MARSHALL WACE NORTH AMERICA, L.P. Information

C/O MARSHALL WACE NORTH AMERICA, L.P., NEW YORK, New York, 10022, (212) 235-2800

Report Date: 12/31/2013

Position Statistics

Total Positions 675
New Positions 364
Increased Positions 516
Decreased Positions 154
Positions with Activity 670
Sold Out Positions 0
Total Mkt Value (in $ millions) 5,122

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

Sector Weighting

Basic Materials 12.21%
Capital Goods 2.57%
Conglomerates 0.17%
Consumer Cyclical 3.13%
Consumer/Non-Cyclical 2.64%
Energy 2.69%
Financial 11.57%
Healthcare 13.88%
Services 22.42%
Technology 16.94%
Transportation 7.5%
Utilities 0.2%

675 Positions as of 12/31/2013

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
WISDOMTREE INVTS INC COM 9,930 9,597 2,882.30 680,621
ERICSSON ADR B SEK 10 9,818 9,617 4,793.64 807,402
ICU MED INC COM 9,739 1,665 20.62 116,263
PRICELINE GRP INC COM NEW 9,356 -1,307 (12.26) 8,433
DISCOVER FINL SVCS COM 9,111 2,851 45.55 139,979
ENERGEN CORP COM 9,027 9,027 New 139,198
YANDEX N V SHS CLASS A 9,006 4,811 114.70 500,316
EQUINIX INC COM NEW 8,863 8,863 New 37,860
GREENHILL & CO INC COM 8,765 8,765 New 207,349
POTLATCH CORP NEW COM 8,694 -2,364 (21.38) 206,504
PLATINUM UNDERWRITER HLDGS LTD COM 8,689 -3,461 (28.49) 118,450
VALE S A ADR 8,678 7,282 521.48 1,066,082
BUCKLE INC COM 8,644 8,644 New 168,703
SYNTEL INC COM 8,627 7,931 1,139.55 188,982
CELGENE CORP COM 8,625 8,625 New 73,606
ATMEL CORP COM 8,612 7,788 944.66 1,040,093
STRYKER CORP COM 8,395 -19,602 (70.02) 88,561
APOLLO ED GROUP INC CL A 8,105 8,105 New 237,191
MASTERCARD INC CL A 8,017 -743 (8.48) 92,750
SEAWORLD ENTMT INC COM 7,914 6,715 560.08 455,095