Biogen (BIIB) Shares Outstanding (Diluted Average) (2016 - 2025)
Historic Shares Outstanding (Diluted Average) for Biogen (BIIB) over the last 17 years, with Q4 2025 value amounting to $147.1 million.
- Biogen's Shares Outstanding (Diluted Average) rose 82.25% to $147.1 million in Q4 2025 from the same period last year, while for Dec 2025 it was $147.1 million, marking a year-over-year increase of 82.25%. This contributed to the annual value of $147.1 million for FY2025, which is 82.25% up from last year.
- Latest data reveals that Biogen reported Shares Outstanding (Diluted Average) of $147.1 million as of Q4 2025, which was up 82.25% from $147.1 million recorded in Q3 2025.
- In the past 5 years, Biogen's Shares Outstanding (Diluted Average) ranged from a high of $152.3 million in Q1 2021 and a low of $145.2 million during Q1 2023
- Its 5-year average for Shares Outstanding (Diluted Average) is $147.2 million, with a median of $146.4 million in 2022.
- In the last 5 years, Biogen's Shares Outstanding (Diluted Average) plummeted by 1201.62% in 2021 and then skyrocketed by 82.25% in 2025.
- Biogen's Shares Outstanding (Diluted Average) (Quarter) stood at $149.6 million in 2021, then fell by 2.41% to $146.0 million in 2022, then dropped by 0.27% to $145.6 million in 2023, then grew by 0.21% to $145.9 million in 2024, then rose by 0.82% to $147.1 million in 2025.
- Its last three reported values are $147.1 million in Q4 2025, $147.1 million for Q3 2025, and $146.7 million during Q2 2025.