Biogen Inc. (BIIB)
NASDAQ: BIIB
· Real-Time Price · USD
137.37
1.70 (1.25%)
At close: Sep 26, 2025, 3:59 PM
137.00
-0.27%
After-hours: Sep 26, 2025, 07:51 PM EDT
Biogen Market Cap
Biogen has a market cap or net worth of 20.14B as of Sep 28, 2025. Its market cap has decreased by -26.89% in one year.
Market Cap Chart
History
| Date | Market Cap | % Change |
|---|---|---|
| Sep 25, 2025 | 19.79B | -11.28% |
| Dec 31, 2024 | 22.31B | -40.5% |
| Dec 29, 2023 | 37.5B | -6.04% |
| Dec 30, 2022 | 39.9B | 13.07% |
| Dec 31, 2021 | 35.29B | -5.11% |
| Dec 31, 2020 | 37.19B | -27.46% |
| Dec 31, 2019 | 51.27B | -13.33% |
| Dec 31, 2018 | 59.16B | -12.19% |
| Dec 29, 2017 | 67.38B | 9.69% |
| Dec 30, 2016 | 61.42B | -8.41% |
| Dec 31, 2015 | 67.06B | -15.93% |
| Dec 31, 2014 | 79.77B | 20.5% |
| Dec 31, 2013 | 66.2B | 90.96% |
| Dec 31, 2012 | 34.67B | 29.65% |
| Dec 30, 2011 | 26.74B | 65.1% |
| Dec 31, 2010 | 16.19B | 12.15% |
| Dec 31, 2009 | 14.44B | 5.38% |
| Dec 31, 2008 | 13.7B | -18.71% |
| Dec 31, 2007 | 16.86B | 0.71% |
| Dec 29, 2006 | 16.74B | 8.85% |
| Dec 30, 2005 | 15.38B | n/a |