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.
Explore more:
- CANADIAN NATL RAILWAY CO (CNI) stock institutional ownership
- CANADIAN NATL RAILWAY CO (CNI) stock insider trading activity
- Stock rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2015 | Viking Global Investors | Buy | 6,281,715 | 6,281,715 | $420,058 |
| Q4 2014 | Sequoia Financial Advisors | Buy | 364 | 4,554 | $314 |
| Q4 2014 | Egerton Capital UK | Buy | 845,519 | 5,734,625 | $395,173 |
| Q3 2014 | Sequoia Financial Advisors | Sell | -63 | 4,190 | $297 |
| Q3 2014 | Egerton Capital UK | Buy | 4,889,106 | 4,889,106 | $346,931 |
| Q2 2014 | Sequoia Financial Advisors | Buy | 4,253 | 4,253 | $277 |
| Q1 2014 | Renaissance Technologies LLC | Buy | 256,600 | 330,700 | $18,592 |
| Q4 2013 | Renaissance Technologies LLC | Sell | -228,100 | 74,100 | $4,225 |
| Q4 2013 | Bill & Melinda Gates Foundation Trust | Buy | 8,563,437 | 17,126,874 | $976,574 |
| Q3 2013 | Renaissance Technologies LLC | Sell | -172,400 | 302,200 | $30,634 |
| Q2 2013 | Renaissance Technologies LLC | Buy | 474,600 | 474,600 | $46,164 |
| Q2 2013 | Bill & Melinda Gates Foundation Trust | Buy | 8,563,437 | 8,563,437 | $832,966 |
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.