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

Institutional Holders (2015Q4)
Portfolio Summary: 103 Institutional holders with a total value of $202,117,782.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Boston Partners 6,362,970 25,197,000 12.47%
2 JENNISON ASSOCIATES LLC 5,010,933 19,843,000 9.82%
3 DIMENSIONAL FUND ADVISORS LP 4,978,488 19,715,000 9.75%
4 RUTABAGA CAPITAL MANAGEMENT LLC/MA 4,183,757 16,568,000 8.20%
5 WELLINGTON MANAGEMENT GROUP LLP 3,241,946 12,838,000 6.35%
6 SEGALL BRYANT & HAMILL, LLC 2,940,453 11,644,000 5.76%
7 Walthausen & Co., LLC 2,257,205 8,939,000 4.42%
8 VANGUARD GROUP INC 1,975,215 7,822,000 3.87%
9 BlackRock Institutional Trust Company, N.A. 1,580,974 6,261,000 3.10%
10 BlackRock Fund Advisors 1,565,282 6,199,000 3.07%
11 RUSSELL FRANK CO/ 1,427,442 5,724,000 2.83%
12 NORTHERN TRUST CORP 1,420,135 5,623,000 2.78%
13 AMERIPRISE FINANCIAL INC 1,222,868 4,844,000 2.40%
14 COOPER CREEK PARTNERS MANAGEMENT LLC 1,177,867 4,664,000 2.31%
15 STATE STREET CORP 897,716 3,555,000 1.76%
16 Minerva Advisors LLC 793,477 3,142,000 1.55%
17 Merion Investment Management LP 755,937 2,994,000 1.48%
18 PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 695,202 2,753,000 1.36%
19 AMERICAN CENTURY COMPANIES INC 661,388 2,619,000 1.30%
20 Bank of New York Mellon Corp 551,418 2,184,000 1.08%
21 MORGAN STANLEY 499,219 1,977,000 0.98%
22 D. E. Shaw & Co., Inc. 434,223 1,720,000 0.85%
23 KENNEDY CAPITAL MANAGEMENT LLC 407,334 1,613,000 0.80%
24 GEODE CAPITAL MANAGEMENT, LLC 382,402 1,514,000 0.75%
25 CREDIT SUISSE AG/ 379,552 1,503,000 0.74%
26 BALTER LIQUID ALTERNATIVES, LLC 373,288 1,478,000 0.73%
27 BRIDGEWAY CAPITAL MANAGEMENT, LLC 354,550 1,404,000 0.69%
28 MARATHON CAPITAL MANAGEMENT 277,400 1,098,000 0.54%
29 BANK OF AMERICA CORP /DE/ 270,983 1,074,000 0.53%
30 Asset Management One Co., Ltd. 268,400 1,063,000 0.53%
31 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 267,600 1,060,000 0.52%
32 BlackRock Investment Management, LLC 230,570 913,000 0.45%
33 TIAA CREF INVESTMENT MANAGEMENT LLC 197,909 784,000 0.39%
34 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 186,151 738,000 0.37%
35 RAYMOND JAMES & ASSOCIATES 171,561 679,000 0.34%
36 North Star Investment Management Corp. 150,150 595,000 0.29%
37 AWM Investment Company, Inc. 150,100 594,000 0.29%
38 PARAMETRIC PORTFOLIO ASSOCIATES LLC 143,696 569,000 0.28%
39 GOLDEN GATE PRIVATE EQUITY, INC. 143,083 567,000 0.28%
40 EMANCIPATION MANAGEMENT LLC 129,042 489,000 0.24%
41 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 111,911 443,000 0.22%
42 Municipal Employees' Retirement System of Michigan 103,580 410,000 0.20%
43 Invesco Ltd. 101,232 401,000 0.20%
44 CHELSEA COUNSEL CO 97,972 388,000 0.19%
45 TEACHERS ADVISORS, LLC 93,446 370,000 0.18%
46 Spark Investment Management LLC 90,000 356,000 0.18%
47 Swiss National Bank 85,900 340,000 0.17%
48 RHUMBLINE ADVISERS 83,255 330,000 0.16%
49 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 72,967 289,000 0.14%
50 Nationwide Fund Advisors 57,996 230,000 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.