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GLDD

Great Lakes Dredge & Dock

Delisted

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

182 hedge funds and large institutions have $931M invested in Great Lakes Dredge & Dock in 2026 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 42 increasing their positions, 64 reducing their positions, and 90 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: $ → $

less ownership

Funds ownership:

less funds holding

Funds holding:

25% less funds holding in top 10

Funds holding in top 10: 43 (-1)

34% less repeat investments, than reductions

Existing positions increased: 42 | Existing positions reduced: 64

38% less first-time investments, than exits

New positions opened: 56 | Existing positions closed: 90

Holders
182
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$13.4M
Puts
$1.68M
Net Calls
Net Calls Change

Top Buyers

1 +$47M
2 +$42.5M
3 +$25.9M
4
Two Sigma Investments
Two Sigma Investments
New York
+$22.6M
5
WIC
Water Island Capital
New York
+$20.1M

Top Sellers

1 -$49.3M
2 -$44.2M
3 -$24.6M
4
BlackRock
BlackRock
New York
-$15.6M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$14.6M
Name Holding Trade Value Shares
Change
Change in
Stake
TI
201
Trexquant Investment
Connecticut
JF
202
Jump Financial
Illinois
ZIM
203
Zacks Investment Management
Illinois
Jane Street
204
Jane Street
New York
JCIA
205
Jackson Creek Investment Advisors
Colorado
LPL Financial
206
LPL Financial
California
Tudor Investment Corp
207
Tudor Investment Corp
Connecticut
Mackenzie Financial
208
Mackenzie Financial
Ontario, Canada
SSCM
209
Seven Six Capital Management
New York
PAM
210
Panagora Asset Management
Massachusetts
Thrivent Financial for Lutherans
211
Thrivent Financial for Lutherans
Minnesota
LCM
212
Legato Capital Management
California
Verition Fund Management
213
Verition Fund Management
Connecticut
CCIA
214
Campbell & Co Investment Adviser
Maryland
Acadian Asset Management
215
Acadian Asset Management
Massachusetts
N
216
Numerai
California
A
217
AlphaQuest
New York
SEI Investments
218
SEI Investments
Pennsylvania
MF
219
Magnetar Financial
Illinois
ACA
220
American Capital Advisory
Idaho
State Board of Administration of Florida Retirement System
221
State Board of Administration of Florida Retirement System
Florida
WG
222
Winton Group
United Kingdom
AC
223
Aristeia Capital
Connecticut
FRM
224
Fox Run Management
Connecticut
NCGI
225
Next Century Growth Investors
Minnesota