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

Institutional Holders (2016Q4)
Portfolio Summary: 106 Institutional holders with a total value of $187,014,386.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 DIMENSIONAL FUND ADVISORS LP 5,150,558 21,632,000 11.57%
2 Boston Partners 4,559,006 19,148,000 10.24%
3 JENNISON ASSOCIATES LLC 4,091,923 17,186,000 9.19%
4 WELLINGTON MANAGEMENT GROUP LLP 3,763,560 15,808,000 8.45%
5 Walthausen & Co., LLC 2,400,266 10,081,000 5.39%
6 VANGUARD GROUP INC 2,147,393 9,019,000 4.82%
7 BlackRock Fund Advisors 1,951,698 8,197,000 4.38%
8 BlackRock Institutional Trust Company, N.A. 1,597,084 6,708,000 3.59%
9 RUSSELL INVESTMENTS GROUP, LTD. 1,232,479 5,239,000 2.80%
10 STATE STREET CORP 1,241,442 5,211,000 2.79%
11 Minerva Advisors LLC 1,108,960 4,658,000 2.49%
12 SEGALL BRYANT & HAMILL, LLC 1,102,954 4,632,000 2.48%
13 ROYCE & ASSOCIATES LP 901,574 3,787,000 2.02%
14 PARAMETRIC PORTFOLIO ASSOCIATES LLC 844,162 3,545,000 1.90%
15 NORTHERN TRUST CORP 719,227 3,021,000 1.62%
16 D. E. Shaw & Co., Inc. 651,798 2,737,000 1.46%
17 KENNEDY CAPITAL MANAGEMENT LLC 648,053 2,722,000 1.46%
18 Bank of New York Mellon Corp 639,469 2,685,000 1.44%
19 MORGAN STANLEY 556,564 2,339,000 1.25%
20 22NW, LP 525,762 2,208,000 1.18%
21 TCW GROUP INC 500,000 2,100,000 1.12%
22 Merion Investment Management LP 492,638 2,069,000 1.11%
23 FONDREN MANAGEMENT LP 470,000 1,974,000 1.06%
24 EMANCIPATION MANAGEMENT LLC 460,385 1,933,000 1.03%
25 CREDIT SUISSE AG/ 431,459 1,811,000 0.97%
26 GEODE CAPITAL MANAGEMENT, LLC 429,034 1,801,000 0.96%
27 BRIDGEWAY CAPITAL MANAGEMENT, LLC 354,550 1,489,000 0.80%
28 AMERIPRISE FINANCIAL INC 306,248 1,286,000 0.69%
29 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 303,800 1,276,000 0.68%
30 VICTORY CAPITAL MANAGEMENT INC 284,805 1,196,000 0.64%
31 BlackRock Investment Management, LLC 261,423 1,098,000 0.59%
32 TWO SIGMA INVESTMENTS, LP 231,892 974,000 0.52%
33 TIAA CREF INVESTMENT MANAGEMENT LLC 208,438 875,000 0.47%
34 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 207,248 871,000 0.47%
35 BANK OF AMERICA CORP /DE/ 166,292 698,000 0.37%
36 RAYMOND JAMES & ASSOCIATES 163,366 686,000 0.37%
37 Invesco Ltd. 160,728 675,000 0.36%
38 CLINTON GROUP INC 158,687 666,000 0.36%
39 JPMORGAN CHASE & CO 154,558 649,000 0.35%
40 WELLS FARGO & COMPANY/MN 148,046 622,000 0.33%
41 CITADEL ADVISORS LLC 138,504 582,000 0.31%
42 Spark Investment Management LLC 132,200 555,000 0.30%
43 MILLENNIUM MANAGEMENT LLC 124,173 522,000 0.28%
44 SUSQUEHANNA INTERNATIONAL GROUP, LLP 122,600 515,000 0.28% Call
45 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 121,595 511,000 0.27%
46 SUSQUEHANNA INTERNATIONAL GROUP, LLP 121,302 509,000 0.27%
47 New Jersey Better Educational Savings Trust 120,000 504,000 0.27%
48 TWO SIGMA ADVISERS, LP 106,967 449,000 0.24%
49 Swiss National Bank 103,300 434,000 0.23%
50 TEACHERS ADVISORS, LLC 101,159 425,000 0.23%
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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.