Institutional Ownership American Superconductor Corp (AMSC)
This table provides information about the institutional ownership of American Superconductor Corp (AMSC). We have compiled data on the 299 institutions that hold shares in the stock, with a total of 32.4 Million shares, which have been reported (via 13F filing form) to have a value of $1.1 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Morgan Stanley
New York, NY |
Nov 14, 2025 Q3 2025 |
335,765
shares
|
$11.4 Million
0.0% of portfolio
|
Q3 2025
Reduced 41.13%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Nov 13, 2025 Q3 2025 |
323,989
shares
|
$11 Million
0.03% of portfolio
|
Q3 2025
New holding
|
|
|
Emerald Mutual Fund Advisers Trust
|
Oct 30, 2025 Q3 2025 |
307,737
shares
|
$10.5 Million
1.04% of portfolio
|
Q3 2025
Added 43.86%
|
|
|
Algert Global LLC
San Francisco, CA |
Nov 14, 2025 Q3 2025 |
287,880
shares
|
$9.81 Million
0.29% of portfolio
|
Q3 2025
Added 39.95%
|
|
|
Invesco Ltd.
Atlanta, GA |
Nov 13, 2025 Q3 2025 |
285,406
shares
|
$9.73 Million
0.0% of portfolio
|
Q3 2025
Added 79.17%
|
|
|
Axiom Investors LLC
Greenwich, CT |
Nov 14, 2025 Q3 2025 |
264,660
shares
|
$9.02 Million
0.12% of portfolio
|
Q3 2025
New holding
|
|
|
Legal & General Group PLC
London, X0 |
Nov 13, 2025 Q3 2025 |
259,563
shares
|
$8.85 Million
0.0% of portfolio
|
Q3 2025
Reduced 37.76%
|
|
|
Qube Research & Technologies LTD
London, X0 |
Nov 14, 2025 Q3 2025 |
257,595
shares
|
$8.78 Million
0.02% of portfolio
|
Q3 2025
Added 97.97%
|
|
|
Essex Investment Management CO LLC
Boston, MA |
Nov 06, 2025 Q3 2025 |
245,581
shares
|
$8.37 Million
2.55% of portfolio
|
Q3 2025
Reduced 29.03%
|
|
|
Wells Fargo & Company
San Francisco, CA |
Nov 13, 2025 Q3 2025 |
217,826
shares
|
$7.42 Million
0.0% of portfolio
|
Q3 2025
Reduced 1.35%
|
|
|
Panagora Asset Management Inc
Boston, MA |
Nov 13, 2025 Q3 2025 |
202,594
shares
|
$6.9 Million
0.05% of portfolio
|
Q3 2025
Added 17.8%
|
|
|
Allspring Global Investments Holdings, LLC
|
Oct 20, 2025 Q3 2025 |
199,571
shares
|
$6.8 Million
0.02% of portfolio
|
Q3 2025
Reduced 27.0%
|
|
|
Scout Investments, Inc.
|
Nov 12, 2024 Q3 2024 |
198,035
shares
|
$6.75 Million
0.14% of portfolio
|
Q3 2024
New holding
|
|
|
Bank Of America Corp
Charlotte, NC |
Nov 14, 2025 Q3 2025 |
198,030
shares
|
$6.75 Million
0.0% of portfolio
|
Q3 2025
Added 17.08%
|
|
|
Ubs Group Ag
|
Nov 13, 2025 Q3 2025 |
193,734
shares
|
$6.6 Million
0.0% of portfolio
|
Q3 2025
Reduced 2.35%
|
|
|
Voloridge Investment Management, LLC
Jupiter, FL |
Nov 14, 2025 Q3 2025 |
171,606
shares
|
$5.85 Million
0.04% of portfolio
|
Q3 2025
New holding
|
|
|
Aqr Capital Management LLC
Greenwich, CT |
Nov 14, 2025 Q3 2025 |
168,751
shares
|
$5.75 Million
0.01% of portfolio
|
Q3 2025
Reduced 0.08%
|
|
|
Raymond James Financial Inc
St. Petersburg, FL |
Nov 14, 2025 Q3 2025 |
167,316
shares
|
$5.7 Million
0.0% of portfolio
|
Q3 2025
Added 0.24%
|
|
|
Clari Vest Asset Management LLC
San Diego, CA |
Nov 12, 2024 Q3 2024 |
156,560
shares
|
$5.34 Million
0.37% of portfolio
|
Q2 2024
Added 79.42%
|
|
|
Palisades Investment Partners, LLC
Santa Monica, CA |
Oct 30, 2025 Q3 2025 |
141,109
shares
|
$4.81 Million
3.29% of portfolio
|
Q3 2025
Added 0.43%
|
|
|
Jane Street Group, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
136,102
shares
|
$4.64 Million
0.0% of portfolio
|
Q3 2025
Reduced 17.06%
|
|
|
Castleark Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
135,617
shares
|
$4.62 Million
0.27% of portfolio
|
Q3 2025
Added 24.23%
|
|
|
Next Century Growth Investors LLC
Minneapolis, MN |
Nov 14, 2025 Q3 2025 |
128,220
shares
|
$4.37 Million
0.63% of portfolio
|
Q3 2025
New holding
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Nov 14, 2025 Q3 2025 |
127,171
shares
|
$4.33 Million
0.0% of portfolio
|
Q3 2025
Added 33.49%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Nov 14, 2025 Q3 2025 |
122,502
shares
|
$4.17 Million
0.0% of portfolio
|
Q3 2025
Reduced 51.35%
|
|