<SEC-DOCUMENT>0000902664-21-001361-index.html : 20210216
<SEC-HEADER>0000902664-21-001361.hdr.sgml : 20210216
<ACCEPTANCE-DATETIME>20210216095510
ACCESSION NUMBER:		0000902664-21-001361
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210216
DATE AS OF CHANGE:		20210216

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BOSTON PROPERTIES INC
		CENTRAL INDEX KEY:			0001037540
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				042473675
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-52709
		FILM NUMBER:		21633660

	BUSINESS ADDRESS:	
		STREET 1:		800 BOYLSTON STREET
		STREET 2:		SUITE 1900
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		6172363300

	MAIL ADDRESS:	
		STREET 1:		800 BOYLSTON STREET
		STREET 2:		SUITE 1900
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

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 13G

	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 13G
<SEQUENCE>1
<FILENAME>p21-0496sc13g.htm
<DESCRIPTION>BOSTON PROPERTIES, INC.
<TEXT>
Document 1 - file: p21-0496sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>