Dark
Light
System
Security
WILLBROS GROUP INC DEL COM
WILLBROS GROUP INC DEL COM. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 117 Institutional holders with a total value of $434,752,078.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PNC FINANCIAL SERVICES GROUP, INC. 160 2,000 0.00%
2 Compagnie Lombard Odier SCmA 1,000 13,000 0.00%
3 TEACHER RETIREMENT SYSTEM OF TEXAS 1,309 17,000 0.00%
4 BlackRock Finance, Inc. 1,387 17,000 0.00%
5 Creative Planning 1,500 19,000 0.00%
6 GROUP ONE TRADING LLC 2,889 36,000 0.01%
7 UBS AG 3,800 48,000 0.01% Call
8 FEDERATED HERMES, INC. 4,680 59,000 0.01%
9 MANAGED ACCOUNT ADVISORS LLC 6,215 78,000 0.02%
10 B. Riley Wealth Advisors, Inc. 7,275 92,000 0.02%
11 BANK OF MONTREAL /CAN/ 7,682 97,000 0.02%
12 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 10,048 127,000 0.03%
13 Aperio Group, LLC 10,389 131,000 0.03%
14 BANK OF AMERICA CORP /DE/ 10,950 138,000 0.03%
15 Tower Research Capital LLC (TRC) 12,456 157,000 0.04%
16 SUSQUEHANNA INTERNATIONAL GROUP, LLP 12,700 160,000 0.04% Call
17 TUDOR INVESTMENT CORP ET AL 13,309 168,000 0.04%
18 BOKF, NA 13,625 172,000 0.04%
19 GABELLI & Co INVESTMENT ADVISERS, INC. 14,000 177,000 0.04%
20 DRIEHAUS CAPITAL MANAGEMENT LLC 14,200 179,000 0.04%
21 Airain ltd 15,097 191,000 0.04%
22 Virtu KCG Holdings LLC 15,539 196,000 0.05%
23 A.R.T. Advisors, LLC 16,480 207,000 0.05%
24 AUXIER ASSET MANAGEMENT LLC 17,625 222,000 0.05%
25 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 19,194 242,000 0.06%
26 LOS ANGELES CAPITAL MANAGEMENT LLC 19,353 244,000 0.06%
27 STRS OHIO 19,400 245,000 0.06%
28 PEAK6 Group LLC 19,400 245,000 0.06% Call
29 PDT Partners, LLC 19,564 247,000 0.06%
30 STIFEL FINANCIAL CORP 24,990 315,000 0.07%
31 TWO SIGMA ADVISERS, LP 26,689 337,000 0.08%
32 BLACKROCK ADVISORS LLC 27,314 345,000 0.08%
33 AMERICAN INTERNATIONAL GROUP, INC. 27,986 353,183 0.08%
34 Mariner, LLC 28,180 356,000 0.08%
35 Hutchin Hill Capital, LP 29,900 377,000 0.09%
36 CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT 30,000 379,000 0.09%
37 MANUFACTURERS LIFE INSURANCE COMPANY, THE 31,804 401,000 0.09%
38 CITIGROUP INC 32,122 406,000 0.09%
39 ALLIANCEBERNSTEIN L.P. 33,498 423,000 0.10%
40 NOMURA HOLDINGS INC 34,583 430,000 0.10%
41 VOYA INVESTMENT MANAGEMENT LLC 34,260 432,000 0.10%
42 METROPOLITAN LIFE INSURANCE CO/NY 35,057 442,000 0.10%
43 JANE STREET GROUP, LLC 37,213 470,000 0.11%
44 North Star Investment Management Corp. 38,806 490,000 0.11%
45 ProShare Advisors LLC 40,435 510,000 0.12%
46 FIRST QUADRANT LLC/CA 40,500 511,000 0.12%
47 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 41,273 521,000 0.12%
48 BARCLAYS PLC 46,215 555,000 0.13%
49 Fortress Investment Group LLC 45,350 572,000 0.13%
50 PRUDENTIAL FINANCIAL INC 45,875 579,000 0.13%
Page 1 of 3

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.