American Superconductor Corporation (AMSC)
NASDAQ: AMSC · Real-Time Price · USD
30.01
+0.51 (1.73%)
At close: Oct 2, 2026, 4:00 PM EDT
30.46
+0.45 (1.51%)
After-hours: Oct 2, 2026, 7:55 PM EDT
American Superconductor Market Cap
American Superconductor has a market cap or net worth of $1.45 billion as of October 2, 2026. Its market cap has decreased by -45.60% in one year.
Market Cap
1.45B
Enterprise Value
1.31B
1-Year Change
-45.60%
Ranking
Category
Stock Price
$30.01
ChartMarket Cap Chart
Since December 1, 1998, American Superconductor's market cap has increased from $155.70M to $1.45B, an increase of 833.69%. That is a compound annual growth rate of 8.35%.
| Date | Market Cap | % Change |
|---|---|---|
| Oct 2, 2026 | 1.45B | 11.78% |
| Dec 31, 2025 | 1.30B | 33.84% |
| Dec 31, 2024 | 971.70M | 187.74% |
| Dec 29, 2023 | 337.70M | 213.85% |
| Dec 30, 2022 | 107.60M | -65.17% |
| Dec 31, 2021 | 308.90M | -52.22% |
| Dec 31, 2020 | 646.50M | 278.29% |
| Dec 31, 2019 | 170.90M | -28.25% |
| Dec 31, 2018 | 238.20M | 213.42% |
| Dec 29, 2017 | 76.00M | -27.34% |
| Dec 30, 2016 | 104.60M | 17.26% |
| Dec 31, 2015 | 89.20M | 39.16% |
| Dec 31, 2014 | 64.10M | -39.76% |
| Dec 31, 2013 | 106.40M | -25.49% |
| Dec 31, 2012 | 142.80M | -24.72% |
| Dec 30, 2011 | 189.70M | -85.59% |
| Dec 31, 2010 | 1.32B | -27.25% |
| Dec 31, 2009 | 1.81B | 156.40% |
| Dec 31, 2008 | 705.80M | -37.22% |
| Dec 31, 2007 | 1.12B | 243.40% |
| Dec 29, 2006 | 327.40M | 26.85% |
| Dec 30, 2005 | 258.10M | -37.72% |
| Dec 31, 2004 | 414.40M | 10.04% |
| Dec 31, 2003 | 376.60M | 490.28% |
| Dec 31, 2002 | 63.80M | -74.56% |
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Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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