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GLDD

Great Lakes Dredge & Dock
GLDD

Delisted

GLDD was delisted on the 31st of March, 2026.

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191 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

5,068% more call options, than puts

Call options by funds: $10.6M | Put options by funds: $205K

38% more capital invested

Capital invested by funds: $484M → $668M (+$184M)

38% more repeat investments, than reductions

Existing positions increased: 77 | Existing positions reduced: 56

33% more funds holding in top 10

Funds holding in top 10: 3 → 4 (+1)

7% more first-time investments, than exits

New positions opened: 30 | Existing positions closed: 28

0% more funds holding

Funds holding: 191 → 191 (0)

3.18% less ownership

Funds ownership: 83.88% → 80.71% (-3.2%)

Holders
191
Holders Change
–
Holders Change %
0%
% 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
30
Increased
77
Reduced
56
Closed
28
Calls
$10.6M
Puts
$205K
Net Calls
+$10.4M
Net Calls Change
+$11.3M

Top Buyers

Rank Fund Capital Flow
1
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$7.62M
2
CSS
Cubist Systematic Strategies
Connecticut
+$4.1M
3
Renaissance Technologies
Renaissance Technologies
New York
+$2.79M
4
Allspring Global Investments
Allspring Global Investments
North Carolina
+$2.58M
5
Two Sigma Investments
Two Sigma Investments
New York
+$2.47M

Top Sellers

Rank Fund Capital Flow
1
AllianceBernstein
AllianceBernstein
Tennessee
-$27.1M
2
CP
CenterBook Partners
Connecticut
-$8.01M
3
Jennison Associates
Jennison Associates
New York
-$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
Principal Financial Group
101
Principal Financial Group
Iowa
$461K +$393K +37,812 New
Mirae Asset Global ETFs Holdings
102
Mirae Asset Global ETFs Holdings
Hong Kong
$445K -$28.2K -2,716 -7%
ERSOT
103
Employees Retirement System of Texas
Texas
$442K +$377K +36,245 New
Royal Bank of Canada
104
Royal Bank of Canada
Ontario, Canada
$431K +$2.88K +277 +0.8%
SOW
105
State of Wyoming
Wyoming
$427K +$364K +35,006 New
Mackenzie Financial
106
Mackenzie Financial
Ontario, Canada
$415K +$354K +34,085 New
KeyBank National Association
107
KeyBank National Association
Ohio
$411K -$6.28K -604 -2%
Lazard Asset Management
108
Lazard Asset Management
New York
$410K +$350K +33,636 New
Teacher Retirement System of Texas
109
Teacher Retirement System of Texas
Texas
$410K -$89.1K -8,567 -20%
T. Rowe Price Associates
110
T. Rowe Price Associates
Maryland
$406K +$51.3K +4,936 +17%
CC
111
Corton Capital
Ontario, Canada
$368K -$7.57K -728 -2%
Janus Henderson Group
112
Janus Henderson Group
$356K – – –
PWM
113
Prosperity Wealth Management
California
$344K +$293K +28,200 New
AIP
114
ARS Investment Partners
New York
$335K +$40.7K +3,918 +17%
FRM
115
Fox Run Management
Connecticut
$315K -$451K -43,404 -63%
Manulife (Manufacturers Life Insurance)
116
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$297K +$7.38K +710 +3%
ACM
117
Aquatic Capital Management
Illinois
$290K +$247K +23,761 New
XT
118
XTX Topco
Cayman Islands
$288K +$89.7K +8,627 +58%
Zurich Cantonal Bank
119
Zurich Cantonal Bank
Switzerland
$283K +$17.5K +1,685 +8%
QCG
120
Quadrant Capital Group
Ohio
$249K -$18K -1,730 -8%
PA
121
PharVision Advisers
Florida
$244K +$28.4K +2,731 +16%
CAU
122
Caxton Associates (UK)
$243K +$207K +19,917 New
A
123
AlphaQuest
New York
$240K +$74.1K +7,127 +57%
ASRS
124
Arizona State Retirement System
Arizona
$236K +$790 +76 +0.4%
VOYA Investment Management
125
VOYA Investment Management
Georgia
$233K +$2.92K +281 +1%
3 4
5
6 7

GLDD Hedge Fund Activity: Q2 2025 in Review

191 of the 7,604 institutional investors tracked by Wall St. Rank reported a position in Great Lakes Dredge & Dock (GLDD) for Q2 2025, worth a combined $668M — up 38% from $484M a quarter earlier.

Buyers outnumbered sellers: 30 funds opened new GLDD positions and 28 closed out — a net gain of 2 holders — while 77 added to existing stakes and 56 trimmed.

The largest buyer was Arrowstreet Capital, adding an estimated $7.62M. The largest seller was AllianceBernstein, cutting an estimated $27.1M.

  • 191 institutional investors held Great Lakes Dredge & Dock (GLDD) as of Q2 2025, unchanged from Q1 2025.
  • Funds reported $668M of Great Lakes Dredge & Dock stock for Q2 2025, up 38% quarter-over-quarter.
  • 30 funds opened new Great Lakes Dredge & Dock positions in Q2 2025 and 28 closed out, a net change of +2 holders.
  • The largest Great Lakes Dredge & Dock buyer in Q2 2025 was Arrowstreet Capital, an estimated $7.62M added.
  • The largest Great Lakes Dredge & Dock seller in Q2 2025 was AllianceBernstein, an estimated $27.1M sold.

Based on aggregated 13F filings for Q2 2025.