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Great Lakes Dredge & Dock
GLDD

Overview Fund Activity

187 hedge funds and large institutions have $664M invested in Great Lakes Dredge & Dock in 2025 Q2 according to their latest regulatory filings, with 29 funds opening new positions, 77 increasing their positions, 54 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
187
Holders Change
-2
Holders Change %
-1.06%
% of All Funds
2.51%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.05%
New
29
Increased
77
Reduced
54
Closed
28
Calls
$10.6M
Puts
$205K
Net Calls
+$10.4M
Net Calls Change
+$11.3M

Top Buyers

1
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
$10.3M
2
CSS
Cubist Systematic Strategies
Connecticut
$6M
3
Renaissance Technologies
Renaissance Technologies
New York
$4.69M
4
Allspring Global Investments
Allspring Global Investments
North Carolina
$2.93M
5
Two Sigma Investments
Two Sigma Investments
New York
$4.25M

Top Sellers

1
AllianceBernstein
AllianceBernstein
Tennessee
$961K
2
CP
CenterBook Partners
Connecticut
$4.28M
3
Jennison Associates
Jennison Associates
New York
$58.4M
4
PMG
Private Management Group
California
$7.97M
5
BlackRock
BlackRock
New York
$82.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$82.7M -$4.62M -378,765 -5%
Jennison Associates
2
Jennison Associates
New York
$58.4M -$6.3M -517,056 -10%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$52.3M -$600K -49,239 -1%
Vanguard Group
4
Vanguard Group
Pennsylvania
$47.4M -$269K -22,084 -0.6%
HP
5
Harvey Partners
New York
$45.5M – – –
American Century Companies
6
American Century Companies
Missouri
$26.6M +$2.56M +210,134 +11%
TG
7
TCW Group
California
$25.4M -$826K -67,800 -3%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$20.2M +$625K +51,269 +3%
State Street
9
State Street
Massachusetts
$19.8M +$687K +56,336 +4%
MA
10
Minerva Advisors
Pennsylvania
$16.9M – – –
Arrowstreet Capital
11
Arrowstreet Capital
Massachusetts
$10.3M +$8.94M +733,312 +680%
Morgan Stanley
12
Morgan Stanley
New York
$9.67M +$1.13M +92,518 +13%
JPMorgan Chase & Co
13
JPMorgan Chase & Co
New York
$9.62M +$2.03M +166,166 +27%
Northern Trust
14
Northern Trust
Illinois
$8.42M +$720K +59,040 +9%
PMG
15
Private Management Group
California
$7.97M -$5.96M -488,992 -43%
NCGI
16
Next Century Growth Investors
Minnesota
$7.9M -$207K -16,992 -3%
LCOV
17
London Company of Virginia
Virginia
$7.84M – – –
NL
18
Nuveen LLC
North Carolina
$7.52M +$1.97M +161,997 +36%
PGCM
19
Prescott Group Capital Management
Oklahoma
$7.03M – – –
Charles Schwab
20
Charles Schwab
California
$6.78M +$240K +19,722 +4%
CSS
21
Cubist Systematic Strategies
Connecticut
$6M +$4.81M +394,543 +404%
CastleKeep Investment Advisors
22
CastleKeep Investment Advisors
Connecticut
$5.82M -$235K -19,249 -4%
BNP Paribas Financial Markets
23
BNP Paribas Financial Markets
France
$5.72M +$566K +46,430 +11%
Citadel Advisors
24
Citadel Advisors
Florida
$5.71M -$584K -47,931 -9%
D.E. Shaw & Co
25
D.E. Shaw & Co
New York
$5.34M -$774K -63,527 -13%
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