MARSHALL WACE LLP Information

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

Report Date: 03/31/2015

Position Statistics

Total Positions 1,062
New Positions 291
Increased Positions 516
Decreased Positions 521
Positions with Activity 1,037
Sold Out Positions 291
Total Mkt Value (in $ millions) 7,800

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

Sector Weighting

Basic Materials 7.67%
Capital Goods 3.94%
Conglomerates 0.23%
Consumer Cyclical 3.9%
Consumer/Non-Cyclical 4.11%
Energy 2.07%
Financial 16.02%
Healthcare 20.31%
Services 17.13%
Technology 11.85%
Transportation 2.2%
Utilities 0.74%

1,062 Positions as of 03/31/2015

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
POTASH CORP SASK INC COM 17,837 3,449 23.97 652,646
FAIRCHILD SEMICONDUCTOR INTL COM 17,815 17,815 New 1,202,885
NETAPP INC COM 17,763 10,791 154.78 578,779
WESTLAKE CHEM CORP COM 17,699 17,699 New 286,208
ASSURED GUARANTY LTD COM 17,592 -3,582 (16.92) 711,931
AMAG PHARMACEUTICALS INC COM 17,504 2,494 16.61 264,411
PROSPERITY BANCSHARES INC COM 17,349 2,965 20.61 316,712
MICRON TECHNOLOGY INC COM 17,336 -42,593 (71.07) 912,398
GENERAL DYNAMICS CORP COM 17,295 17,295 New 116,193
DAVITA HEALTHCARE PARTNERS INC COM 17,220 17,220 New 216,028
BLUEBIRD BIO INC COM 17,065 -1,374 (7.45) 103,674
CBS CORP (CLASS B) CL B 16,452 -18,726 (53.23) 310,244
LABORATORY CORP AMER HLDGS COM NEW 16,058 12,178 313.86 126,095
ANTHEM INC COM 15,805 15,805 New 103,451
NEWFIELD EXPL CO COM 15,745 15,745 New 485,351
MYRIAD GENETICS INC COM 15,497 15,497 New 458,080
YAHOO INC COM 15,164 14,191 1,459.31 413,295
PORTOLA PHARMACEUTICALS INC COM 15,155 15,155 New 297,219
COMERICA INC COM 14,951 -1,813 (10.81) 318,176
HORIZON PHARMA PLC SHS 14,892 8,692 140.17 423,443