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Amylyx Pharmaceuticals (AMLX) Tax Rate (2022 - 2025)

Amylyx Pharmaceuticals has reported Tax Rate over the past 4 years, most recently at 0.04% for Q4 2025.

  • Quarterly results put Tax Rate at 0.04% for Q4 2025, up 28.0% from a year ago — trailing twelve months through Dec 2025 was 41.07% (down 14477.0% YoY), and the annual figure for FY2025 was 41.07%, down 14477.0%.
  • Tax Rate for Q4 2025 was 0.04% at Amylyx Pharmaceuticals, up from 0.24% in the prior quarter.
  • Over the last five years, Tax Rate for AMLX hit a ceiling of 8.05% in Q2 2023 and a floor of 32.26% in Q4 2023.
  • Median Tax Rate over the past 4 years was 0.2% (2024), compared with a mean of 2.73%.
  • Biggest five-year swings in Tax Rate: tumbled -3262bps in 2023 and later surged 3202bps in 2024.
  • Amylyx Pharmaceuticals' Tax Rate stood at 0.37% in 2022, then plummeted by -8899bps to 32.26% in 2023, then skyrocketed by 99bps to 0.24% in 2024, then surged by 117bps to 0.04% in 2025.
  • The last three reported values for Tax Rate were 0.04% (Q4 2025), 0.24% (Q4 2024), and 0.2% (Q1 2024) per Business Quant data.