American Superconductor Corporation (AMSC)
NASDAQ: AMSC · Real-Time Price · USD
50.15
-4.91 (-8.92%)
At close: May 18, 2026, 4:00 PM EDT
49.25
-0.90 (-1.79%)
Pre-market: May 19, 2026, 5:59 AM EDT

American Superconductor Market Cap

American Superconductor has a market cap or net worth of $2.39 billion as of May 19, 2026. Its market cap has increased by 198.25% in one year.

Market Cap
2.39B
Enterprise Value
2.26B
1-Year Change
198.25%
Ranking
Category
Stock Price
$50.15

Market Cap Chart

Since December 1, 1998, American Superconductor's market cap has increased from $155.70M to $2.39B, an increase of 1,433.56%. That is a compound annual growth rate of 10.45%.

History

DateMarket Cap% Change
May 15, 20262.62B101.58%
Dec 31, 20251.30B33.84%
Dec 31, 2024971.70M187.74%
Dec 29, 2023337.70M213.85%
Dec 30, 2022107.60M-65.17%
Dec 31, 2021308.90M-52.22%
Dec 31, 2020646.50M278.29%
Dec 31, 2019170.90M-28.25%
Dec 31, 2018238.20M213.42%
Dec 29, 201776.00M-27.34%
Dec 30, 2016104.60M17.26%
Dec 31, 201589.20M39.16%
Dec 31, 201464.10M-39.76%
Dec 31, 2013106.40M-25.49%
Dec 31, 2012142.80M-24.72%
Dec 30, 2011189.70M-85.59%
Dec 31, 20101.32B-27.25%
Dec 31, 20091.81B156.40%
Dec 31, 2008705.80M-37.22%
Dec 31, 20071.12B243.40%
Dec 29, 2006327.40M26.85%
Dec 30, 2005258.10M-37.72%
Dec 31, 2004414.40M10.04%
Dec 31, 2003376.60M490.28%
Dec 31, 200263.80M-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
Full Definition