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
101 TUDOR INVESTMENT CORP ET AL 13,309 168,000 0.04%
102 SUSQUEHANNA INTERNATIONAL GROUP, LLP 12,700 160,000 0.04% Call
103 Tower Research Capital LLC (TRC) 12,456 157,000 0.04%
104 BANK OF AMERICA CORP /DE/ 10,950 138,000 0.03%
105 Aperio Group, LLC 10,389 131,000 0.03%
106 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 10,048 127,000 0.03%
107 BANK OF MONTREAL /CAN/ 7,682 97,000 0.02%
108 B. Riley Wealth Advisors, Inc. 7,275 92,000 0.02%
109 MANAGED ACCOUNT ADVISORS LLC 6,215 78,000 0.02%
110 FEDERATED HERMES, INC. 4,680 59,000 0.01%
111 UBS AG 3,800 48,000 0.01% Call
112 GROUP ONE TRADING LLC 2,889 36,000 0.01%
113 Creative Planning 1,500 19,000 0.00%
114 TEACHER RETIREMENT SYSTEM OF TEXAS 1,309 17,000 0.00%
115 BlackRock Finance, Inc. 1,387 17,000 0.00%
116 Compagnie Lombard Odier SCmA 1,000 13,000 0.00%
117 PNC FINANCIAL SERVICES GROUP, INC. 160 2,000 0.00%
Page 3 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.