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

Amylyx Pharmaceuticals' Tax Rate history runs 4 years deep, the most recent figure standing at 0.14% for Q4 2025.

• On a quarterly basis, Tax Rate fell 16695.0% year-over-year to 0.14% in Q4 2025; TTM through Dec 2025 was 0.03%, a 2103.0% decrease from a year earlier, with the FY2025 full-year figure at 0.03%, down 2103.0% from the prior year.
• Tax Rate fell to 0.14% in Q4 2025 per AMLX's latest filing, from 166.81% in the prior quarter.
• Across five years, Tax Rate topped out at 166.81% in Q4 2024 and bottomed at 12.12% in Q1 2023.
• The 4-year median for Tax Rate is 0.14% (2025), against an average of 18.79%.
• Across the five-year window, Tax Rate soared 12753 bps in 2024 and sank 16695 bps in 2025, its largest moves.
• Year by year, Tax Rate stood at 1.34% in 2022, then jumped by 3033 bps to 39.28% in 2023, then jumped by 325 bps to 166.81% in 2024, then tumbled by 100 bps to 0.14% in 2025.
• Per Business Quant, the three latest AMLX Tax Rate figures stand at 0.14% (Q4 2025), 166.81% (Q4 2024), and 0.2% (Q1 2024).