American Superconductor - 34 Year Stock Price History | AMSC

Historical daily share price chart and data for American Superconductor since 1991 adjusted for splits and dividends. The latest closing stock price for American Superconductor as of May 22, 2025 is 25.19.
  • The all-time high American Superconductor stock closing price was 692.50 on February 28, 2000.
  • The American Superconductor 52-week high stock price is 38.02, which is 50.9% above the current share price.
  • The American Superconductor 52-week low stock price is 13.98, which is 44.5% below the current share price.
  • The average American Superconductor stock price for the last 52 weeks is 24.18.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
American Superconductor Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 23.1331 25.5500 34.2400 15.8000 25.1900 2.27%
2024 19.9897 10.8400 36.8100 9.6700 24.6300 121.10%
2023 6.6767 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 10.6245 7.8900 25.7600 4.6400 23.4200 198.34%
2019 10.1576 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 5.8978 8.1710 10.4000 3.4800 6.3700 -14.01%
2014 14.9132 17.4000 23.1000 7.2000 7.4080 -54.83%
2013 24.3039 28.3000 32.7000 13.9000 16.4000 -37.40%
2012 39.6070 37.1000 60.3000 24.5000 26.2000 -29.00%
2011 120.3121 295.4000 298.6000 34.2000 36.9000 -87.09%
2010 313.1087 421.5000 434.2000 250.5000 285.9000 -30.10%
2009 264.9583 171.5000 428.0000 123.1000 409.0000 150.77%
2008 238.1923 275.3000 440.2000 85.5000 163.1000 -40.34%
2007 184.4896 97.3000 320.4000 92.5000 273.4000 178.70%
2006 97.5932 84.4000 116.0000 67.3000 98.1000 24.65%
2005 97.8056 143.0000 143.0000 70.3000 78.7000 -47.15%
2004 129.6780 137.1000 196.9000 92.2000 148.9000 7.43%
2003 70.8021 31.6000 144.4000 30.7000 138.6000 360.47%
2002 56.7927 130.0000 133.0000 22.5000 30.1000 -75.45%
2001 165.0319 236.8750 347.5000 85.9000 122.6000 -57.08%
2000 396.9072 295.6250 692.5000 217.5000 285.6250 2.01%
1999 141.0404 105.6250 280.0000 86.2500 280.0000 173.17%
1998 110.6424 85.0000 180.0000 62.5000 102.5000 20.59%
1997 101.2871 102.5000 141.2500 78.7500 85.0000 -20.00%
1996 132.6618 157.5000 157.5000 103.7500 106.2500 -26.72%
1995 155.0546 240.0000 247.5000 105.0000 145.0000 -41.41%
1994 209.0394 240.0000 260.0000 163.3330 247.5000 3.13%
1993 163.3631 135.0000 240.0000 126.6670 240.0000 80.00%
1992 114.9137 168.3330 176.6670 63.3333 133.3330 -4.76%
Sector Industry Market Cap Revenue
Computer and Technology Miscelleneous Electrical Components $0.955B $0.223B
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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