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American Superconductor Corp. /DE/ (AMSC) Fundamental Analysis & AI Grade 2026

AMSC Nasdaq Motors & Generators DE CIK: 0000880807
Updated This Month • Analysis: May 28, 2026 • SEC Data: 2026-03-31
Combined AI Grade
B
72% Confidence
STRONG AGREEMENT
B
68% Conf
B
77% Conf

📊 AMSC Key Takeaways

Revenue: $299.2M
Net Margin: 44.7%
Free Cash Flow: $18.3M
Current Ratio: 2.39x
Debt/Equity: 0.01x
EPS: $3.05
AI Grade: B with 68% confidence
American Superconductor Corp. /DE/ (AMSC) receives a B fundamental grade with 72% confidence from our AI analysis based on SEC 10-K filings. With revenue of $299.2M, net profit margin of 44.7%, and return on equity (ROE) of 24.1%, American Superconductor Corp. /DE/ demonstrates mixed fundamentals in the Market sector. Below is our complete AMSC stock analysis for 2026.

Is American Superconductor Corp. /DE/ (AMSC) a Good Investment?

Claude

AMSC demonstrates strong revenue growth (+34.3%) and fortress-like balance sheet fundamentals with minimal debt and excellent liquidity. However, the 2118% net income increase is driven primarily by non-operating gains rather than core business performance, evidenced by the massive disconnect between operating margin (3.8%) and net margin (44.7%), raising sustainability concerns despite solid structural financial health.

ChatGPT

AMSC shows strong top-line momentum, with revenue up 53% year over year, and it maintains a very healthy balance sheet with high liquidity, minimal long-term debt, and positive free cash flow. However, core profitability remains modest at the operating level, and the exceptionally high net income and net margin appear unlikely to reflect normalized earnings power, which tempers the overall fundamental outlook.

American Superconductor Corp. /DE/ Key Strengths (AMSC)

Claude
  • + Exceptional balance sheet with debt/equity of 0.01x and $140.7M cash, providing strategic flexibility
  • + Strong revenue growth of 34.3% YoY demonstrates market demand in motors & generators sector
  • + Excellent liquidity ratios (current 2.39x, quick 1.65x) ensure short-term financial stability
  • + Strong ROE (24.1%) and ROA (18.1%) indicate efficient capital deployment overall
ChatGPT
  • + Revenue growth is very strong, indicating improving commercial traction
  • + Balance sheet is robust with $141.07M in cash, low leverage, and strong liquidity ratios
  • + Business is generating positive operating cash flow and free cash flow while maintaining high interest coverage

AMSC Stock Risks: American Superconductor Corp. /DE/ Investment Risks

Claude
  • ! Earnings quality is highly suspect: $133.8M net income vs. $11.4M operating income indicates $122.4M from non-operating sources, suggesting one-time gains or exceptional items that lack sustainability
  • ! Operating margin of only 3.8% reveals weak core business profitability relative to revenue scale
  • ! Free cash flow generation (6.1% FCF margin) is dramatically disconnected from reported net profitability, indicating earnings may contain significant non-cash items
  • ! Operating cash flow of $23.1M insufficient to sustain 34% revenue growth trajectory without external capital
ChatGPT
  • ! Net income and net margin are likely distorted by non-recurring items given the large gap versus operating income
  • ! Operating margin of 5.6% suggests core earnings power is still relatively thin
  • ! Free cash flow margin of 5.1% indicates cash conversion remains modest despite strong reported earnings

Key Metrics to Watch

Claude
  • * Operating margin trend and composition of net income (specifically quantifying one-time vs. recurring gains)
  • * Sustainable free cash flow generation and cash conversion efficiency
  • * Revenue growth sustainability and market demand persistence in superconductor applications
ChatGPT
  • * Operating margin and gross margin sustainability
  • * Operating cash flow and free cash flow conversion

American Superconductor Corp. /DE/ (AMSC) Financial Metrics & Key Ratios

Revenue
$299.2M
Net Income
$133.8M
EPS (Diluted)
$3.05
Free Cash Flow
$18.3M
Total Assets
$739.5M
Cash Position
$140.7M

💡 AI Analyst Insight

Strong liquidity with a 2.39x current ratio provides a solid financial cushion.

AMSC Profit Margin, ROE & Profitability Analysis

Gross Margin 30.5%
Operating Margin 3.8%
Net Margin 44.7%
ROE 24.1%
ROA 18.1%
FCF Margin 6.1%

AMSC vs Market Sector: How American Superconductor Corp. /DE/ Compares

How American Superconductor Corp. /DE/ compares to Market sector averages

Net Margin
AMSC 44.7%
vs
Sector Avg 12.0%
AMSC Sector
ROE
AMSC 24.1%
vs
Sector Avg 15.0%
AMSC Sector
Current Ratio
AMSC 2.4x
vs
Sector Avg 1.8x
AMSC Sector
Debt/Equity
AMSC 0.0x
vs
Sector Avg 0.7x
AMSC Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is American Superconductor Corp. /DE/ Stock Overvalued? AMSC Valuation Analysis 2026

Based on fundamental analysis, American Superconductor Corp. /DE/ appears fundamentally strong relative to the Market sector in 2026.

Return on Equity
24.1%
Sector avg: 15%
Net Profit Margin
44.7%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.01x
Sector avg: 0.7x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

American Superconductor Corp. /DE/ Balance Sheet: AMSC Debt, Cash & Liquidity

Current Ratio
2.39x
Quick Ratio
1.65x
Debt/Equity
0.01x
Debt/Assets
24.9%
Interest Coverage
57.23x
Long-term Debt
$6.1M

AMSC Revenue & Earnings Growth: 5-Year Financial Trend

AMSC 5-year financial data: Year 2021: Revenue $87.1M, Net Income -$17.1M, EPS $-1.03. Year 2022: Revenue $108.4M, Net Income -$22.7M, EPS $-0.95. Year 2024: Revenue $145.6M, Net Income -$35.0M, EPS $-1.26. Year 2025: Revenue $222.8M, Net Income -$11.1M, EPS $-0.37. Year 2026: Revenue $299.2M, Net Income -$11.1M, EPS $-0.37.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: American Superconductor Corp. /DE/'s revenue has grown significantly by 243% over the 5-year period, indicating strong business expansion. The most recent EPS of $-0.37 indicates the company is currently unprofitable.

AMSC Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
6.1%
Free cash flow / Revenue

AMSC Quarterly Earnings & Performance

Quarterly financial performance data for American Superconductor Corp. /DE/ including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2026 $61.4M $2.5M $0.06
Q2 2026 $54.5M $2.4M $0.06
Q1 2026 $40.3M -$2.5M $-0.07
Q3 2025 $39.4M -$1.6M $-0.06
Q2 2025 $34.0M $2.4M $0.06
Q1 2025 $30.3M -$2.5M $-0.07
Q3 2023 $23.9M -$1.6M $-0.06
Q2 2023 $27.7M -$2.5M $-0.09

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

American Superconductor Corp. /DE/ Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$23.1M
Cash generated from operations
Capital Expenditures
$4.9M
Investment in assets
Dividends
None
No dividend program

AMSC SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for American Superconductor Corp. /DE/ (CIK: 0000880807)

📋 Recent SEC Filings

Date Form Document Action
Jun 3, 2026 4 xslF345X06/ownership.xml View →
Jun 3, 2026 4 xslF345X06/ownership.xml View →
Jun 2, 2026 8-K amsc20260601_8k.htm View →
May 27, 2026 10-K amsc20260331_10k.htm View →
May 27, 2026 8-K amsc20260211_8k.htm View →

Frequently Asked Questions about AMSC

What is the AI rating for AMSC?

American Superconductor Corp. /DE/ (AMSC) has a Combined AI Grade of B from Claude (B) and ChatGPT (B) with 72% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are AMSC's key strengths?

Claude: Exceptional balance sheet with debt/equity of 0.01x and $140.7M cash, providing strategic flexibility. Strong revenue growth of 34.3% YoY demonstrates market demand in motors & generators sector. ChatGPT: Revenue growth is very strong, indicating improving commercial traction. Balance sheet is robust with $141.07M in cash, low leverage, and strong liquidity ratios.

What are the risks of investing in AMSC?

Claude: Earnings quality is highly suspect: $133.8M net income vs. $11.4M operating income indicates $122.4M from non-operating sources, suggesting one-time gains or exceptional items that lack sustainability. Operating margin of only 3.8% reveals weak core business profitability relative to revenue scale. ChatGPT: Net income and net margin are likely distorted by non-recurring items given the large gap versus operating income. Operating margin of 5.6% suggests core earnings power is still relatively thin.

What is AMSC's revenue and growth?

American Superconductor Corp. /DE/ reported revenue of $299.2M.

Does AMSC pay dividends?

American Superconductor Corp. /DE/ does not currently pay dividends.

Where can I find AMSC SEC filings?

Official SEC filings for American Superconductor Corp. /DE/ (CIK: 0000880807) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is AMSC's EPS?

American Superconductor Corp. /DE/ has a diluted EPS of $3.05.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined grade reflects both perspectives for balanced insights.

What is AMSC's fundamental grade?

Based on our AI fundamental analysis in June 2026, American Superconductor Corp. /DE/ has a B grade with 72% confidence. Review the strengths and risks sections above for full context. This is not investment advice.

Is AMSC stock overvalued or undervalued?

Valuation metrics for AMSC: ROE of 24.1% (sector avg: 15%), net margin of 44.7% (sector avg: 12%). Higher ROE suggests strong returns relative to peers.

What is AMSC's AI grade for 2026?

Our dual AI analysis gives American Superconductor Corp. /DE/ a combined B grade for 2026. Revenue is data pending, with profitability above sector average. Always conduct your own research.

What is AMSC's free cash flow?

American Superconductor Corp. /DE/'s operating cash flow is $23.1M, with capital expenditures of $4.9M. FCF margin is 6.1%.

How does AMSC compare to other Market stocks?

Vs Default sector averages: Net margin 44.7% (avg: 12%), ROE 24.1% (avg: 15%), current ratio 2.39 (avg: 1.8).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: May 28, 2026 | Data as of: 2026-03-31 | Powered by Claude AI