Growth Metrics

Alkermes (ALKS) Shares Outstanding (2016 - 2025)

Alkermes (ALKS) has disclosed Shares Outstanding for 16 consecutive years, with $165.6 million as the latest value for Q4 2025.

  • Quarterly Shares Outstanding fell 6.26% to $165.6 million in Q4 2025 from the year-ago period, while the trailing twelve-month figure was $165.6 million through Dec 2025, down 6.26% year-over-year, with the annual reading at $165.6 million for FY2025, 6.26% down from the prior year.
  • Shares Outstanding for Q4 2025 was $181.0 million at Alkermes, up from $165.1 million in the prior quarter.
  • The five-year high for Shares Outstanding was $181.0 million in Q4 2025, with the low at -$5.5 million in Q3 2023.
  • Average Shares Outstanding over 5 years is $128.2 million, with a median of $168.9 million recorded in 2022.
  • The sharpest move saw Shares Outstanding skyrocketed 4699.42% in 2022, then crashed 103.25% in 2023.
  • Over 5 years, Shares Outstanding stood at $165.8 million in 2021, then rose by 1.91% to $169.0 million in 2022, then increased by 2.14% to $172.6 million in 2023, then increased by 2.38% to $176.7 million in 2024, then dropped by 6.26% to $165.6 million in 2025.
  • According to Business Quant data, Shares Outstanding over the past three periods came in at $165.6 million, $165.1 million, and $180.4 million for Q4 2025, Q3 2025, and Q2 2025 respectively.