6 hedge funds and family offices disclose a CAT position in their latest SEC 13F filing — combined $460.9M in market value. Of those, 2 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Tom Gayner | Markel Group Inc. | 328,650 | $350.0M | 2.67% | 2026-06-30 |
| 2 | Ray Dalio | Bridgewater Associates LP | 82,502 | $58.4M | 0.26% | 2026-03-31 |
| 3 | Cathie Wood | ARK Investment Management LLC | 58,578 | $41.5M | 0.32% | 2026-03-31 |
| 4 | Mairs & Power | Mairs & Power Inc | 18,455 | $10.6M | 0.10% | 2025-12-31 |
| 5 | Thomas Russo | Gardner Russo & Quinn LLC | 450 | $319K | 0.00% | 2026-03-31 |
| 6 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 186 | $107K | 0.02% | 2025-12-31 |
As of the latest 13F window, 6 tracked superinvestors hold CAT. The largest disclosed position is Tom Gayner at $350.0M (2.7% 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 CAT, 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 CAT position in their latest SEC 13F filing — combined $460.9M in market value. Of those, 2 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Tom Gayner | Markel Group Inc. | 328,650 | $350.0M | 2.67% | 2026-06-30 |
| 2 | Ray Dalio | Bridgewater Associates LP | 82,502 | $58.4M | 0.26% | 2026-03-31 |
| 3 | Cathie Wood | ARK Investment Management LLC | 58,578 | $41.5M | 0.32% | 2026-03-31 |
| 4 | Mairs & Power | Mairs & Power Inc | 18,455 | $10.6M | 0.10% | 2025-12-31 |
| 5 | Thomas Russo | Gardner Russo & Quinn LLC | 450 | $319K | 0.00% | 2026-03-31 |
| 6 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 186 | $107K | 0.02% | 2025-12-31 |
As of the latest 13F window, 6 tracked superinvestors hold CAT. The largest disclosed position is Tom Gayner at $350.0M (2.7% 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 CAT, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
