ESSEX INVESTMENT MANAGEMENT CO LLC - AMERICAN SUPERCONDUCTOR CORP ownership

AMERICAN SUPERCONDUCTOR CORP's ticker is AMSC and the CUSIP is 030111207. A total of 60 filers reported holding AMERICAN SUPERCONDUCTOR CORP in Q3 2017. The put-call ratio across all filers is 0.18 and the average weighting 0.0%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of AMERICAN SUPERCONDUCTOR CORP
ValueSharesWeighting
Q3 2023$5,291,289
+39.5%
700,833
+332.6%
0.86%
+83.4%
Q4 2020$3,794,000
+44.7%
161,994
-10.6%
0.47%
+25.6%
Q3 2020$2,622,000
+83.9%
181,107
+3.3%
0.38%
+60.3%
Q2 2020$1,426,000
+8.3%
175,381
-27.0%
0.23%
-12.4%
Q1 2020$1,317,000
-25.1%
240,329
+7.3%
0.27%
+23.6%
Q4 2019$1,759,000
+2155.1%
224,059
+1205.2%
0.22%
+1863.6%
Q3 2017$78,00017,1670.01%
Other shareholders
AMERICAN SUPERCONDUCTOR CORP shareholders Q3 2017
NameSharesValueWeighting ↓
AWM Investment Company, Inc. 854,534$9,297,0000.93%
Arosa Capital Management LP 250,000$2,720,0000.67%
CM Management, LLC 80,000$870,0000.66%
Tatro Capital, LLC 21,711$236,0000.17%
FORMULA GROWTH LTD 65,000$707,0000.13%
GSA CAPITAL PARTNERS LLP 63,176$687,0000.09%
Aristides Capital LLC 16,331$178,0000.08%
TFC Financial Management, Inc. 22,550$245,0000.07%
ROYCE & ASSOCIATES LP 749,600$8,156,0000.06%
INVESTORS ASSET MANAGEMENT OF GEORGIA INC /GA/ /ADV 10,200$111,0000.05%
View complete list of AMERICAN SUPERCONDUCTOR CORP shareholders