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ROCKWOOD RESEARCH · A CORPORATE FILINGS WEBSITE|STRAIGHT FROM THE SOURCE · SEC EDGAR|SPONSOREDYour message on this tape — bid on the Rockwood Ad Exchange · Rockwood Ad Exchange|

Rockwood Research

CNI

CANADIAN NATL RY CO

Held by 9 tracked managersEDGAR filings ↗

SHARE:X LINKEDIN EMAIL

i

9 managers · Q2 2026 13F

13F bookWeight

Gates Foundation Trust

Michael LarsonPosition history →

18.0%

—

$6.18B

$34.42B13F book · 2026-06-30

TCI Fund Management

Chris HohnPosition history →

2.1%

(4.2%)

$1.12B

$52.77B13F book · 2026-06-30

Motley Fool Asset Management

Motley Fool Asset ManagementPosition history →

0.22%

(4.2%)

$0.01B

$2.59B13F book · 2026-06-30

Fairfax Financial Holdings

Prem WatsaPosition history →

0.11%

—

$<0.01B

$2.64B13F book · 2026-06-30

Adage Capital Management

Adage Capital ManagementPosition history →

0.09%

(39.8%)

$0.06B

$71.32B13F book · 2026-06-30

Tom GaynerPosition history →

0.05%

—

$0.01B

$13.13B13F book · 2026-06-30

Maverick Capital

Lee AinsliePosition history →

0.03%

+25.1%

$<0.01B

$11.08B13F book · 2026-06-30

Capital World Investors

Capital World InvestorsPosition history →

<0.01%

+35.4%

$<0.01B

$846.43B13F book · 2026-06-30

First Eagle Investment Management

First EaglePosition history →

<0.01%

(2.4%)

$<0.01B

$60.75B13F book · 2026-06-30

Weight = position value ÷ the manager's total 13F long-equity value in the same filing — one definition for every row. “1st obs.” marks a position with no earlier stored 13F to compare against — it is not shown as a purchase.