Renaissance Technologies - GREAT LAKES DREDGE & DOCK CO ownership

GREAT LAKES DREDGE & DOCK CO's ticker is GLDD and the CUSIP is 390607109. A total of 147 filers reported holding GREAT LAKES DREDGE & DOCK CO in Q4 2020. The put-call ratio across all filers is 0.47 and the average weighting 0.3%.

Quarter-by-quarter ownership
Renaissance Technologies ownership history of GREAT LAKES DREDGE & DOCK CO
ValueSharesWeighting
Q3 2023$4,863
-18.3%
610,201
-16.4%
0.01%
-11.1%
Q2 2023$5,955
+1.0%
729,801
-32.8%
0.01%
+12.5%
Q1 2023$5,894
-21.4%
1,085,501
-13.8%
0.01%
-20.0%
Q4 2022$7,494
-99.9%
1,259,535
-1.7%
0.01%
-28.6%
Q3 2022$9,708,000
-49.7%
1,280,801
-13.0%
0.01%
-39.1%
Q2 2022$19,304,000
-7.7%
1,472,501
-1.3%
0.02%
-8.0%
Q1 2022$20,922,000
-13.6%
1,491,201
-3.1%
0.02%
-16.7%
Q4 2021$24,204,000
-1.2%
1,539,701
-5.2%
0.03%
-6.2%
Q3 2021$24,509,000
-5.7%
1,624,201
-8.7%
0.03%0.0%
Q2 2021$26,004,000
-17.0%
1,779,901
-17.2%
0.03%
-17.9%
Q1 2021$31,342,000
+2.4%
2,149,666
-7.5%
0.04%
+18.2%
Q4 2020$30,612,000
+30.3%
2,324,401
-5.9%
0.03%
+43.5%
Q3 2020$23,497,000
+1.3%
2,470,801
-1.3%
0.02%
+15.0%
Q2 2020$23,190,000
+11.2%
2,504,301
-0.3%
0.02%0.0%
Q1 2020$20,850,000
-16.7%
2,512,001
+13.7%
0.02%
+5.3%
Q4 2019$25,029,000
+18.3%
2,209,101
+9.1%
0.02%
+5.6%
Q3 2019$21,164,000
+47.2%
2,025,301
+55.5%
0.02%
+38.5%
Q2 2019$14,376,000
+139.9%
1,302,200
+93.6%
0.01%
+160.0%
Q1 2019$5,992,000
+212.7%
672,500
+132.4%
0.01%
+150.0%
Q4 2018$1,916,000
+161.4%
289,400
+144.8%
0.00%
+100.0%
Q3 2018$733,000
+73.3%
118,200
+37.9%
0.00%
Q2 2018$423,000
+118.0%
85,700
+103.6%
0.00%
Q1 2018$194,000
-53.5%
42,100
-45.5%
0.00%
Q4 2017$417,000
+25.2%
77,200
-2.6%
0.00%
-100.0%
Q4 2016$333,000
+75.3%
79,263
+46.2%
0.00%
Q3 2016$190,000
+57.0%
54,200
+95.7%
0.00%
Q2 2016$121,000
-90.3%
27,700
-86.7%
0.00%
-100.0%
Q1 2015$1,249,000
-25.2%
207,900
+6.6%
0.00%
-25.0%
Q4 2014$1,670,000
+87.2%
195,100
+35.1%
0.00%
+100.0%
Q3 2014$892,000
+546.4%
144,400
+734.7%
0.00%
Q2 2014$138,00017,3000.00%
Other shareholders
GREAT LAKES DREDGE & DOCK CO shareholders Q4 2020
NameSharesValueWeighting ↓
Minerva Advisors LLC 1,208,298$9,6186.72%
Price Jennifer C. 1,033,874$8,239,9764.76%
Harvey Partners, LLC 3,430,000$27,337,1003.47%
Oppenheimer & Close, LLC 349,200$2,783,1242.78%
Cove Street Capital, LLC 757,875$5,987,2132.02%
WYNNEFIELD CAPITAL INC 367,125$2,925,9861.34%
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 546,870$4,359,0000.97%
Flat Footed LLC 805,655$6,421,0710.72%
WITTENBERG INVESTMENT MANAGEMENT, INC. 200,324$1,5970.58%
EVR Research LP 222,892$1,776,4490.47%
View complete list of GREAT LAKES DREDGE & DOCK CO shareholders