American Superconductor Corporation
- Open
- 40.59
- Day high
- 41.49
- Day low
- 39.60
- Prev close
- 41.51
- Volume
- 323K
- Mkt cap
- $1.9B
- P/E (TTM)
- 13.2
- EPS (TTM)
- $3.06
- P/B
- 3.5
- P/S
- 6.4
- Yield
- —
- Per share
- —
- ▼Insiders net selling -$1.6M over the last 3 months (0 open-market buys, 9 sales)
- 🏛Institutions accumulating (13F)
American Superconductor Corporation (AMSC) is a Industrials company listed on NASDAQ. The stock is up 15% over the past year. Over the trailing 3 months, insiders filed 0 open-market buys and 9 sales (SEC Form 4).
American Superconductor Corporation (AMSC) financials & analyst ratings
Fundamentals (TTM)
Source: exchange market data + company filings. Figures are trailing-twelve-month or as most recently reported. For informational purposes only — not investment advice.
AMSC earnings date, history & EPS estimates
| Report date | EPS est | EPS actual | Surprise | Revenue | Rev. surprise |
|---|---|---|---|---|---|
| May 28, 2026 | $0.19 | $0.30 | +57.9% | $86M | +5.2% |
| Feb 4, 2026 | $0.15 | $2.75 | +1733.3% | $75M | -8.6% |
| Nov 5, 2025 | $0.15 | $0.20 | +33.3% | $66M | -3.4% |
| Jul 30, 2025 | $0.12 | $0.29 | +141.7% | $72M | +13.7% |
| May 21, 2025 | $0.10 | $0.12 | +20.0% | $67M | +9.9% |
| Feb 5, 2025 | $0.07 | $0.16 | +128.6% | $61M | +1.9% |
| Oct 30, 2024 | $0.04 | $0.27 | +527.9% | $54M | +7.7% |
| May 29, 2024 | $0.01 | $0.05 | +400.0% | $42M | +18.7% |
| Jan 24, 2024 | $-0.07 | $0.03 | +142.9% | $39M | +6.0% |
| Nov 1, 2023 | $-0.09 | $-0.04 | +55.6% | $34M | +11.9% |
| May 31, 2023 | $-0.20 | $-0.28 | -40.0% | $32M | +16.7% |
| Feb 1, 2023 | $-0.25 | $-0.27 | -8.0% | $24M | -0.4% |
AMSC insider trading activity (SEC Form 4)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 12, 2026 | Dambier Laura A.director | Sell | 4,000 | $37.63 |
| Jun 11, 2026 | Kosiba John W JRofficer: SVP, CFO & Treasurer | Sell | 5,026 | $37.33 |
| Jun 11, 2026 | McGahn Daniel Pdirector, officer: Chairman, President and CEO | Sell | 11,508 | $37.28 |
| Jun 11, 2026 | McGahn Daniel Pdirector, officer: Chairman, President and CEO | Sell | 4,609 | $37.85 |
| Jun 11, 2026 | Kosiba John W JRofficer: SVP, CFO & Treasurer | Sell | 1,743 | $37.85 |
| Jun 10, 2026 | McGahn Daniel Pdirector, officer: Chairman, President and CEO | Sell | 4,678 | $42.19 |
| Jun 10, 2026 | Kosiba John W JRofficer: SVP, CFO & Treasurer | Sell | 3,286 | $41.50 |
| Jun 10, 2026 | Kosiba John W JRofficer: SVP, CFO & Treasurer | Sell | 1,549 | $42.35 |
| Jun 10, 2026 | McGahn Daniel Pdirector, officer: Chairman, President and CEO | Sell | 4,992 | $41.39 |
| Apr 7, 2026 | Donnelly Terence Robertdirector | Grant | 2,665 | — |
| Apr 7, 2026 | OLIVER DAVID R JRdirector | Grant | 3,116 | — |
| Apr 7, 2026 | Littlefield Barbara G.director | Grant | 3,116 | — |
| Apr 7, 2026 | House Arthur Hdirector | Grant | 3,116 | — |
| Apr 7, 2026 | Klein Margaret D.director | Grant | 3,116 | — |
| Apr 7, 2026 | Dambier Laura A.director | Grant | 3,116 | — |
Source: AMSC SEC Form 4 filings, latest Jun 12, 2026. For informational purposes only — not investment advice.
See the full AMSC insider & 13F page →American Superconductor Corporation company profile
Overview
American Superconductor Corporation (NASDAQ:AMSC) is a Massachusetts-based industrial technology company founded in 1987 and publicly traded since 1991. The company specializes in developing megawatt-scale power resiliency solutions that help utilities, industrial facilities, and renewable energy developers manage electrical power more efficiently. After experiencing significant challenges in the early 2010s, AMSC has undergone a strategic transformation, diversifying from its original focus on superconductor technology into a broader portfolio of power electronics and grid infrastructure solutions through strategic acquisitions and organic growth.
Business
American Superconductor operates in the electrical power infrastructure industry, providing specialized solutions for power grid management, renewable energy integration, and industrial power systems. The company's business is organized into two primary segments that address different aspects of the electrical power ecosystem. The Grid segment represents approximately 85% of total revenue and operates under the Gridtec Solutions brand. This division provides power quality and grid infrastructure solutions that help electric utilities manage power flow, voltage control, and grid stability. Key products include D-VAR systems for controlling power flow in AC transmission systems, reactive compensation solutions like actiVAR and armorVAR systems that improve power quality and reduce energy losses, and specialized power delivery systems for naval vessels that reduce magnetic signatures. The segment also offers transmission planning services and grid interconnection solutions for renewable energy projects like wind farms and solar installations. The Wind segment accounts for approximately 15% of revenue and operates under the Windtec Solutions brand. This division designs complete wind turbine electrical systems and licenses these designs to turbine manufacturers. Rather than manufacturing physical turbines, AMSC provides the sophisticated power electronics, software-based control systems, and engineering designs that convert wind energy into grid-compatible electricity. Their design portfolio focuses on larger turbines with power ratings of 2 megawatts and higher, serving manufacturers who need advanced electrical control systems for modern wind installations. Both segments leverage AMSC's core expertise in power electronics and electrical system design, serving markets driven by the global transition to renewable energy, grid modernization needs, and increasing demand for reliable electrical power from data centers and industrial facilities.
Revenue model
AMSC generates revenue primarily through product sales and engineering services across its two business segments. The Grid segment earns money by selling power management hardware systems to utilities, industrial customers, and government clients, with typical projects ranging from hundreds of thousands to millions of dollars. Revenue also comes from engineering and consulting services for transmission planning and grid interconnection projects. The Wind segment operates on a licensing and supply model, earning revenue by designing complete electrical systems for wind turbines and then supplying the power electronics and control systems to turbine manufacturers on an ongoing basis. The company's customers include electric utilities seeking grid stability solutions, renewable energy developers requiring grid interconnection systems, industrial facilities needing power quality management, naval contractors for ship protection systems, and wind turbine manufacturers licensing AMSC's electrical designs. Recent growth has been driven by customers in emerging markets like semiconductor manufacturing facilities and data centers that require highly reliable power systems. Several factors influence AMSC's profitability margins. Positive margin drivers include the company's specialized technical expertise that commands premium pricing, growing demand from renewable energy integration and grid modernization trends, and economies of scale as revenue increases. The company benefits from macro trends including industrial reshoring, AI-driven data center expansion, and government incentives for clean energy infrastructure. However, margins face pressure from project-based revenue volatility, competition from larger industrial conglomerates, supply chain cost fluctuations for electronic components, and the need to invest in research and development to maintain technological leadership. The company has historically struggled with low margins due to legacy contract issues but has shown improvement as it works through older, less profitable commitments.
Competitive moat
AMSC operates in a specialized niche within the broader electrical infrastructure industry, where its competitive position is moderately defensible but not insurmountable. The company's primary moat stems from its deep technical expertise in power electronics and superconductor applications, which creates high switching costs for customers who integrate AMSC's systems into critical infrastructure projects. Once utilities or industrial facilities install AMSC's power management systems, replacing them requires significant engineering effort and capital investment, providing some customer stickiness. The company benefits from its established relationships with key customers like wind turbine manufacturers and naval contractors, where long development cycles and certification requirements create barriers to competitor entry. AMSC's intellectual property portfolio and specialized engineering capabilities in areas like reactive power compensation and grid interconnection provide some differentiation, particularly for complex projects requiring custom solutions. However, AMSC's moat is not particularly strong compared to dominant technology companies. The power electronics industry includes much larger competitors like ABB, Siemens, and General Electric, who have greater resources for research and development, broader product portfolios, and stronger customer relationships. These competitors could potentially develop competing solutions or acquire smaller specialized companies. Additionally, AMSC's relatively small size limits its ability to invest heavily in next-generation technologies or compete for the largest infrastructure projects. The company's growth depends significantly on broader market trends like renewable energy adoption rather than proprietary advantages that lock out competition. While AMSC has carved out profitable niches, its competitive position remains vulnerable to technological disruption or aggressive competition from well-funded industry giants.
Risks & safety
AMSC demonstrates a moderate margin of safety with improving but still elevated valuation metrics and solid balance sheet fundamentals. • Liquidity and Solvency: Strong cash position of $75 million with minimal debt (debt-to-equity ratio of 0.018), current ratio of 1.97 indicating adequate short-term liquidity, and positive operating cash flow of $5.9 million in Q3 2024 • Valuation Metrics: High P/E ratio of 94x and EV/EBITDA of 69x reflect growth expectations but suggest limited margin of safety at current prices, though improving profitability trend provides some support • Other Considerations: $300+ million total backlog provides revenue visibility, but project-based business model creates inherent volatility; company is still in early stages of sustained profitability after years of losses
Recent development
Over the past few years, AMSC has executed a strategic transformation focused on diversification and growth acceleration. The company completed key acquisitions including NWL (Neeltran) to expand its grid infrastructure capabilities and NEPSI to broaden its power electronics portfolio, though these acquisitions initially pressured margins due to legacy contract issues that have since been largely resolved. AMSC has successfully expanded beyond its traditional utility customer base into high-growth industrial markets including semiconductor manufacturing, data centers, mining operations, and military applications. The company achieved significant milestones including shipping its first Navy Ship Protection System and completing type certification for 3-megawatt class wind turbines. Recent quarters have shown strong momentum with consecutive record revenue quarters, reaching over $60 million in Q3 2024 compared to historical quarterly revenues in the $30-40 million range. The company has built substantial order momentum with total backlog exceeding $300 million and 12-month backlog above $200 million, representing significant growth from historical levels. Management has focused on improving operational efficiency and achieving consistent profitability, delivering five consecutive quarters of non-GAAP net income and positive operating cash flow. Strategic priorities now include capitalizing on macro trends like AI-driven data center expansion, domestic semiconductor manufacturing growth, and renewable energy infrastructure investments while maintaining the company's capital-light business model.
AMSC company profile · for informational purposes only — not investment advice.
Track AMSC with Drillr
SEC filings, earnings calls, insider activity, alt-data signals — all queryable through Drillr's AI terminal and MCP API.
Try Drillr for free