Growth Metrics

Biogen (BIIB) Equity Ratio (2016 - 2025)

Historic Equity Ratio for Biogen (BIIB) over the last 17 years, with Q4 2025 value amounting to 0.62.

  • Biogen's Equity Ratio rose 406.0% to 0.62 in Q4 2025 from the same period last year, while for Dec 2025 it was 0.62, marking a year-over-year increase of 406.0%. This contributed to the annual value of 0.62 for FY2025, which is 406.0% up from last year.
  • According to the latest figures from Q4 2025, Biogen's Equity Ratio is 0.62, which was up 406.0% from 0.62 recorded in Q3 2025.
  • Biogen's Equity Ratio's 5-year high stood at 0.62 during Q3 2025, with a 5-year trough of 0.45 in Q1 2021.
  • For the 5-year period, Biogen's Equity Ratio averaged around 0.54, with its median value being 0.56 (2023).
  • As far as peak fluctuations go, Biogen's Equity Ratio crashed by 687.14% in 2021, and later surged by 2152.64% in 2023.
  • Quarter analysis of 5 years shows Biogen's Equity Ratio stood at 0.46 in 2021, then increased by 18.79% to 0.55 in 2022, then grew by 1.11% to 0.55 in 2023, then rose by 8.1% to 0.6 in 2024, then increased by 4.06% to 0.62 in 2025.
  • Its Equity Ratio was 0.62 in Q4 2025, compared to 0.62 in Q3 2025 and 0.62 in Q2 2025.