American Superconductor Corp
AMSC- Exchange
- Nasdaq
- Industry
- Motors & Generators
- SEC CIK
- 0000880807
No open-market purchases or sales by American Superconductor Corp insiders were filed in the last 90 days; 277 institutions reported holding it in 13F filings for Q2 2026, worth $1.47B in total; no superinvestor holds it.
13F holders, Q4 2024
Institutional positions in American Superconductor Corp as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 191
- +24 vs. Q3 2024
- Shares held
- 27.5M
- +671.1K (+2.5%) vs. Q3 2024
- Total value
- $678.1M
- +$44.4M (+7.0%) vs. Q3 2024
- New holders
- 55
- 59 more added
- Sold out
- 31
- 51 more reduced
4 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMSC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 277 | $1.47B |
| Q1 2026 | 245 | $1.12B |
| Q4 2025 | 240 | $953.2M |
| Q3 2025 | 273 | $1.94B |
| Q2 2025 | 232 | $1.20B |
| Q1 2025 | 189 | $499.8M |
| Q4 2024 | 191 | $678.1M |
| Q3 2024 | 171 | $642.6M |
| Q2 2024 | 155 | $636.1M |
| Q1 2024 | 128 | $312.0M |
| Q4 2023 | 99 | $178.8M |
| Q3 2023 | 72 | $100.0M |
| Q2 2023 | 77 | $81.9M |
| Q1 2023 | 74 | $64.6M |
| Q4 2022 | 77 | $48.4M |
| Q3 2022 | 82 | $61.0M |
| Q2 2022 | 93 | $68.6M |
| Q1 2022 | 107 | $119.5M |
| Q4 2021 | 107 | $178.2M |
| Q3 2021 | 101 | $243.3M |
| Q2 2021 | 105 | $284.8M |
| Q1 2021 | 104 | $311.2M |
Institutions, Q4 2024
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Petrus Trust Company, LTA | 0 | $0 | 0.00% | −20,940−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −20,867−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −20,557−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −19,319−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −15,400−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −14,022−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −13,298−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −12,938−100.0% | Sold out |
| Precision Wealth Strategies, LLC | 0 | $0 | 0.00% | −12,733−100.0% | Sold out |
| Greenwich Wealth Management LLC | 0 | $0 | 0.00% | −11,924−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −10,736−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −10,688−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −10,062−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −9,066−100.0% | Sold out |
| Cookson Peirce & Co Inc | 0 | $0 | 0.00% | −9,000−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −8,928−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −8,772−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −6,611−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −3,642−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Arrow Financial Corp | 0 | $0 | 0.00% | −345−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −201−100.0% | Sold out |
| Scout Investments, Inc. | – | – | – | – | Not filed |
| ClariVest Asset Management LLC | – | – | – | – | Not filed |
| Raymond James & Associates | – | – | – | – | Not filed |
| Naples Money Management LLC | – | – | – | – | Not filed |