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WILLBROS GROUP INC DEL COM
WILLBROS GROUP INC DEL COM. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 77 Institutional holders with a total value of $47,354,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Kohlberg Kravis Roberts & Co. L.P. 10,125,410 12,961,000 27.37%
2 HEARTLAND ADVISORS INC 3,992,473 5,110,000 10.79%
3 GENDELL JEFFREY L 3,985,149 5,101,000 10.77%
4 SCHNEIDER CAPITAL MANAGEMENT CORP 2,263,230 2,897,000 6.12%
5 DIMENSIONAL FUND ADVISORS LP 2,169,923 2,778,000 5.87%
6 VANGUARD GROUP INC 1,584,334 2,028,000 4.28%
7 WELLS FARGO & COMPANY/MN 1,092,893 1,399,000 2.95%
8 Netols Asset Management, Inc. 1,046,479 1,339,000 2.83%
9 DEUTSCHE BANK AG\ 1,031,814 1,320,000 2.79%
10 RENAISSANCE TECHNOLOGIES LLC 1,009,164 1,292,000 2.73%
11 BlackRock Institutional Trust Company, N.A. 776,625 994,000 2.10%
12 RUSSELL FRANK CO/ 721,630 924,000 1.95%
13 TFS CAPITAL LLC 593,079 759,000 1.60%
14 PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 506,944 649,000 1.37%
15 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 498,229 638,000 1.35%
16 D. E. Shaw & Co., Inc. 483,957 619,000 1.31%
17 GLOBEFLEX CAPITAL L P 463,394 593,000 1.25%
18 FIRST WILSHIRE SECURITIES MANAGEMENT INC 447,156 572,000 1.21%
19 NORTHERN TRUST CORP 442,789 566,000 1.20%
20 BRIDGEWAY CAPITAL MANAGEMENT, LLC 425,000 544,000 1.15%
21 Freedom Investment Management, Inc. 273,224 350,000 0.74%
22 Municipal Employees' Retirement System of Michigan 271,700 348,000 0.73%
23 AQR CAPITAL MANAGEMENT LLC 268,084 343,000 0.72%
24 GEODE CAPITAL MANAGEMENT, LLC 217,208 278,000 0.59%
25 GOLDMAN SACHS GROUP INC 199,225 255,000 0.54%
26 A.R.T. Advisors, LLC 179,667 229,000 0.48%
27 Invesco Ltd. 149,209 191,000 0.40%
28 PARAMETRIC PORTFOLIO ASSOCIATES LLC 135,181 173,000 0.37%
29 BlackRock Fund Advisors 108,970 139,000 0.29%
30 MORGAN STANLEY 103,264 133,000 0.28%
31 TWO SIGMA INVESTMENTS, LP 101,238 130,000 0.27%
32 CREDIT SUISSE AG/ 100,686 129,000 0.27%
33 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 71,385 91,000 0.19%
34 Alpine Global Management, LLC 68,279 87,000 0.18%
35 CITADEL ADVISORS LLC 65,569 84,000 0.18%
36 Paloma Partners Management Co 62,173 80,000 0.17%
37 MILLENNIUM MANAGEMENT LLC 61,438 79,000 0.17%
38 Virtu KCG Holdings LLC 53,966 69,000 0.15%
39 ACADIAN ASSET MANAGEMENT LLC 53,572 69,000 0.15%
40 Bridgecreek Investment Management, LLC 53,500 68,000 0.14%
41 FEDERATED HERMES, INC. 51,972 67,000 0.14%
42 Squarepoint Ops LLC 51,600 66,000 0.14%
43 Bank of New York Mellon Corp 51,338 66,000 0.14%
44 Mariner, LLC 50,680 65,000 0.14%
45 Fortress Investment Group LLC 45,350 58,000 0.12%
46 SUSQUEHANNA INTERNATIONAL GROUP, LLP 44,077 56,000 0.12%
47 JANE STREET GROUP, LLC 37,049 47,000 0.10%
48 LMR Partners LLP 32,559 42,000 0.09%
49 FIRST QUADRANT LLC/CA 32,800 42,000 0.09%
50 Quotient Investors, LLC 31,718 41,000 0.09%
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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.