Latest revenue
$74.5M
as of 2025-12-31
Latest net income
$117.8M
as of 2025-12-31
Net margin
158.1%
as of 2025-12-31
Price · 5Y
Live market
delayed ≤15 min- Market cap
- $2.47B
- Enterprise value
- $2.47B
- P/E (trailing)
- 409.1×
- Forward P/E
- —
- P/B
- —
- Dividend yield
- 0.0%
- 52-wk high
- $70.49
- 52-wk low
- $24.87
- Beta
- —
- Shares out
- 47.6M
5-year trend
dashed bar = fiscal Q4 derived from 10-K annual − Q1 − Q2 − Q3 (SEC requires only three 10-Qs per year).
What this company does
Item 1. BUSINESS Overview American Superconductor Corporation (together with its subsidiaries, “AMSC®” or the “Company”) was founded on April 9, 1987. At AMSC, we believe that our creativity can meet today’s challenges and help us progress to a better future. That means using future-facing technologies to harmonize the world’s desire for sustainable progress with the need for more reliable, effective and efficient power delivery. Already, our transformative power solutions are moving the world forward. We are a leading system provider of megawatt-scale power resiliency solutions that orchestrate the rhythm and harmony of power on the grid™, and protect and expand the capability of the…
AI summary unavailable — showing raw filing excerpt
Generated from AMSC's filing dated 2025-05-21
Key risks
Item 1A. RISK FACTORS Risks Related to Our Financial Performance We have not been historically profitable, which may recur in the future. Our operating results may fluctuate significantly from quarter to quarter and may fall below expectations in any particular fiscal quarter. We were profitable in fiscal 2024, however, we have recorded net losses for the prior three fiscal years. We may not be profitable in fiscal 2025 or future years. While we achieved profitable results in fiscal 2024, we cannot be certain that we will sustain profitability in future years. There remains uncertainty in our business, which makes it difficult to evaluate our business and future prospects. In addition, our…
AI summary unavailable — showing raw filing excerpt
Generated from AMSC's filing dated 2025-05-21
Profitability
Gross margin
27.8%
14.6%Operating margin
-0.5%
93.8%Net margin
2.7%
135.5%Return on equity
3.1%
139.8%Return on assets
1.9%
140.7%Leverage
Debt / equity
0.58×
5.7%Long-term debt / equity
0.00×
100.0%Debt / assets
36.5%
3.6%Earnings tracker
| Quarter | Revenue | YoY | Net income | YoY | Net margin |
|---|---|---|---|---|---|
Q4 2025 2025-12-31 | $74.5M | +21.4% | $117.8M | +4679.1% | 158.1% |
Q3 2025 2025-09-30 | $65.9M | +20.9% | $4.8M | +101.0% | 7.2% |
Q2 2025 2025-06-30 | $72.4M | +79.6% | $6.7M | +366.4% | 9.3% |
Q1 2025 2025-03-31 | $66.7M | +58.6% | $3.7M | +336.2% | 5.6% |
Q4 2024 2024-12-31 | $61.4M | +56.0% | $2.5M | +249.5% | 4.0% |
Q3 2024 2024-09-30 | $54.5M | +60.2% | $2.4M | +195.1% | 4.3% |
Q2 2024 2024-06-30 | $40.3M | +33.2% | $-2.5M | +53.2% | -6.3% |
Q1 2024 2024-03-31 | $42.0M | — | $-1.6M | — | -3.8% |
Year-over-year change vs the same fiscal quarter one year prior. Revenue + net income sourced from SEC 10-Q / 10-K filings — no analyst-consensus dependency.
Industry trend
Motors & Generators · SIC 3621
Your notes
Keep private notes on AMSC — thesis, target price, catalysts to watch.
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Insider activity
Insider buying
$0
Insider selling
$14.8M
Net activity
−$14.8M
Distinct insiders
4
Open-market trades over the last 365 days.
Recent transactions
Source: SEC Form 4 filings. Officers, directors, and 10%+ owners must disclose share transactions within two business days. RSU grants and tax-withholding rows are excluded by default — compensation activity is not a trading signal.
Who owns AMSC
Institutional value
$691.2M
Total shares held
20.6M
Distinct holders
143
-94 vs prior
As of
2026-03-31
Prior: 2025-12-31
Filers with $100M+ AUM disclose holdings 45 days after quarter end.
Top institutional holders
| # | Manager | Shares | Value | QoQ change | Action |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.0M | $134.8M | +232.2K (+6.2%) | Added |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | $69.0M | — | New |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.7M | $57.9M | — | New |
| 4 | BAILLIE GIFFORD & CO | 1.4M | $49.0M | -59.4K (-3.9%) | Trimmed |
| 5 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | 1.1M | $38.6M | — | New |
| 6 | Nuveen, LLC | 1.0M | $34.6M | +60.0K (+6.2%) | Added |
| 7 | FIRST TRUST ADVISORS LP | 778.3K | $26.3M | +95.3K (+14.0%) | Added |
| 8 | EMERALD ADVISERS, LLC | 757.4K | $25.6M | -164 (-0.0%) | Trimmed |
| 9 | DIMENSIONAL FUND ADVISORS LP | 658.3K | $22.3M | +118.0K (+21.8%) | Added |
| 10 | Telemark Asset Management, LLC | 600.0K | $20.3M | -19.9K (-3.2%) | Trimmed |
| 11 | UBS Group AG | 599.8K | $20.3M | -144.7K (-19.4%) | Trimmed |
| 12 | ROYCE & ASSOCIATES LP | 542.8K | $18.4M | +155.7K (+40.2%) | Added |
| 13 | Legal & General Group Plc | 530.1K | $17.9M | +252.1K (+90.7%) | Added |
| 14 | EMERALD MUTUAL FUND ADVISERS TRUST | 438.9K | $14.9M | +3.6K (+0.8%) | Added |
| 15 | BNP PARIBAS FINANCIAL MARKETS | 436.7K | $14.8M | +354.2K (+429.3%) | Added |
| 16 | VANGUARD FIDUCIARY TRUST CO | 326.0K | $11.0M | — | New |
| 17 | Stephens Investment Management Group LLC | 308.5K | $10.4M | +134.3K (+77.1%) | Added |
| 18 | Invesco Ltd. | 240.8K | $8.2M | -145.4K (-37.6%) | Trimmed |
| 19 | ESSEX INVESTMENT MANAGEMENT CO LLC | 227.6K | $7.7M | +12.4K (+5.8%) | Added |
| 20 | SEI INVESTMENTS CO | 224.4K | $7.6M | +145.6K (+184.8%) | Added |
Source: SEC Form 13F-HR. Positions aggregated across sub-managers within each firm. Options (puts/calls) excluded — common stock only.
Top questions investors are asking
Coming once AMSC's latest filing finishes processing.