Latest Institutional Purchases of American Superconductor Corp (AMSC)
This list provides information on the latest institutional transactions involving American Superconductor Corp (AMSC) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
558K+ 424.24% |
$8.82M - $20.7M
|
690K
$38.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
547K+ 113.51% |
$8.64M - $20.3M
|
1.03M
$57.5M
|
|
|
Aug 13, 2025
Q2 2025
|
Peak6 LLC
Chicago, IL |
BUY
|
CALL |
496K+ 1711.03% |
$7.84M - $18.4M
|
525K
$29.4M
|
|
|
Aug 04, 2025
Q2 2025
|
Emerald Advisers, LLC
|
BUY
|
- |
461K+ 1191.5% |
$7.29M - $17.1M
|
500K
$27.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Heights Capital Management, Inc
San Francisco, CA |
BUY
|
PUT |
343KNew |
$5.42M - $12.7M
|
343K
$19.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Heights Capital Management, Inc
San Francisco, CA |
BUY
|
- |
340KNew |
$5.37M - $12.6M
|
340K
$19M
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
PUT |
320K+ 941.76% |
$5.06M - $11.9M
|
354K
$19.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Atreides Management, LP
Boston, MA |
BUY
|
- |
280K+ 34.03% |
$4.43M - $10.4M
|
1.1M
$61.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
BUY
|
- |
240K+ 1193.23% |
$3.79M - $8.91M
|
260K
$14.5M
|
|
|
Aug 13, 2025
Q2 2025
|
Arrowstreet Capital, Limited Partnership
Boston, MA |
BUY
|
- |
236KNew |
$3.74M - $8.78M
|
236K
$13.2M
|
|
|
Aug 12, 2025
Q2 2025
|
Nuveen, LLC
Charlotte, NC |
BUY
|
- |
219K+ 28.17% |
$3.47M - $8.14M
|
998K
$55.8M
|
|
|
Aug 04, 2025
Q2 2025
|
Emerald Mutual Fund Advisers Trust
|
BUY
|
- |
201K+ 1598.13% |
$3.18M - $7.47M
|
214K
$12M
|
|
|
Aug 13, 2025
Q2 2025
|
Ghisallo Capital Management LLC
Greenwich, CT |
BUY
|
- |
200KNew |
$3.16M - $7.42M
|
200K
$11.2M
|
|
|
Aug 07, 2025
Q2 2025
|
Lisanti Capital Growth, LLC
|
BUY
|
- |
181KNew |
$2.86M - $6.71M
|
181K
$10.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
- |
174K+ 370.36% |
$2.75M - $6.45M
|
221K
$12.3M
|
|
|
Aug 11, 2025
Q2 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
159K+ 6.97% |
$2.52M - $5.92M
|
2.45M
$137M
|
|
|
Aug 14, 2025
Q2 2025
|
Wellington Management Group LLP
Boston, MA |
BUY
|
- |
142K+ 49.25% |
$2.25M - $5.29M
|
432K
$24.1M
|
|
|
Aug 14, 2025
Q2 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
130K+ 14.62% |
$2.06M - $4.83M
|
1.02M
$57M
|
|
|
Aug 13, 2025
Q2 2025
|
Jump Financial, LLC
Chicago, IL |
BUY
|
- |
129KNew |
$2.03M - $4.77M
|
129K
$7.19M
|
|
|
Aug 13, 2025
Q2 2025
|
Kennedy Capital Management, Inc.
St Louis, MO |
BUY
|
- |
127K+ 661.35% |
$2.01M - $4.71M
|
146K
$8.17M
|
|
|
Aug 14, 2025
Q2 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
116K+ 219.53% |
$1.84M - $4.31M
|
169K
$9.45M
|
|
|
Aug 13, 2025
Q2 2025
|
Algert Global LLC
San Francisco, CA |
BUY
|
- |
110K+ 115.04% |
$1.74M - $4.08M
|
206K
$11.5M
|
|
|
Aug 15, 2025
Q2 2025
|
Castleark Management LLC
Chicago, IL |
BUY
|
- |
109KNew |
$1.72M - $4.05M
|
109K
$6.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
- |
102K+ 223.73% |
$1.61M - $3.78M
|
147K
$8.23M
|
|
|
Jul 10, 2025
Q2 2025
|
Andrew Hill Investment Advisors, Inc.
Naples, FL |
BUY
|
- |
79.9K+ 109.6% |
$1.26M - $2.97M
|
153K
$8.54M
|
|
|
Aug 14, 2025
Q2 2025
|
Two Sigma Investments, LP
New York, NY |
BUY
|
- |
79.5K+ 183.35% |
$1.26M - $2.95M
|
123K
$6.87M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
PUT |
78.9K+ 110.97% |
$1.25M - $2.93M
|
150K
$8.38M
|
|
|
Aug 12, 2025
Q2 2025
|
Eam Investors, LLC
Solana Beach, CA |
BUY
|
- |
75.3KNew |
$1.19M - $2.79M
|
75.3K
$4.21M
|
|
|
Aug 13, 2025
Q2 2025
|
Lumbard & Kellner, LLC
Hollis, NH |
BUY
|
- |
72.4KNew |
$1.14M - $2.69M
|
72.4K
$4.05M
|
|
|
Aug 06, 2025
Q2 2025
|
Penserra Capital Management LLC
Orinda, CA |
BUY
|
- |
68.3KNew |
$1.08M - $2.54M
|
68.3K
$3.82M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Asset Management Americas Inc
Chicago, IL |
BUY
|
- |
62.7K+ 87.58% |
$990K - $2.33M
|
134K
$7.5M
|
|
|
Aug 15, 2025
Q2 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
60.5K+ 11.86% |
$955K - $2.24M
|
570K
$31.9M
|
|
|
Aug 14, 2025
Q2 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
- |
58.7K+ 78.21% |
$927K - $2.18M
|
134K
$7.47M
|
|
|
Aug 08, 2025
Q2 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
58.4K+ 6.63% |
$923K - $2.17M
|
940K
$52.5M
|
|
|
Aug 13, 2025
Q2 2025
|
Centiva Capital, LP
New York, NY |
BUY
|
- |
56.9KNew |
$900K - $2.11M
|
56.9K
$3.18M
|
|
|
Aug 14, 2025
Q2 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
- |
53.1K+ 239.13% |
$839K - $1.97M
|
75.3K
$4.21M
|
|
|
Aug 12, 2025
Q2 2025
|
Legal & General Group PLC
London, X0 |
BUY
|
- |
52.5K+ 14.4% |
$830K - $1.95M
|
417K
$23.3M
|
|
|
Aug 13, 2025
Q2 2025
|
Mackenzie Financial Corp
Toronto Ontario, A6 |
BUY
|
- |
49.8KNew |
$786K - $1.85M
|
49.8K
$2.78M
|
|
|
Aug 13, 2025
Q2 2025
|
Polen Capital
Polen Capital Management LLC | Boca Raton, Fl
|
BUY
|
- |
47.2KNew |
$746K - $1.75M
|
47.2K
$2.64M
|
|
|
Jul 17, 2025
Q2 2025
|
Janney Montgomery Scott LLC
|
BUY
|
- |
45.8KNew |
$723K - $1.7M
|
45.8K
$2.56M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
- |
44.4K+ 87.43% |
$702K - $1.65M
|
95.3K
$5.32M
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
42.6K+ 35.02% |
$673K - $1.58M
|
164K
$9.17M
|
|
|
Aug 13, 2025
Q2 2025
|
Exodus Point Capital Management, LP
New York, NY |
BUY
|
- |
38.1K+ 105.05% |
$602K - $1.41M
|
74.4K
$4.16M
|
|
|
Jul 31, 2025
Q2 2025
|
Kornitzer Capital Management Inc
|
BUY
|
- |
36.7KNew |
$579K - $1.36M
|
36.7K
$2.05M
|
|
|
Aug 12, 2025
Q2 2025
|
Prudential Financial Inc
Newark, NJ |
BUY
|
- |
35.2KNew |
$556K - $1.31M
|
35.2K
$1.97M
|
|
|
Aug 14, 2025
Q2 2025
|
Legato Capital Management LLC
|
BUY
|
- |
34.2K+ 77.09% |
$540K - $1.27M
|
78.6K
$4.39M
|
|
|
Jul 31, 2025
Q2 2025
|
Oppenheimer & CO Inc
New York, NY |
BUY
|
- |
33.6K+ 335.95% |
$531K - $1.25M
|
43.6K
$2.44M
|
|
|
Aug 14, 2025
Q2 2025
|
Aquatic Capital Management LLC
Chicago, IL |
BUY
|
- |
33KNew |
$522K - $1.23M
|
33K
$1.85M
|
|
|
Aug 13, 2025
Q2 2025
|
Barclays PLC
London, X0 |
BUY
|
- |
32.4K+ 67.44% |
$511K - $1.2M
|
80.4K
$4.49M
|
|
|
Aug 14, 2025
Q2 2025
|
Janus Henderson Group PLC
London, X0 |
BUY
|
- |
31K+ 195.96% |
$489K - $1.15M
|
46.8K
$2.61M
|