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Great Lakes Dredge & Dock

188 hedge funds and large institutions have $665M 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, 55 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

4% more first-time investments, than exits

New positions opened: 29 | Existing positions closed: 28

1% less funds holding

Funds holding: 189188 (-1)

3.06% less ownership

Funds ownership: 83.41%80.35% (-3.1%)

Holders
188
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$10.6M
Puts
$205K
Net Calls
Net Calls Change

Top Sellers

1 -$31.8M
2 -$9.4M
3 -$6.3M
4
PMG
Private Management Group
California
-$5.96M
5
BlackRock
BlackRock
New York
-$4.62M
Name Holding Trade Value Shares
Change
Change in
Stake
Mirae Asset Global ETFs Holdings
101
Mirae Asset Global ETFs Holdings
Hong Kong
$445K
ERSOT
102
Employees Retirement System of Texas
Texas
$442K
Royal Bank of Canada
103
Royal Bank of Canada
Ontario, Canada
$431K
SOW
104
State of Wyoming
Wyoming
$427K
Mackenzie Financial
105
Mackenzie Financial
Ontario, Canada
$415K
KeyBank National Association
106
KeyBank National Association
Ohio
$411K
Lazard Asset Management
107
Lazard Asset Management
New York
$410K
Teacher Retirement System of Texas
108
Teacher Retirement System of Texas
Texas
$410K
T. Rowe Price Associates
109
T. Rowe Price Associates
Maryland
$406K
CC
110
Corton Capital
Ontario, Canada
$368K
Janus Henderson Group
111
Janus Henderson Group
United Kingdom
$356K
PWM
112
Prosperity Wealth Management
California
$344K
AIP
113
ARS Investment Partners
New York
$335K
FRM
114
Fox Run Management
Connecticut
$315K
Manulife (Manufacturers Life Insurance)
115
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$297K
ACM
116
Aquatic Capital Management
Illinois
$290K
XT
117
XTX Topco
Cayman Islands
$288K
Zurich Cantonal Bank
118
Zurich Cantonal Bank
Switzerland
$283K
QCG
119
Quadrant Capital Group
Ohio
$249K
PA
120
PharVision Advisers
Florida
$244K
CAU
121
Caxton Associates (UK)
$243K
A
122
AlphaQuest
New York
$240K
ASRS
123
Arizona State Retirement System
Arizona
$236K
VOYA Investment Management
124
VOYA Investment Management
Georgia
$233K
AWM
125
AE Wealth Management
Kansas
$216K