Canadian National Railway Co (CNI) SEC Filings 2026: 10-K, 10-Q, 8-K, Insider Trading

CNI at a glance

As of June 30, 2026, 38 institutional investment managers tracked by SignalX reported holding Canadian National Railway Co (CNI) shares worth $11.3 billion in 13F-HR filings.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Insiders · 90 days: 0 buys · 0 sells; No open-market trades
13F holders: 38 funds; $11.3B · +0 vs prior quarter

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13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate CNI share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table

CNI shares held by 13F filers tracked by SignalX, by quarter
Quarter	Funds	Total value
Q2 2026	38	$11.30B
Q1 2026	38	$9.83B
Q4 2025	38	$10.44B
Q3 2025	38	$10.65B
Q2 2025	40	$11.49B
Q1 2025	34	$10.70B
Q4 2024	31	$10.27B
Q3 2024	30	$8.71B

Position changes: Q1 2026 → Q2 2026

Top Buyers

Morgan Stanley+1.01M (+38%)
Two Sigma Investments+974.8K (+230%)
Goldman Sachs Group+429.6K (+16%)
AQR Capital Management+274.6K (+24%)
Vanguard Capital Management LLC+120.1K (+1%)

Top Sellers

Citadel Advisors LLC−1.53M (-99%)
Invesco Ltd−512.7K (-49%)
Millennium Management−477.2K (-50%)
T. Rowe Price Group−424.3K (-7%)
Renaissance Technologies LLC−414.4K (-90%)

New Positions

OLD NATIONAL BANCORP /IN/+1.8K

Closed Positions

HANCOCK WHITNEY CORP−4.8K

Source: 13F-HR filings on SEC EDGAR (aggregated from 287 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

Form	Filing date	Period	Analysis	SEC
6-K	Aug 25, 2026	-	-	-
6-K	Jul 24, 2026	-	-	-
6-K	Jul 23, 2026	-	-	-
6-K	Jul 23, 2026	-	-	-
6-K	May 8, 2026	-	-
6-K	May 1, 2026	-	-	-
6-K	May 1, 2026	-	-	-
6-K	Apr 29, 2026	-	-	-
6-K	Apr 29, 2026	-	-	-
6-K	Mar 25, 2026	-	-	-
6-K	Mar 25, 2026	-	-	-
40-F	Feb 4, 2026	Dec 31, 2025	-
40-F	Feb 4, 2025	Dec 31, 2024	-
40-F	Jan 31, 2024	Dec 31, 2023	-
40-F	Jan 31, 2023	Dec 31, 2022	-
40-F	Feb 1, 2022	Dec 31, 2021	-
40-F	Feb 1, 2021	Dec 31, 2020	-
40-F	Feb 3, 2020	Dec 31, 2019	-
40-F	Feb 1, 2019	Dec 31, 2018	-
40-F	Jan 31, 2018	Dec 31, 2017	-
40-F	Feb 1, 2017	Dec 31, 2016	-
40-F	Feb 1, 2016	Dec 31, 2015	-
40-F	Feb 2, 2015	Dec 31, 2014	-
40-F	Feb 3, 2014	Dec 31, 2013	-
40-F	Feb 1, 2013	Dec 31, 2012	-

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CNI SEC filings: frequently asked questions

Which institutions hold CNI stock?

As of June 30, 2026, the largest Canadian National Railway Co (CNI) holders among the 13F filers tracked by SignalX were Gates Foundation Trust ($6.2 billion), Vanguard Capital Management LLC ($1.9 billion), T. Rowe Price Group ($721.7 million), Morgan Stanley ($438.2 million), Goldman Sachs Group ($373.1 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What is CNI's SEC CIK number?

Canadian National Railway Co (CNI)'s SEC Central Index Key (CIK) is 16868. EDGAR lists every CNI filing under that number.

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