American Superconductor market cap AMSC

Share price times shares outstanding: what the whole company sells for, since 2010.

American Superconductor is worth $1.2B at the close on Oct 23, 2026, at $25.12 a share.

That is down 55% over the last year and up 134% over five years.

Its highest close in our data was $2.8B in Sep 2025.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$1.2B	$1.2B	$2.6B	−12%
2025	$1.4B	$623.5M	$2.8B	+40%
2024	$988.7M	$293.2M	$1.4B	+193%
2023	$337.7M	$106.1M	$338.1M	+214%
2022	$107.6M	$99.4M	$290.5M	−65%
2021	$308.9M	$308.9M	$811M	−52%
2020	$646.5M	$104.7M	$696.2M	+270%
2019	$174.6M	$161.7M	$344M	−25%
2018	$234.2M	$91.9M	$248.3M	+208%
2017	$76M	$56.9M	$104.4M	−27%
2016	$104.6M	$78.8M	$160.6M	+17%
2015	$89.2M	$48.6M	$89.2M	+29%
2014	$69.2M	$63.5M	$153.3M	−29%
2013	$97.3M	$92.8M	$183.6M	−29%
2012	$136.8M	$136.8M	$297.2M	−28%
2011	$189.7M	$189.7M	$1.5B	−86%
2010	$1.3B	$1.2B	$1.7B	n/a

Companies in Industrials nearest American Superconductor's size, closest first, today.

Company	Market cap
AMSCAmerican Superconductor	$1.2B
MYEMyers Industries	$1.2B
PRGPROG	$1.2B
VTOLBristow	$1.2B
XPELXPEL	$1.2B
CRAICRA International	$1.3B
GBXGreenbrier Companies	$1.2B
TNCTennant	$1.1B
GOLDGold.com	$1.1B
WLDNWilldan	$1.1B
DFINDonnelley Financial Solutions	$1.4B
Peer median	$1.2B