Portolan Capital Management - AMERICAN SUPERCONDUCTOR CORP ownership

AMERICAN SUPERCONDUCTOR CORP's ticker is AMSC and the CUSIP is 030111207. A total of 107 filers reported holding AMERICAN SUPERCONDUCTOR CORP in Q1 2021. The put-call ratio across all filers is 1.01 and the average weighting 0.0%.

Quarter-by-quarter ownership
Portolan Capital Management ownership history of AMERICAN SUPERCONDUCTOR CORP
ValueSharesWeighting
Q4 2020$3,910,000166,9350.36%
Other shareholders
AMERICAN SUPERCONDUCTOR CORP shareholders Q1 2021
NameSharesValueWeighting ↓
AWM Investment Company, Inc. 1,854,241$13,999,5202.07%
CM Management, LLC 200,000$1,510,0001.60%
ESSEX INVESTMENT MANAGEMENT CO LLC 700,833$5,291,2890.86%
EAM Investors, LLC 156,157$1,178,9850.23%
Legato Capital Management LLC 89,667$676,9860.10%
ROYCE & ASSOCIATES LP 1,246,260$9,409,2630.10%
Joule Financial, LLC 22,046$166,4470.08%
GSA CAPITAL PARTNERS LLP 118,875$8980.08%
ArrowMark Colorado Holdings LLC 381,432$2,879,8120.04%
Trexquant Investment LP 170,880$1,290,1440.03%
View complete list of AMERICAN SUPERCONDUCTOR CORP shareholders