American Superconductor - 15 Year Stock Price History | AMSC
Historical daily share price chart and data for American Superconductor since 2011 adjusted for splits and dividends. The latest closing stock price for American Superconductor as of September 15, 2026 is 27.70.
- The all-time high American Superconductor stock closing price was 66.68 on October 15, 2025.
- The American Superconductor 52-week high stock price is 70.49, which is 154.5% above the current share price.
- The American Superconductor 52-week low stock price is 24.87, which is 10.2% below the current share price.
- The average American Superconductor stock price for the last 52 weeks is 39.14.
| American Superconductor Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2026 | 36.4079 | 31.5800 | 58.7200 | 25.9500 | 27.7000 | -3.75% |
| 2025 | 35.9475 | 25.5500 | 66.6800 | 15.8000 | 28.7800 | 16.85% |
| 2024 | 19.9898 | 10.8400 | 36.8100 | 9.6700 | 24.6300 | 121.10% |
| 2023 | 6.6769 | 3.5800 | 16.1300 | 3.5800 | 11.1400 | 202.72% |
| 2022 | 5.8479 | 11.0200 | 11.0200 | 3.2900 | 3.6800 | -66.18% |
| 2021 | 17.1716 | 23.3600 | 30.0600 | 10.7500 | 10.8800 | -53.54% |
| 2020 | 10.6246 | 7.8900 | 25.7600 | 4.6400 | 23.4200 | 198.34% |
| 2019 | 10.1577 | 11.7500 | 16.0600 | 7.3700 | 7.8500 | -29.60% |
| 2018 | 6.5554 | 3.8100 | 12.3200 | 3.8100 | 11.1500 | 207.16% |
| 2017 | 4.8690 | 7.4200 | 7.7000 | 2.9700 | 3.6300 | -50.75% |
| 2016 | 7.8303 | 6.6300 | 11.9000 | 5.6100 | 7.3700 | 15.70% |
| 2015 | 5.8989 | 8.2000 | 10.4000 | 3.4800 | 6.3700 | -13.92% |
| 2014 | 14.9147 | 17.4000 | 23.1000 | 7.2000 | 7.4000 | -54.88% |
| 2013 | 24.3056 | 28.3000 | 32.7000 | 13.9000 | 16.4000 | -37.40% |
| 2012 | 39.6072 | 37.1000 | 60.3000 | 24.5000 | 26.2000 | -29.00% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Computer and Technology | Miscelleneous Electrical Components | $1.322B | $0.299B |
| American Superconductor Corporation is a leading energy technologies company. The company develops and sells a wide range of products and solutions based on power electronic systems and high temperature superconductor wires that dramatically improve the efficiency, reliability and quality of electricity during its generation, transmission, distribution and use. The company is a dominant force in alternative energy, offering grid interconnection solutions as well as licensed wind energy designs and electrical systems. As the world's principal supplier of HTS wire, AMSC is enabling a new generation of compact, high-power electrical products, including power cables, grid-level surge protectors, motors, generators, and advanced transportation and defense systems. AMSC also provides utility and industrial customers worldwide with voltage regulation systems that dramatically enhance power grid capacity, reliability and security, as well as industrial productivity. | |||
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