<SEC-DOCUMENT>0001144204-15-010264-index.html : 20150218
<SEC-HEADER>0001144204-15-010264.hdr.sgml : 20150216
<ACCEPTANCE-DATETIME>20150217163757
ACCESSION NUMBER:		0001144204-15-010264
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150217
DATE AS OF CHANGE:		20150217
GROUP MEMBERS:		CITADEL ADVISORS HOLDINGS II LP
GROUP MEMBERS:		CITADEL GP LLC
GROUP MEMBERS:		KENNETH GRIFFIN

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AFFYMETRIX INC
		CENTRAL INDEX KEY:			0000913077
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				770319159
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-48829
		FILM NUMBER:		15623434

	BUSINESS ADDRESS:	
		STREET 1:		3420 CENTRAL EXPRESSWAY
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95051
		BUSINESS PHONE:		4087315000

	MAIL ADDRESS:	
		STREET 1:		3420 CENTRAL EXPRESSWAY
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95051

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CITADEL ADVISORS LLC
		CENTRAL INDEX KEY:			0001423053
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		C/O CITADEL LLC
		STREET 2:		131 S. DEARBORN ST., 32ND FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60603
		BUSINESS PHONE:		312-395-2100

	MAIL ADDRESS:	
		STREET 1:		C/O CITADEL LLC
		STREET 2:		131 S. DEARBORN ST., 32ND FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60603
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>v399231_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: v399231_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>