American Superconductor Corporation (AMSC) | The Buildout — AI Infrastructure
The Verdict
American Superconductor designs grid-side power-control and power-quality equipment—voltage regulation, transformers, rectifiers, and related systems—that helps utilities, industrial users, military buyers, semiconductor fabs, and data centers manage large, variable power flows. It also designs wind electrical control systems. The AI-infrastructure role is indirect and early: the same grid-hardening and power-quality products that serve utilities are what data centers and chip fabs need as loads grow, but AMSC itself is not an AI hardware or software supplier.
| Market Cap | — |
| Revenue (TTM) | $299M |
| Revenue Growth | +34.2% |
| EBITDA Margin (TTM) | 7.9% |
| Net Cash | $137M |
| Earnings Beats | 7 of 7 |
| P/E (TTM) | — |
| EV/EBITDA (TTM) | — |
What We Like
- Revenue for the year ended March 31, 2026 grew 34% to $299.2 million, with both reportable segments growing about the same rate.
- The 12-month backlog ended the year at about $280 million, up nearly 40%, with remaining performance obligations of about $379.5 million.
- The latest quarter recorded total orders above $130 million against revenue above $90 million, implying book-to-bill above 1.4x.
- Management's adjusted order cadence rose from over $45 million to over $60 million per quarter excluding the Royal Canadian Navy order.
- The company swung to operating income of $11.4 million in the year ended March 31, 2026 from a $1.1 million loss the prior year, with gross margin up to 31% from 28%.
What We’re Watching
- Direct data-center construction is unresolved: one call says a delivery occurred, the latest says management hopes to begin; watch for a named delivery and follow-on orders.
- Gross margin in the March 2026 quarter was 25.9%, below the 31% full-year figure; purchase accounting may explain part of the decline, but the mix needs to clarify.
- Comtrafo and AMSC Brazil contributed $21.9 million of revenue and a $3.2 million net loss in the year ended March 31, 2026; integration and profit conversion are unproven.
- The 10-K flags dependence on a single or limited number of suppliers for certain materials and components, a risk to backlog conversion if shortages emerge.
The underlying business case is strengthening: revenue has ramped, backlog is up, and the company is operationally profitable. The AI-specific story is still unproven, with direct data-center delivery described aspirationally in the latest call and the new Navy design win years from production. The open question is whether the record order quarter reflects a durable step-change or lumpy project timing, and whether data-center and military orders begin to repeat.
Earnings Beat
AMSC's latest disclosed quarter, ended June 30, 2026, produced record revenue above $90 million, up 30% year over year, with record total orders above $130 million and operating cash flow that nearly quadrupled to $16 million. The source set does not provide gross margin or a full income statement for that quarter; in the preceding March 2026 quarter, revenue was $86.4 million and gross margin was 25.9%.
| Metric | Q4 FY2025 | Q3 FY2025 | Q4 FY2024 | YoY |
|---|---|---|---|---|
| Revenue | $86M | $74M | $67M | +29.5% |
| Gross margin | 25.9% | 30.7% | 26.5% | -60bps |
| EBITDA | $7M | $5M | $4M | +102.9% |
| EPS | $0.10 | $2.62 | $0.03 | +209.2% |
| Total orders | >$130 million | n/a | n/a | — |
We are growing, we are executing with discipline and focus, and we have tremendous tailwinds at our back.— , 2026-06-28
Management tone: Management's tone in the supplied call was measured confidence: it pointed to growth, discipline, and tailwinds, while explicitly resisting a single-vertical label. It declined to quantify the next data-center revenue step-up and stressed that the new Navy contract is years from production.
Management Guidance
Management guided for the quarter ending June 30, 2026: revenue to exceed $85.0 million, GAAP net income to exceed $3.0 million or $0.07 per share, and non-GAAP net income to exceed $8.0 million or $0.17 per share, excluding any impact from changes in contingent consideration. The non-GAAP reconciliation assumed $4.2 million of stock-based compensation and $0.8 million of amortization of acquisition-related intangibles. Actual revenue exceeded the guide; the source set did not provide actual net income lines.
Trajectory
Revenue has climbed from $65.9 million in September 2025 to $86.4 million in March 2026 and above $90 million in June 2026, though the data spine flags the trajectory as decelerating as growth rates ease. Full-year gross margin was 31%, up from 28%, but the March quarter printed 25.9% amid Comtrafo purchase-accounting items. The forward signal is orders and backlog: about $280 million of 12-month backlog at year-end and a record above-$130 million order quarter in June 2026.
The Model
The model projects FY+1 revenue of $375.0 million and EBITDA of $40 million, a 10.7% margin. In FY+2, it projects revenue of $440.0 million and EBITDA of $54 million, a 12.2% margin.
| Metric | FY2025 | Next FY (E) | Following FY (E) |
|---|---|---|---|
| Revenue | $299M | $375M | $440M |
| YoY Growth | — | +25.3% | +17.3% |
| EBITDA | $24M | $40M | $54M |
| EBITDA Margin | 7.9% | 10.7% | 12.2% |
Projections are the median of 5 independent model runs. The model’s revenue sits 21.5% above analyst consensus.
Management guided for the quarter ending June 30, 2026: revenue to exceed $85.0 million, GAAP net income to exceed $3.0 million or $0.07 per share, and non-GAAP net income to exceed $8.0 million or $0.17 per share, excluding any impact from changes in contingent consideration. The non-GAAP reconciliation assumed $4.2 million of stock-based compensation and $0.8 million of amortization of acquisition-related intangibles. Actual revenue exceeded the guide; the source set did not provide actual net income lines.
What Could Go Right — and Wrong
- Direct data-center construction becomes a named, repeatable order stream in the $2 million to $10 million and larger per-project range management described.
- A semiconductor/materials acceleration arrives in the coming quarters, as management said may occur.
- Military ship-power and port construction orders convert, raising the military mix beyond ship protection.
- Comtrafo integration succeeds, Brazil capacity expands, and large power transformer sales up to 250 MVA turn profitable.
- Orders stay elevated after the record above-$130 million quarter, lifting backlog beyond about $280 million.
- Direct data-center delivery remains an aspiration rather than a repeatable revenue stream.
- A single or limited-supplier shortage interrupts deliveries against a rising backlog.
- A slowdown at Inox Wind, 15% of revenue, or Fuji Bridex, 10%, offsets broad order momentum.
- Comtrafo losses linger and dilute margins, as the unit posted a $3.2 million net loss in the year ended March 31, 2026.
- Reported GAAP net income falls sharply because the $117.1 million valuation-allowance tax benefit does not recur.
Looking Ahead
Over the next 12 months, the concrete watch items are whether management announces a first direct data-center construction delivery in the relatively near future, whether semiconductor and military orders accelerate as management suggested, and whether Comtrafo moves toward full-quarter profit and possible Brazil capacity expansion. The source does not provide a dated roadmap beyond those ranges.
- Relatively near futureFirst direct data-center delivery — Tests whether a first direct data-center construction delivery is announced.
- Coming quartersSemiconductor/materials order acceleration — Management flagged another possible acceleration in this part of the business.
- Coming quartersMilitary ship-power and port conversion — Tests near-term military drivers outside ship protection.
- OngoingComtrafo full-quarter contribution — Tests Brazil integration and a move from net loss toward profit.
- 2-5 years outBrazil capacity expansion decision — Management may expand capability to meet demand over time.
Financials
Annual Summary
| Metric | FY2024 | FY2025 | TTM | YoY |
|---|---|---|---|---|
| Revenue | $223M | $299M | $299M | +34.2% |
| Gross Margin | 28.0% | 30.3% | 30.1% | +232bps |
| EBITDA | $6M | $24M | −$60M | +330.9% |
| EBITDA Margin | 2.5% | 7.9% | 7.9% | +545bps |
| Net Income | $6M | $134M | $134M | +2093.4% |
| Free Cash Flow | $26M | $18M | −$26M | — |
| Net Cash | — | — | — | — |
Key Ratios (Trailing)
- P/E TTM—
- EV/EBITDA TTM—
- EV/Revenue TTM—
- Price/FCF TTM—
- Gross Margin (TTM)30.1%
- EBITDA Margin (TTM)7.9%
- Net Margin (TTM)44.7%
- ROIC2.9%
- FCF Conversion77.2%
- SBC / Revenue5.3%
The Company
American Superconductor designs and deploys power-control and power-quality equipment for megawatt-scale power flows, including D-VAR voltage-regulation systems, transformers, DC rectifiers, power supplies, and power-factor correction. Its Grid segment supplied 84% of revenue in the year ended March 31, 2026, and its Wind segment supplied 16%. The AI-infrastructure link is indirect: its grid-side equipment helps keep semiconductor fabs and data centers running reliably, but the company does not make AI hardware or software.
The company operates a multi-site manufacturing and R&D footprint across Massachusetts, New Jersey, Connecticut, New York, Wisconsin, Washington, Poland, Brazil, and Austria, according to the 10-K. It added transformer manufacturing in Brazil through the Comtrafo acquisition, which closed December 5, 2025 and extended products to distribution and large power transformers up to 250 MVA. The 10-K does not disclose square footage, headcount, or total capacity.
Business Segments
Competitive Landscape
The 10-K places AMSC among large global competitors: ABB, Hitachi, Ingeteam, Mitsubishi, and Siemens in new energy systems; Southern States and others in power quality; and Siemens, Vestas, and Suzlon in wind. The filing lists competitor names by category but does not provide a qualitative comparison.
- ABBNamed in 10-K as competitor in new energy systems; not discussed in detail.
- SiemensNamed in 10-K as competitor in new energy systems and wind energy.
- HitachiNamed in 10-K as competitor in new energy systems.
- MitsubishiNamed in 10-K as competitor in new energy systems.
- VestasNamed in 10-K as competitor in wind energy.
Supply Chain
AMSC sits between component and materials suppliers and grid, industrial, military, and wind customers. The 10-K discloses dependence on a single or limited number of suppliers but does not name them.