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Alkermes (ALKS) Shares Outstanding (Weighted Average): 2010-2025

Historic Shares Outstanding (Weighted Average) for Alkermes (ALKS) over the last 15 years, with Sep 2025 value amounting to $165.1 million.

  • Alkermes' Shares Outstanding (Weighted Average) rose 0.25% to $165.1 million in Q3 2025 from the same period last year, while for Sep 2025 it was $165.1 million, marking a year-over-year increase of 0.25%. This contributed to the annual value of $161.8 million for FY2024, which is 3.04% down from last year.
  • Alkermes' Shares Outstanding (Weighted Average) amounted to $165.1 million in Q3 2025, which was up 0.11% from $164.9 million recorded in Q2 2025.
  • Over the past 5 years, Alkermes' Shares Outstanding (Weighted Average) peaked at $169.2 million during Q2 2024, and registered a low of $159.2 million during Q1 2021.
  • Moreover, its 3-year median value for Shares Outstanding (Weighted Average) was $165.1 million (2025), whereas its average is $165.4 million.
  • The largest annual percentage gain for Alkermes' Shares Outstanding (Weighted Average) in the last 5 years was 1.87% (2024), contrasted with its biggest fall of 3.04% (2024).
  • Over the past 5 years, Alkermes' Shares Outstanding (Weighted Average) (Quarterly) stood at $161.7 million in 2021, then rose by 1.61% to $164.3 million in 2022, then grew by 1.56% to $166.9 million in 2023, then fell by 3.04% to $161.8 million in 2024, then climbed by 0.25% to $165.1 million in 2025.
  • Its Shares Outstanding (Weighted Average) stands at $165.1 million for Q3 2025, versus $164.9 million for Q2 2025 and $162.6 million for Q1 2025.