American Superconductor (AMSC) Tax Rate (2009 - 2025)
American Superconductor (AMSC) reported Tax Rate of -2068.84% for fiscal Q3 2026 (quarter ended Dec 31, 2025), down 2064.65 percentage points from -4.19% a year earlier and down 2071.24 percentage points from the prior quarter.
American Superconductor (AMSC) Tax Rate (2009 - 2025) Analysis & Trends
Over the twelve months ended Dec 31, 2025, American Superconductor's Tax Rate came in at -564.64%, down 869.18 percentage points year-over-year; for FY2025 (ended Mar 31, 2025), it was -154.99%, down 152.13 percentage points from FY2024.
- Tax Rate has declined for three consecutive fiscal years, with a five-year change of -153.83 percentage points (FY2020 to FY2025).
- By fiscal year, Tax Rate came in at -2.86% in FY2024 (-2.24 pp), -0.62% in FY2023 (-9.40 pp), 8.79% in FY2022 (+5.25 pp) and 3.54% in FY2021 (+4.69 pp).
- The fiscal Q3 2026 figure ranks as the lowest quarterly Tax Rate in data going back to fiscal Q1 2010.
- Year over year, Tax Rate gained in five of the last eight quarters, with an average year-over-year change of -249.78 percentage points.
- The high point for year-over-year Tax Rate in five years was fiscal Q2 2025 (a gain of 4858.82 percentage points); the low point was fiscal Q2 2026 (a drop of 4851.96 percentage points).
- Per Business Quant data, the three fiscal quarters before Q3 2026 came in at 2.40% (Q2 2026), 2.89% (Q1 2026) and 51.18% (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | GE Vernova | 252.99 Bn | 214.06 Bn | 2.36 Bn | 29.84% |
| 2 | Bloom Energy | 81.25 Bn | 73.07 Bn | 355.57 Mn | 0.75% |
| 3 | First Solar | 18.82 Bn | 9.78 Bn | 605.00 Mn | 8.01% |
| 4 | BWX Technologies | 12.55 Bn | 10.85 Bn | 202.31 Mn | 21.56% |
| 5 | Generac Holdings | 12.21 Bn | 11.04 Bn | 521.81 Mn | 24.61% |
| 6 | Nextpower | 11.82 Bn | 7.71 Bn | 335.85 Mn | 16.88% |
| 7 | EnerSys | 6.67 Bn | 4.86 Bn | 313.36 Mn | 13.75% |
| 8 | Enphase Energy | 4.36 Bn | -500.13 Mn | 175.01 Mn | 41.71% |
| 9 | Mirion Technologies | 3.45 Bn | 1.34 Bn | 133.10 Mn | 28.32% |
| 10 | American Superconductor | 1.39 Bn | 683.45 Mn | - | - |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2025 | 2.40% |
| Jun 30, 2025 | 2.89% |
| Mar 31, 2025 | 51.18% |
| Dec 31, 2018 | 8.39% |
| Sep 30, 2018 | 11.77% |
| Sep 30, 2010 | 50.13% |
| Jun 30, 2010 | 44.18% |
| Mar 31, 2010 | 57.52% |
| Dec 31, 2009 | 52.17% |
| Sep 30, 2009 | 55.02% |
| Jun 30, 2009 | 61.53% |
American Superconductor Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=AMSC&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "AMSC", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=AMSC&period=max&api_key=YOUR_API_KEY");
const data = await res.json();