MARSHALL WACE LLP Information

THE ADELPHI, LONDON, , WC2N 6HT, (4207) 316-2251

Report Date: 12/31/2014

Position Statistics

Total Positions 1,138
New Positions 298
Increased Positions 526
Decreased Positions 598
Positions with Activity 1,124
Sold Out Positions 365
Total Mkt Value (in $ millions) 7,979

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

Sector Weighting

Basic Materials 9.32%
Capital Goods 3.49%
Conglomerates 0.56%
Consumer Cyclical 4.4%
Consumer/Non-Cyclical 3.45%
Energy 4.05%
Financial 10.11%
Healthcare 18.89%
Services 18.1%
Technology 12.32%
Transportation 4.19%
Utilities 1.17%

1,138 Positions as of 12/31/2014

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
21VIANET GROUP INC SPONSORED ADR 820 -5,668 (87.36) 40,601
3M CO COM 10,862 10,862 New 68,318
58 COM INC SPON ADR REP A 1,110 -59,408 (98.17) 13,976
A10 NETWORKS INC COM -293 Sold Out 0
AARONS INC COM PAR $0.50 4,370 4,370 New 133,226
ABBOTT LABS COM 28,039 -32,967 (54.04) 580,287
ABBVIE INC COM -3,944 Sold Out 0
ABENGOA YIELD PLC ORD SHS -428 Sold Out 0
ABERCROMBIE & FITCH CO CL A -133 Sold Out 0
ACADIA HEALTHCARE COMPANY INC COM 8,402 5,322 172.78 115,733
ACHILLION PHARMACEUTICALS INC COM 825 825 New 81,984
ACI WORLDWIDE INC COM 694 694 New 31,168
ACORDA THERAPEUTICS INC COM -4,803 Sold Out 0
ACTAVIS PLC SHS 99,123 68,286 221.45 335,544
ACTIVISION BLIZZARD INC COM 22,147 19,434 716.41 925,088
ACUITY BRANDS INC COM -371 Sold Out 0
ACXIOM CORP COM 676 676 New 36,901
ADAMIS PHARMACEUTICALS CORP COM NEW 1,014 670 194.31 210,014
ADOBE SYS INC COM 18,998 18,998 New 248,207
ADVANCE AUTO PARTS INC COM 44,387 13,682 44.56 298,682


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