American Superconductor Corp. (AMSC)
Nasdaq · Motors & Generators · Manufacturing · CIK 880807 · fiscal year ends in Mar
Closing price $28.06 on 29 Oct 2026; 52-week range $25.02 to $63.01.
Key figures
The last twelve months reported, with the latest price and balance sheet.
- Revenue, last twelve months
- $320.9M
- Revenue growth
- 25.9%
- Net income, last twelve months
- $136.6M
- Earnings per share
- $3.03
- Gross margin
- 28.6%
- Operating margin
- 4.9%
- Net margin
- 42.6%
- Free cash flow
- $20.5M
- Return on equity
- 23.9%
- Market value
- $1.4B
- Price to earnings
- 9.3x
- Cash
- $143.7M
- Debt
- $0
- Debt to equity
- 0.00
- Shares outstanding
- 48.4M
Financial statements
Revenue, profit and cash flow by fiscal year, each year linked to its annual report.
| Fiscal year | Year end | Revenue | Operating income | Net income | EPS | Free cash flow | Filing |
|---|---|---|---|---|---|---|---|
| FY2026 | 31 Mar 2026 | $299.2M | $11.4M | $133.8M | $3.05 | $18.3M | 10-K filed 27 May 2026 |
| FY2025 | 31 Mar 2025 | $222.8M | -$1.1M | $6.0M | $0.16 | $25.9M | 10-K filed 21 May 2025 |
| FY2024 | 31 Mar 2024 | $145.6M | -$11.4M | -$11.1M | -$0.37 | $1.2M | 10-K filed 29 May 2024 |
| FY2023 | 31 Mar 2023 | $106.0M | -$33.0M | -$35.0M | -$1.26 | -$23.7M | 10-K filed 31 May 2023 |
| FY2022 | 31 Mar 2022 | $108.4M | -$21.1M | -$19.2M | -$0.71 | -$19.9M | 10-K filed 1 Jun 2022 |
By quarter
| Quarter | Quarter end | Revenue | Net income | EPS |
|---|---|---|---|---|
| Q1 FY2027 | 30 Jun 2026 | $94.1M | $9.5M | $0.20 |
| Q4 FY2026 | 31 Mar 2026 | $86.4M | $4.5M | $0.10 |
| Q3 FY2026 | 31 Dec 2025 | $74.5M | $117.8M | $2.62 |
| Q2 FY2026 | 30 Sep 2025 | $65.9M | $4.8M | $0.11 |
| Q1 FY2026 | 30 Jun 2025 | $72.4M | $6.7M | $0.17 |
| Q4 FY2025 | 31 Mar 2025 | $66.7M | $1.2M | $0.03 |
| Q3 FY2025 | 31 Dec 2024 | $61.4M | $2.5M | $0.06 |
| Q2 FY2025 | 30 Sep 2024 | $54.5M | $4.9M | $0.13 |
Revenue by segment
As the company reports it in the segment note of its annual report.
By business, FY2026
| Segment | Revenue | Share |
|---|---|---|
| Grid | $251.3M | 84.0% |
| Wind | $47.8M | 16.0% |
Company events
The newest 8-K filings of 243 held.
| Filed | Form | Event | Items |
|---|---|---|---|
| 21 Sep 2026 | 8-K | Leadership change | 5.02 |
| 5 Aug 2026 | 8-K | Results, Shareholder vote | 2.02, 5.07, 9.01 |
| 2 Jun 2026 | 8-K | Leadership change | 5.02, 9.01 |
| 27 May 2026 | 8-K | Results | 2.02, 9.01 |
| 4 Feb 2026 | 8-K | Results | 2.02, 9.01 |
| 23 Dec 2025 | 8-K | Other events | 8.01, 9.01 |
| 10 Dec 2025 | 8-K | Deal completed, Material agreement, Share sale, Other events | 1.01, 2.01, 3.02, 8.01, 9.01 |
| 5 Nov 2025 | 8-K | Results | 2.02, 9.01 |
| 30 Jul 2025 | 8-K | Results | 2.02, 9.01 |
| 29 Jul 2025 | 8-K | Shareholder vote | 5.07, 9.01 |
| 11 Jun 2025 | 8-K | Other events | 8.01, 9.01 |
| 21 May 2025 | 8-K | Results, Leadership change | 2.02, 5.02, 9.01 |
Every filing
The newest filings with the SEC of 596 held.
| Filed | Form | Period |
|---|---|---|
| 21 Sep 2026 | 8-K | 17 Sep 2026 |
| 5 Aug 2026 | 10-Q | 30 Jun 2026 |
| 5 Aug 2026 | 8-K | 31 Jul 2026 |
| 18 Jun 2026 | ARS | 31 Mar 2026 |
| 18 Jun 2026 | DEFA14A | – |
| 18 Jun 2026 | DEF 14A | 31 Jul 2026 |
| 2 Jun 2026 | 8-K | 1 Jun 2026 |
| 29 May 2026 | SD | – |
| 27 May 2026 | 10-K | 31 Mar 2026 |
| 27 May 2026 | 8-K | 27 May 2026 |
| 17 Feb 2026 | 8-K/A | 5 Dec 2025 |
| 4 Feb 2026 | 10-Q | 31 Dec 2025 |
Insider trades
Form 4 trades by officers, directors and 10% owners, last 12 months.
| Traded | Insider | Type | Shares | Price | Value | Held after | Form 4 |
|---|---|---|---|---|---|---|---|
| 11 Jun 2026 | Dambier Laura A., Director | Sale outside a trading plan | 4,000 | $37.63 | $150.5K | 14,992 | 12 Jun 2026 |
| 11 Jun 2026 | Kosiba John W Jr, SVP, CFO & Treasurer | Sale under a trading plan | 5,026 | $37.33 | $187.6K | 336,120 | 11 Jun 2026 |
| 11 Jun 2026 | Kosiba John W Jr, SVP, CFO & Treasurer | Sale under a trading plan | 1,743 | $37.85 | $66.0K | 334,377 | 11 Jun 2026 |
| 11 Jun 2026 | Mcgahn Daniel P, Chairman, President and CEO | Sale under a trading plan | 11,508 | $37.28 | $429.0K | 1,136,538 | 11 Jun 2026 |
| 11 Jun 2026 | Mcgahn Daniel P, Chairman, President and CEO | Sale under a trading plan | 4,609 | $37.85 | $174.5K | 1,131,929 | 11 Jun 2026 |
| 8 Jun 2026 | Kosiba John W Jr, SVP, CFO & Treasurer | Sale under a trading plan | 3,286 | $41.50 | $136.4K | 342,695 | 10 Jun 2026 |
| 8 Jun 2026 | Kosiba John W Jr, SVP, CFO & Treasurer | Sale under a trading plan | 1,549 | $42.35 | $65.6K | 341,146 | 10 Jun 2026 |
| 8 Jun 2026 | Mcgahn Daniel P, Chairman, President and CEO | Sale under a trading plan | 4,992 | $41.39 | $206.6K | 1,152,724 | 10 Jun 2026 |
| 8 Jun 2026 | Mcgahn Daniel P, Chairman, President and CEO | Sale under a trading plan | 4,678 | $42.19 | $197.4K | 1,148,046 | 10 Jun 2026 |
| 3 Jun 2026 | Kosiba John W Jr, SVP, CFO & Treasurer | Sale under a trading plan | 3,200 | $48.31 | $154.6K | 349,228 | 3 Jun 2026 |
| 3 Jun 2026 | Kosiba John W Jr, SVP, CFO & Treasurer | Sale under a trading plan | 2,638 | $49.28 | $130.0K | 346,590 | 3 Jun 2026 |
| 3 Jun 2026 | Kosiba John W Jr, SVP, CFO & Treasurer | Sale under a trading plan | 609 | $50.83 | $31.0K | 345,981 | 3 Jun 2026 |
Planned insider sales
Form 144 notices, filed when the sell order goes to the broker.
| Filed | Seller | Shares | Value | Planned sale |
|---|---|---|---|---|
| 11 Jun 2026 | JOHN KOSIBA, Officer | 6,769 | $253.6K | 11 Jun 2026 |
| 11 Jun 2026 | DANIEL MCGAHN, Officer, Director | 16,117 | $603.5K | 11 Jun 2026 |
| 10 Jun 2026 | Dambier Laura A., Director | 4,000 | $160.9K | 10 Jun 2026 |
| 8 Jun 2026 | JOHN KOSIBA, Officer | 4,835 | $202.0K | 8 Jun 2026 |
| 8 Jun 2026 | DANIEL MCGAHN, Officer, Director | 9,670 | $404.0K | 8 Jun 2026 |
| 3 Jun 2026 | JOHN KOSIBA, Officer | 6,447 | $315.5K | 3 Jun 2026 |
| 3 Jun 2026 | DANIEL MCGAHN, Officer, Director | 12,893 | $630.3K | 3 Jun 2026 |
| 2 Jun 2026 | JOHN KOSIBA, Officer | 30,462 | $1.5M | 2 Jun 2026 |
| 2 Jun 2026 | DANIEL MCGAHN, Officer, Director | 72,525 | $3.7M | 2 Jun 2026 |
Large holders
Schedule 13D and 13G filings by holders of more than 5% of the voting shares.
| Filed | Holder | Schedule | Stake | Shares |
|---|---|---|---|---|
| 31 Jul 2026 | Vanguard Capital Management | 13G amended | 4.93% | 2.4M |
| 29 Apr 2026 | Vanguard Capital Management | 13G | 5% | 2.4M |
| 26 Mar 2026 | The Vanguard Group | 13G amended | 0% | 0 |
| 30 Jan 2026 | The Vanguard Group | 13G amended | 7.4% | 3.5M |
Short interest
Shares sold short and not yet bought back, on each FINRA settlement date.
| Settlement | Shares short | Change | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 4.1M | +4.92% | 4.91 |
| 30 Sep 2026 | 3.9M | -0.87% | 5.37 |
| 15 Sep 2026 | 3.9M | +7.48% | 5.98 |
| 31 Aug 2026 | 3.7M | +5.11% | 5.75 |
| 14 Aug 2026 | 3.5M | -1.54% | 4.84 |
| 31 Jul 2026 | 3.5M | +3.79% | 4.24 |
| 15 Jul 2026 | 3.4M | +1.16% | 5.07 |
| 30 Jun 2026 | 3.4M | -2.78% | 3.29 |
Funds that hold it
From each fund's latest Form 13F.
309 funds held it at 30 Jun 2026: 170 added and 76 trimmed in the quarter. The largest:
| Fund | Shares | Value | Change in the quarter |
|---|---|---|---|
| BlackRock, Inc. | 4,095,371 | $170.0M | +112,721 |
| Vanguard Capital Management LLC | 2,034,219 | $84.4M | -5,249 |
| Barrow Hanley Mewhinney & Strauss LLC | 1,704,006 | $70.7M | +564,213 |
| UBS Group AG | 1,429,090 | $59.3M | +829,269 |
| Vanguard Portfolio Management LLC | 1,418,863 | $58.9M | -292,814 |
| State Street Corp. | 1,358,225 | $56.4M | +97,154 |
| Goldman Sachs Group Inc. | 1,294,047 | $53.7M | +584,543 |
| Geode Capital Management, LLC | 1,243,198 | $51.6M | +74,046 |
| First Trust Advisors LP | 1,168,424 | $48.5M | +390,156 |
| Oberweis Asset Management Inc. | 987,500 | $41.0M | +137,600 |
Peers
Companies in the same industry.
- Generac Holdings Inc. (GNRC): revenue $4.4B, market value $12.0B
- Franklin Electric Co. Inc. (FELE): revenue $2.3B, market value $4.3B