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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
51
$2.66M
52
$2.56M
53
$2.4M
54
$2.35M
55
$2.28M
56
$2.19M
57
$2.06M
58
$2.02M
59
$2M
60
$1.97M
61
$1.9M
62
$1.8M
63
$1.75M
64
$1.54M
65
$1.38M
66
$1.3M
67
$1.29M
68
$1.23M
69
$1.22M
70
$1.21M
71
$1.18M
72
$1.08M
73
$1.05M
74
$1.02M
75
$976K