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 |
|---|---|---|---|---|---|---|---|
|
Nov 13, 2025
Q3 2025
|
Fuller & Thaler Asset Management, Inc.
San Mateo, CA |
BUY
|
- |
810KNew |
$29.1M - $52.3M
|
810K
$27.6M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
- |
619K+ 463.21% |
$22.3M - $40M
|
753K
$25.7M
|
|
|
Nov 13, 2025
Q3 2025
|
Arrowstreet Capital, Limited Partnership
Boston, MA |
BUY
|
- |
524K+ 221.69% |
$18.9M - $33.9M
|
760K
$25.9M
|
|
|
Nov 07, 2025
Q3 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
503K+ 20.55% |
$18.1M - $32.5M
|
2.95M
$101M
|
|
|
Nov 14, 2025
Q3 2025
|
Driehaus Capital Management LLC
Chicago, IL |
BUY
|
- |
379K+ 45.14% |
$13.6M - $24.5M
|
1.22M
$41.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
BUY
|
- |
368K+ 1322.94% |
$13.3M - $23.8M
|
396K
$13.5M
|
|
|
Nov 13, 2025
Q3 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
BUY
|
- |
324KNew |
$11.7M - $20.9M
|
324K
$11M
|
|
|
Nov 14, 2025
Q3 2025
|
Axiom Investors LLC
Greenwich, CT |
BUY
|
- |
265KNew |
$9.52M - $17.1M
|
265K
$9.02M
|
|
|
Nov 14, 2025
Q3 2025
|
Voloridge Investment Management, LLC
Jupiter, FL |
BUY
|
- |
172KNew |
$6.17M - $11.1M
|
172K
$5.85M
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
145K+ 14.1% |
$5.22M - $9.38M
|
1.17M
$40M
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
130K+ 13.8% |
$4.67M - $8.39M
|
1.07M
$36.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Next Century Growth Investors LLC
Minneapolis, MN |
BUY
|
- |
128KNew |
$4.61M - $8.29M
|
128K
$4.37M
|
|
|
Nov 14, 2025
Q3 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
- |
127K+ 97.97% |
$4.59M - $8.24M
|
258K
$8.78M
|
|
|
Nov 13, 2025
Q3 2025
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
126K+ 79.17% |
$4.54M - $8.15M
|
285K
$9.73M
|
|
|
Nov 12, 2025
Q3 2025
|
First Trust Advisors LP
Wheaton, IL |
BUY
|
- |
121K+ 35.79% |
$4.35M - $7.81M
|
458K
$15.6M
|
|
|
Nov 14, 2025
Q3 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
116K+ 11.34% |
$4.16M - $7.48M
|
1.14M
$38.7M
|
|
|
Nov 14, 2025
Q3 2025
|
Wolverine Trading, LLC
Chicago, IL |
BUY
|
PUT |
101KNew |
$3.64M - $6.53M
|
101K
$3.45M
|
|
|
Nov 14, 2025
Q3 2025
|
Engineers Gate Manager LP
New York, NY |
BUY
|
- |
97.5KNew |
$3.51M - $6.3M
|
97.5K
$3.32M
|
|
|
Oct 30, 2025
Q3 2025
|
Emerald Mutual Fund Advisers Trust
|
BUY
|
- |
93.8K+ 43.86% |
$3.38M - $6.06M
|
308K
$10.5M
|
|
|
Nov 04, 2025
Q3 2025
|
Meridian Wealth Management, LLC
|
BUY
|
- |
91.1KNew |
$3.28M - $5.89M
|
91.1K
$3.1M
|
|
|
Nov 10, 2025
Q3 2025
|
Telemark Asset Management, LLC
Boston, MA |
BUY
|
- |
90K+ 15.0% |
$3.24M - $5.82M
|
690K
$23.5M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
CALL |
84.7K+ 973.56% |
$3.05M - $5.47M
|
93.4K
$3.18M
|
|
|
Nov 14, 2025
Q3 2025
|
Algert Global LLC
San Francisco, CA |
BUY
|
- |
82.2K+ 39.95% |
$2.96M - $5.31M
|
288K
$9.81M
|
|
|
Nov 13, 2025
Q3 2025
|
Prudential Financial Inc
Newark, NJ |
BUY
|
- |
72K+ 204.78% |
$2.59M - $4.65M
|
107K
$3.65M
|
|
|
Oct 30, 2025
Q3 2025
|
Universal Beteiligungs Und Servicegesellschaft Mb H
Frankfurt Am Main, 2M |
BUY
|
- |
69.2K+ 697.73% |
$2.49M - $4.47M
|
79.1K
$2.7M
|
|
|
Oct 28, 2025
Q3 2025
|
Stephens Investment Management Group LLC
|
BUY
|
- |
67.9KNew |
$2.44M - $4.39M
|
67.9K
$2.31M
|
|
|
Nov 10, 2025
Q3 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
65.3K+ 20.21% |
$2.35M - $4.22M
|
388K
$13.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Cetera Investment Advisers
Schaumburg, IL |
BUY
|
- |
64.3K+ 1063.84% |
$2.31M - $4.16M
|
70.4K
$2.4M
|
|
|
Nov 07, 2025
Q3 2025
|
Jpmorgan Chase & CO
New York, NY |
BUY
|
- |
56.4K+ 96.57% |
$2.03M - $3.65M
|
115K
$3.92M
|
|
|
Nov 14, 2025
Q3 2025
|
Northern Trust Corp
Chicago, IL |
BUY
|
- |
50.7K+ 14.85% |
$1.82M - $3.28M
|
392K
$13.4M
|
|
|
Nov 12, 2025
Q3 2025
|
Victory Capital Management Inc
|
BUY
|
- |
41.4KNew |
$1.49M - $2.67M
|
41.4K
$1.41M
|
|
|
Nov 12, 2025
Q3 2025
|
Group One Trading, L.P.
Chicago, IL |
BUY
|
- |
39.6K+ 542.59% |
$1.42M - $2.56M
|
46.9K
$1.6M
|
|
|
Nov 04, 2025
Q3 2025
|
Principal Financial Group Inc
Des Moines, IA |
BUY
|
- |
39.4KNew |
$1.42M - $2.55M
|
39.4K
$1.34M
|
|
|
Nov 12, 2025
Q3 2025
|
Private Advisor Group, LLC
|
BUY
|
- |
37.7KNew |
$1.36M - $2.44M
|
37.7K
$1.28M
|
|
|
Oct 14, 2025
Q3 2025
|
Hwg Holdings LP
Houston, TX |
BUY
|
- |
35.5KNew |
$1.28M - $2.29M
|
35.5K
$1.21M
|
|
|
Nov 14, 2025
Q3 2025
|
Verition Fund Management LLC
Greenwich, CT |
BUY
|
- |
34K+ 91.36% |
$1.22M - $2.2M
|
71.2K
$2.43M
|
|
|
Nov 14, 2025
Q3 2025
|
Wolverine Trading, LLC
Chicago, IL |
BUY
|
- |
33.3KNew |
$1.2M - $2.15M
|
33.3K
$1.13M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
- |
31.9K+ 33.49% |
$1.15M - $2.06M
|
127K
$4.33M
|
|
|
Nov 13, 2025
Q3 2025
|
Panagora Asset Management Inc
Boston, MA |
BUY
|
- |
30.6K+ 17.8% |
$1.1M - $1.98M
|
203K
$6.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
28.9K+ 17.08% |
$1.04M - $1.87M
|
198K
$6.75M
|
|
|
Nov 14, 2025
Q3 2025
|
Parallax Volatility Advisers, L.P.
San Francisco, CA |
BUY
|
CALL |
27.5KNew |
$989K - $1.78M
|
27.5K
$937K
|
|
|
Nov 14, 2025
Q3 2025
|
Castleark Management LLC
Chicago, IL |
BUY
|
- |
26.4K+ 24.23% |
$952K - $1.71M
|
136K
$4.62M
|
|
|
Nov 13, 2025
Q3 2025
|
Met Life Investment Management, LLC
Whippany, NJ |
BUY
|
- |
25.4KNew |
$914K - $1.64M
|
25.4K
$866K
|
|
|
Oct 23, 2025
Q3 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
24.2K+ 319.16% |
$872K - $1.57M
|
31.8K
$1.08M
|
|
|
Nov 13, 2025
Q3 2025
|
Sei Investments CO
Oaks, PA |
BUY
|
- |
24.1K+ 57.34% |
$868K - $1.56M
|
66.2K
$2.26M
|
|
|
Nov 13, 2025
Q3 2025
|
Virtus ETF Advisers LLC
New York, NY |
BUY
|
- |
24.1K+ 1277.32% |
$867K - $1.56M
|
26K
$886K
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
23.4K+ 12.05% |
$842K - $1.51M
|
218K
$7.42M
|
|
|
Nov 14, 2025
Q3 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
- |
21.8K+ 78.54% |
$784K - $1.41M
|
49.5K
$1.69M
|
|
|
Nov 14, 2025
Q3 2025
|
Credit Agricole S A
|
BUY
|
- |
21.5KNew |
$775K - $1.39M
|
21.5K
$734K
|
|
|
Oct 30, 2025
Q3 2025
|
Emerald Advisers, LLC
|
BUY
|
- |
21.1K+ 4.23% |
$760K - $1.37M
|
521K
$17.8M
|
|