9 hedge funds and family offices disclose a UNP position in their latest SEC 13F filing — combined $887.5M in market value. Of those, 4 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Seth Klarman | BAUPOST GROUP LLC/MA | 1,540,995 | $373.9M | 7.31% | 2026-03-31 |
| 2 | Lee Ainslie | Maverick Capital Ltd | 1,313,207 | $303.8M | 3.26% | 2025-12-31 |
| 3 | Ray Dalio | Bridgewater Associates LP | 532,850 | $129.3M | 0.58% | 2026-03-31 |
| 4 | Tom Gayner | Markel Group Inc. | 161,028 | $43.8M | 0.33% | 2026-06-30 |
| 5 | Daniel Loeb | Third Point LLC | 100,000 | $24.3M | 1.16% | 2026-03-31 |
| 6 | Thomas Russo | Gardner Russo & Quinn LLC | 27,638 | $6.7M | 0.08% | 2026-03-31 |
| 7 | Tweedy Browne | Tweedy Browne Company LLC | 19,185 | $4.7M | 0.37% | 2026-03-31 |
| 8 | Mairs & Power | Mairs & Power Inc | 4,592 | $1.1M | 0.01% | 2025-12-31 |
| 9 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 236 | $55K | 0.01% | 2025-12-31 |
As of the latest 13F window, 9 tracked superinvestors hold UNP. The largest disclosed position is Seth Klarman at $373.9M (7.3% 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 UNP, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
9 hedge funds and family offices disclose a UNP position in their latest SEC 13F filing — combined $887.5M in market value. Of those, 4 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Seth Klarman | BAUPOST GROUP LLC/MA | 1,540,995 | $373.9M | 7.31% | 2026-03-31 |
| 2 | Lee Ainslie | Maverick Capital Ltd | 1,313,207 | $303.8M | 3.26% | 2025-12-31 |
| 3 | Ray Dalio | Bridgewater Associates LP | 532,850 | $129.3M | 0.58% | 2026-03-31 |
| 4 | Tom Gayner | Markel Group Inc. | 161,028 | $43.8M | 0.33% | 2026-06-30 |
| 5 | Daniel Loeb | Third Point LLC | 100,000 | $24.3M | 1.16% | 2026-03-31 |
| 6 | Thomas Russo | Gardner Russo & Quinn LLC | 27,638 | $6.7M | 0.08% | 2026-03-31 |
| 7 | Tweedy Browne | Tweedy Browne Company LLC | 19,185 | $4.7M | 0.37% | 2026-03-31 |
| 8 | Mairs & Power | Mairs & Power Inc | 4,592 | $1.1M | 0.01% | 2025-12-31 |
| 9 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 236 | $55K | 0.01% | 2025-12-31 |
As of the latest 13F window, 9 tracked superinvestors hold UNP. The largest disclosed position is Seth Klarman at $373.9M (7.3% 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 UNP, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
