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Great Lakes Dredge & Dock

210 hedge funds and large institutions have $658M invested in Great Lakes Dredge & Dock in 2025 Q3 according to their latest regulatory filings, with 34 funds opening new positions, 71 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: 80.69%80.69% (-0%)

2% less capital invested

Capital invested by funds: $668M → $658M (-$10.3M)

8% less repeat investments, than reductions

Existing positions increased: 71 | Existing positions reduced: 77

Holders
210
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
WG
101
Winton Group
United Kingdom
$545K
State Board of Administration of Florida Retirement System
102
State Board of Administration of Florida Retirement System
Florida
$516K
CH
103
Canton Hathaway
Rhode Island
$513K
QT
104
Quantbot Technologies
New York
$491K
FRM
105
Fox Run Management
Connecticut
$460K
AA
106
ALPS Advisors
Colorado
$453K
SOW
107
State of Wyoming
Wyoming
$433K
MIM
108
MetLife Investment Management
New Jersey
$426K
T. Rowe Price Associates
109
T. Rowe Price Associates
Maryland
$421K
IIM
110
INTECH Investment Management
Florida
$410K
GCM
111
Graham Capital Management
Connecticut
$397K
Mirae Asset Global ETFs Holdings
112
Mirae Asset Global ETFs Holdings
Hong Kong
$375K
MF
113
Magnetar Financial
Illinois
$365K
Teacher Retirement System of Texas
114
Teacher Retirement System of Texas
Texas
$362K
KeyBank National Association
115
KeyBank National Association
Ohio
$362K
AC
116
Aristeia Capital
Connecticut
$357K
Janus Henderson Group
117
Janus Henderson Group
United Kingdom
$350K
Verition Fund Management
118
Verition Fund Management
Connecticut
$349K
SAI
119
Systematic Alpha Investments
New Jersey
$343K
OAM
120
Oxford Asset Management
United Kingdom
$332K
AIP
121
ARS Investment Partners
New York
$329K
TDC
122
Thompson Davis & Co
Virginia
$319K
Zurich Cantonal Bank
123
Zurich Cantonal Bank
Switzerland
$278K
B
124
Bailard
California
$277K
Manulife (Manufacturers Life Insurance)
125
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$269K