SC Filed 2021-10-18 Event — SEC 0000902664-21-004535 →

TCI Fund Management Ltd → CANADIAN NATIONAL RAILWAY CO CNI

Stake: — Shares: —

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 16/100

Passive Schedule 13G filer baseline
Elevated short days-to-cover (5.4 DTC)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

11 13D/G filings on this issuer

10 other filings besides this one

Filer Track Record

11 filings by this filer

10 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 5.37

4,986,177 shares short · -21.9% vs prior

Other 13D/G Filings on CANADIAN NATIONAL RAILWAY CO

Filed	Form	Filer	Stake	Shares
2024-11-04	SC	TCI Fund Management Ltd	—	—	view →
2022-01-26	SC	TCI Fund Management Ltd	—	—	view →
2021-09-27	SC	TCI Fund Management Ltd	—	—	view →
2021-09-17	SC	TCI Fund Management Ltd	—	—	view →
2021-09-13	SC	TCI Fund Management Ltd	—	—	view →
2021-09-08	SC	CASCADE INVESTMENT, L.L.C.	—	—	view →
2021-09-07	SC	TCI Fund Management Ltd	—	—	view →
2021-08-31	SC	TCI Fund Management Ltd	—	—	view →
2021-08-06	SC	CASCADE INVESTMENT, L.L.C.	—	—	view →
2021-05-04	SC	CASCADE INVESTMENT, L.L.C.	—	—	view →

Other Filings by TCI Fund Management Ltd

Filed	Form	Issuer	Stake	Shares
2024-11-04	SC	CANADIAN NATIONAL RAILWAY CO CNI	—	—	view →
2022-01-26	SC	CANADIAN NATIONAL RAILWAY CO CNI	—	—	view →
2021-09-27	SC	CANADIAN NATIONAL RAILWAY CO CNI	—	—	view →
2021-09-17	SC	CANADIAN NATIONAL RAILWAY CO CNI	—	—	view →
2021-09-13	SC	CANADIAN NATIONAL RAILWAY CO CNI	—	—	view →
2021-09-07	SC	CANADIAN NATIONAL RAILWAY CO CNI	—	—	view →
2021-08-31	SC	CANADIAN NATIONAL RAILWAY CO CNI	—	—	view →
2018-07-12	SC	ALTABA INC.	—	—	view →
2018-07-09	SC	ALTABA INC.	—	—	view →
2018-07-02	SC	ALTABA INC.	—	—	view →

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