ESSEX INVESTMENT MANAGEMENT CO LLC - GREAT LAKES DREDGE & DOCK CO ownership

GREAT LAKES DREDGE & DOCK CO's ticker is GLDD and the CUSIP is 390607109. A total of 98 filers reported holding GREAT LAKES DREDGE & DOCK CO in Q2 2018. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of GREAT LAKES DREDGE & DOCK CO
ValueSharesWeighting
Q3 2023$2,583,045
+109.0%
324,096
+117.6%
0.42%
+68.8%
Q1 2020$1,236,000
-50.4%
148,946
-32.2%
0.25%
-18.3%
Q4 2019$2,491,000
+8.6%
219,842
+0.2%
0.31%
-7.6%
Q3 2019$2,293,000
-5.4%
219,4550.0%0.33%
-0.6%
Q2 2019$2,423,000
-7.0%
219,455
-25.0%
0.33%
-13.5%
Q1 2019$2,606,000
-36.8%
292,531
-53.0%
0.38%
+18.8%
Q4 2018$4,122,000
+104.2%
622,528
+91.2%
0.32%
+36.7%
Q3 2018$2,019,000
+513.7%
325,593
+419.7%
0.24%
+478.0%
Q2 2018$329,00062,6470.04%
Other shareholders
GREAT LAKES DREDGE & DOCK CO shareholders Q2 2018
NameSharesValueWeighting ↓
Minerva Advisors LLC 982,540$14,827,0008.62%
Harvey Partners, LLC 420,000$6,338,0004.74%
ASHFORD CAPITAL MANAGEMENT INC 3,323,575$50,153,0004.56%
NEUMEIER POMA INVESTMENT COUNSEL LLC 2,462,935$37,166,0002.21%
Euclidean Technologies Management, LLC 164,145$2,477,0002.15%
KESTREL INVESTMENT MANAGEMENT CORP 297,500$4,489,0002.14%
Rock Point Advisors, LLC 389,515$5,878,0001.72%
Walthausen & Co., LLC 385,829$5,822,0001.47%
Mesirow Financial Investment Management, Inc. 31,559$476,0001.40%
WYNNEFIELD CAPITAL INC 132,730$2,003,0001.08%
View complete list of GREAT LAKES DREDGE & DOCK CO shareholders