AMSC American Superconductor Corporation
NASDAQActiveCommon stock
AMSC is the ticker symbol of American Superconductor Corporation, which is listed on NASDAQ.
AMSC at a glance
- Symbol
- AMSC
- Company / issuer
- American Superconductor Corporation
- Security type
- Common stock
- Exchange
- NASDAQ
- Status
- Actively traded
- Seen in listing files
- Jan 2015 – present
- Sector
- Consumer Discretionary
- Industry
- Metal Fabrications
- Country
- United States
- IPO year
- 1991
- Market cap
- $1.5 billion (Sep 2026)
American Superconductor Corporation company profile
- Industry (SIC)
- Motors & Generators
- Headquarters
- Devens, MA
- Incorporated in
- DE
- Fiscal year end
- March 31
- SEC filer category
- Large accelerated filer
- Latest annual report
- 10-K filed 2026-05-27
- Latest interim report
- 10-Q filed 2026-08-05
- SEC CIK
- 880807
Source: SEC EDGAR filer data.
AMSC price chart
Interactive chart provided by TradingView (loads third-party scripts).
Frequently asked questions
What company has the ticker symbol AMSC?
AMSC is the ticker symbol of American Superconductor Corporation on NASDAQ.
Is AMSC still trading?
Yes. AMSC appears in the current NASDAQ listings as of Sep 2026.
Which exchange is AMSC listed on?
AMSC is listed on NASDAQ.