GLDD

Great Lakes Dredge & Dock

Delisted

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

181 hedge funds and large institutions have $929M invested in Great Lakes Dredge & Dock in 2026 Q1 according to their latest regulatory filings, with 55 funds opening new positions, 42 increasing their positions, 64 reducing their positions, and 88 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: 55 | Existing positions closed: 88

Holders
181
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
JF
201
Jump Financial
Illinois
ZIM
202
Zacks Investment Management
Illinois
Jane Street
203
Jane Street
New York
JCIA
204
Jackson Creek Investment Advisors
Colorado
LPL Financial
205
LPL Financial
California
Tudor Investment Corp
206
Tudor Investment Corp
Connecticut
Mackenzie Financial
207
Mackenzie Financial
Ontario, Canada
PAM
208
Panagora Asset Management
Massachusetts
Thrivent Financial for Lutherans
209
Thrivent Financial for Lutherans
Minnesota
LCM
210
Legato Capital Management
California
Verition Fund Management
211
Verition Fund Management
Connecticut
CCIA
212
Campbell & Co Investment Adviser
Maryland
Acadian Asset Management
213
Acadian Asset Management
Massachusetts
N
214
Numerai
California
A
215
AlphaQuest
New York
SEI Investments
216
SEI Investments
Pennsylvania
MF
217
Magnetar Financial
Illinois
ACA
218
American Capital Advisory
Idaho
State Board of Administration of Florida Retirement System
219
State Board of Administration of Florida Retirement System
Florida
WG
220
Winton Group
United Kingdom
AC
221
Aristeia Capital
Connecticut
FRM
222
Fox Run Management
Connecticut
NCGI
223
Next Century Growth Investors
Minnesota
Janus Henderson Group
224
Janus Henderson Group
United Kingdom
GCM
225
Graham Capital Management
Connecticut