5 hedge funds and family offices disclose a AMT position in their latest SEC 13F filing — combined $21.4M in market value. Of those, 2 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Christopher Davis | Davis Selected Advisers, LP | 63,250 | $10.3M | 0.04% | 2026-06-30 |
| 2 | Ray Dalio | Bridgewater Associates LP | 35,924 | $5.9M | 0.02% | 2026-06-30 |
| 3 | Chuck Akre | Akre Capital Management, LLC | 29,254 | $4.8M | 0.09% | 2026-06-30 |
| 4 | Mairs & Power | Mairs & Power Inc | 2,020 | $355K | 0.00% | 2025-12-31 |
| 5 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 186 | $33K | 0.00% | 2025-12-31 |
As of the latest 13F window, 5 tracked superinvestors hold AMT. The largest disclosed position is Christopher Davis at $10.3M (0.0% 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 AMT, 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 AMT position in their latest SEC 13F filing — combined $21.4M in market value. Of those, 2 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Christopher Davis | Davis Selected Advisers, LP | 63,250 | $10.3M | 0.04% | 2026-06-30 |
| 2 | Ray Dalio | Bridgewater Associates LP | 35,924 | $5.9M | 0.02% | 2026-06-30 |
| 3 | Chuck Akre | Akre Capital Management, LLC | 29,254 | $4.8M | 0.09% | 2026-06-30 |
| 4 | Mairs & Power | Mairs & Power Inc | 2,020 | $355K | 0.00% | 2025-12-31 |
| 5 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 186 | $33K | 0.00% | 2025-12-31 |
As of the latest 13F window, 5 tracked superinvestors hold AMT. The largest disclosed position is Christopher Davis at $10.3M (0.0% 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 AMT, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
