<SEC-DOCUMENT>0000353480-17-000235-index.html : 20170123
<SEC-HEADER>0000353480-17-000235.hdr.sgml : 20170123
<ACCEPTANCE-DATETIME>20170123141719
ACCESSION NUMBER:		0000353480-17-000235
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170123
DATE AS OF CHANGE:		20170123

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CEMEX SAB DE CV
		CENTRAL INDEX KEY:			0001076378
		STANDARD INDUSTRIAL CLASSIFICATION:	CEMENT, HYDRAULIC [3241]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			O5
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-51236
		FILM NUMBER:		17540609

	BUSINESS ADDRESS:	
		STREET 1:		AVE. CONSTITUTION 444 PTE
		CITY:			MONTERREY, NUEVO LEON
		STATE:			O5
		ZIP:			64000
		BUSINESS PHONE:		52(81)83283000

	MAIL ADDRESS:	
		STREET 1:		AVE. CONSTITUTION 444 PTE
		CITY:			MONTERREY, NUEVO LEON
		STATE:			O5
		ZIP:			64000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CEMEX SA DE CV
		DATE OF NAME CHANGE:	19990810

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Inc.
		CENTRAL INDEX KEY:			0001364742
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				320174431
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055
		BUSINESS PHONE:		212-810-5300

	MAIL ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BlackRock, Inc.
		DATE OF NAME CHANGE:	20060929

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	New BlackRock, Inc.
		DATE OF NAME CHANGE:	20060601
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>cemex.cpo.txt
<TEXT>
Document 1 - file: cemex.cpo.txt

</DOCUMENT>
</SEC-DOCUMENT>