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
Q1 2017Akre Capital ManagementSell-33,8824,899$228
Q1 2017Fairfax Financial HoldingsBuy5,20015,000$698
Q1 2017Renaissance Technologies LLCSell-1,024,900112,400$5,232
Q1 2017First Eagle U.S. ValueSell-1,098,907768,352$35,767
Q1 2017Lone Pine CapitalBuy12,290,12314,378,423$669,316
Q1 2017Mairs & Power Growth FundBuy8,4008,400$391
Q4 2016Meritage GroupBuy45,62245,622$1,639
Q4 2016Causeway Capital ManagementSell-716,3714,384,375$184,986
Q3 2016Causeway Capital ManagementBuy2,278,8885,100,746$174,997
Q1 2016Fairfax Financial HoldingsBuy2,2009,800$252
Q1 2016Akre Capital ManagementSell-1,91438,781$999
Q4 2015Atlantic Investment ManagementSell-149,075302,463$7,849
Q4 2015First Eagle U.S. ValueBuy1,867,2591,867,259$48,455
Q3 2015Atlantic Investment ManagementBuy451,538451,538$12,146
Q3 2015Renaissance Technologies LLCBuy275,1001,137,300$30,593
Q2 2015Akre Capital ManagementBuy10,75040,695$1,329
Q2 2015Lone Pine CapitalBuy2,088,3002,088,300$68,183
Q1 2015Akre Capital ManagementSell-12,95429,945$1,081
Q1 2015Renaissance Technologies LLCBuy130,700862,200$28,556
Q4 2014Causeway Capital ManagementSell-945,3932,821,858$114,171
Q4 2014Disciplined Growth InvestorsBuy6,2046,204$225
Q3 2014Causeway Capital ManagementBuy34,8003,767,251$131,100
Q2 2014Akre Capital ManagementSell-7,01842,899$1,322
Q2 2014Causeway Capital ManagementBuy1,375,9003,732,451$119,073
Q1 2014Causeway Capital ManagementBuy2,356,5512,356,551$71,862
Q4 2013Matrix Advisors Value FundSell-84547,390$1,363
Q4 2013Fairfax Financial HoldingsBuy7,6007,600$219
Q4 2013Akre Capital ManagementSell-1,14449,917$1,436
Q2 2013Matrix Advisors Value FundBuy48,23548,235$1,119
Q2 2013Akre Capital ManagementBuy51,06151,061$1,184

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.