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Great Lakes Dredge & Dock

190 hedge funds and large institutions have $668M invested in Great Lakes Dredge & Dock in 2025 Q2 according to their latest regulatory filings, with 30 funds opening new positions, 77 increasing their positions, 56 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 capital invested

Capital invested by funds: $ → $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

7% more first-time investments, than exits

New positions opened: 30 | Existing positions closed: 28

0% more funds holding

Funds holding: 190190 (0)

3.05% less ownership

Funds ownership: 83.76%80.71% (-3.1%)

Holders
190
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 -$27.1M
2 -$8.01M
3 -$5.38M
4
PMG
Private Management Group
California
-$5.08M
5
BlackRock
BlackRock
New York
-$3.94M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$461K
102
$445K
103
$442K
104
$431K
105
$427K
106
$415K
107
$411K
108
$410K
109
$410K
110
$406K
111
$368K
112
$356K
113
$344K
114
$335K
115
$315K
116
$297K
117
$290K
118
$288K
119
$283K
120
$249K
121
$244K
122
$243K
123
$240K
124
$236K
125
$233K