MARSHALL WACE LLP Information

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

Report Date: 12/31/2014

Position Statistics

Total Positions 1,140
New Positions 299
Increased Positions 528
Decreased Positions 598
Positions with Activity 1,126
Sold Out Positions 364
Total Mkt Value (in $ millions) 7,889

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

Sector Weighting

Basic Materials 9.67%
Capital Goods 3.55%
Conglomerates 0.58%
Consumer Cyclical 4.22%
Consumer/Non-Cyclical 3.56%
Energy 3.89%
Financial 10.17%
Healthcare 19.01%
Services 17.95%
Technology 12.42%
Transportation 4.32%
Utilities 1.17%

1,140 Positions as of 12/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
PEABODY ENERGY CORP COM 13,265 13,265 New 2,006,806
BIOMARIN PHARMACEUTICAL INC COM 13,198 -15,536 (54.07) 116,280
AIR METHODS CORP COM PAR $.06 13,144 8,170 164.25 248,612
QIWI PLC SPON ADR REP B 13,043 -10,195 (43.87) 578,671
MEDTRONIC PLC SHS 12,985 -7,472 (36.53) 165,416
NEWS CORP NEW CL B 12,971 12,971 New 779,012
REGIONS FINL CORP NEW COM 12,935 -25,780 (66.59) 1,333,535
CYTEC INDS INC COM 12,836 -9,606 (42.8) 246,381
DEXCOM INC COM 12,822 12,822 New 211,766
BIODELIVERY SCIENCES INTL INC COM 12,796 7,853 158.85 854,206
RIVERBED TECHNOLOGY INC COM 12,753 -8,839 (40.94) 609,485
MARATHON OIL CORP COM 12,734 11,572 995.39 465,769
POLYONE CORP COM 12,701 -49,976 (79.74) 317,931
HALLIBURTON CO COM 12,699 1,074 9.24 295,742
BLUEBIRD BIO INC COM 12,572 12,369 6,092.32 112,019
TAKE-TWO INTERACTIVE SOFTWARE COM 12,567 12,301 4,607.82 498,511
SIRIUS XM HLDGS INC COM 12,464 -12,299 (49.67) 3,171,588
SIMON PPTY GROUP INC NEW COM 12,457 3,134 33.61 66,569
AKORN INC COM 12,261 7,027 134.23 240,985
HALYARD HEALTH INC COM 12,184 11,820 3,248.99 267,953


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