CANADIAN NATL RAILWAY CO (CNI) Stock Institutional Trading Activity


CANADIAN NATL RAILWAY CO (CNI) 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 TCI Fund Management, Renaissance Technologies LLC, Fairfax Financial Holdings, Cullen Value Fund, and Bill & Melinda Gates Foundation Trust. 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
Q4 2025Fairfax Financial HoldingsBuy19,80019,800$1,960,139
Q4 2025Renaissance Technologies LLCBuy52,200302,600$29,912,010
Q4 2025TCI Fund ManagementSell-8,917,8409,849,934$974,114,657
Q4 2025Cullen Value FundSell-2332,229$220,524
Q3 2025First Eagle U.S. ValueBuy151,780$167,820
Q3 2025Sequoia Financial AdvisorsSell-1,9125,027$474,047
Q3 2025Renaissance Technologies LLCSell-315,500250,400$23,612,720
Q3 2025TCI Fund ManagementSell-4,221,29218,767,774$1,769,673,250
Q3 2025Bill & Melinda Gates Foundation TrustSell-3,000,00051,826,786$4,887,265,920
Q3 2025Cullen Value FundBuy272,462$237,320
Q2 2025Sequoia Financial AdvisorsBuy2,4486,939$721,938
Q2 2025Renaissance Technologies LLCSell-7,800565,900$58,876,236
Q2 2025TCI Fund ManagementSell-3,910,01222,989,066$2,394,409,913
Q2 2025Cullen Value FundBuy132,435$253,373
Q1 2025AKO CapitalBuy8,08119,073$1,859
Q1 2025First Eagle U.S. ValueBuy151,765$171,788
Q1 2025Sequoia Financial AdvisorsSell-1,9064,491$437,693
Q1 2025Renaissance Technologies LLCBuy220,800573,700$55,912,802
Q1 2025TCI Fund ManagementSell-2,794,68626,899,078$2,619,619,831
Q1 2025Cullen Value FundBuy122,422$236,082
Q4 2024AKO CapitalBuy1,08110,992$1,116
Q4 2024First Eagle U.S. ValueBuy541,750$177,480
Q4 2024Sequoia Financial AdvisorsBuy3976,397$649,375
Q4 2024Renaissance Technologies LLCBuy294,200352,900$35,822,879
Q4 2024TCI Fund ManagementSell-5,743,51329,693,764$3,013,663,064
Q4 2024Cullen Value FundBuy102,410$244,688
Q3 2024AKO CapitalBuy2539,911$1,161
Q3 2024First Eagle U.S. ValueBuy201,696$198,575
Q3 2024Sequoia Financial AdvisorsBuy426,000$702,903
Q3 2024Renaissance Technologies LLCBuy44,10058,700$6,876,705

Frequently asked questions about CNI activity

  • Which institutional owners are buying CNI?

    Institutional owners buying CNI 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 CNI activity?

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

  • Is institutional interest in CNI increasing?

    Institutional interest in CNI 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.