3 hedge funds and family offices disclose a SEIC position in their latest SEC 13F filing — combined $33.7M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Ray Dalio | Bridgewater Associates LP | 232,675 | $18.3M | 0.08% | 2026-03-31 |
| 2 | Tom Gayner | Markel Group Inc. | 173,200 | $15.2M | 0.12% | 2026-06-30 |
| 3 | Mairs & Power | Mairs & Power Inc | 3,300 | $271K | 0.00% | 2025-12-31 |
As of the latest 13F window, 3 tracked superinvestors hold SEIC. The largest disclosed position is Ray Dalio at $18.3M (0.1% 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 SEIC, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
3 hedge funds and family offices disclose a SEIC position in their latest SEC 13F filing — combined $33.7M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Ray Dalio | Bridgewater Associates LP | 232,675 | $18.3M | 0.08% | 2026-03-31 |
| 2 | Tom Gayner | Markel Group Inc. | 173,200 | $15.2M | 0.12% | 2026-06-30 |
| 3 | Mairs & Power | Mairs & Power Inc | 3,300 | $271K | 0.00% | 2025-12-31 |
As of the latest 13F window, 3 tracked superinvestors hold SEIC. The largest disclosed position is Ray Dalio at $18.3M (0.1% 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 SEIC, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
