As of September 2026 American Superconductor Corporation has a market cap of โน135.62 Billion. This makes American Superconductor Corporation the world's 5635th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Sep 29th, 2026 the market cap of American Superconductor Corporation was reported to be: