CSX CORP (CSX) Stock Institutional Trading Activity


CSX CORP (CSX) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Third Point, Viking Global Investors, Kahn Brothers Group, Cullen Value Fund, and Sound Shore Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2022Mairs & Power Growth FundSell-3,94216,007$465
Q2 2022Sequoia Financial AdvisorsSell-1,35416,725$486
Q2 2022Third PointSell-2,421,3784,965,000$144,283
Q2 2022Renaissance Technologies LLCBuy5,151,10011,529,500$335,047
Q2 2022Egerton Capital UKSell-8,048,08922,260,107$646,879
Q1 2022Sequoia Financial AdvisorsBuy4,72218,079$677
Q1 2022Mairs & Power Growth FundBuy1,60719,949$747
Q1 2022Renaissance Technologies LLCSell-161,4736,378,400$238,871
Q1 2022Third PointBuy7,386,3787,386,378$276,620
Q1 2022Egerton Capital UKSell-5,525,75430,308,196$1,135,042
Q4 2021Sequoia Financial AdvisorsBuy3,99513,357$502
Q4 2021Mairs & Power Growth FundSell-90018,342$690
Q4 2021Renaissance Technologies LLCBuy1,033,7736,539,873$245,899
Q4 2021Egerton Capital UKBuy2,568,60935,833,950$1,347,357
Q3 2021Renaissance Technologies LLCSell-3,055,3005,506,100$163,751
Q3 2021Egerton Capital UKBuy1,317,27333,265,341$989,311
Q2 2021Sequoia Financial AdvisorsBuy6,4709,362$300
Q2 2021Mairs & Power Growth FundBuy12,82819,242$617
Q2 2021Renaissance Technologies LLCBuy8,210,8008,561,400$274,650
Q2 2021Egerton Capital UKBuy22,527,84231,948,068$1,024,894
Q1 2021Sequoia Financial AdvisorsSell-1,9192,892$279
Q1 2021Mairs & Power Growth FundSell-7966,414$618
Q1 2021Renaissance Technologies LLCBuy320,899350,600$33,805
Q1 2021Egerton Capital UKBuy2,874,8529,420,226$908,298
Q4 2020Sequoia Financial AdvisorsBuy1,1804,811$437
Q4 2020Egerton Capital UKSell-90,0846,545,374$593,993
Q3 2020Sequoia Financial AdvisorsBuy3,6313,631$282
Q3 2020Mairs & Power Growth FundSell-6257,210$560
Q3 2020Renaissance Technologies LLCSell-1,240,22329,701$2,307
Q2 2020Renaissance Technologies LLCSell-2,694,2011,269,924$88,564

Frequently asked questions about CSX activity

  • Which institutional owners are buying CSX?

    Institutional owners buying CSX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in CSX activity?

    "Buy" means an investor increased their reported position in CSX compared to the prior reporting period. This reflects growing exposure to CSX CORP (CSX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CSX increasing?

    Institutional interest in CSX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.