4 hedge funds and family offices disclose a AME position in their latest SEC 13F filing — combined $227.2M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Francois Rochon | Giverny Capital Inc. | 979,458 | $201.1M | 6.71% | 2025-12-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 116,504 | $25.0M | 0.11% | 2026-03-31 |
| 3 | Cathie Wood | ARK Investment Management LLC | 5,076 | $1.1M | 0.01% | 2026-03-31 |
| 4 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 107 | $22K | 0.00% | 2025-12-31 |
As of the latest 13F window, 4 tracked superinvestors hold AME. The largest disclosed position is Francois Rochon at $201.1M (6.7% 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 AME, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
4 hedge funds and family offices disclose a AME position in their latest SEC 13F filing — combined $227.2M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Francois Rochon | Giverny Capital Inc. | 979,458 | $201.1M | 6.71% | 2025-12-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 116,504 | $25.0M | 0.11% | 2026-03-31 |
| 3 | Cathie Wood | ARK Investment Management LLC | 5,076 | $1.1M | 0.01% | 2026-03-31 |
| 4 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 107 | $22K | 0.00% | 2025-12-31 |
As of the latest 13F window, 4 tracked superinvestors hold AME. The largest disclosed position is Francois Rochon at $201.1M (6.7% 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 AME, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
