<SEC-DOCUMENT>0000902664-22-000582-index.html : 20220126
<SEC-HEADER>0000902664-22-000582.hdr.sgml : 20220126
<ACCEPTANCE-DATETIME>20220126160514
ACCESSION NUMBER:		0000902664-22-000582
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220126
DATE AS OF CHANGE:		20220126

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CANADIAN NATIONAL RAILWAY CO
		CENTRAL INDEX KEY:			0000016868
		STANDARD INDUSTRIAL CLASSIFICATION:	RAILROADS, LINE-HAUL OPERATING [4011]
		IRS NUMBER:				980018609
		STATE OF INCORPORATION:			A8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-48661
		FILM NUMBER:		22557877

	BUSINESS ADDRESS:	
		STREET 1:		935 DE LA GAUCHETIERE ST W
		STREET 2:		MONTREAL QUEBEC
		CITY:			CANADA
		STATE:			A8
		ZIP:			H3B 2M9
		BUSINESS PHONE:		5143996569

	MAIL ADDRESS:	
		STREET 1:		935 DE LA GAUCHETIERE ST WEST
		STREET 2:		MONTREAL QUEBEC
		CITY:			CANADA H3B 2M9
		STATE:			A8
		ZIP:			00000

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TCI Fund Management Ltd
		CENTRAL INDEX KEY:			0001647251
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			X0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		7 CLIFFORD STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			W1S2FT
		BUSINESS PHONE:		02074402330

	MAIL ADDRESS:	
		STREET 1:		7 CLIFFORD STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			W1S2FT
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>p22-0353sc13da.htm
<DESCRIPTION>CANADIAN NATIONAL RAILWAY COMPANY
<TEXT>
Document 1 - file: p22-0353sc13da.htm

</DOCUMENT>
</SEC-DOCUMENT>