<SEC-DOCUMENT>0000053417-15-000158-index.html : 20150211
<SEC-HEADER>0000053417-15-000158.hdr.sgml : 20150211
<ACCEPTANCE-DATETIME>20150211163423
ACCESSION NUMBER:		0000053417-15-000158
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150211
DATE AS OF CHANGE:		20150211

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CymaBay Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001042074
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				943103561
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87950
		FILM NUMBER:		15600003

	BUSINESS ADDRESS:	
		STREET 1:		7999 GATEWAY BLVD
		STREET 2:		SUITE 130
		CITY:			NEWARK
		STATE:			CA
		ZIP:			94560
		BUSINESS PHONE:		510-293-8800

	MAIL ADDRESS:	
		STREET 1:		7999 GATEWAY BLVD
		STREET 2:		SUITE 130
		CITY:			NEWARK
		STATE:			CA
		ZIP:			94560

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	METABOLEX, INC.
		DATE OF NAME CHANGE:	20090721

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	METABOLEX INC
		DATE OF NAME CHANGE:	19970710

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JENNISON ASSOCIATES LLC
		CENTRAL INDEX KEY:			0000053417
		IRS NUMBER:				132631108
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		466 LEXINGTON AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2124211000

	MAIL ADDRESS:	
		STREET 1:		466 LEXINGTON AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	JENNISON ASSOCIATES CAPITAL CORP
		DATE OF NAME CHANGE:	19940511
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>cbay1214.txt
<DESCRIPTION>13G INITIAL ANNUAL FILING - CBAY
<TEXT>
Document 1 - file: cbay1214.txt

</DOCUMENT>
</SEC-DOCUMENT>