GROUP ONE TRADING, L.P. - AMERICAN SUPERCONDUCTOR CP CMN STK ownership

AMERICAN SUPERCONDUCTOR CP CMN STK's ticker is and the CUSIP is 030111908. A total of 1 filers reported holding AMERICAN SUPERCONDUCTOR CP CMN STK in Q3 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of AMERICAN SUPERCONDUCTOR CP CMN STK
ValueSharesWeighting
Q2 2013$57,00021,5000.00%
Other shareholders
AMERICAN SUPERCONDUCTOR CP CMN STK shareholders Q3 2013
NameSharesValueWeighting ↓
Citadel Advisors 11,000$26,0000.00%
View complete list of AMERICAN SUPERCONDUCTOR CP CMN STK shareholders