American Superconductor
AMSC
232 hedge funds and large institutions have $1.2B invested in American Superconductor in 2025 Q2 according to their latest regulatory filings, with 70 funds opening new positions, 95 increasing their positions, 47 reducing their positions, and 26 closing their positions.
169% more first-time investments, than exits
New positions opened: 70 | Existing positions closed: 26
150% more funds holding in top 10
Funds holding in top 10: 2 → 5 (+3)
140% more capital invested
Capital invested by funds: $500M → $1.2B (+$701M)
102% more repeat investments, than reductions
Existing positions increased: 95 | Existing positions reduced: 47
40% more call options, than puts
Call options by funds: $64.8M | Put options by funds: $46.1M
23% more funds holding
Funds holding: 189 → 232 (+43)
11.2% more ownership
Funds ownership: 69.81% → 81.01% (+11%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$13.7M |
| 2 |
Goldman Sachs
New York
|
+$13.4M |
| 3 |
EA
Emerald Advisers
Leola,
Pennsylvania
|
+$11.3M |
| 4 |
HCM
Heights Capital Management
San Francisco,
California
|
+$8.36M |
| 5 |
AM
Atreides Management
Boston,
Massachusetts
|
+$6.89M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$6.86M |
| 2 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$5.03M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
-$4.61M |
| 4 |
TC
TwinBeech Capital
Purchase,
New York
|
-$2.09M |
| 5 |
Invesco
Atlanta,
Georgia
|
-$2.07M |
AMSC Hedge Fund Activity: Q2 2025 in Review
232 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in American Superconductor (AMSC) for Q2 2025, worth a combined $1.2B — up 140% from $500M a quarter earlier.
Buyers outnumbered sellers: 70 funds opened new AMSC positions and 26 closed out — a net gain of 44 holders — while 95 added to existing stakes and 47 trimmed.
The largest buyer was Citadel Advisors, adding an estimated $13.7M. The largest seller was Qube Research & Technologies (QRT), cutting an estimated $6.86M.
- 232 institutional investors held American Superconductor (AMSC) as of Q2 2025, up from 189 in Q1 2025.
- Funds reported $1.2B of American Superconductor stock for Q2 2025, up 140% quarter-over-quarter.
- 70 funds opened new American Superconductor positions in Q2 2025 and 26 closed out, a net change of +44 holders.
- The largest American Superconductor buyer in Q2 2025 was Citadel Advisors, an estimated $13.7M added.
- The largest American Superconductor seller in Q2 2025 was Qube Research & Technologies (QRT), an estimated $6.86M sold.
Based on aggregated 13F filings for Q2 2025.