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 219 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 $1.16 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
2,544,019
shares
|
$105 Million
0.0% of portfolio
|
Q2 2024
Added 240.9%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
May 09, 2025 Q1 2025 |
2,287,585
shares
|
$94.7 Million
0.0% of portfolio
|
Q1 2025
Added 2.91%
|
|
|
Awm Investment Company, Inc.
New York, NY |
May 15, 2025 Q1 2025 |
1,558,478
shares
|
$64.5 Million
4.51% of portfolio
|
Q1 2025
Added 2.97%
|
|
|
Baillie Gifford & CO
|
May 07, 2025 Q1 2025 |
1,518,890
shares
|
$62.9 Million
0.02% of portfolio
|
Q1 2025
Reduced 7.93%
|
|
|
Hood River Capital Management LLC
Palm Beach Gardens, FL |
May 15, 2025 Q1 2025 |
1,239,096
shares
|
$51.3 Million
0.43% of portfolio
|
Q1 2025
Added 0.24%
|
|
|
Macquarie Group LTD
Australia, C3 |
May 15, 2025 Q1 2025 |
1,026,822
shares
|
$42.5 Million
0.02% of portfolio
|
Q1 2025
Reduced 1.28%
|
|
|
State Street Corp
Boston, MA |
May 15, 2025 Q1 2025 |
890,047
shares
|
$36.8 Million
0.0% of portfolio
|
Q1 2025
Reduced 2.12%
|
|
|
Geode Capital Management, LLC
Boston, MA |
May 13, 2025 Q1 2025 |
881,681
shares
|
$36.5 Million
0.0% of portfolio
|
Q1 2025
Added 2.95%
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
878,624
shares
|
$36.4 Million
0.01% of portfolio
|
Q4 2024
Reduced 14.72%
|
|
|
Royce & Associates LP
|
May 06, 2025 Q1 2025 |
867,342
shares
|
$35.9 Million
0.18% of portfolio
|
Q1 2025
Added 3.39%
|
|
|
Driehaus Capital Management LLC
Chicago, IL |
May 15, 2025 Q1 2025 |
839,843
shares
|
$34.8 Million
0.17% of portfolio
|
Q1 2025
Reduced 10.91%
|
|
|
Atreides Management, LP
Boston, MA |
May 15, 2025 Q1 2025 |
824,040
shares
|
$34.1 Million
0.52% of portfolio
|
Q1 2025
New holding
|
|
|
Nuveen, LLC
Charlotte, NC |
May 12, 2025 Q1 2025 |
778,566
shares
|
$32.2 Million
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Oberweis Asset Management Inc
Lisle, IL |
May 15, 2025 Q1 2025 |
668,200
shares
|
$27.7 Million
0.64% of portfolio
|
Q1 2025
Added 0.57%
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
May 13, 2025 Q1 2025 |
668,152
shares
|
$27.6 Million
0.0% of portfolio
|
Q1 2025
Added 2.12%
|
|
|
Telemark Asset Management, LLC
Boston, MA |
May 12, 2025 Q1 2025 |
600,000
shares
|
$24.8 Million
1.57% of portfolio
|
Q2 2024
Added 50.0%
|
|
|
Morgan Stanley
New York, NY |
May 15, 2025 Q1 2025 |
509,897
shares
|
$21.1 Million
0.0% of portfolio
|
Q1 2025
Added 16.37%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Jun 26, 2025 Q1 2025 |
481,961
shares
|
$19.9 Million
0.0% of portfolio
|
Q1 2025
Added 54.61%
|
|
|
Qube Research & Technologies LTD
London, X0 |
May 15, 2025 Q1 2025 |
409,407
shares
|
$16.9 Million
0.01% of portfolio
|
Q1 2025
Added 122.54%
|
|
|
Essex Investment Management CO LLC
Boston, MA |
May 07, 2025 Q1 2025 |
372,221
shares
|
$15.4 Million
1.52% of portfolio
|
Q1 2025
Reduced 13.41%
|
|
|
Legal & General Group PLC
London, X0 |
May 15, 2025 Q1 2025 |
364,530
shares
|
$15.1 Million
0.0% of portfolio
|
Q2 2024
Reduced 98.52%
|
|
|
Allspring Global Investments Holdings, LLC
|
Apr 24, 2025 Q1 2025 |
341,030
shares
|
$14.1 Million
0.01% of portfolio
|
Q1 2025
Reduced 9.63%
|
|
|
First Trust Advisors LP
Wheaton, IL |
May 14, 2025 Q1 2025 |
330,552
shares
|
$13.7 Million
0.01% of portfolio
|
Q1 2025
Reduced 1.34%
|
|
|
Northern Trust Corp
Chicago, IL |
May 13, 2025 Q1 2025 |
330,513
shares
|
$13.7 Million
0.0% of portfolio
|
Q1 2025
Added 0.83%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
May 09, 2025 Q1 2025 |
309,681
shares
|
$12.8 Million
0.0% of portfolio
|
Q1 2025
Reduced 2.58%
|