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GREAT LAKES DREDGE & DOCK CO
GREAT LAKES DREDGE & DOCK CO. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 97 Institutional holders with a total value of $220,474,061.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Boston Partners 5,707,930 25,457,000 11.55%
2 JENNISON ASSOCIATES LLC 5,086,143 22,684,000 10.29%
3 DIMENSIONAL FUND ADVISORS LP 5,039,600 22,476,000 10.19%
4 RUTABAGA CAPITAL MANAGEMENT LLC/MA 3,313,771 15,144,000 6.87%
5 WELLINGTON MANAGEMENT GROUP LLP 3,241,946 14,460,000 6.56%
6 SEGALL BRYANT & HAMILL, LLC 2,458,438 10,965,000 4.97%
7 Walthausen & Co., LLC 2,089,330 9,318,000 4.23%
8 VANGUARD GROUP INC 2,080,451 9,278,000 4.21%
9 BlackRock Institutional Trust Company, N.A. 1,662,624 7,415,000 3.36%
10 RUSSELL FRANK CO/ 1,576,370 7,030,000 3.19%
11 BlackRock Fund Advisors 1,537,102 6,855,000 3.11%
12 NORTHERN TRUST CORP 1,461,717 6,518,000 2.96%
13 COOPER CREEK PARTNERS MANAGEMENT LLC 1,380,456 6,157,000 2.79%
14 STATE STREET CORP 1,170,963 5,218,000 2.37%
15 PARAMETRIC PORTFOLIO ASSOCIATES LLC 1,104,165 4,925,000 2.23%
16 Minerva Advisors LLC 825,197 3,672,000 1.67%
17 PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 695,202 3,101,000 1.41%
18 Merion Investment Management LP 755,937 2,994,000 1.36%
19 KENNEDY CAPITAL MANAGEMENT LLC 603,230 2,690,000 1.22%
20 Bank of New York Mellon Corp 572,328 2,552,000 1.16%
21 AMERIPRISE FINANCIAL INC 540,979 2,413,000 1.09%
22 MORGAN STANLEY 491,867 2,193,000 0.99%
23 D. E. Shaw & Co., Inc. 450,036 2,007,000 0.91%
24 GEODE CAPITAL MANAGEMENT, LLC 386,537 1,723,000 0.78%
25 CREDIT SUISSE AG/ 373,632 1,666,000 0.76%
26 BRIDGEWAY CAPITAL MANAGEMENT, LLC 354,550 1,581,000 0.72%
27 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 325,100 1,450,000 0.66%
28 Asset Management One Co., Ltd. 272,200 1,214,000 0.55%
29 BANK OF AMERICA CORP /DE/ 263,345 1,174,000 0.53%
30 BlackRock Investment Management, LLC 231,276 1,031,000 0.47%
31 AWM Investment Company, Inc. 200,000 892,000 0.40%
32 TIAA CREF INVESTMENT MANAGEMENT LLC 197,909 883,000 0.40%
33 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 190,123 848,000 0.38%
34 EMANCIPATION MANAGEMENT LLC 188,385 840,000 0.38%
35 MARATHON CAPITAL MANAGEMENT 178,650 797,000 0.36%
36 RAYMOND JAMES & ASSOCIATES 162,378 724,000 0.33%
37 GOLDEN GATE PRIVATE EQUITY, INC. 143,083 638,000 0.29%
38 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 127,955 571,000 0.26%
39 Invesco Ltd. 118,258 527,000 0.24%
40 CHELSEA COUNSEL CO 106,416 475,000 0.22%
41 Municipal Employees' Retirement System of Michigan 102,000 455,000 0.21%
42 Swiss National Bank 103,300 446,000 0.20%
43 TEACHERS ADVISORS, LLC 93,446 417,000 0.19%
44 RHUMBLINE ADVISERS 90,980 406,000 0.18%
45 BALTER LIQUID ALTERNATIVES, LLC 89,286 398,000 0.18%
46 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 72,967 325,000 0.15%
47 GSA CAPITAL PARTNERS LLP 72,796 325,000 0.15%
48 FINANCIAL STRATEGY NETWORK, LLC 65,717 295,000 0.13%
49 Spark Investment Management LLC 61,800 275,000 0.12%
50 Nationwide Fund Advisors 57,996 259,000 0.12%
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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.