Biogen Inc. (BIIB)
NASDAQ: BIIB
· Real-Time Price · USD
140.67
0.73 (0.52%)
At close: Sep 05, 2025, 3:59 PM
140.35
-0.23%
After-hours: Sep 05, 2025, 07:39 PM EDT
Biogen Market Cap
Biogen has a market cap or net worth of 20.62B as of Sep 6, 2025. Its market cap has decreased by -30.93% in one year.
Market Cap Chart
Market Cap History
| Date | Market Cap | % Change |
|---|---|---|
| Sep 04, 2025 | 20.42B | -8.49% |
| 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 | -31.14% |
| Dec 31, 2004 | 22.33B | 82.36% |
| Dec 31, 2003 | 12.25B | -5.32% |
| Dec 31, 2002 | 12.94B | -51.88% |
| Dec 31, 2001 | 26.88B | -4.45% |
| Dec 29, 2000 | 28.13B | 90.44% |
| Dec 31, 1999 | 14.77B | 113.21% |
| Dec 31, 1998 | 6.93B | 37.76% |
| Dec 31, 1997 | 5.03B | 49.49% |
| Dec 31, 1996 | 3.36B | 39.9% |
| Dec 29, 1995 | 2.4B | 708.4% |
| Dec 30, 1994 | 297.5M | -63.04% |
| Dec 31, 1993 | 805M | -34.87% |
| Dec 31, 1992 | 1.24B | 18.84% |
| Dec 31, 1991 | 1.04B | n/a |