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

Institutional Holders (2016Q3)
Portfolio Summary: 93 Institutional holders with a total value of $166,626,544.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Boston Partners 5,707,772 19,978,000 11.99%
2 DIMENSIONAL FUND ADVISORS LP 5,160,184 18,061,000 10.84%
3 JENNISON ASSOCIATES LLC 4,869,835 17,044,000 10.23%
4 WELLINGTON MANAGEMENT GROUP LLP 4,212,142 14,743,000 8.85%
5 Walthausen & Co., LLC 2,421,956 8,477,000 5.09%
6 VANGUARD GROUP INC 2,111,780 7,392,000 4.44%
7 RUTABAGA CAPITAL MANAGEMENT LLC/MA 1,938,666 6,785,000 4.07%
8 SEGALL BRYANT & HAMILL, LLC 1,865,815 6,530,000 3.92%
9 BlackRock Fund Advisors 1,657,585 5,802,000 3.48%
10 BlackRock Institutional Trust Company, N.A. 1,577,138 5,520,000 3.31%
11 EMERALD ACQUISITION LTD. 1,391,700 4,871,000 2.92%
12 NORTHERN TRUST CORP 1,386,191 4,852,000 2.91%
13 STATE STREET CORP 1,191,644 4,171,000 2.50%
14 Minerva Advisors LLC 1,100,160 3,851,000 2.31%
15 PARAMETRIC PORTFOLIO ASSOCIATES LLC 1,047,504 3,666,000 2.20%
16 PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 695,102 2,433,000 1.46%
17 Bank of New York Mellon Corp 629,867 2,205,000 1.32%
18 KENNEDY CAPITAL MANAGEMENT LLC 573,776 2,008,000 1.21%
19 ROYCE & ASSOCIATES LP 564,700 1,976,000 1.19%
20 D. E. Shaw & Co., Inc. 541,119 1,893,000 1.14%
21 AMERIPRISE FINANCIAL INC 540,567 1,892,000 1.14%
22 Merion Investment Management LP 492,638 1,724,000 1.03%
23 CREDIT SUISSE AG/ 410,080 1,435,000 0.86%
24 GEODE CAPITAL MANAGEMENT, LLC 399,633 1,398,000 0.84%
25 MORGAN STANLEY 384,105 1,344,000 0.81%
26 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 379,900 1,330,000 0.80%
27 EMANCIPATION MANAGEMENT LLC 360,385 1,261,000 0.76%
28 BRIDGEWAY CAPITAL MANAGEMENT, LLC 354,550 1,241,000 0.74%
29 Asset Management One Co., Ltd. 283,300 992,000 0.60%
30 BlackRock Investment Management, LLC 264,988 927,000 0.56%
31 ADVISORY RESEARCH INC 84,900 775,000 0.47%
32 TIAA CREF INVESTMENT MANAGEMENT LLC 192,745 675,000 0.41%
33 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 186,823 654,000 0.39%
34 RAYMOND JAMES & ASSOCIATES 174,219 610,000 0.37%
35 VICTORY CAPITAL MANAGEMENT INC 169,380 593,000 0.36%
36 BANK OF AMERICA CORP /DE/ 161,987 566,000 0.34%
37 Invesco Ltd. 148,666 520,000 0.31%
38 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 124,795 437,000 0.26%
39 GSA CAPITAL PARTNERS LLP 107,596 377,000 0.23%
40 CITADEL ADVISORS LLC 107,095 375,000 0.23%
41 Swiss National Bank 103,300 362,000 0.22%
42 TEACHERS ADVISORS, LLC 101,159 354,000 0.21%
43 WYNNEFIELD CAPITAL INC 100,000 350,000 0.21%
44 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 72,967 255,000 0.15%
45 TWO SIGMA INVESTMENTS, LP 71,971 252,000 0.15%
46 RHUMBLINE ADVISERS 68,995 241,000 0.14%
47 FINANCIAL STRATEGY NETWORK, LLC 65,717 210,000 0.13%
48 Nationwide Fund Advisors 57,996 203,000 0.12%
49 NEW YORK STATE COMMON RETIREMENT FUND 55,200 193,000 0.12%
50 RENAISSANCE TECHNOLOGIES LLC 54,200 190,000 0.11%
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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.