ARDSLEY ADVISORY PARTNERS LP - GREAT LAKES DREDGE & DOCK CO ownership

GREAT LAKES DREDGE & DOCK CO's ticker is GLDD and the CUSIP is 390607109. A total of 109 filers reported holding GREAT LAKES DREDGE & DOCK CO in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
ARDSLEY ADVISORY PARTNERS LP ownership history of GREAT LAKES DREDGE & DOCK CO
ValueSharesWeighting
Q4 2014$209,000
-43.8%
24,400
-51.2%
0.03%
-56.6%
Q3 2013$372,000
-53.2%
50,000
-50.8%
0.08%
-56.6%
Q2 2013$795,000101,7000.18%
Other shareholders
GREAT LAKES DREDGE & DOCK CO shareholders Q1 2015
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