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 ↓
CM Management, LLC 300,000$1,314,0001.47%
AWM Investment Company, Inc. 1,784,192$7,815,0001.19%
FORMULA GROWTH LTD 65,000$285,0000.08%
ROYCE & ASSOCIATES LP 1,522,305$6,668,0000.08%
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 55,000$241,0000.07%
Joule Financial, LLC 22,031$96,0000.07%
XTX Topco Ltd 52,753$231,0000.06%
GSA CAPITAL PARTNERS LLP 75,080$329,0000.04%
ArrowMark Colorado Holdings LLC 650,000$2,847,0000.04%
TFC Financial Management, Inc. 22,550$99,0000.03%
View complete list of AMERICAN SUPERCONDUCTOR CORP shareholders