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Alnylam Pharmaceuticals (ALNY) Shares Outstanding (Weighted Average) (2016 - 2025)

Alnylam Pharmaceuticals' Shares Outstanding (Weighted Average) history spans 17 years, with the latest figure at $131.0 million for Q4 2025.

  • For Q4 2025, Shares Outstanding (Weighted Average) rose 2.63% year-over-year to $131.0 million; the TTM value through Dec 2025 reached $131.0 million, up 2.63%, while the annual FY2025 figure was $131.0 million, 2.63% up from the prior year.
  • Shares Outstanding (Weighted Average) reached $131.0 million in Q4 2025 per ALNY's latest filing, roughly flat from $131.4 million in the prior quarter.
  • In the past five years, Shares Outstanding (Weighted Average) ranged from a high of $131.4 million in Q3 2025 to a low of $117.1 million in Q1 2021.
  • Average Shares Outstanding (Weighted Average) over 5 years is $124.3 million, with a median of $124.5 million recorded in 2023.
  • Peak YoY movement for Shares Outstanding (Weighted Average): grew 3.84% in 2021, then rose 1.63% in 2024.
  • A 5-year view of Shares Outstanding (Weighted Average) shows it stood at $118.5 million in 2021, then rose by 2.73% to $121.7 million in 2022, then rose by 2.64% to $124.9 million in 2023, then grew by 2.2% to $127.7 million in 2024, then rose by 2.63% to $131.0 million in 2025.
  • Per Business Quant, the three most recent readings for ALNY's Shares Outstanding (Weighted Average) are $131.0 million (Q4 2025), $131.4 million (Q3 2025), and $130.6 million (Q2 2025).