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

Amylyx Pharmaceuticals has reported Tax Rate for 4 years, with the latest figure at 92.2% in Q4 2025.

• On a quarterly basis, Tax Rate fell 7461.0% year-over-year to 92.2% in Q4 2025; TTM through Dec 2025 was 21.0%, a 0.0% change from a year earlier, with the FY2025 full-year figure at 21.0%, changed 0.0% from the prior year.
• Tax Rate was 92.2% for Q4 2025 at Amylyx Pharmaceuticals, down from 166.81% in the prior quarter.
• The five-year high for Tax Rate was 166.81% in Q4 2024, with the low at 12.12% in Q1 2023.
• Average Tax Rate over 4 years is 26.38%, with a median of 0.23% recorded in 2022.
• The sharpest annual moves came in 2024 and 2025: Tax Rate surged 13641 bps in 2024, then tumbled 7461 bps in 2025.
• Over 4 years, Tax Rate stood at 1.33% in 2022, then surged by 2390 bps to 30.4% in 2023, then surged by 449 bps to 166.81% in 2024, then plunged by 45 bps to 92.2% in 2025.
• The last three Tax Rate figures came in at 92.2% (Q4 2025), 166.81% (Q4 2024), and 0.2% (Q1 2024), per Business Quant data.