VANGUARD GROUP INC - AMERICAN SUPERCONDUCTOR CORP ownership

AMERICAN SUPERCONDUCTOR CORP's ticker is AMSC and the CUSIP is 030111108. A total of 76 filers reported holding AMERICAN SUPERCONDUCTOR CORP in Q4 2013. The put-call ratio across all filers is 1.31 and the average weighting 0.0%.

Quarter-by-quarter ownership
VANGUARD GROUP INC ownership history of AMERICAN SUPERCONDUCTOR CORP
ValueSharesWeighting
Q4 2014$1,575,000
-43.8%
2,126,621
+7.1%
0.00%
Q3 2014$2,801,000
-1.1%
1,986,345
+14.3%
0.00%
Q2 2014$2,833,000
+3.0%
1,738,052
+1.7%
0.00%
Q1 2014$2,751,000
+14.7%
1,708,952
+16.8%
0.00%
Q4 2013$2,399,000
-31.8%
1,463,134
-2.7%
0.00%
Q3 2013$3,518,000
-6.8%
1,503,594
+5.2%
0.00%
Q2 2013$3,774,0001,429,8130.00%
Other shareholders
AMERICAN SUPERCONDUCTOR CORP shareholders Q4 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