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Great Lakes Dredge & Dock

208 hedge funds and large institutions have $655M invested in Great Lakes Dredge & Dock in 2025 Q3 according to their latest regulatory filings, with 34 funds opening new positions, 69 increasing their positions, 77 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

0% less ownership

Funds ownership: 80.35%80.35% (-0%)

2% less capital invested

Capital invested by funds: $665M → $655M (-$10.2M)

10% less repeat investments, than reductions

Existing positions increased: 69 | Existing positions reduced: 77

Holders
208
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
$3.61M
Puts
$400K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
State Board of Administration of Florida Retirement System
101
State Board of Administration of Florida Retirement System
Florida
$516K
CH
102
Canton Hathaway
Rhode Island
$513K
QT
103
Quantbot Technologies
New York
$491K
FRM
104
Fox Run Management
Connecticut
$460K
AA
105
ALPS Advisors
Colorado
$453K
SOW
106
State of Wyoming
Wyoming
$433K
MIM
107
MetLife Investment Management
New Jersey
$426K
T. Rowe Price Associates
108
T. Rowe Price Associates
Maryland
$421K
IIM
109
INTECH Investment Management
Florida
$410K
GCM
110
Graham Capital Management
Connecticut
$397K
Mirae Asset Global ETFs Holdings
111
Mirae Asset Global ETFs Holdings
Hong Kong
$375K
MF
112
Magnetar Financial
Illinois
$365K
Teacher Retirement System of Texas
113
Teacher Retirement System of Texas
Texas
$362K
KeyBank National Association
114
KeyBank National Association
Ohio
$362K
AC
115
Aristeia Capital
Connecticut
$357K
Janus Henderson Group
116
Janus Henderson Group
United Kingdom
$350K
Verition Fund Management
117
Verition Fund Management
Connecticut
$349K
SAI
118
Systematic Alpha Investments
New Jersey
$343K
OAM
119
Oxford Asset Management
United Kingdom
$332K
AIP
120
ARS Investment Partners
New York
$329K
TDC
121
Thompson Davis & Co
Virginia
$319K
Zurich Cantonal Bank
122
Zurich Cantonal Bank
Switzerland
$278K
B
123
Bailard
California
$277K
Manulife (Manufacturers Life Insurance)
124
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$269K
QCG
125
Quadrant Capital Group
Ohio
$245K