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

Institutional Holders (2016Q1)
Portfolio Summary: 62 Institutional holders with a total value of $72,818,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Kohlberg Kravis Roberts & Co. L.P. 10,125,410 21,567,000 29.62%
2 HEARTLAND ADVISORS INC 5,319,692 11,331,000 15.56%
3 GENDELL JEFFREY L 4,411,309 9,396,000 12.90%
4 SCHNEIDER CAPITAL MANAGEMENT CORP 2,350,859 5,007,000 6.88%
5 DIMENSIONAL FUND ADVISORS LP 1,984,485 4,227,000 5.80%
6 VANGUARD GROUP INC 1,565,951 3,336,000 4.58%
7 BlackRock Institutional Trust Company, N.A. 980,255 2,088,000 2.87%
8 ROYCE & ASSOCIATES LP 955,309 2,035,000 2.79%
9 Netols Asset Management, Inc. 823,918 1,755,000 2.41%
10 RUSSELL FRANK CO/ 792,130 1,688,000 2.32%
11 PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 789,561 1,682,000 2.31%
12 RENAISSANCE TECHNOLOGIES LLC 558,319 1,189,000 1.63%
13 BRIDGEWAY CAPITAL MANAGEMENT, LLC 483,300 1,029,000 1.41%
14 FIRST WILSHIRE SECURITIES MANAGEMENT INC 413,156 880,000 1.21%
15 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 392,829 837,000 1.15%
16 D. E. Shaw & Co., Inc. 319,357 680,000 0.93%
17 True Bearing Asset Management LP 220,794 470,000 0.65%
18 GEODE CAPITAL MANAGEMENT, LLC 217,108 462,000 0.63%
19 Invesco Ltd. 176,791 377,000 0.52%
20 SUSQUEHANNA INTERNATIONAL GROUP, LLP 139,739 297,000 0.41%
21 NORTHERN TRUST CORP 105,162 224,000 0.31%
22 BlackRock Fund Advisors 91,083 194,000 0.27%
23 MORGAN STANLEY 85,805 183,000 0.25%
24 CREDIT SUISSE AG/ 82,637 176,000 0.24%
25 Virtu KCG Holdings LLC 76,216 162,000 0.22%
26 TFS CAPITAL LLC 60,508 129,000 0.18%
27 MILLENNIUM MANAGEMENT LLC 52,047 111,000 0.15%
28 Bank of New York Mellon Corp 51,338 109,000 0.15%
29 Fortress Investment Group LLC 45,350 97,000 0.13%
30 Bridgecreek Investment Management, LLC 44,000 94,000 0.13%
31 A.R.T. Advisors, LLC 40,416 86,000 0.12%
32 CITADEL ADVISORS LLC 39,705 85,000 0.12%
33 ClariVest Asset Management LLC 39,095 83,000 0.11%
34 Mariner, LLC 38,752 83,000 0.11%
35 DEUTSCHE BANK AG\ 36,611 77,000 0.11%
36 UBS Group AG 32,662 69,000 0.09%
37 LPL Financial LLC 30,970 64,000 0.09%
38 MENTA CAPITAL LLC 26,740 57,000 0.08%
39 Tower Research Capital LLC (TRC) 21,317 45,000 0.06%
40 STATE STREET CORP 20,357 44,000 0.06%
41 Oppenheimer & Close, LLC 15,000 32,000 0.04%
42 TUDOR INVESTMENT CORP ET AL 14,352 31,000 0.04%
43 TWO SIGMA SECURITIES, LLC 13,794 29,000 0.04%
44 AUXIER ASSET MANAGEMENT LLC 12,175 26,000 0.04%
45 GUGGENHEIM CAPITAL LLC 12,399 26,000 0.04%
46 SUSQUEHANNA INTERNATIONAL GROUP, LLP 12,400 26,000 0.04% Call
47 Spot Trading L.L.C 10,900 23,000 0.03% Call
48 BLACKROCK ADVISORS LLC 9,067 19,000 0.03%
49 Nationwide Fund Advisors 8,018 17,000 0.02%
50 BlackRock Investment Management, LLC 7,184 15,000 0.02%
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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.