Growth Metrics

Biogen (BIIB) FCF Margin (2016 - 2026)

Biogen has reported FCF Margin over the past 18 years, most recently at 23.98% for Q1 2026.

  • For Q1 2026, FCF Margin rose 1484.0% year-over-year to 23.98%; the TTM value through Mar 2026 reached 24.38%, down 44.0%, while the annual FY2025 figure was 20.73%, 739.0% down from the prior year.
  • FCF Margin for Q1 2026 was 23.98% at Biogen, up from 20.53% in the prior quarter.
  • Over five years, FCF Margin peaked at 48.38% in Q3 2025 and troughed at 10.28% in Q4 2022.
  • A 5-year average of 18.53% and a median of 20.53% in 2025 define the central range for FCF Margin.
  • Biggest five-year swings in FCF Margin: plummeted -3905bps in 2022 and later soared 3161bps in 2024.
  • Year by year, FCF Margin stood at 10.28% in 2022, then soared by 79bps to 2.21% in 2023, then surged by 1431bps to 29.4% in 2024, then tumbled by -30bps to 20.53% in 2025, then grew by 17bps to 23.98% in 2026.
  • Business Quant data shows FCF Margin for BIIB at 23.98% in Q1 2026, 20.53% in Q4 2025, and 48.38% in Q3 2025.