ALLIANCEBERNSTEIN L.P. - AMERICAN SUPERCONDUCTOR CORP ownership

AMERICAN SUPERCONDUCTOR CORP's ticker is AMSC and the CUSIP is 030111108. A total of 77 filers reported holding AMERICAN SUPERCONDUCTOR CORP in Q3 2013. The put-call ratio across all filers is 1.51 and the average weighting 0.0%.

Quarter-by-quarter ownership
ALLIANCEBERNSTEIN L.P. ownership history of AMERICAN SUPERCONDUCTOR CORP
ValueSharesWeighting
Q1 2014$1,0000.0%4540.0%0.00%
Q4 2013$1,000
-98.9%
454
-98.9%
0.00%
Q3 2013$95,000
-38.3%
40,760
-30.2%
0.00%
Q2 2013$154,00058,4060.00%
Other shareholders
AMERICAN SUPERCONDUCTOR CORP shareholders Q3 2013
NameSharesValueWeighting ↓
IRONWOOD INVESTMENT MANAGEMENT LLC 744,730$1,199,0000.17%
Concourse Capital Management, LLC 129,424$208,0000.14%
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 239,055$385,0000.07%
Rotella Capital Management, Inc. 36,942$59,0000.07%
FLOOD GAMBLE ASSOCIATES INC 60,000$77,0000.04%
TFS CAPITAL LLC 323,653$521,0000.03%
CONDOR CAPITAL MANAGEMENT 66,369$107,0000.03%
BONNESS ENTERPRISES INC 10,500$17,0000.02%
JACOBS LEVY EQUITY MANAGEMENT, INC 513,087$826,0000.01%
SCOPIA CAPITAL MANAGEMENT LP 219,367$353,0000.01%
View complete list of AMERICAN SUPERCONDUCTOR CORP shareholders