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 2021
Institutional positions in American Superconductor Corp as of Dec 31, 2021. 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
- +6 vs. Q3 2021
- Shares held
- 16.4M
- −335.5K (−2.0%) vs. Q3 2021
- Total value
- $178.2M
- −$65.2M (−26.8%) vs. Q3 2021
- New holders
- 21
- 35 more added
- Sold out
- 15
- 25 more reduced
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Raffa Wealth Management, LLC | 124 | $1.35K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 128 | $1.00K | 0.00% | −616−82.8% | Reduced |
| Captrust Financial Advisors | 70 | $1.00K | 0.00% | −42−37.5% | Reduced |
| Whittier Trust Co of Nevada Inc | 40 | $0 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 15 | $0 | 0.00% | 00.0% | Unchanged |
| Hudock, Inc. | 4 | $0 | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 10 | $0 | 0.00% | 00.0% | Unchanged |
| AIGH Capital Management LLC | 0 | $0 | 0.00% | −395,487−100.0% | Sold out |
| GMT Capital Corp | 0 | $0 | 0.00% | −108,066−100.0% | Sold out |
| Worth Venture Partners, LLC | 0 | $0 | 0.00% | −90,681−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −80,537−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −43,808−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −38,982−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −27,701−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −15,557−100.0% | Sold out |
| Alpha Paradigm Partners, LLC | 0 | $0 | 0.00% | −13,594−100.0% | Sold out |
| Migdal Insurance & Financial Holdings Ltd. | 0 | $0 | 0.00% | −13,191−100.0% | Sold out |
| F3Logic, LLC | 0 | $0 | 0.00% | −10,500−100.0% | Sold out |
| Gerber Kawasaki Wealth & Investment Management | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −540−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −235−100.0% | Sold out |
| Meridian Wealth Partners, LLC | 0 | $0 | 0.00% | −96−100.0% | Sold out |