WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC - GREAT LAKES DREDGE & DOCK CO ownership

GREAT LAKES DREDGE & DOCK CO's ticker is GLDD and the CUSIP is 390607109. A total of 140 filers reported holding GREAT LAKES DREDGE & DOCK CO in Q1 2023. The put-call ratio across all filers is 34.04 and the average weighting 0.1%.

Quarter-by-quarter ownership
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC ownership history of GREAT LAKES DREDGE & DOCK CO
ValueSharesWeighting
Q3 2023$19,896,029
-9.2%
2,496,365
-7.1%
0.07%
-5.7%
Q2 2023$21,921,220
+53.1%
2,686,424
+1.9%
0.07%
+40.0%
Q1 2023$14,317,422
-8.1%
2,636,726
+0.7%
0.05%
-16.7%
Q4 2022$15,575,452
-24.7%
2,617,723
-4.0%
0.06%
-26.8%
Q3 2022$20,679,000
-43.2%
2,728,112
-1.7%
0.08%
-39.3%
Q2 2022$36,396,000
-8.9%
2,776,216
-2.5%
0.14%
+13.4%
Q1 2022$39,945,000
-2.2%
2,847,114
+9.6%
0.12%
+8.2%
Q4 2021$40,829,000
-10.3%
2,597,268
-13.9%
0.11%
-14.1%
Q3 2021$45,515,000
+48320.2%
3,016,267
+46955.6%
0.13%
Q2 2021$94,0006,4100.00%
Other shareholders
GREAT LAKES DREDGE & DOCK CO shareholders Q1 2023
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