6 hedge funds and family offices disclose a ADI position in their latest SEC 13F filing — combined $971.3M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Steven Romick | First Pacific Advisors LP | 1,874,867 | $508.5M | 6.70% | 2025-12-31 |
| 2 | Tom Gayner | Markel Group Inc. | 999,671 | $397.0M | 3.02% | 2026-06-30 |
| 3 | Francois Rochon | Giverny Capital Inc. | 176,747 | $47.9M | 1.60% | 2025-12-31 |
| 4 | Ray Dalio | Bridgewater Associates LP | 55,073 | $17.5M | 0.08% | 2026-03-31 |
| 5 | AKO Capital | Ako Capital LLP | 1,248,009 | $338K | 5.15% | 2025-12-31 |
| 6 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 195 | $53K | 0.01% | 2025-12-31 |
As of the latest 13F window, 6 tracked superinvestors hold ADI. The largest disclosed position is Steven Romick at $508.5M (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 ADI, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
6 hedge funds and family offices disclose a ADI position in their latest SEC 13F filing — combined $971.3M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Steven Romick | First Pacific Advisors LP | 1,874,867 | $508.5M | 6.70% | 2025-12-31 |
| 2 | Tom Gayner | Markel Group Inc. | 999,671 | $397.0M | 3.02% | 2026-06-30 |
| 3 | Francois Rochon | Giverny Capital Inc. | 176,747 | $47.9M | 1.60% | 2025-12-31 |
| 4 | Ray Dalio | Bridgewater Associates LP | 55,073 | $17.5M | 0.08% | 2026-03-31 |
| 5 | AKO Capital | Ako Capital LLP | 1,248,009 | $338K | 5.15% | 2025-12-31 |
| 6 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 195 | $53K | 0.01% | 2025-12-31 |
As of the latest 13F window, 6 tracked superinvestors hold ADI. The largest disclosed position is Steven Romick at $508.5M (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 ADI, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
