CANADIAN NATL RAILWAY CO (CNI) Institutional Ownership Changes & 13F Activity
CANADIAN NATL RAILWAY CO (CNI) 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 Renaissance Technologies LLC, Fairfax Financial Holdings, First Eagle U.S. Value, Sequoia Financial Advisors, and TCI Fund Management.
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q4 2021 | Renaissance Technologies LLC | Buy | 281,500 | 319,700 | $39,278 |
| Q4 2021 | Egerton Capital UK | Sell | -170,060 | 7,754,328 | $952,697 |
| Q4 2021 | First Eagle U.S. Value | Buy | 1,103 | 1,103 | $135 |
| Q4 2021 | Sequoia Financial Advisors | Sell | -75 | 2,359 | $290 |
| Q3 2021 | TCI Fund Management | Buy | 6,592,022 | 36,699,825 | $4,246,357 |
| Q3 2021 | Egerton Capital UK | Buy | 2,289,973 | 7,924,388 | $916,455 |
| Q3 2021 | Meritage Group | Sell | -2,088,473 | 3,437 | $399 |
| Q3 2021 | Bill & Melinda Gates Foundation Trust | Sell | -841,114 | 13,066,169 | $1,511,631 |
| Q3 2021 | Renaissance Technologies LLC | Sell | -495,400 | 38,200 | $4,418 |
| Q2 2021 | TCI Fund Management | Buy | 9,334,385 | 30,107,803 | $3,176,525 |
| Q2 2021 | Viking Global Investors | Sell | -5,744,060 | 537,655 | $56,733 |
| Q2 2021 | Meritage Group | Buy | 1,371,780 | 2,091,910 | $220,601 |
| Q2 2021 | Renaissance Technologies LLC | Buy | 99,200 | 533,600 | $56,286 |
| Q1 2021 | Bill & Melinda Gates Foundation Trust | Sell | -3,071,985 | 13,907,283 | $1,612,967 |
| Q1 2021 | Meritage Group | Sell | -1,178,285 | 720,130 | $83,574 |
| Q1 2021 | Renaissance Technologies LLC | Buy | 64,800 | 434,400 | $50,382 |
| Q4 2020 | Meritage Group | Sell | -523,047 | 1,898,415 | $208,585 |
| Q4 2020 | Renaissance Technologies LLC | Buy | 330,000 | 369,600 | $40,579 |
| Q4 2020 | Bill & Melinda Gates Foundation Trust | Sell | -147,606 | 16,979,268 | $1,865,173 |
| Q4 2020 | TCI Fund Management | Sell | -28,847 | 20,773,418 | $2,282,520 |
| Q3 2020 | TCI Fund Management | Sell | -200,105 | 20,802,265 | $2,214,569 |
| Q3 2020 | Renaissance Technologies LLC | Sell | -10,200 | 39,600 | $4,216 |
| Q2 2020 | TCI Fund Management | Buy | 90,469 | 21,002,370 | $1,858,970 |
| Q2 2020 | Renaissance Technologies LLC | Sell | -73,700 | 49,800 | $4,411 |
| Q2 2020 | Meritage Group | Buy | 20,513 | 2,421,462 | $214,059 |
| Q1 2020 | TCI Fund Management | Buy | 430,988 | 20,911,901 | $1,630,758 |
| Q1 2020 | Renaissance Technologies LLC | Sell | -427,202 | 123,500 | $9,587 |
| Q1 2020 | Meritage Group | Buy | 6,161 | 2,400,949 | $187,505 |
| Q4 2019 | Meritage Group | Buy | 2,394,788 | 2,394,788 | $216,638 |
| Q4 2019 | TCI Fund Management | Buy | 1,378,200 | 20,480,913 | $1,852,238 |
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.
Related CNI insights
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- CNI Ownership Changes
- CNI Insiders
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