RENAISSANCE TECHNOLOGIES LLC

800 Third Ave, New York, New York, 10022, (212) 486-6780

Report Date: 03/31/2013

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

Company	Class	Value of Shares ($1,000s)	Change in Value ($1,000s)	Change (%)	Shares Held
1 800 FLOWERS COM	CL A	5,420	138	2.61	907,847
7 DAYS GROUP HLDGS LTD	ADR	6,877	3,222	88.15	502,359
AAON INC	COM PAR $0.004	527	167	46.41	16,000
ABBVIE INC	COM	105,711	83,283	371.35	2,427,900
ACADIA RLTY TR	COM SH BEN INT	1,175	917	355.96	45,601
ACCESS MIDSTREAM PARTNERS L P	UNIT	17,264	5,701	49.31	368,800
ACCESS NATL CORP	COM	937	137	17.05	72,100
ACI WORLDWIDE INC	COM	1,600	1,600	New	35,711
ACME UTD CORP	COM	730	13	1.83	55,700
ACORN INTL INC	SPON ADR	408	6	1.43	170,002
ACTAVIS INC	COM	32,611	28,590	710.94	259,500
ACTIONS SEMICONDUCTOR CO LTD	ADR	4,996	98	2.01	1,649,000
ACTIVE NETWORK INC	COM	6,852	4,503	191.64	966,500
ACTIVISION BLIZZARD INC	COM	86,203	51,766	150.32	5,908,376
ADAMS RES & ENERGY INC	COM NEW	14,365	165	1.16	209,400
ADDUS HOMECARE CORP	COM	525	525	New	25,800
ADECOAGRO S A	COM	1,274	1,274	New	182,061
ADMINISTRADORA FONDOS PENSIONE	SPONSORED ADR	24,574	839	3.53	281,300
ADOBE SYS INC	COM	5,945	5,945	New	137,100
ADVANCE AUTO PARTS INC	COM	53,122	13,457	33.93	634,750