MARSHALL WACE, LLP - GREAT LAKES DREDGE & DOCK CO ownership

GREAT LAKES DREDGE & DOCK CO's ticker is GLDD and the CUSIP is 390607109. A total of 143 filers reported holding GREAT LAKES DREDGE & DOCK CO in Q4 2022. The put-call ratio across all filers is 139.94 and the average weighting 0.1%.

Quarter-by-quarter ownership
MARSHALL WACE, LLP ownership history of GREAT LAKES DREDGE & DOCK CO
ValueSharesWeighting
Q3 2023$1,324,583
+272.8%
166,196
+281.7%
0.00%
+200.0%
Q2 2023$355,295
-66.1%
43,541
-77.4%
0.00%
-50.0%
Q1 2023$1,048,234
+584.5%
193,045
+650.1%
0.00%
Q4 2022$153,136
-79.7%
25,737
-71.7%
0.00%
-100.0%
Q1 2020$756,000
+6200.0%
91,100
+8617.7%
0.01%
Q4 2019$12,0001,0450.00%
Other shareholders
GREAT LAKES DREDGE & DOCK CO shareholders Q4 2022
NameSharesValueWeighting ↓
WYNNEFIELD CAPITAL INC 1,515,000$10,029,0005.09%
Minerva Advisors LLC 1,111,333$7,345,0004.70%
Harvey Partners, LLC 271,500$1,797,0004.52%
Walthausen & Co., LLC 1,993,026$13,194,0001.83%
22NW, LP 256,994$1,701,0001.06%
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 781,227$5,172,0001.01%
EAM Global Investors LLC 229,887$1,522,0000.83%
PRIVATE MANAGEMENT GROUP INC 1,752,291$11,600,0000.64%
FALCON POINT CAPITAL, LLC 93,521$619,0000.37%
Atom Investors LP 531,173$3,516,0000.35%
View complete list of GREAT LAKES DREDGE & DOCK CO shareholders