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 220 institutions that hold shares in the stock, with a total of 28.1 Million shares, which have been reported (via 13F filing form) to have a value of $1.18 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Wellington Management Group LLP
Boston, MA |
May 13, 2025 Q1 2025 |
289,173
shares
|
$12.2 Million
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Invesco Ltd.
Atlanta, GA |
May 12, 2025 Q1 2025 |
243,523
shares
|
$10.2 Million
0.0% of portfolio
|
Q1 2025
Added 23.13%
|
|
|
Trexquant Investment LP
Stamford, CT |
May 14, 2025 Q1 2025 |
242,369
shares
|
$10.2 Million
0.05% of portfolio
|
Q1 2025
New holding
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
May 15, 2025 Q1 2025 |
225,682
shares
|
$9.5 Million
0.0% of portfolio
|
Q1 2025
Added 878.46%
|
|
|
Aqr Capital Management LLC
Greenwich, CT |
May 15, 2025 Q1 2025 |
211,164
shares
|
$8.89 Million
0.0% of portfolio
|
Q1 2025
Reduced 17.59%
|
|
|
Scout Investments, Inc.
|
Nov 12, 2024 Q3 2024 |
198,035
shares
|
$8.34 Million
0.14% of portfolio
|
Q3 2024
New holding
|
|
|
Hillsdale Investment Management Inc.
Toronto, A6 |
May 09, 2025 Q1 2025 |
190,400
shares
|
$8.01 Million
0.19% of portfolio
|
Q1 2025
Added 3.59%
|
|
|
Ubs Group Ag
|
May 13, 2025 Q1 2025 |
175,212
shares
|
$7.37 Million
0.0% of portfolio
|
Q1 2025
Reduced 58.86%
|
|
|
Raymond James Financial Inc
St. Petersburg, FL |
May 13, 2025 Q1 2025 |
157,889
shares
|
$6.65 Million
0.0% of portfolio
|
Q1 2025
Reduced 61.83%
|
|
|
Clari Vest Asset Management LLC
San Diego, CA |
Nov 12, 2024 Q3 2024 |
156,560
shares
|
$6.59 Million
0.37% of portfolio
|
Q2 2024
Added 79.42%
|
|
|
Andrew Hill Investment Advisors, Inc.
Naples, FL |
Jul 10, 2025 Q2 2025 |
152,779
shares
|
$6.43 Million
4.69% of portfolio
|
Q2 2025
Added 109.6%
|
|
|
Capital Fund Management S.A.
Paris, I0 |
May 14, 2025 Q1 2025 |
147,473
shares
|
$6.21 Million
0.01% of portfolio
|
Q1 2025
Added 203.31%
|
|
|
Panagora Asset Management Inc
Boston, MA |
May 15, 2025 Q1 2025 |
145,314
shares
|
$6.12 Million
0.01% of portfolio
|
Q1 2025
Added 97.4%
|
|
|
Palisades Investment Partners, LLC
Santa Monica, CA |
Jul 17, 2025 Q2 2025 |
140,498
shares
|
$5.91 Million
2.25% of portfolio
|
Q2 2025
Reduced 2.84%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
May 15, 2025 Q1 2025 |
131,561
shares
|
$5.54 Million
0.0% of portfolio
|
Q1 2025
Reduced 49.37%
|
|
|
Arrow Mark Colorado Holdings LLC
Denver, CO |
May 15, 2025 Q1 2025 |
130,432
shares
|
$5.49 Million
0.04% of portfolio
|
Q1 2025
Reduced 10.93%
|
|
|
Jane Street Group, LLC
New York, NY |
May 19, 2025 Q1 2025 |
121,539
shares
|
$5.12 Million
0.0% of portfolio
|
Q1 2025
Added 314.22%
|
|
|
Twinbeech Capital LP
Purchase, NY |
May 15, 2025 Q1 2025 |
115,458
shares
|
$4.86 Million
0.04% of portfolio
|
Q1 2025
New holding
|
|
|
Cubist Systematic Strategies, LLC
Stamford, CT |
May 15, 2025 Q1 2025 |
109,285
shares
|
$4.6 Million
0.01% of portfolio
|
Q1 2025
New holding
|
|
|
Connor, Clark & Lunn Investment Management Ltd.
|
May 12, 2025 Q1 2025 |
108,571
shares
|
$4.57 Million
0.01% of portfolio
|
Q1 2025
Reduced 60.84%
|
|
|
Gmt Capital Corp
Atlanta, GA |
May 15, 2025 Q1 2025 |
108,066
shares
|
$4.55 Million
0.11% of portfolio
|
Q1 2024
New holding
|
|
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
May 12, 2025 Q1 2025 |
107,406
shares
|
$4.52 Million
0.0% of portfolio
|
Q4 2024
Reduced 86.81%
|
|
|
Algert Global LLC
San Francisco, CA |
May 13, 2025 Q1 2025 |
95,658
shares
|
$4.03 Million
0.04% of portfolio
|
Q1 2025
Added 52.91%
|
|
|
Baird Financial Group, Inc.
Milwaukee, WI |
May 15, 2025 Q1 2025 |
85,766
shares
|
$3.61 Million
0.0% of portfolio
|
Q1 2025
Added 26.23%
|
|
|
Rice Hall James & Associates, LLC
|
May 01, 2025 Q1 2025 |
82,749
shares
|
$3.48 Million
0.1% of portfolio
|
Q1 2025
Reduced 0.46%
|