CSX CORP (CSX) Institutional Ownership Changes & 13F Activity

CSX CORP (CSX) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Viking Global Investors, Sound Shore Management, Renaissance Technologies LLC, Sequoia Financial Advisors, and Cullen Value Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2024Viking Global InvestorsBuy4,613,2039,351,747$322,915,824
Q3 2024Sequoia Financial AdvisorsBuy13,523114,523$3,954,478
Q3 2024Cullen Value FundSell-22336,487$1,259,904
Q2 2024Viking Global InvestorsBuy780,7474,738,544$158,504,297
Q2 2024Renaissance Technologies LLCBuy99,600894,100$29,907,645
Q2 2024Sequoia Financial AdvisorsBuy8,054101,000$3,378,441
Q2 2024Cullen Value FundSell-2,72936,710$1,227,953
Q2 2024Kahn Brothers GroupSell-50049,820$1,666,000
Q1 2024Viking Global InvestorsBuy823,8843,957,797$146,715,535
Q1 2024Renaissance Technologies LLCBuy469,700794,500$29,452
Q1 2024Sequoia Financial AdvisorsSell-24,04192,946$3,445,525
Q1 2024Cullen Value FundBuy1,66839,439$1,439,927
Q4 2023Viking Global InvestorsSell-7,506,9153,133,913$108,652,764
Q4 2023Renaissance Technologies LLCSell-4,391,000324,800$11,261
Q4 2023Causeway Capital ManagementBuy250,2701,611,661$55,876,252
Q4 2023Sequoia Financial AdvisorsBuy84,352116,987$4,055,937
Q4 2023Cullen Value FundBuy37,77137,771$1,309,536
Q4 2023Kahn Brothers GroupSell-10850,320$1,745,000
Q3 2023Viking Global InvestorsSell-2,166,12310,640,828$327,205,461
Q3 2023Causeway Capital ManagementBuy364,5851,361,391$41,862,797
Q3 2023Kahn Brothers GroupBuy50,42850,428$1,551,000
Q3 2023Sequoia Financial AdvisorsBuy1,57132,635$1,003,532
Q2 2023Viking Global InvestorsSell-9,250,16812,806,951$436,717,029
Q2 2023Causeway Capital ManagementSell-3,387,569996,806$33,991,070
Q2 2023Sequoia Financial AdvisorsBuy2,33631,064$1,059,298
Q1 2023Viking Global InvestorsBuy6,508,99622,057,119$660,390,143
Q1 2023Renaissance Technologies LLCBuy1,000,3004,715,800$141,191
Q1 2023Sequoia Financial AdvisorsBuy90128,728$860,109
Q4 2022Viking Global InvestorsBuy14,703,94115,548,123$481,680,851
Q4 2022Egerton Capital UKSell-8,564,1097,574,429$234,655,810

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.