American Superconductor AMSC
NASDAQ AMSC
$29.77 -0.28 (-0.93%)
As of: Aug 21, 2026 · 2:53 PM EDT

American Superconductor (AMSC) Tax Rate (2009 - 2025)

American Superconductor's (AMSC) quarterly Tax Rate came in at 2068.84% in Q4 2025, down 206465.0% YoY from N/an in Q4 2024, and down 100790.37% on a QoQ basis from 2.05% in Q3 2025.

American Superconductor (AMSC) Tax Rate (2009 - 2025) Analysis & Trends

American Superconductor (AMSC) has 17 years of Tax Rate data on file, last reported at 2068.84% in Q4 2025.

  • Quarterly Tax Rate fell 206465.0% year-over-year to 2068.84% in Q4 2025, while the trailing twelve-month figure through Dec 2025 was 579.16% (down 88352.0% YoY) and the FY2025 annual result came in at 194.85%, down 19199.0% from the prior year.
  • Tax Rate declined to 2068.84% in Q4 2025, from 2.05% in the prior quarter.
  • In the past five years, Tax Rate ranged from a high of 4844.66% in Q3 2024 to a low of 2068.84% in Q4 2025.
  • A 5-year average of 142.45% and a median of 0.47% in 2024 frame the typical range for Tax Rate.
  • Annual changes were most pronounced in 2024 — Tax Rate surged 484886 bps — and 2025, when it slumped 484261 bps.
  • Tracing AMSC's Tax Rate over 5 years: stood at 0.02% in 2021, then sank by 5707 bps to 1.34% in 2022, then tumbled by 369 bps to 6.31% in 2023, then surged by 34 bps to 4.19% in 2024, then plunged by 49325 bps to 2068.84% in 2025.
  • The last three Tax Rate figures came in at 2068.84% (Q4 2025), 2.05% (Q3 2025), and 2.87% (Q2 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 GE Vernova 258.11 Bn 244.99 Bn 2.36 Bn 29.84%
2 Eaton 163.82 Bn 163.13 Bn 2.86 Bn 28.06%
3 Parker-Hannifin 126.17 Bn 125.70 Bn 2.02 Bn 19.21%
4 Emerson Electric 87.41 Bn 85.23 Bn 2.66 Bn 21.62%
5 Cummins 81.37 Bn 76.70 Bn 2.47 Bn 25.14%
6 Illinois Tool Works 81.01 Bn 80.17 Bn 1.90 Bn 24.54%
7 Ametek 54.76 Bn 54.26 Bn 735.04 Mn 17.36%
8 Rockwell Automation 48.59 Bn 48.11 Bn 1.14 Bn 13.19%
9 Ingersoll Rand 31.48 Bn 30.31 Bn 862.60 Mn 21.13%
10 American Superconductor 1.31 Bn 1.17 Bn - -

Historic Data

Download Data
DateValue
Dec 31, 2025 -2,068.84%
Dec 31, 2025 -2,068.84%
Dec 31, 2025 -2,068.84%
Sep 30, 2025 2.05%
Sep 30, 2025 2.05%
Sep 30, 2025 2.05%
Jun 30, 2025 2.87%
Jun 30, 2025 2.87%
Jun 30, 2025 2.87%
Mar 31, 2025 62.55%
Mar 31, 2025 62.55%
Mar 31, 2025 62.55%
Dec 31, 2024 -4.19%
Dec 31, 2024 -4.19%
Dec 31, 2024 -4.19%
Sep 30, 2024 4,844.66%
Sep 30, 2024 4,844.66%
Sep 30, 2024 4,844.66%
Jun 30, 2024 -8.28%
Jun 30, 2024 -8.28%