CSX Corp
CSX- Exchange
- Nasdaq
- Industry
- Railroads, Line-Haul Operating
- SEC CIK
- 0000277948
In the last 90 days, CSX Corp insiders filed 0 open-market purchases and 2 sales; 1,998 institutions reported holding it in 13F filings for Q2 2026, worth $69.9B in total; Markel Group is the only superinvestor holding it.
Superinvestors holding CSX, Q2 2026
1 superinvestor reports holding CSX Corp on Form 13F, worth $27.8M in total. Weight is CSX Corp's share of each 13F portfolio; actions compare shares with Q1 2026.
| Superinvestor | % of portfolio | Shares | Value | vs. previous quarter |
|---|---|---|---|---|
| Markel GroupTom Gayner | 0.2% | 584,500 | $27.8M | Added+10.3% |
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of CSX each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
1 superinvestor holding at quarter end
- Added
- Markel Group (+10.3%)
- Sold out
- Viking Global Investors
Q1 2026
2 superinvestors holding at quarter end
- Added
- Viking Global Investors (+35.2%), Markel Group (+20.5%)
- Sold out
- Third Point, Harris Associates (Oakmark)
Q4 2025
4 superinvestors holding at quarter end
- New
- Third Point
- Added
- Markel Group (+54.4%)
- Reduced
- Viking Global Investors (−13.4%)
Q3 2025
3 superinvestors holding at quarter end
- Added
- Markel Group (+338.5%)
- Reduced
- Viking Global Investors (−15.5%)
- Sold out
- Soros Fund Management
Q2 2025
4 superinvestors holding at quarter end
- New
- Harris Associates (Oakmark), Markel Group
- Added
- Viking Global Investors (+10.6%)
- Reduced
- Soros Fund Management (−9.2%)
Q1 2025
2 superinvestors holding at quarter end
- Added
- Viking Global Investors (+16.3%)
- Reduced
- Soros Fund Management (−7.6%)
Q4 2024
2 superinvestors holding at quarter end
- Added
- Viking Global Investors (+56.9%)
- Reduced
- Soros Fund Management (−23.9%)
Q3 2024
2 superinvestors holding at quarter end
- Added
- Viking Global Investors (+97.4%), Soros Fund Management (+9.9%)
Q2 2024
2 superinvestors holding at quarter end
- Added
- Viking Global Investors (+19.7%), Soros Fund Management (+38.4%)
- Sold out
- Maverick Capital
Q1 2024
3 superinvestors holding at quarter end
- New
- Maverick Capital
- Added
- Viking Global Investors (+26.3%), Soros Fund Management (+21.0%)
Q4 2023
2 superinvestors holding at quarter end
- Added
- Soros Fund Management (+48.5%)
- Reduced
- Viking Global Investors (−70.5%)
Q3 2023
2 superinvestors holding at quarter end
- Added
- Soros Fund Management (+15.0%)
- Reduced
- Viking Global Investors (−16.9%)
Q2 2023
2 superinvestors holding at quarter end
- Reduced
- Viking Global Investors (−41.9%), Soros Fund Management (−18.8%)
- Sold out
- Maverick Capital
Q1 2023
3 superinvestors holding at quarter end
- New
- Soros Fund Management
- Added
- Viking Global Investors (+41.9%), Maverick Capital (+79.9%)
Q4 2022
2 superinvestors holding at quarter end
- New
- Viking Global Investors, Maverick Capital
- Sold out
- Third Point
Q3 2022
1 superinvestor holding at quarter end
- Reduced
- Third Point (−44.6%)
Q2 2022
1 superinvestor holding at quarter end
- Reduced
- Third Point (−32.8%)
Q1 2022
1 superinvestor holding at quarter end
- New
- Third Point
- Sold out
- Maverick Capital
Q4 2021
1 superinvestor holding at quarter end
- Reduced
- Maverick Capital (−96.4%)
Q3 2021
1 superinvestor holding at quarter end
- Added
- Maverick Capital (+107.0%)
Q2 2021
1 superinvestor holding at quarter end
Converted for a 3-for-1 split- Added
- Maverick Capital (+55.6%)