital Management LLC | 2,131,727 | $1.22B | 5.20% | 2025-12-31 |
| 3 | Chuck Akre | Akre Capital Management, LLC | 2,281,106 | $1.14B | 18.64% | 2026-03-31 |
| 4 | Thomas Russo | Gardner Russo & Quinn LLC | 1,555,141 | $777.0M | 9.15% | 2026-03-31 |
| 5 | Dev Kantesaria | Valley Forge Capital Management | 1,487,496 | $743.2M | 22.02% | 2026-03-31 |
| 6 | Daniel Loeb | Third Point LLC | 1,500,000 | $398.3M | 10.24% | 2008-06-30 |
| 7 | Viking Global | Viking Global Investors LP | 794,313 | $382.5M | 1.42% | 2024-03-31 |
| 8 | Chase Coleman | Tiger Global Management LLC | 724,000 | $263.1M | 2.39% | 2023-03-31 |
| 9 | Egerton Capital | Egerton Capital (UK) LLP | 458,342 | $261.7M | 2.84% | 2025-12-31 |
| 10 | Tom Gayner | Markel Group Inc. | 207,540 | $103.7M | 0.87% | 2026-03-31 |
| 11 | Bill Ackman | Pershing Square Capital Management, L.P. | 569,924 | $101.1M | 2.67% | 2008-09-30 |
| 12 | David Abrams | Abrams Capital Management, L.P. | 535,000 | $88.7M | 3.62% | 2007-06-30 |
| 13 | Stephen Mandel | Lone Pine Capital LLC | 96,338 | $55.0M | 0.40% | 2025-12-31 |
| 14 | Stanley Druckenmiller | Duquesne Family Office LLC | 133,528 | $48.8M | 1.40% | 2021-06-30 |
| 15 | Guy Spier | Aquamarine Capital Management, LLC | 65,750 | $20.7M | 12.19% | 2022-06-30 |
| 16 | Francois Rochon | Giverny Capital Inc. | 28,759 | $16.4M | 0.55% | 2025-12-31 |
| 17 | Terry Smith | Fundsmith LLP | 27,663 | $15.5M | 0.07% | 2025-06-30 |
| 18 | George Soros | Soros Fund Management LLC | 30,452 | $15.2M | 0.21% | 2026-03-31 |
| 19 | Donald Yacktman | Yacktman Asset Management LP | 11,670 | $5.8M | 0.08% | 2026-03-31 |
| 20 | Ray Dalio | Bridgewater Associates LP | 3,930 | $2.0M | 0.01% | 2026-03-31 |
| 21 | Steven Romick | First Pacific Advisors LP | 2,760 | $1.1M | 0.02% | 2023-06-30 |
| 22 | Peter Thiel | Thiel Macro LLC | 7,000 | $1.0M | 3.16% | 2008-12-31 |
| 23 | Mairs & Power | Mairs & Power Inc | 624 | $356K | 0.00% | 2025-12-31 |
| 24 | Torray Funds | Torray Investment Partners LLC | 367 | $201K | 0.03% | 2025-03-31 |
| 25 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 325 | $186K | 0.03% | 2025-12-31 |
| 26 | AKO Capital | Ako Capital LLP | 100,109 | $57K | 0.87% | 2025-12-31 |
| 27 | Lee Ainslie | Maverick Capital Ltd | 150,536 | $54K | 0.96% | 2022-03-31 |
| 28 | Tweedy Browne | Tweedy Browne Company LLC | 173,994 | $46K | 1.63% | 2019-06-30 |
| 29 | Olstein Capital Management | Olstein Capital Management LP | 4,000 | $2K | 0.37% | 2024-12-31 |
| 30 | Christopher Davis | Davis Selected Advisers, LP | 14,390 | $1K | 0.01% | 2015-12-31 |
As of the latest 13F window, 30 tracked superinvestors hold MA. The largest disclosed position is Warren Buffett at $2.28B (0.8% 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 MA, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
