Marshall Wace

Marshall Wace as of Dec. 31, 2012

Portfolio Holdings for Marshall Wace

Marshall Wace holds 0 positions in its portfolio as reported in the December 2012 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	ABBOTT LABS		COMMON STOCK	002824100	483	7380	SH		SOLE	0	7380	0	0
D	ADT CORP/THE		COMMON STOCK	00101J106	8113	174513	SH		SOLE	0	174513	0	0
D	ADVANCE AUTO PAR	COMMON STOCK	00751Y106	4314	59628	SH		SOLE	0	59628	0	0
D	AMER GREETINGS-A	COMMON STOCK	026375105	121	7143	SH		SOLE	0	7143	0	0
D	ANCESTRY.COM INC	COMMON STOCK	032803108	148	4626	SH		SOLE	0	4626	0	0
D	ASIAINFO-LINKAGE	COMMON STOCK	04518A104	5	456	SH		SOLE	0	456	0	0
D	ASML HOLDING-NY		NY REG SHRS	USN070592100	49	766	SH		SOLE	0	766	0	0
D	AUTOZONE INC		COMMON STOCK	053332102	8488	23948	SH		SOLE	0	23948	0	0
D	AVON PRODUCTS		COMMON STOCK	054303102	350	24350	SH		SOLE	0	24350	0	0
D	BANK OF AMERICA		COMMON STOCK	060505104	4901	422173	SH		SOLE	0	422173	0	0
D	BEAM INC		COMMON STOCK	073730103	7730	126542	SH		SOLE	0	126542	0	0
D	BEST BUY CO INC		COMMON STOCK	086516101	270	22752	SH		SOLE	0	22752	0	0
D	BHP BILLITON ADR	ADR		088606108	34	437	SH		SOLE	0	437	0	0
D	BROWN-FORMAN -B		COMMON STOCK	115637209	4557	72041	SH		SOLE	0	72041	0	0
D	CAPITAL ONE FINA	COMMON STOCK	14040H105	6406	110584	SH		SOLE	0	110584	0	0
D	CARNIVAL CORP		COMMON STOCK	143658300	555	15084	SH		SOLE	0	15084	0	0
D	CERVEZAS-ADR		ADR		204429104	5273	166717	SH		SOLE	0	166717	0	0
D	CHECK POINT SOFT	COMMON STOCK	IL0010824113	6416	134667	SH		SOLE	0	134667	0	0
D	CITIGROUP INC		COMMON STOCK	172967424	81694	2065077	SH		SOLE	0	2065077	0	0
D	CITIZENS REPUBLI	COMMON STOCK	174420307	87	4601	SH		SOLE	0	4601	0	0
D	COPPER FUTURE Mar13	FUTURE.		HGH3		18	49	SH		SOLE	0	49	0	0
D	CORELOGIC INC		COMMON STOCK	21871D103	6707	249135	SH		SOLE	0	249135	0	0
D	COVENTRY HEALTH		COMMON STOCK	222862104	152	3391	SH		SOLE	0	3391	0	0
D	CREDICORP LTD		COMMON STOCK	BMG2519Y1084	6904	47105	SH		SOLE	0	47105	0	0
D	EQUIFAX INC		COMMON STOCK	294429105	10184	188172	SH		SOLE	0	188172	0	0
D	FIDELITY NATIONA	COMMON STOCK	31620M106	5363	154079	SH		SOLE	0	154079	0	0
D	FIRST CAL FIN GR	COMMON STOCK	319395109	71	9190	SH		SOLE	0	9190	0	0
D	FLOWSERVE CORP		COMMON STOCK	34354P105	3769	25677	SH		SOLE	0	25677	0	0
D	FOCUS MEDIA-ADR		ADR		34415V109	209	8151	SH		SOLE	0	8151	0	0
D	FRANKLIN RES INC	COMMON STOCK	354613101	7932	63100	SH		SOLE	0	63100	0	0
D	FUSION-IO INC		COMMON STOCK	36112J107	120	5212	SH		SOLE	0	5212	0	0
D	GARDNER DENVER		COMMON STOCK	365558105	4228	61729	SH		SOLE	0	61729	0	0
D	GENWORTH FINANCI	COMMON STOCK	37247D106	6766	900892	SH		SOLE	0	900892	0	0
D	GEOEYE INC		COMMON STOCK	37250W108	97	3149	SH		SOLE	0	3149	0	0
D	GRUPO F SA-ADR B	ADR		40053C105	9169	566715	SH		SOLE	0	566715	0	0
D	HUDSON CITY BNCP	COMMON STOCK	443683107	197	24221	SH		SOLE	0	24221	0	0
D	INGERSOLL-RAND		COMMON STOCK	IE00B6330302	14407	300397	SH		SOLE	0	300397	0	0
D	INVESCO LTD		COMMON STOCK	BMG491BT1088	5308	203448	SH		SOLE	0	203448	0	0
D	ISHARES FT/XI CH	ETP		464287184	1823	45078	SH		SOLE	0	45078	0	0
D	ITT CORP		COMMON STOCK	450911201	4116	175466	SH		SOLE	0	175466	0	0
D	JACK IN THE BOX		COMMON STOCK	466367109	3454	120763	SH		SOLE	0	120763	0	0
D	JAKKS PACIFIC		COMMON STOCK	47012E106	148	11809	SH		SOLE	0	11809	0	0
D	JP MORGAN CHASE		COMMON STOCK	46625H100	22454	510672	SH		SOLE	0	510672	0	0
D	KEYCORP			COMMON STOCK	493267108	4941	586813	SH		SOLE	0	586813	0	0
D	LIMITED BRANDS		COMMON STOCK	532716107	3838	81561	SH		SOLE	0	81561	0	0
D	LOGITECH INTER-R	COMMON STOCK	CH0025751329	163	21608	SH		SOLE	0	21608	0	0
D	LYONDELLBASELL-A	COMMON STOCK	NL0009434992	13390	234534	SH		SOLE	0	234534	0	0
D	MCEWEN MINING IN	COMMON STOCK	58039P107	253	65975	SH		SOLE	0	65975	0	0
D	MEAD JOHNSON		COMMON STOCK	582839106	3435	52137	SH		SOLE	0	52137	0	0
D	METLIFE INC		COMMON STOCK	59156R108	2709	82227	SH		SOLE	0	82227	0	0
D	METROPCS COMMUNI	COMMON STOCK	591708102	3772	379503	SH		SOLE	0	379503	0	0
D	MONDELEZ INTER-A	COMMON STOCK	609207105	13400	526438	SH		SOLE	0	526438	0	0
D	MORGAN STANLEY		COMMON STOCK	617446448	24290	1270390	SH		SOLE	0	1270390	0	0
D	MOSAIC CO/THE		COMMON STOCK	61945C103	5278	93199	SH		SOLE	0	93199	0	0
D	NATL OILWELL VAR	COMMON STOCK	637071101	2483	36323	SH		SOLE	0	36323	0	0
D	NEWS CORP-A		COMMON STOCK	65248E104	15894	623034	SH		SOLE	0	623034	0	0
D	NEXEN INC		COMMON STOCK	65334H102	106	3940	SH		SOLE	0	3940	0	0
D	ORACLE CORP		COMMON STOCK	68389X105	2038	61170	SH		SOLE	0	61170	0	0
D	OREILLY AUTOMOT		COMMON STOCK	67103H107	4871	54473	SH		SOLE	0	54473	0	0
D	PHILLIPS 66		COMMON STOCK	718546104	8808	165876	SH		SOLE	0	165876	0	0
D	POLYONE CORP		COMMON STOCK	73179P106	3196	156494	SH		SOLE	0	156494	0	0
D	PPG INDS INC		COMMON STOCK	693506107	10382	76704	SH		SOLE	0	76704	0	0
D	REGIONS FINANCIA	COMMON STOCK	7591EP100	5509	772694	SH		SOLE	0	772694	0	0
D	ROBBINS & MYERS		COMMON STOCK	770196103	145	2440	SH		SOLE	0	2440	0	0
D	ROCKWELL AUTOMAT	COMMON STOCK	773903109	4151	49427	SH		SOLE	0	49427	0	0
D	ROCKWOOD HOLDING	COMMON STOCK	774415103	3406	68855	SH		SOLE	0	68855	0	0
D	ROFIN-SINAR TECH	COMMON STOCK	775043102	916	42255	SH		SOLE	0	42255	0	0
D	RUCKUS WIRELESS		COMMON STOCK	781220108	141	6268	SH		SOLE	0	6268	0	0
D	RYANAIR HLDG-ADR	ADR		783513104	33	976	SH		SOLE	0	976	0	0
D	SENSIENT TECHNOL	COMMON STOCK	81725T100	1854	52149	SH		SOLE	0	52149	0	0
D	SHAW GROUP INC		COMMON STOCK	820280105	102	2180	SH		SOLE	0	2180	0	0
D	SPRINT NEXTEL CO	COMMON STOCK	852061100	9947	1754260	SH		SOLE	0	1754260	0	0
D	SUNRISE SENIOR L	COMMON STOCK	86768K106	97	6768	SH		SOLE	0	6768	0	0
D	SUNTRUST BANKS		COMMON STOCK	867914103	11382	401498	SH		SOLE	0	401498	0	0
D	TRANSOCEAN LTD		COMMON STOCK	CH0048265513	2645	59232	SH		SOLE	0	59232	0	0
D	TRIPADVISOR INC		COMMON STOCK	896945201	118	2811	SH		SOLE	0	2811	0	0
D	TYCO INTL LTD		COMMON STOCK	CH0100383485	6243	213430	SH		SOLE	0	213430	0	0
D	UNION PAC CORP		COMMON STOCK	907818108	11210	89166	SH		SOLE	0	89166	0	0
D	UNITED TECH CORP	COMMON STOCK	913017109	5808	70826	SH		SOLE	0	70826	0	0
D	VERISK ANALYTI-A	COMMON STOCK	92345Y106	6519	127891	SH		SOLE	0	127891	0	0
D	VIRGIN MEDIA INC	COMMON STOCK	92769L101	34653	942933	SH		SOLE	0	942933	0	0
D	WALT DISNEY CO		COMMON STOCK	254687106	11132	223572	SH		SOLE	0	223572	0	0
D	WYNDHAM WORLDWID	COMMON STOCK	98310W108	6270	117843	SH		SOLE	0	117843	0	0
D	XYLEM INC		COMMON STOCK	98419M100	3176	117194	SH		SOLE	0	117194	0	0
	S REPORT SUMMARY                84 DATA RECORDS              0 OTHER MANAGERS ON WHOSE BEHALF REPORT IS FILED