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

Institutional Holders (2015Q3)
Portfolio Summary: 97 Institutional holders with a total value of $256,033,194.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Boston Partners 5,539,110 27,917,000 10.90%
2 JENNISON ASSOCIATES LLC 5,378,148 27,106,000 10.59%
3 DIMENSIONAL FUND ADVISORS LP 5,106,822 25,739,000 10.05%
4 RUTABAGA CAPITAL MANAGEMENT LLC/MA 4,332,044 21,834,000 8.53%
5 WELLINGTON MANAGEMENT GROUP LLP 3,461,767 17,448,000 6.81%
6 SEGALL BRYANT & HAMILL, LLC 2,522,435 12,713,000 4.97%
7 VANGUARD GROUP INC 1,957,143 9,865,000 3.85%
8 BlackRock Institutional Trust Company, N.A. 1,556,488 7,845,000 3.06%
9 Walthausen & Co., LLC 1,545,085 7,787,000 3.04%
10 BlackRock Fund Advisors 1,512,802 7,625,000 2.98%
11 AMERICAN CENTURY COMPANIES INC 1,501,810 7,569,000 2.96%
12 NORTHERN TRUST CORP 1,466,348 7,390,000 2.89%
13 RUSSELL FRANK CO/ 1,193,364 6,014,000 2.35%
14 Bank of New York Mellon Corp 1,144,372 5,768,000 2.25%
15 AMERIPRISE FINANCIAL INC 1,034,470 5,215,000 2.04%
16 VAN DEN BERG MANAGEMENT I, INC 993,994 5,010,000 1.96%
17 STATE STREET CORP 892,472 4,502,000 1.76%
18 Minerva Advisors LLC 768,477 3,874,000 1.51%
19 KENNEDY CAPITAL MANAGEMENT LLC 737,367 3,716,000 1.45%
20 PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 695,202 3,504,000 1.37%
21 Merion Investment Management LP 580,937 2,928,000 1.14%
22 MORGAN STANLEY 527,736 2,659,000 1.04%
23 CREDIT SUISSE AG/ 369,016 1,860,000 0.73%
24 GEODE CAPITAL MANAGEMENT, LLC 365,911 1,844,000 0.72%
25 MARATHON CAPITAL MANAGEMENT 360,400 1,816,000 0.71%
26 BRIDGEWAY CAPITAL MANAGEMENT, LLC 354,550 1,787,000 0.70%
27 D. E. Shaw & Co., Inc. 319,855 1,612,000 0.63%
28 ALPINE WOODS CAPITAL INVESTORS, LLC 283,700 1,430,000 0.56%
29 North Star Investment Management Corp. 269,675 1,359,000 0.53%
30 Asset Management One Co., Ltd. 233,300 1,176,000 0.46%
31 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 231,600 1,167,000 0.46%
32 BlackRock Investment Management, LLC 229,423 1,156,000 0.45%
33 KEELEY ASSET MANAGEMENT CORP 192,345 969,000 0.38%
34 BANK OF AMERICA CORP /DE/ 191,814 967,000 0.38%
35 TIAA CREF INVESTMENT MANAGEMENT LLC 186,660 941,000 0.37%
36 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 180,677 911,000 0.36%
37 RAYMOND JAMES & ASSOCIATES 170,348 859,000 0.34%
38 GUGGENHEIM CAPITAL LLC 151,138 762,000 0.30%
39 GOLDEN GATE PRIVATE EQUITY, INC. 143,083 721,000 0.28%
40 PARAMETRIC PORTFOLIO ASSOCIATES LLC 122,600 618,000 0.24%
41 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 109,915 554,000 0.22%
42 Municipal Employees' Retirement System of Michigan 103,580 522,000 0.20%
43 AWM Investment Company, Inc. 100,000 504,000 0.20%
44 CHELSEA COUNSEL CO 97,972 494,000 0.19%
45 Invesco Ltd. 97,501 491,000 0.19%
46 TEACHERS ADVISORS, LLC 93,446 471,000 0.18%
47 STONEBRIDGE CAPITAL MANAGEMENT INC 87,058 438,000 0.17%
48 Swiss National Bank 85,900 433,000 0.17%
49 RHUMBLINE ADVISERS 79,495 401,000 0.16%
50 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 72,967 368,000 0.14%
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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.