Question 1

How many shares of CNI does TCI Fund Management Ltd own?

Accepted Answer

As of 2026-Q2, TCI Fund Management Ltd holds 9.4M shares of CNI (CANADIAN NATL RAILWAY CO).

Question 2

What is TCI Fund Management Ltd's CNI position worth?

Accepted Answer

As of 2026-Q2, TCI Fund Management Ltd's CNI position is worth $1.1B.

Question 3

Is TCI Fund Management Ltd buying or selling CNI?

Accepted Answer

In 2026-Q2, TCI Fund Management Ltd decreased their CNI position (-4.2% change in shares).

Question 4

When did TCI Fund Management Ltd first buy CNI?

Accepted Answer

Based on available 13F filings, TCI Fund Management Ltd first reported a position in CNI in 2024-Q3. They have held the position across 31 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price
2026-Q2 Latest	Decreased	9.4M	-4.2%	$1.1B	2.1%	$119.24
2026-Q1	Unchanged	9.8M	0.0%	$1B	2.2%	$102.21
2025-Q4	Decreased	9.8M	-47.5%	$974.1M	1.8%	$97.70
2025-Q3	Decreased	18.8M	-18.4%	$1.8B	3.4%	$93.20
2025-Q2	Decreased	23M	-14.5%	$2.4B	4.7%	$102.15
2025-Q1	Decreased	26.9M	-9.4%	$2.6B	6.0%	$95.09
2024-Q4	Decreased	29.7M	-16.2%	$3B	7.1%	$98.44
2024-Q3	Decreased	35.4M	-10.3%	$4.2B	9.4%	$112.97