Marshall Wace as of March 31, 2012

                {C}               {C}
                                                                FORM 13F INFORMATION TABLE
                                                               VALUE     SHARES/ SH/ PUT/     INVSTMT   OTHER     VOTING AUTHORITY
        NAME OF ISSUER      TITLE OF CLASS     CUSIP        x($1000)  	 PRN AMT  PRN CALL    DISCRETN MANAGERS SOLE  SHARED  NONE
  ---------------------------- ---------------- --------- 	-------- -------- --- ----   -------- --------- -------- -------- -
D	ALCATEL-LUCE-ADR	ADRS STOCK	013904305	1407	619775	SH		SOLE	0	619775	0	0
D	ALCOA INC		COMMON STOCK	013817101	3007	300090	SH		SOLE	0	300090	0	0
D	AMBEV-PRF ADR		ADRS STOCK	20441W203	4415	106848	SH		SOLE	0	106848	0	0
D	APPLE INC		COMMON STOCK	037833100	9208	15359	SH		SOLE	0	15359	0	0
D	ARM HOLDINGS-ADR	ADRS STOCK	042068106	1520	53714	SH		SOLE	0	53714	0	0
D	ASIAINFO-LINKAGE	COMMON STOCK	04518A104	14	1111	SH		SOLE	0	1111	0	0
D	BAIDU INC-SP ADR	ADRS STOCK	056752108	1807	12396	SH		SOLE	0	12396	0	0
D	BANK NY MELLON		COMMON STOCK	064058100	8117	336369	SH		SOLE	0	336369	0	0
D	BEAM INC		COMMON STOCK	073730103	12787	218328	SH		SOLE	0	218328	0	0
D	BHP BILLITON ADR	ADRS STOCK	05545E209	2524	41115	SH		SOLE	0	41115	0	0
D	BMC SOFTWARE INC	COMMON STOCK	055921100	1991	49582	SH		SOLE	0	49582	0	0
D	BROWN-FORMAN -B		COMMON STOCK	115637209	3292	39480	SH		SOLE	0	39480	0	0
D	CERVEZAS-ADR		ADRS STOCK	204429104	2090	26563	SH		SOLE	0	26563	0	0
D	CIENA CORP		COMMON STOCK	171779309	2007	123954	SH		SOLE	0	123954	0	0
D	CISCO SYSTEMS		COMMON STOCK	17275R102	1748	82635	SH		SOLE	1	82635	0	0
D	CITIGROUP INC		COMMON STOCK	172967424	20441	559260	SH		SOLE	2	559260	0	0
D	CITRIX SYSTEMS		COMMON STOCK	177376100	1300	16474	SH		SOLE	3	16474	0	0
D	CSX CORP		COMMON STOCK	126408103	11772	547038	SH		SOLE	4	547038	0	0
D	CTC MEDIA INC		COMMON STOCK	12642X106	1275	109595	SH		SOLE	5	109595	0	0
D	DIRECTV-A		COMMON STOCK	25490A101	1223	24791	SH		SOLE	6	24791	0	0
D	DR PEPPER SNAPPL	COMMON STOCK	26138E109	4318	107384	SH		SOLE	8	107384	0	0
D	EBAY INC		COMMON STOCK	278642103	33	884	SH		SOLE	9	884	0	0
D	FEDEX CORP		COMMON STOCK	31428X106	12949	140815	SH		SOLE	10	140815	0	0
D	FIDELITY NATIONA	COMMON STOCK	31620M106	10768	325124	SH		SOLE	11	325124	0	0
D	FLOWSERVE CORP		COMMON STOCK	34354P105	4581	39662	SH		SOLE	12	39662	0	0
D	FMC CORP		COMMON STOCK	302491303	3820	36087	SH		SOLE	13	36087	0	0
D	FORTINET INC		COMMON STOCK	34959E109	1714	61977	SH		SOLE	14	61977	0	0
D	FREEPORT-MCMORAN	COMMON STOCK	35671D857	3175	83475	SH		SOLE	15	83475	0	0
D	GOODRICH CORP		COMMON STOCK	382388106	106	847	SH		SOLE	16	847	0	0
D	GOOGLE INC-CL A		COMMON STOCK	38259P508	49594	77341	SH		SOLE	17	77341	0	0
D	HEWLETT-PACKARD		COMMON STOCK	428236103	2462	103295	SH		SOLE	18	103295	0	0
D	JUNIPER NETWORKS	COMMON STOCK	48203R104	6450	281912	SH		SOLE	19	281912	0	0
D	KANSAS CITY SOUT	COMMON STOCK	485170302	5261	73384	SH		SOLE	20	73384	0	0
D	KRAFT FOODS INC		COMMON STOCK	50075N104	12174	320294	SH		SOLE	21	320294	0	0
D	LINKEDIN CORP-A		COMMON STOCK	53578A108	843	8264	SH		SOLE	22	8264	0	0
D	LYONDELLBASELL-A	COMMON STOCK	NL0009434992	5303	121490	SH		SOLE	23	121490	0	0
D	MASTERCARD INC-A	COMMON STOCK	57636Q104	7010	16669	SH		SOLE	24	16669	0	0
D	MCDONALDS CORP		COMMON STOCK	580135101	12161	123970	SH		SOLE	25	123970	0	0
D	MEAD JOHNSON		COMMON STOCK	582839106	15496	187876	SH		SOLE	26	187876	0	0
D	MEDCO HEALTH SOL	COMMON STOCK	58405U102	119	1696	SH		SOLE	27	1696	0	0
D	METLIFE INC		COMMON STOCK	59156R108	3634	97301	SH		SOLE	28	97301	0	0
D	MICRON TECH		COMMON STOCK	595112103	1672	206591	SH		SOLE	29	206591	0	0
D	MICROSOFT CORP		COMMON STOCK	594918104	1739	53922	SH		SOLE	30	53922	0	0
D	MORGAN STANLEY		COMMON STOCK	617446448	21755	1107678	SH		SOLE	32	1107678	0	0
D	MOSAIC CO/THE		COMMON STOCK	61945C103	18021	325929	SH		SOLE	33	325929	0	0
D	MOTOROLA MOBILIT	COMMON STOCK	620097105	661	16854	SH		SOLE	34	16854	0	0
D	NEWS CORP-A		COMMON STOCK	65248E104	12848	651858	SH		SOLE	35	651858	0	0
D	NIKE INC -CL B		COMMON STOCK	654106103	5399	49790	SH		SOLE	36	49790	0	0
D	NOVARTIS AG-ADR		ADRS STOCK	66987V109	16021	289137	SH		SOLE	37	289137	0	0
D	OCZ TECHNOLOGY		COMMON STOCK	67086E303	2980	426978	SH		SOLE	38	426978	0	0
D	ON SEMICONDUCTOR	COMMON STOCK	682189105	1489	165273	SH		SOLE	39	165273	0	0
D	OPENTABLE INC		COMMON STOCK	68372A104	1171	28924	SH		SOLE	40	28924	0	0
D	ORACLE CORP		COMMON STOCK	68389X105	3614	123954	SH		SOLE	41	123954	0	0
D	POLYCOM INC		COMMON STOCK	73172K104	1497	78505	SH		SOLE	42	78505	0	0
D	POTASH CORP SAS		COMMON STOCK	73755L107	13876	303697	SH		SOLE	43	303697	0	0
D	PRAXAIR INC		COMMON STOCK	74005P104	8649	75447	SH		SOLE	44	75447	0	0
D	QUALCOMM INC		COMMON STOCK	747525103	28895	424555	SH		SOLE	45	424555	0	0
D	ROCKWELL AUTOMAT	COMMON STOCK	773903109	7806	97939	SH		SOLE	46	97939	0	0
D	SENSIENT TECHNOL	COMMON STOCK	81725T100	4144	109060	SH		SOLE	47	109060	0	0
D	SONUS NETWORKS		COMMON STOCK	835916107	1198	413183	SH		SOLE	48	413183	0	0
D	SPRINT NEXTEL CO	COMMON STOCK	852061100	1413	495820	SH		SOLE	49	495820	0	0
D	STILLWATER MININ	COMMON STOCK	86074Q102	1608	127228	SH		SOLE	50	127228	0	0
D	TAKE-TWO INTERAC	COMMON STOCK	874054109	954	61977	SH		SOLE	51	61977	0	0
D	TUDOU HOLDINGS L	ADRS STOCK	89903T107	14	479	SH		SOLE	52	479	0	0
D	UNION PAC CORP		COMMON STOCK	907818108	9834	91498	SH		SOLE	53	91498	0	0
D	VERISK ANALYTI-A	COMMON STOCK	92345Y106	6418	136631	SH		SOLE	54	136631	0	0
D	VIRGIN MEDIA INC	COMMON STOCK	92769L101	30004	1201135	SH		SOLE	55	1201135	0	0
D	VISA INC-CLASS A	COMMON STOCK	92826C839	30562	258998	SH		SOLE	56	258998	0	0
D	VMWARE INC-CL A		COMMON STOCK	928563402	4579	40749	SH		SOLE	57	40749	0	0
D	WALT DISNEY CO		COMMON STOCK	254687106	11203	255898	SH		SOLE	58	255898	0	0
D	YUM! BRANDS INC		COMMON STOCK	988498101	20669	290379	SH		SOLE	59	290379	0	0
D	ZILLOW INC		COMMON STOCK	98954A107	1176	33055	SH		SOLE	60	33055	0	0
	S REPORT SUMMARY                72 DATA RECORDS              0 OTHER MANAGERS ON WHOSE BEHALF REPORT IS FILED