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Alkermes (ALKS) Tax Rate (2016 - 2025)

Historic Tax Rate for Alkermes (ALKS) over the last 16 years, with Q3 2025 value amounting to 17.87%.

  • Alkermes' Tax Rate rose 20500.0% to 17.87% in Q3 2025 from the same period last year, while for Sep 2025 it was 15.68%, marking a year-over-year increase of 321500.0%. This contributed to the annual value of 16.14% for FY2024, which is 393000.0% up from last year.
  • As of Q3 2025, Alkermes' Tax Rate stood at 17.87%, which was up 20500.0% from 16.92% recorded in Q2 2025.
  • In the past 5 years, Alkermes' Tax Rate registered a high of 58.2% during Q2 2021, and its lowest value of 175.32% during Q4 2023.
  • For the 5-year period, Alkermes' Tax Rate averaged around 1.13%, with its median value being 11.87% (2025).
  • As far as peak fluctuations go, Alkermes' Tax Rate tumbled by -1987000bps in 2023, and later surged by 1895100bps in 2024.
  • Quarter analysis of 5 years shows Alkermes' Tax Rate stood at 1.43% in 2021, then surged by 1538bps to 23.38% in 2022, then plummeted by -850bps to 175.32% in 2023, then soared by 108bps to 14.19% in 2024, then grew by 26bps to 17.87% in 2025.
  • Its Tax Rate stands at 17.87% for Q3 2025, versus 16.92% for Q2 2025 and 11.87% for Q1 2025.