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

Institutional Holders (2015Q1)
Portfolio Summary: 107 Institutional holders with a total value of $144,951,589.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Kohlberg Kravis Roberts & Co. L.P. 10,125,410 27,946,000 19.28%
2 HEARTLAND ADVISORS INC 3,992,473 13,215,000 9.12%
3 GENDELL JEFFREY L 3,051,178 10,100,000 6.97%
4 Regiment Capital Management LLC 2,699,288 8,935,000 6.16%
5 DIMENSIONAL FUND ADVISORS LP 2,308,371 7,641,000 5.27%
6 SCHNEIDER CAPITAL MANAGEMENT CORP 2,192,130 7,256,000 5.01%
7 VANGUARD GROUP INC 2,153,781 7,129,000 4.92%
8 PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 1,969,617 6,519,000 4.50%
9 WELLS FARGO & COMPANY/MN 1,289,633 4,269,000 2.95%
10 BlackRock Institutional Trust Company, N.A. 1,162,267 3,847,000 2.65%
11 BlackRock Fund Advisors 1,131,314 3,745,000 2.58%
12 STATE STREET CORP 787,749 2,609,000 1.80%
13 TFS CAPITAL LLC 759,646 2,514,000 1.73%
14 Netols Asset Management, Inc. 743,997 2,463,000 1.70%
15 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 414,229 2,403,000 1.66%
16 DEUTSCHE BANK AG\ 716,642 2,370,000 1.64%
17 ENVESTNET ASSET MANAGEMENT INC 702,197 2,324,000 1.60%
18 RUSSELL FRANK CO/ 594,475 1,968,000 1.36%
19 UNITED CAPITAL FINANCIAL ADVISORS, LLC 710,415 1,776,000 1.23%
20 NORTHERN TRUST CORP 469,566 1,554,000 1.07%
21 FIRST WILSHIRE SECURITIES MANAGEMENT INC 463,606 1,535,000 1.06%
22 COOPER CREEK PARTNERS MANAGEMENT LLC 402,521 1,332,000 0.92%
23 AQR CAPITAL MANAGEMENT LLC 376,765 1,247,000 0.86%
24 GEODE CAPITAL MANAGEMENT, LLC 367,040 1,214,000 0.84%
25 D. E. Shaw & Co., Inc. 364,559 1,207,000 0.83%
26 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 333,563 1,105,000 0.76%
27 Bank of New York Mellon Corp 297,891 986,000 0.68%
28 Municipal Employees' Retirement System of Michigan 271,700 899,000 0.62%
29 NOMURA HOLDINGS INC 221,613 895,000 0.62%
30 PARAMETRIC PORTFOLIO ASSOCIATES LLC 226,361 749,000 0.52%
31 TUDOR INVESTMENT CORP ET AL 225,000 745,000 0.51%
32 JPMORGAN CHASE & CO 224,674 744,000 0.51%
33 BOGLE INVESTMENT MANAGEMENT L P /DE/ 199,374 659,000 0.45%
34 MILLENNIUM MANAGEMENT LLC 178,211 590,000 0.41%
35 MORGAN STANLEY 168,111 556,000 0.38%
36 Invesco Ltd. 152,750 506,000 0.35%
37 A.R.T. Advisors, LLC 152,067 503,000 0.35%
38 Freedom Investment Management, Inc. 151,340 501,000 0.35%
39 RENAISSANCE TECHNOLOGIES LLC 150,600 498,000 0.34%
40 SG Americas Securities, LLC 150,127 497,000 0.34%
41 ACADIAN ASSET MANAGEMENT LLC 135,087 447,000 0.31%
42 VIRTUS CAPITAL ADVISERS, LLC 127,307 421,000 0.29%
43 Quotient Investors, LLC 118,218 391,000 0.27%
44 BlackRock Investment Management, LLC 116,886 387,000 0.27%
45 CITADEL ADVISORS LLC 102,888 340,000 0.23%
46 Nationwide Fund Advisors 79,169 262,000 0.18%
47 FIRST QUADRANT LLC/CA 77,600 257,000 0.18%
48 MENTA CAPITAL LLC 77,200 256,000 0.18%
49 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 76,774 254,122 0.18%
50 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 72,786 241,000 0.17%
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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.