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If You Invested in American Superconductor Corp (AMSC)

Industrials · Specialty Industrial Machinery · NASDAQ
Looking for the current price? See the AMSC quote & overview
$1,000 invested 1 Year Ago
$439
-56.1% price return -56.2% CAGR
-56.1% with dividends reinvested
Bought on Oct 27, 2025 at $57.85 split-adjusted
$1,000 invested 5 Years Ago
$1,481
+48.1% price return 8.2% CAGR
+48.1% with dividends reinvested
Bought on Oct 27, 2021 at $17.15 split-adjusted

What $1,000 or $10,000 in AMSC Would Be Worth Now

Real historical value by amount invested and how long ago
If you invested 1 year ago 5 years ago 10 years ago Since Oct 28, 2015
$1,000 $439 -56% $1,481 +48% $3,697 +270% $4,942 +394%
$10,000 $4,391 -56% $14,810 +48% $36,972 +270% $49,416 +394%

Based on real historical closing prices adjusted for stock splits, without dividends, through 2026-10-26. Figures with dividends reinvest each cash dividend at the previous close less the dividend, before taxes. Past performance does not guarantee future results.

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$1,000 Investment Over Time

AMSC vs S&P 500

Year-by-Year Returns

AMSC annual performance
Year Start Price End Price Annual Return Cumulative
2015 $5.14 $6.37 +23.9% +23.9%
2016 $6.37 $7.37 +15.7% +43.4%
2017 $7.37 $3.63 -50.7% -29.4%
2018 $3.63 $11.15 +207.2% +116.9%
2019 $11.15 $7.85 -29.6% +52.7%
2020 $7.85 $23.42 +198.3% +355.6%
2021 $23.42 $10.88 -53.5% +111.7%
2022 $10.88 $3.68 -66.2% -28.4%
2023 $3.68 $11.14 +202.7% +116.7%
2024 $11.14 $24.63 +121.1% +379.2%
2025 $24.63 $28.78 +16.8% +459.9%
2026 $28.78 $25.40 -11.7% +394.2%

About American Superconductor Corp

Industrials · NASDAQ

American Superconductor Corporation (AMSC) (Nasdaq: AMSC) is described as a system provider of megawatt-scale power resiliency solutions that, in the company’s words, help “orchestrate the rhythm and harmony of power on the grid” and protect and expand the capability and resiliency of the U.S. Navy’s fleet. AMSC states that it generates ideas, technologies and solutions that meet demand for smarter, cleaner energy. The company is classified in Motor and Generator Manufacturing within the broader manufacturing sector.

According to AMSC, its offerings are organized under several branded solution families. Through its Gridtec™ Solutions, the company provides engineering planning services and advanced grid systems that are intended to optimize network reliability, efficiency and performance. These grid-focused offerings align with AMSC’s description of itself as a provider of megawatt-scale power resiliency solutions for energy markets.

Through its Marinetec™ Solutions, AMSC states that it provides ship protection systems and is developing propulsion and power management solutions designed to help naval fleets increase system efficiencies, enhance power quality and boost operational safety. This reflects the company’s focus on supporting the capability and resiliency of the Navy’s fleet, as highlighted in multiple company communications.

AMSC also highlights its Windtec™ Solutions, under which it provides wind turbine electronic controls and systems, designs and engineering services that the company says reduce the cost of wind energy. Earlier descriptions also refer to Windtec Solutions as enabling manufacturers to launch wind turbines quickly, effectively and profitably. In addition, AMSC has stated that it operates with two primary segments, Grid and Wind, and that it generates a larger share of revenue from the Grid segment.

The company reports that its solutions are used to enhance the performance and reliability of power networks, increase the operational safety of navy fleets, and power gigawatts of renewable energy globally. AMSC notes that it was founded in 1987 and is headquartered near Boston, Massachusetts, with operations in Asia, Australia, Europe and North America. These geographic references come directly from the company’s own descriptions in its news releases.

AMSC has also grown through acquisitions. The company has disclosed the acquisition of NWL, Inc., which it cites as contributing to revenue growth across several recent reporting periods. In addition, AMSC announced that it acquired Comtrafo Indústria de Transformadores Elétricos S.A., a privately held Brazilian company that manufactures and supplies high-performance utility-scale power and distribution transformers. AMSC states that Comtrafo operates in Brazil’s critical power infrastructure market and that the acquisition is expected to expand AMSC’s product offerings in utility and industrial sectors, increase revenue in Brazil and position the company for growth in Latin America.

According to AMSC’s description of Comtrafo, that business has manufactured distribution and power transformers for Brazilian and Latin American markets since 1994 and serves clients such as utilities, industrials, telecom operators, hospitals and construction companies. AMSC indicates that by leveraging Comtrafo’s position in the transformer market for utility and industrial applications, it expects to expand its grid business offerings and enhance the value delivered to customers.

Across its Grid, Marinetec and Windtec solution families, AMSC emphasizes branded technologies and products such as D-VAR, D-VAR VVO, Amperium, and brands associated with acquired businesses like NEPSI, Neeltran and NWL. The company presents these as part of its broader platform of power resiliency and grid-related systems. AMSC’s communications also reference its presence in emerging markets, including operations and sales in regions such as India as part of its global footprint, though detailed country-by-country breakdowns are not provided in the supplied materials.

From a corporate governance and capital markets perspective, AMSC common stock trades on the Nasdaq under the ticker symbol AMSC. The company has used public equity offerings as a source of capital, including a disclosed underwritten public offering of common stock, with stated uses of proceeds for working capital, general corporate purposes and potential strategic acquisitions. AMSC also holds annual meetings of stockholders and files current reports on Form 8-K to disclose material events such as quarterly financial results and stockholder meeting outcomes.

Business segments and solution families

AMSC describes its business as operating through Grid and Wind segments. The Grid segment includes Gridtec Solutions and other grid-focused offerings, and the company has stated that this segment generates the majority of its revenue. The Wind segment is associated with Windtec Solutions, which provide wind turbine electronic controls and systems, designs and engineering services.

Within Gridtec Solutions, AMSC emphasizes engineering planning services and advanced grid systems that are intended to optimize reliability, efficiency and performance of electric power networks. The company’s branding and communications repeatedly connect these offerings with the goal of power resiliency at megawatt scale.

Within Marinetec Solutions, AMSC focuses on ship protection systems and the development of propulsion and power management solutions for fleets. The company links these offerings directly to enhancing power quality and operational safety for naval applications and to protecting and expanding fleet capability and resiliency.

Within Windtec Solutions, AMSC focuses on technology and engineering for wind turbines. The company states that these solutions are intended to reduce the cost of wind energy by providing electronic controls, systems, designs and engineering services to turbine manufacturers.

Geographic footprint and markets served

AMSC states that it is headquartered near Boston, Massachusetts, and that it has operations in Asia, Australia, Europe and North America. The company also reports that Comtrafo serves Brazilian and Latin American markets for distribution and power transformers, and that AMSC views the Comtrafo acquisition as expanding its reach in Brazil and positioning it for growth in Latin America. The company’s customer base, as described in relation to Comtrafo, includes utilities, industrial companies, telecom operators, hospitals and construction companies.

Capital markets activity and corporate structure

American Superconductor Corporation is incorporated in the United States and files reports with the U.S. Securities and Exchange Commission, including Forms 8-K for material events and financial results. The company has disclosed public offerings of its common stock under effective shelf registration statements, with stated intentions to use proceeds for working capital, general corporate purposes and strategic acquisitions. AMSC also reports the results of votes at its annual meetings of stockholders, including director elections, auditor ratification and advisory votes on executive compensation.

Market Cap
$1.2B
Current Price
$25.40
EPS
$3.05
Revenue
$0.3B
Net Margin
44.7%
View full AMSC overview

Frequently Asked Questions

American Superconductor Corp investment returns

How much would $1,000 invested in American Superconductor Corp be worth today?

If you invested $1,000 in American Superconductor Corp (AMSC) 10 years ago on 2016-10-27, your investment would be worth $3,697 as of 2026-10-26, a +269.7% price return without dividends, growing at a compounded rate of 14.0% per year (CAGR).

Has American Superconductor Corp outperformed the S&P 500?

Over the past 10 years, AMSC returned +269.7% compared to +259.0% for the S&P 500, outperforming the benchmark by 10.7 percentage points.

What is American Superconductor Corp's average annual return?

The compound annual growth rate (CAGR) of AMSC’s share price over the past 10 years is 14.0%, without dividends. Individual years vary a great deal, and AMSC’s best recent full year was 2018 (+207.2%) while the worst was 2022 (-66.2%).

For informational and educational purposes only, not investment advice.