12 hedge funds and family offices disclose a AXP position in their latest SEC 13F filing — combined $51.65B in market value. Of those, 6 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Warren Buffett | Berkshire Hathaway Inc | 151,610,700 | $51.28B | 17.14% | 2026-06-30 |
| 2 | Tom Gayner | Markel Group Inc. | 490,450 | $165.9M | 1.26% | 2026-06-30 |
| 3 | Christopher Davis | Davis Selected Advisers, LP | 209,821 | $71.0M | 0.30% | 2026-06-30 |
| 4 | Mairs & Power | Mairs & Power Inc | 159,459 | $59.0M | 0.57% | 2025-12-31 |
| 5 | Guy Spier | Aquamarine Capital Management, LLC | 210,000 | $29.1M | 17.10% | 2022-06-30 |
| 6 | Tweedy Browne | Tweedy Browne Company LLC | 62,719 | $21.2M | 1.61% | 2026-06-30 |
| 7 | Ray Dalio | Bridgewater Associates LP | 29,582 | $10.0M | 0.04% | 2026-06-30 |
| 8 | Torray Funds | Torray Investment Partners LLC | 24,275 | $9.0M | 1.29% | 2025-12-31 |
| 9 | Lindsell Train | Lindsell Train Ltd | 9,800 | $3.6M | 0.09% | 2025-12-31 |
| 10 | Thomas Russo | Gardner Russo & Quinn LLC | 5,125 | $1.7M | 0.02% | 2026-06-30 |
| 11 | Matrix Asset Advisors | Matrix Asset Advisors Inc/NY | 3,066 | $1.1M | 0.10% | 2025-12-31 |
| 12 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 280 | $104K | 0.02% | 2025-12-31 |
As of the latest 13F window, 12 tracked superinvestors hold AXP. The largest disclosed position is Warren Buffett at $51.28B (17.1% 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 AXP, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
12 hedge funds and family offices disclose a AXP position in their latest SEC 13F filing — combined $51.65B in market value. Of those, 6 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Warren Buffett | Berkshire Hathaway Inc | 151,610,700 | $51.28B | 17.14% | 2026-06-30 |
| 2 | Tom Gayner | Markel Group Inc. | 490,450 | $165.9M | 1.26% | 2026-06-30 |
| 3 | Christopher Davis | Davis Selected Advisers, LP | 209,821 | $71.0M | 0.30% | 2026-06-30 |
| 4 | Mairs & Power | Mairs & Power Inc | 159,459 | $59.0M | 0.57% | 2025-12-31 |
| 5 | Guy Spier | Aquamarine Capital Management, LLC | 210,000 | $29.1M | 17.10% | 2022-06-30 |
| 6 | Tweedy Browne | Tweedy Browne Company LLC | 62,719 | $21.2M | 1.61% | 2026-06-30 |
| 7 | Ray Dalio | Bridgewater Associates LP | 29,582 | $10.0M | 0.04% | 2026-06-30 |
| 8 | Torray Funds | Torray Investment Partners LLC | 24,275 | $9.0M | 1.29% | 2025-12-31 |
| 9 | Lindsell Train | Lindsell Train Ltd | 9,800 | $3.6M | 0.09% | 2025-12-31 |
| 10 | Thomas Russo | Gardner Russo & Quinn LLC | 5,125 | $1.7M | 0.02% | 2026-06-30 |
| 11 | Matrix Asset Advisors | Matrix Asset Advisors Inc/NY | 3,066 | $1.1M | 0.10% | 2025-12-31 |
| 12 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 280 | $104K | 0.02% | 2025-12-31 |
As of the latest 13F window, 12 tracked superinvestors hold AXP. The largest disclosed position is Warren Buffett at $51.28B (17.1% 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 AXP, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
