3 hedge funds and family offices disclose a NSC position in their latest SEC 13F filing — combined $118.4M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Tom Gayner | Markel Group Inc. | 282,500 | $88.9M | 0.68% | 2026-06-30 |
| 2 | Daniel Loeb | Third Point LLC | 100,000 | $28.7M | 1.38% | 2026-03-31 |
| 3 | Mairs & Power | Mairs & Power Inc | 3,035 | $876K | 0.01% | 2025-12-31 |
As of the latest 13F window, 3 tracked superinvestors hold NSC. The largest disclosed position is Tom Gayner at $88.9M (0.7% 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 NSC, 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 NSC position in their latest SEC 13F filing — combined $118.4M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Tom Gayner | Markel Group Inc. | 282,500 | $88.9M | 0.68% | 2026-06-30 |
| 2 | Daniel Loeb | Third Point LLC | 100,000 | $28.7M | 1.38% | 2026-03-31 |
| 3 | Mairs & Power | Mairs & Power Inc | 3,035 | $876K | 0.01% | 2025-12-31 |
As of the latest 13F window, 3 tracked superinvestors hold NSC. The largest disclosed position is Tom Gayner at $88.9M (0.7% 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 NSC, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways