<SEC-DOCUMENT>0000936753-23-000027-index.html : 20230214
<SEC-HEADER>0000936753-23-000027.hdr.sgml : 20230214
<ACCEPTANCE-DATETIME>20230214091754
ACCESSION NUMBER:		0000936753-23-000027
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230214
DATE AS OF CHANGE:		20230214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Equity Commonwealth
		CENTRAL INDEX KEY:			0000803649
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				046558834
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-37896
		FILM NUMBER:		23623321

	BUSINESS ADDRESS:	
		STREET 1:		TWO NORTH RIVERSIDE PLAZA
		STREET 2:		SUITE 2100
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312.646.2800

	MAIL ADDRESS:	
		STREET 1:		TWO NORTH RIVERSIDE PLAZA
		STREET 2:		SUITE 2100
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CommonWealth REIT
		DATE OF NAME CHANGE:	20100702

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HRPT PROPERTIES TRUST
		DATE OF NAME CHANGE:	19980701

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEALTH & RETIREMENT PROPERTIES TRUST
		DATE OF NAME CHANGE:	19940811

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARIEL INVESTMENTS, LLC
		CENTRAL INDEX KEY:			0000936753
		IRS NUMBER:				020712418
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		200 EAST RANDOLPH STREET
		STREET 2:		SUITE 2900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
		BUSINESS PHONE:		(312) 726-0140

	MAIL ADDRESS:	
		STREET 1:		200 EAST RANDOLPH STREET
		STREET 2:		SUITE 2900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARIEL CAPITAL MANAGEMENT LLC
		DATE OF NAME CHANGE:	20040218

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARIEL CAPITAL MANAGEMENT INC
		DATE OF NAME CHANGE:	19950202
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>1_EQC.txt
<DESCRIPTION>SC13G EQUITY COMMONWEALTH 12.22
<TEXT>
Document 1 - file: 1_EQC.txt

</DOCUMENT>
</SEC-DOCUMENT>