ALLIANCEBERNSTEIN L.P. - AMERICAN SUPERCONDUCTOR CORP ownership

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AMERICAN SUPERCONDUCTOR CORP's ticker is AMSC and the CUSIP is 030111108. A total of 80 filers reported holding AMERICAN SUPERCONDUCTOR CORP in Q2 2013. The put-call ratio across all filers is 0.91 and the average weighting 0.0%.

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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$154,000–58,406–0.00%–
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Other shareholders
AMERICAN SUPERCONDUCTOR CORP shareholders Q2 2013
NameSharesValueWeighting ↓
Vigilant Capital Management, LLC 126$1,0000.00%
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 487,700$323,0000.00%
JFS WEALTH ADVISORS, LLC 10$00.00%
HOWE & RUSLING INC 30$00.00%
View complete list of AMERICAN SUPERCONDUCTOR CORP shareholders