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Biogen (BIIB) Common Equity (2016 - 2025)

Historic Common Equity for Biogen (BIIB) over the last 17 years, with Q4 2025 value amounting to $18.3 billion.

  • Biogen's Common Equity rose 921.75% to $18.3 billion in Q4 2025 from the same period last year, while for Dec 2025 it was $18.3 billion, marking a year-over-year increase of 921.75%. This contributed to the annual value of $18.3 billion for FY2025, which is 921.75% up from last year.
  • As of Q4 2025, Biogen's Common Equity stood at $18.3 billion, which was up 921.75% from $18.2 billion recorded in Q3 2025.
  • In the past 5 years, Biogen's Common Equity registered a high of $18.3 billion during Q4 2025, and its lowest value of $10.7 billion during Q1 2021.
  • Over the past 5 years, Biogen's median Common Equity value was $14.5 billion (recorded in 2023), while the average stood at $14.3 billion.
  • Per our database at Business Quant, Biogen's Common Equity crashed by 1494.55% in 2021 and then skyrocketed by 2287.11% in 2023.
  • Biogen's Common Equity (Quarter) stood at $11.0 billion in 2021, then increased by 22.16% to $13.4 billion in 2022, then increased by 10.54% to $14.8 billion in 2023, then increased by 12.95% to $16.7 billion in 2024, then grew by 9.22% to $18.3 billion in 2025.
  • Its Common Equity stands at $18.3 billion for Q4 2025, versus $18.2 billion for Q3 2025 and $17.6 billion for Q2 2025.