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, Q1 2022
Institutional positions in American Superconductor Corp as of Mar 31, 2022. 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
- 107
- 0 vs. Q4 2021
- Shares held
- 15.7M
- −703.4K (−4.3%) vs. Q4 2021
- Total value
- $119.5M
- −$58.7M (−32.9%) vs. Q4 2021
- New holders
- 20
- 36 more added
- Sold out
- 20
- 26 more reduced
Compare with Q4 2021: 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, Q1 2022
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royce & Associates LP | 779,600 | $5.93M | 0.05% | +30,000+4.0% | Added |
| AWM Investment Company, Inc. | 962,242 | $7.32M | 0.94% | +107,708+12.6% | Added |
| State Street Corp | 1,050,312 | $7.99M | 0.00% | −44,167−4.0% | Reduced |
| Vanguard Group Inc | 1,229,451 | $9.36M | 0.00% | +18,425+1.5% | Added |
| Baillie Gifford & Co | 1,491,370 | $11.3M | 0.01% | 00.0% | Unchanged |
| BlackRock Inc. | 1,847,222 | $14.1M | 0.00% | −58,927−3.1% | Reduced |
| Invesco Ltd. | 2,116,695 | $16.1M | 0.00% | +44,479+2.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0 | $0 | 0.00% | −1,269,870−100.0% | Sold out |
| Baird Financial Group, Inc. | 0 | $0 | 0.00% | −207,964−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −37,890−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −35,653−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −35,286−100.0% | Sold out |
| Anson Funds Management LP | 0 | $0 | 0.00% | −22,208−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −16,331−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −13,181−100.0% | Sold out |
| Cavalry Management Group, LLC | 0 | $0 | 0.00% | −11,283−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −10,424−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −10,317−100.0% | Sold out |
| Investors Asset Management of Georgia Inc | 0 | $0 | 0.00% | −10,200−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −6,500−100.0% | Sold out |
| Farmers & Merchants Investments Inc | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| FinTrust Capital Advisors, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −176−100.0% | Sold out |
| CoreCap Advisors, LLC | 0 | $0 | 0.00% | −220−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −15−100.0% | Sold out |