Equity · Industrials
AMSC
NASDAQAmerican Superconductor Corp /de/ (AMSC)
The line runs 32.32 USD on 12 August through 25.33 USD on 9 November, on a scale from 22.5 to 32.5. Days the market did not trade hold the previous close, flat.
- Market cap
- 1.2B USD
- P/E (TTM)
- 8.4
- Revenue, year to Mar 2026
- 299.2M USD
- EPS, diluted, year to Mar 2026
- 3.05 USD
- 52-week range
- 23.46 USD – 61 USD
- Avg volume
- 41.1K
as of Nov 9, 2026
Have American Superconductor Corp /de/ (AMSC) insiders bought or sold shares recently?
In the 90 days to 10 Nov 2026, no American Superconductor Corp /de/ insider bought or sold shares on the open market; the 1 Form 4 filing in that window was a grant, exercise, tax withholding or transfer (SEC Form 4).
Form 4, 90 days to 10 Nov 2026, newest Form 4 filing 18 Sep 2026
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 18 Sep 2026 | Littlefield Barbara G.Director | Award | 1,607 |
Which funds hold American Superconductor Corp /de/ (AMSC)?
7 of the 45 institutional funds we track reported a American Superconductor Corp /de/ position for the quarter ended 30 Jun 2026 — a combined 37.2M USD; the latest of those filings landed 02 Sep 2026.
| Fund | Position | Shares | Value | Shares q/q |
|---|---|---|---|---|
| D. E. Shaw & Co. | Trimmed | 366,845 | 15.2M USD | −35.4% |
| AQR Capital Management | Held (±25%) | 194,477 | 8.1M USD | +5.3% |
| Millennium Management | Held (±25%) | 100,762 | 4.2M USD | −0.8% |
| Two Sigma Investments | Trimmed | 90,340 | 3.8M USD | −46.5% |
| Balyasny Asset Management | Trimmed | 68,847 | 2.9M USD | −52.2% |
| Marshall Wace | New position | 53,261 | 2.2M USD | |
| Citadel Advisors | Trimmed | 20,528 | 852K USD | −90.5% |
What has been filed or recorded for American Superconductor Corp /de/ (AMSC)?
The filings we hold for American Superconductor Corp /de/, newest first: 1 fails-to-deliver day, 6 quarterly earnings reports, 2 annual reports and 5 reported financial figures, the latest dated 01 Oct 2026. No next earnings date is announced in SEC filings yet.
| And | ||||
|---|---|---|---|---|
| 01 Oct 2026 | Fails to deliver | Shares failed to deliver | 370 shares | 11K USD notional · 0.001% of shares out |
| 30 Sep 2026 | Quarterly earnings | Q2 2027 reported | EPS 0.06 USD | |
| 30 Sep 2026 | Financials | Total assets | 774.7M USD | at period end |
| 30 Sep 2026 | Financials | Total equity | 582.1M USD | at period end |
| 30 Jun 2026 | Quarterly earnings | Q1 2027 reported | EPS 0.20 USD | |
| 31 Mar 2026 | Annual report | FY 2026 reported | EPS 3.05 USD | |
| 31 Mar 2026 | Financials | Revenue | 299.2M USD | fiscal year |
| 31 Mar 2026 | Financials | Net income | 133.8M USD | fiscal year |
| 31 Mar 2026 | Financials | Diluted EPS | 3.05 USD | fiscal year |
| 31 Dec 2025 | Quarterly earnings | Q3 2026 reported | EPS 2.62 USD | |
| 30 Sep 2025 | Quarterly earnings | Q2 2026 reported | EPS 0.11 USD | |
| 30 Jun 2025 | Quarterly earnings | Q1 2026 reported | EPS 0.17 USD | |
| 31 Mar 2025 | Annual report | FY 2025 reported | EPS 0.16 USD | |
| 31 Dec 2024 | Quarterly earnings | Q3 2025 reported | EPS 0.06 USD |
What do people ask about American Superconductor Corp /de/ (AMSC)?
What did American Superconductor Corp /de/ shares close at?25.33
American Superconductor Corp /de/ closed at 25.33 USD on 9 Nov 2026, up 7.97% on the close before. That is the end-of-day price from Finazon, not a live quote.
What is American Superconductor Corp /de/’s market cap?1.2B
American Superconductor Corp /de/ is worth 1.2B USD by market value as of 9 Nov 2026, which is the share price times the shares on issue from its SEC filings.
What is American Superconductor Corp /de/’s P/E ratio?8.4
American Superconductor Corp /de/ has a price-to-earnings ratio of 8.4, as of 9 Nov 2026: the share price divided by what the company earned per share over the last four reported quarters. A higher number means the market pays more for each dollar of earnings.
What is American Superconductor Corp /de/’s revenue?299.2M
American Superconductor Corp /de/ reported revenue of 299.2M USD for the year ended 31 Mar 2026, as filed with the SEC. See Filings
Have American Superconductor Corp /de/ insiders bought or sold shares recently?1 filing
In the 90 days to 10 Nov 2026, no American Superconductor Corp /de/ insider bought or sold shares on the open market; the 1 Form 4 filing in that window was a grant, exercise, tax withholding or transfer (SEC Form 4). See Insiders
Which funds own American Superconductor Corp /de/?7 of 45
7 of the 45 funds we track reported a American Superconductor Corp /de/ position for the quarter ended 30 Jun 2026, per their SEC Form 13F filings. The largest reported positions were D. E. Shaw & Co., AQR Capital Management and Millennium Management. See Funds
When did American Superconductor Corp /de/ last report earnings?0.06
American Superconductor Corp /de/ last reported earnings on 30 Sep 2026 for Q2 2027, with EPS of 0.06 USD; no next date is announced in SEC filings yet. See Filings

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.
References
- Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
- TradingViewthe price chart widget, drawn by TradingView from their own data
- SEC EDGARForm 4 filings (insider transactions)
- SEC EDGAR13F filings
- SECSEC fails-to-deliver (CNS) data
- SEC EDGARXBRL company facts, latest period ended 30 Sep 2026
- SEC EDGARreported earnings figures and scheduled report dates
- SEC EDGARValuation computed from SEC EDGAR filings