5 hedge funds and family offices disclose a CSX position in their latest SEC 13F filing — combined $991.7M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Viking Global | Viking Global Investors LP | 18,678,052 | $766.7M | 2.14% | 2026-03-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 2,375,228 | $97.5M | 0.44% | 2026-03-31 |
| 3 | Harry Burn | Sound Shore Management Inc /CT/ | 2,401,874 | $87.1M | 2.77% | 2025-12-31 |
| 4 | Tom Gayner | Markel Group Inc. | 584,500 | $27.8M | 0.21% | 2026-06-30 |
| 5 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 347,203 | $12.6M | 1.90% | 2025-12-31 |
As of the latest 13F window, 5 tracked superinvestors hold CSX. The largest disclosed position is Viking Global at $766.7M (2.1% 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 CSX, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
5 hedge funds and family offices disclose a CSX position in their latest SEC 13F filing — combined $991.7M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Viking Global | Viking Global Investors LP | 18,678,052 | $766.7M | 2.14% | 2026-03-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 2,375,228 | $97.5M | 0.44% | 2026-03-31 |
| 3 | Harry Burn | Sound Shore Management Inc /CT/ | 2,401,874 | $87.1M | 2.77% | 2025-12-31 |
| 4 | Tom Gayner | Markel Group Inc. | 584,500 | $27.8M | 0.21% | 2026-06-30 |
| 5 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 347,203 | $12.6M | 1.90% | 2025-12-31 |
As of the latest 13F window, 5 tracked superinvestors hold CSX. The largest disclosed position is Viking Global at $766.7M (2.1% 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 CSX, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
