Marshall Wace

Marshall Wace as of March 31, 2013

Portfolio Holdings for Marshall Wace

Marshall Wace holds 0 positions in its portfolio as reported in the March 2013 quarterly 13F filing

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                                                                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	3SBIO INC-ADR		ADR		88575Y105	619	40691	SH	 	SOLE	0	40691	0	0
D	ADT CORP/THE		COMMON STOCK	00101J106	14807	302557	SH	 	SOLE	0	302557	0	0
D	ADVANCE AUTO PAR	COMMON STOCK	00751Y106	8544	103378	SH	 	SOLE	0	103378	0	0
D	AIRGAS INC		COMMON STOCK	009363102	12024	121257	SH	 	SOLE	0	121257	0	0
D	AMER GREETINGS-A	COMMON STOCK	026375105	475	29490	SH	 	SOLE	0	29490	0	0
D	AMERICAN EXPRESS	COMMON STOCK	025816109	4001	59309	SH	 	SOLE	0	59309	0	0
D	AMERISTAR CASINO	COMMON STOCK	03070Q101	500	19080	SH	 	SOLE	0	19080	0	0
D	APOLLO RESIDENTI	REIT		03763V102	265	11874	SH	 	SOLE	0	11874	0	0
D	ARBITRON INC		COMMON STOCK	03875Q108	800	17066	SH	 	SOLE	0	17066	0	0
D	ASHLAND INC		COMMON STOCK	044209104	14382	193565	SH	 	SOLE	0	193565	0	0
D	AUTOZONE INC		COMMON STOCK	053332102	22860	57614	SH	 	SOLE	0	57614	0	0
D	AXIALL CORP		COMMON STOCK	05463D100	6805	109478	SH	 	SOLE	0	109478	0	0
D	BALL CORP		COMMON STOCK	058498106	10879	228636	SH	 	SOLE	0	228636	0	0
D	BEAM INC		COMMON STOCK	073730103	13940	219387	SH	 	SOLE	0	219387	0	0
D	BOISE CASCADE CO	COMMON STOCK	09739D100	285	8391	SH	 	SOLE	0	8391	0	0
D	BRIGHT HORIZONS		COMMON STOCK	109194100	192	5685	SH	 	SOLE	0	5685	0	0
D	BROWN-FORMAN -B		COMMON STOCK	115637209	12566	175990	SH	 	SOLE	0	175990	0	0
D	CALUMET SPECIALT	MLP		131476103	5584	149903	SH	 	SOLE	0	149903	0	0
D	CAMPUS CREST COM	REIT		13466Y105	220	15815	SH	 	SOLE	0	15815	0	0
D	CANADIAN PACIFIC	COMMON STOCK	13645T100	19054	146042	SH	 	SOLE	0	146042	0	0
D	CARNIVAL CORP		COMMON STOCK	143658300	335	9757	SH	 	SOLE	0	9757	0	0
D	CERVEZAS-ADR		ADR		204429104	9561	289041	SH	 	SOLE	0	289041	0	0
D	CHECK POINT SOFT	COMMON STOCK	M22465104	8623	183506	SH	 	SOLE	0	183506	0	0
D	CITIGROUP INC		COMMON STOCK	172967424	88224	1994217	SH	 	SOLE	0	1994217	0	0
D	CITIZENS REPUBLI	COMMON STOCK	174420307	428	19000	SH	 	SOLE	0	19000	0	0
D	CITRIX SYSTEMS		COMMON STOCK	177376100	5986	82964	SH	 	SOLE	0	82964	0	0
D	CLEARWIRE -CL A		COMMON STOCK	18538Q105	307	94786	SH	 	SOLE	0	94786	0	0
D	COMCAST CORP-A		COMMON STOCK	20030N101	19790	471421	SH	 	SOLE	0	471421	0	0
D	COVENTRY HEALTH		COMMON STOCK	222862104	658	14000	SH	 	SOLE	0	14000	0	0
D	CREDICORP LTD		COMMON STOCK	G2519Y108	12353	74391	SH	 	SOLE	0	74391	0	0
D	CTC MEDIA INC		COMMON STOCK	12642X106	2267	192296	SH	 	SOLE	0	192296	0	0
D	CYRUSONE INC		REIT		23283R100	243	10626	SH	 	SOLE	0	10626	0	0
D	DISCOVERY COMM-C	COMMON STOCK	25470F302	2997	43104	SH	 	SOLE	0	43104	0	0
D	DOLLAR GENERAL C	COMMON STOCK	256677105	5903	116700	SH	 	SOLE	0	116700	0	0
D	DRESSER-RAND GRO	COMMON STOCK	261608103	5343	86655	SH	 	SOLE	0	86655	0	0
D	EATON CORP PLC		COMMON STOCK	278058102	3002	49007	SH	 	SOLE	0	49007	0	0
D	EBAY INC		COMMON STOCK	278642103	4144	76435	SH	 	SOLE	0	76435	0	0
D	EMC CORP/MA		COMMON STOCK	268648102	4774	199828	SH	 	SOLE	0	199828	0	0
D	ENERSIS SA-ADR		ADR		29274F104	778	40431	SH	 	SOLE	0	40431	0	0
D	ENSCO PLC-CL A		COMMON STOCK	29358Q109	2848	47469	SH	 	SOLE	0	47469	0	0
D	EQT CORP		COMMON STOCK	26884L109	2532	37371	SH	 	SOLE	0	37371	0	0
D	EQT MIDSTREAM PA	MLP		26885B100	2357	60735	SH	 	SOLE	0	60735	0	0
D	EQUIFAX INC		COMMON STOCK	294429105	19816	344091	SH	 	SOLE	0	344091	0	0
D	EXELON CORP		COMMON STOCK	30161N101	11659	338127	SH	 	SOLE	0	338127	0	0
D	FEDEX CORP		COMMON STOCK	31428X106	20590	209675	SH	 	SOLE	0	209675	0	0
D	FIDELITY NATIONA	COMMON STOCK	31620M106	20508	517621	SH	 	SOLE	0	517621	0	0
D	FLOWSERVE CORP		COMMON STOCK	34354P105	7466	44517	SH	 	SOLE	0	44517	0	0
D	FMC CORP		COMMON STOCK	302491303	20157	353438	SH	 	SOLE	0	353438	0	0
D	FOCUS MEDIA-ADR		ADR		34415V109	1211	45180	SH	 	SOLE	0	45180	0	0
D	FRANKLIN RES INC	COMMON STOCK	354613101	23210	153904	SH	 	SOLE	0	153904	0	0
D	GOOGLE INC-CL A		COMMON STOCK	38259P508	6284	7912	SH	 	SOLE	0	7912	0	0
D	GRUPO F SA-ADR B	ADR		40053C105	11088	718622	SH	 	SOLE	0	718622	0	0
D	HERSHEY CO/THE		COMMON STOCK	427866108	15917	181848	SH	 	SOLE	0	181848	0	0
D	HEWLETT-PACKARD		COMMON STOCK	428236103	3976	166759	SH	 	SOLE	0	166759	0	0
D	HUDSON CITY BNCP	COMMON STOCK	443683107	864	100000	SH	 	SOLE	0	100000	0	0
D	INGERSOLL-RAND		COMMON STOCK	G47791101	30982	563209	SH	 	SOLE	0	563209	0	0
D	INTERMEC INC		COMMON STOCK	458786100	595	60575	SH	 	SOLE	0	60575	0	0
D	INTL FLVR & FRAG	COMMON STOCK	459506101	16599	216496	SH	 	SOLE	0	216496	0	0
D	ISHARES FT/XI CH	ETP		464287184	52947	1433702	SH	 	SOLE	0	1433702	0	0
D	ITT CORP		COMMON STOCK	450911201	7648	269018	SH	 	SOLE	0	269018	0	0
D	JACK IN THE BOX		COMMON STOCK	466367109	6068	175437	SH	 	SOLE	0	175437	0	0
D	LIBERTY GLOBAL-A	COMMON STOCK	530555101	34476	469828	SH	 	SOLE	0	469828	0	0
D	LYONDELLBASELL-A	COMMON STOCK	N53745100	34513	545311	SH	 	SOLE	0	545311	0	0
D	MICRON TECH		COMMON STOCK	595112103	40690	4079235	SH	 	SOLE	0	4079235	0	0
D	MONDELEZ INTER-A	COMMON STOCK	609207105	56239	1836976	SH	 	SOLE	0	1836976	0	0
D	MONSANTO CO		COMMON STOCK	61166W101	14508	137345	SH	 	SOLE	0	137345	0	0
D	MOSAIC CO/THE		COMMON STOCK	61945C103	35727	599345	SH	 	SOLE	0	599345	0	0
D	MURPHY OIL CORP		COMMON STOCK	626717102	7496	117619	SH	 	SOLE	0	117619	0	0
D	NABORS INDS LTD		COMMON STOCK	G6359F103	4196	258664	SH	 	SOLE	0	258664	0	0
D	NATL OILWELL VAR	COMMON STOCK	637071101	6809	96244	SH	 	SOLE	0	96244	0	0
D	NEWS CORP-A		COMMON STOCK	65248E104	38169	1251044	SH	 	SOLE	0	1251044	0	0
D	NORWEGIAN CRUISE	COMMON STOCK	G66721104	244	8231	SH	 	SOLE	0	8231	0	0
D	NYSE EURONEXT		COMMON STOCK	629491101	519	13435	SH	 	SOLE	0	13435	0	0
D	OREILLY AUTOMOT		COMMON STOCK	67103H107	9675	94442	SH	 	SOLE	0	94442	0	0
D	PETROLOGISTICS L	MLP		71672U101	7234	524999	SH	 	SOLE	0	524999	0	0
D	PHILLIPS 66		COMMON STOCK	718546104	27096	387249	SH	 	SOLE	0	387249	0	0
D	POLYONE CORP		COMMON STOCK	73179P106	37233	1525315	SH	 	SOLE	0	1525315	0	0
D	PPG INDS INC		COMMON STOCK	693506107	23945	178772	SH	 	SOLE	0	178772	0	0
D	PRAXAIR INC		COMMON STOCK	74005P104	26885	241031	SH	 	SOLE	0	241031	0	0
D	RAMCO-GERSHENSON	REIT		751452202	355	21116	SH	 	SOLE	0	21116	0	0
D	RDA MICROELE-ADR	ADR		749394102	1262	136450	SH	 	SOLE	0	136450	0	0
D	ROCKWELL AUTOMAT	COMMON STOCK	773903109	27845	322466	SH	 	SOLE	0	322466	0	0
D	ROCKWOOD HOLDING	COMMON STOCK	774415103	6368	97318	SH	 	SOLE	0	97318	0	0
D	ROWAN COMPANIE-A	COMMON STOCK	779382100	5237	148094	SH	 	SOLE	0	148094	0	0
D	RYANAIR HLDG-ADR	ADR		783513104	3653	87430	SH	 	SOLE	0	87430	0	0
D	SANDISK CORP		COMMON STOCK	80004C101	6859	124796	SH	 	SOLE	0	124796	0	0
D	SCORPIO TANKERS		COMMON STOCK	Y7542C106	1047	117419	SH	 	SOLE	0	117419	0	0
D	SCOTTS MIRACLE-A	COMMON STOCK	810186106	9884	228592	SH	 	SOLE	0	228592	0	0
D	SENSIENT TECHNOL	COMMON STOCK	81725T100	3534	90412	SH	 	SOLE	0	90412	0	0
D	SIGMA-ALDRICH		COMMON STOCK	826552101	11236	144699	SH	 	SOLE	0	144699	0	0
D	SILVER BAY REALT	REIT		82735Q102	239	11527	SH	 	SOLE	0	11527	0	0
D	SOLARCITY CORP		COMMON STOCK	83416T100	289	15295	SH	 	SOLE	0	15295	0	0
D	SOUTHWEST AIR		COMMON STOCK	844741108	23513	1744285	SH	 	SOLE	0	1744285	0	0
D	SPANSION INC-A		COMMON STOCK	84649R200	1593	123809	SH	 	SOLE	0	123809	0	0
D	SPDR-CONS STAPLE	ETP		81369Y308	257	6474	SH	 	SOLE	0	6474	0	0
D	SPRINT NEXTEL CO	COMMON STOCK	852061100	16813	2707467	SH	 	SOLE	0	2707467	0	0
D	STIFEL FINANCIAL	COMMON STOCK	860630102	500	14415	SH	 	SOLE	0	14415	0	0
D	TARGA RESOURCES		COMMON STOCK	87612G101	5434	79953	SH	 	SOLE	0	79953	0	0
D	TESORO CORP		COMMON STOCK	881609101	6603	112770	SH	 	SOLE	0	112770	0	0
D	TIME WARNER CABL	COMMON STOCK	88732J207	5586	58153	SH	 	SOLE	0	58153	0	0
D	TIME WARNER INC		COMMON STOCK	887317303	33740	585568	SH	 	SOLE	0	585568	0	0
D	T-MOBILE US INC		COMMON STOCK	872590104	8470	777069	SH	 	SOLE	0	777069	0	0
D	TOWER GROUP INTE	COMMON STOCK	G8988C105	298	16138	SH	 	SOLE	0	16138	0	0
D	TRANSCANADA CORP	COMMON STOCK	89353D107	9619	201805	SH	 	SOLE	0	201805	0	0
D	TRANSOCEAN LTD		COMMON STOCK	H8817H100	15893	305876	SH	 	SOLE	0	305876	0	0
D	TYCO INTL LTD		COMMON STOCK	H89128104	14786	462053	SH	 	SOLE	0	462053	0	0
D	UNION PAC CORP		COMMON STOCK	907818108	16637	116823	SH	 	SOLE	0	116823	0	0
D	UNITED CONTINENT	COMMON STOCK	910047109	27432	856976	SH	 	SOLE	0	856976	0	0
D	UNITED TECH CORP	COMMON STOCK	913017109	13568	145219	SH	 	SOLE	0	145219	0	0
D	VERISK ANALYTI-A	COMMON STOCK	92345Y106	10265	166587	SH	 	SOLE	0	166587	0	0
D	VIRGIN MEDIA INC	COMMON STOCK	92769L101	130672	2668411	SH	 	SOLE	0	2668411	0	0
D	VISA INC-CLASS A	COMMON STOCK	92826C839	8057	47436	SH	 	SOLE	0	47436	0	0
D	WALT DISNEY CO		COMMON STOCK	254687106	31415	553084	SH	 	SOLE	0	553084	0	0
D	WESTLAKE CHEMICA	COMMON STOCK	960413102	4242	45365	SH	 	SOLE	0	45365	0	0
D	WYNDHAM WORLDWID	COMMON STOCK	98310W108	9406	145881	SH	 	SOLE	0	145881	0	0
D	XILINX INC		COMMON STOCK	983919101	4465	116968	SH	 	SOLE	0	116968	0	0
D	XYLEM INC		COMMON STOCK	98419M100	5600	203182	SH	 	SOLE	0	203182	0	0
D	YUM! BRANDS INC		COMMON STOCK	988498101	11026	153270	SH	 	SOLE	0	153270	0	0
D	ZHONGPIN INC		COMMON STOCK	98952K107	605	46929	SH	 	SOLE	0	46929	0	0
D	ZOETIS INC		COMMON STOCK	98978V103	271	8128	SH	 	SOLE	0	8128	0	0
	S REPORT SUMMARY                120 DATA RECORDS              0 OTHER MANAGERS ON WHOSE BEHALF REPORT IS FILED