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Alnylam Pharmaceuticals (ALNY) Tax Rate: 2009-2024

Historic Tax Rate for Alnylam Pharmaceuticals (ALNY) over the last 1 years, with Dec 2024 value amounting to 56.81%.

  • Alnylam Pharmaceuticals' Tax Rate was N/A to 56.81% in Q4 2024 from the same period last year, while for Jun 2025 it was 15.94%, marking a year-over-year change of. This contributed to the annual value of 26.29% for FY2024, which is N/A change from last year.
  • Alnylam Pharmaceuticals' Tax Rate amounted to 56.81% in Q4 2024, which was up 2,766.19% from 1.98% recorded in Q3 2023.
  • In the past 5 years, Alnylam Pharmaceuticals' Tax Rate ranged from a high of 56.81% in Q4 2024 and a low of 0.01% during Q3 2022.
  • Over the past 3 years, Alnylam Pharmaceuticals' median Tax Rate value was 1.98% (recorded in 2023), while the average stood at 19.60%.
  • As far as peak fluctuations go, Alnylam Pharmaceuticals' Tax Rate decreased by 12bps in 2020, and later soared by 198bps in 2023.
  • Over the past 5 years, Alnylam Pharmaceuticals' Tax Rate (Quarterly) stood at 0.02% in 2020, then spiked by 68bps to 0.71% in 2021, then reached 0.01% in 2022, then soared by 198bps to 1.98% in 2023, then reached 56.81% in 2024.
  • Its Tax Rate stands at 56.81% for Q4 2024, versus 1.98% for Q3 2023 and 0.01% for Q3 2022.