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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
+$8.94M
2
CSS
Cubist Systematic Strategies
Connecticut
+$4.81M
3
Renaissance Technologies
Renaissance Technologies
New York
+$3.27M
4
Allspring Global Investments
Allspring Global Investments
North Carolina
+$2.93M
5
Two Sigma Investments
Two Sigma Investments
New York
+$2.9M

Top Sellers

1
AllianceBernstein
AllianceBernstein
Tennessee
-$31.8M
2
CP
CenterBook Partners
Connecticut
-$9.4M
3
Jennison Associates
Jennison Associates
New York
-$6.3M
4
PMG
Private Management Group
California
-$5.96M
5
BlackRock
BlackRock
New York
-$4.62M
Name Holding Trade Value Shares
Change 		Shares
Change %
AI
26
Acuitas Investments
Washington
$5.16M – – –
Tudor Investment Corp
27
Tudor Investment Corp
Connecticut
$4.73M +$1.88M +154,251 +66%
Renaissance Technologies
28
Renaissance Technologies
New York
$4.69M +$3.27M +267,988 +230%
Goldman Sachs
29
Goldman Sachs
New York
$4.32M -$1.83M -149,885 -30%
CP
30
CenterBook Partners
Connecticut
$4.28M -$9.4M -770,792 -69%
Two Sigma Investments
31
Two Sigma Investments
New York
$4.25M +$2.9M +237,834 +214%
Millennium Management
32
Millennium Management
New York
$4.25M +$1M +82,165 +31%
Connor, Clark & Lunn Investment Management (CC&L)
33
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$4.17M +$2.31M +189,799 +124%
EIM
34
Essex Investment Management
Massachusetts
$3.64M -$26.1K -2,139 -0.7%
BGIM
35
Brandywine Global Investment Management
Pennsylvania
$3.56M +$578K +47,390 +19%
BNP Paribas Asset Management
36
BNP Paribas Asset Management
France
$3.42M -$105K -8,640 -3%
SSCM
37
Seven Six Capital Management
New York
$3.36M -$1.44M -117,886 -30%
UBS AM
38
UBS AM
Illinois
$3.35M +$338K +27,699 +11%
TI
39
Trexquant Investment
Connecticut
$3.19M +$2.02M +165,469 +172%
Wellington Management Group
40
Wellington Management Group
Massachusetts
$3.12M -$212K -17,396 -6%
Bank of New York Mellon
41
Bank of New York Mellon
New York
$3.02M +$132K +10,831 +5%
Bank of America
42
Bank of America
North Carolina
$2.99M +$1.26M +103,724 +73%
BCM
43
Bridgeway Capital Management
Texas
$2.96M +$237K +19,467 +9%
Allspring Global Investments
44
Allspring Global Investments
North Carolina
$2.93M +$2.93M +248,026 New
Two Sigma Advisers
45
Two Sigma Advisers
New York
$2.86M +$1.11M +91,000 +63%
SBH
46
Segall Bryant & Hamill
Illinois
$2.72M +$2.72M +223,340 New
GCP
47
GSA Capital Partners
United Kingdom
$2.69M +$1.97M +161,501 +272%
First Trust Advisors
48
First Trust Advisors
Illinois
$2.68M +$129K +10,592 +5%
AG
49
Algert Global
California
$2.67M +$579K +47,478 +28%
EF
50
Empowered Funds
Pennsylvania
$2.66M +$237K +19,467 +10%
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