AMSC Market Cap History
Below is a table of the AMSC market cap history going back to 3/25/2015:

Date AMSC Market Cap
3/25/201568.92M
5/22/201587.62M
7/31/201569.77M
10/29/201573.79M
2/4/201695.63M
5/25/2016149.17M
8/3/2016126.14M
10/28/201697.97M
2/2/201799.82M
5/23/201778.08M
8/3/201757.78M
11/2/201785.37M
2/1/2018111.80M
6/1/2018140.97M
7/27/2018106.78M
11/2/2018167.71M
1/31/2019279.93M
5/30/2019224.15M
8/1/2019183.53M
7/25/20191.33B

Also see: AMSC Shares Outstanding History
and AMSC YTD Return
AMSC Historical Market Cap:
+97.96% CAGR
AMSC Historical Market Cap: +97.96% CAGR

Mouse over chart for data details
3/25/2015 ...7/25/2019
American Superconductor is a provider of megawatt-scale solutions for power grid and wind power. Co. operates its business under two market-facing business units: Grid, which enables electric utilities and renewable energy project developers to connect, transmit and distribute power, and these services lead to sales of Co.'s grid interconnection solutions for wind farms and solar power plants, power quality systems and transmission and distribution cable systems; and Wind, which supplies power electronics and control systems, licenses its engineered wind turbine designs, and provides customer support services to wind turbine manufacturers. We show 20 historical shares outstanding datapoints in our AMSC shares outstanding history coverage, used to compute AMSC market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing AMSC market cap history over the course of time is important for investors interested in comparing AMSC's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of AMSC versus a peer is one thing; comparing AMSC market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like AMSC can fluctuate over the course of history. With this page we aim to empower investors researching AMSC by allowing them to research the AMSC market cap history.
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American Superconductor (AMSC) is categorized under the Industrials sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

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