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Institutional Investment Manager
MARSHALL WACE, LLP
MARSHALL WACE, LLP (CIK: 0001318757), located at George House, London, X0. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q2)
Portfolio Summary: 878 holdings with a total value of $7,666,207,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 Hercules Offshore Inc 133,254 31,000 0.00%
2 COVISINT CORP 11,640 38,000 0.00%
3 RESOLUTE ENERGY CORP 43,616 42,000 0.00%
4 SPARTAN MTRS INC 10,049 46,000 0.00%
5 GOLD RESOURCE CORP 18,423 51,000 0.00%
6 PRIMERO MNG CORP 15,900 62,000 0.00%
7 PetroQuest Energy 33,498 66,000 0.00%
8 Penn Virginia Corp 15,318 67,000 0.00%
9 REPROS THERAPEUTICS INC 10,047 72,000 0.00%
10 GOODRICH PETE CORP 40,499 75,000 0.00%
11 SWIFT ENERGY CO 38,646 78,000 0.00%
12 NOVAGOLD RES INC 23,500 80,000 0.00%
13 CASTLE A M & CO 13,531 83,000 0.00%
14 AEROPOSTALE INC N/C 8/16/17 00215Q103 53,765 87,000 0.00%
15 LEAPFROG ENTERPRISES INC 63,648 89,000 0.00%
16 RENREN INCORPORATED SPONSORED ADR 23,462 89,000 0.00%
17 AMPIO PHARMACEUTICALS INC 38,858 92,000 0.00%
18 HECLA MNG CO 35,000 92,000 0.00%
19 GRAFTECH INTERNATIONAL LTD 19,259 96,000 0.00%
20 Sunesis Pharmaceuticals I 32,628 98,000 0.00%
21 MAXWELL TECHNOLOGIES INC 16,548 99,000 0.00%
22 IAMGOLD CORP 51,700 103,000 0.00%
23 LEXICON PHARMACEUTICALS INC 12,945 104,000 0.00%
24 COMSTOCK RES INC COM NEW 31,488 105,000 0.00%
25 VAALCO ENERGY INC 48,841 105,000 0.00%
26 ROUNDYS INC 33,465 108,000 0.00%
27 GRAMERCY PPTY TR 14,136 112,000 0.00%
28 CYS INVTS INC COM 14,870 115,000 0.00%
29 BIODELIVERY SCIENCES INTL IN 14,572 116,000 0.00%
30 LAYNE CHRISTENSEN CO 13,096 117,000 0.00%
31 ACCO BRANDS CORPORATION COM 15,007 117,000 0.00%
32 SCICLONE PHARMACEUTICALS INC 11,991 118,000 0.00%
33 LXP INDUSTRIAL TRUST COM 14,268 121,000 0.00%
34 ACELRX PHARMACEUTICALS INC 29,009 123,000 0.00%
35 TRIANGLE PETE CORP 25,291 127,000 0.00%
36 Royal Gold Inc 12,275 127,000 0.00%
37 ARMOUR RESIDENTIAL REIT INC 45,624 128,000 0.00%
38 AFFYMETRIX INCOC-CAP STK CASH MGREFF 4/1/16 1 OLDUSD 14.00 PER SHARE 11,836 129,000 0.00%
39 SERVICESOURCE INTL 23,615 129,000 0.00%
40 Alcoa 11,818 132,000 0.00%
41 COWEN GROUP INC NEW 20,822 133,000 0.00%
42 COUSINS PROPERTIES INC 13,199 137,000 0.00%
43 POLYCOM INC 11,976 137,000 0.00%
44 STILLWATER MNG CO 12,926 150,000 0.00%
45 WL ROSS HOLDING CORP - CW19 149,600 150,000 0.00%
46 SUNOPTA INC 13,984 150,000 0.00%
47 Progenics Pharmaceuticals Inc 20,567 153,000 0.00%
48 GLOBAL CASH ACCESS HLDGS INC 20,415 158,000 0.00%
49 JAMBA INC COM STK 10,402 161,000 0.00%
50 New York REIT Inc 16,802 167,000 0.00%
Page 1 of 18

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001318757-15-000018, filed 2015.08.14).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.