Latest period
$32.1B
YoY change
+20.5%
5Y CAGR
-2.8%
Peak year (2014)
$80.5B
Latest annual
$31.1B
Market Cap history chart for Biogen (BIIB) from 2017 to 2026
Latest: $31.1B
Market Cap growth chart for Biogen (BIIB) from 2017 to 2026
Latest: +20.5%
Market Cap history table for Biogen (BIIB) from 1991 to 2026
| 2026 | $31.1B | +20.5% | +$5.29B | ||
| 2025 | $25.8B | +15.7% | +$3.51B | ||
| 2024 | $22.3B | -40.8% | -$15.4B | ||
| 2023 | $37.7B | -6.8% | -$2.75B | ||
| 2022 | $40.4B | +12.6% | +$4.54B | ||
| 2021 | $35.9B | -9.1% | -$3.6B | ||
| 2020 | $39.5B | -29.0% | -$16.1B | ||
| 2019 | $55.6B | -10.0% | -$6.17B | ||
| 2018 | $61.8B | -9.0% | -$6.08B | ||
| 2017 | $67.9B | +9.4% | +$5.81B | ||
| 2016 | $62B | -12.4% | -$8.78B | ||
| 2015 | $70.8B | -12.0% | -$9.68B | ||
| 2014 | $80.5B | +20.8% | +$13.9B | ||
| 2013 | $66.6B | +89.9% | +$31.5B | ||
| 2012 | $35.1B | +30.1% | +$8.12B | ||
| 2011 | $27B | +57.8% | +$9.88B | ||
| 2010 | $17.1B | +10.3% | +$1.6B | ||
| 2009 | $15.5B | +10.2% | +$1.44B | ||
| 2008 | $14.1B | -22.9% | -$4.17B | ||
| 2007 | $18.2B | +7.3% | +$1.24B | ||
| 2006 | $17B | +8.4% | +$1.31B | ||
| 2005 | $15.7B | -31.5% | -$7.2B | ||
| 2004 | $22.9B | +86.8% | +$10.6B | ||
| 2003 | $12.2B | -7.4% | -$980M | ||
| 2002 | $13.2B | -51.9% | -$14.3B | ||
| 2001 | $27.5B | -6.2% | -$1.82B | ||
| 2000 | $29.3B | +89.0% | +$13.8B | ||
| 1999 | $15.5B | +109.3% | +$8.1B | ||
| 1998 | $7.41B | +39.5% | +$2.1B | ||
| 1997 | $5.31B | +45.3% | +$1.66B | ||
| 1996 | $3.65B | +59.4% | +$1.36B | ||
| 1995 | $2.29B | +692.8% | +$2B | ||
| 1994 | $289M | -62.8% | -$487M | ||
| 1993 | $776M | -37.5% | -$465M | ||
| 1992 | $1.24B | -15.1% | -$221M | ||
| 1991 | $1.46B | — | — |
- 2026$31.1B+20.5%
- 2025$25.8B+15.7%
- 2024$22.3B-40.8%
- 2023$37.7B-6.8%
- 2022$40.4B+12.6%
- 2021$35.9B-9.1%
- 2020$39.5B-29.0%
- 2019$55.6B-10.0%
- 2018$61.8B-9.0%
- 2017$67.9B+9.4%
- 2016$62B-12.4%
- 2015$70.8B-12.0%
- 2014$80.5B+20.8%
- 2013$66.6B+89.9%
- 2012$35.1B+30.1%
- 2011$27B+57.8%
- 2010$17.1B+10.3%
- 2009$15.5B+10.2%
- 2008$14.1B-22.9%
- 2007$18.2B+7.3%
- 2006$17B+8.4%
- 2005$15.7B-31.5%
- 2004$22.9B+86.8%
- 2003$12.2B-7.4%
- 2002$13.2B-51.9%
- 2001$27.5B-6.2%
- 2000$29.3B+89.0%
- 1999$15.5B+109.3%
- 1998$7.41B+39.5%
- 1997$5.31B+45.3%
- 1996$3.65B+59.4%
- 1995$2.29B+692.8%
- 1994$289M-62.8%
- 1993$776M-37.5%
- 1992$1.24B-15.1%
- 1991$1.46B—
Market Cap values are taken from Biogen's reported income statements (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About Market Cap at Biogen (BIIB)
According to Biogen's latest reported financial statements, the company's latest reported market cap is $32.1B. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
As of the 2026 fiscal year, Biogen (BIIB) reported market cap of $31.1B – grew 20.5% year-over-year.
Biogen market cap has grown for 2 consecutive years, with a -2.8% compound annual growth rate over 2021–2026 (5 years).
Between 2014 and 2026, Biogen market cap plunged 61.4%, falling from $80.5B to $31.1B.
The highest annual market cap of $80.5B was reported in 2014. The lowest in the available history was $289M in 1994.
Biogen Market Cap by Year
Biogen Market Cap 2026: $31.1B
2026's market cap for Biogen came in at $31.1B, grew 20.5% from 2025.
Biogen Market Cap 2025: $25.8B
Biogen posted market cap of $25.8B in 2025, grew 15.7% from 2024.
Biogen Market Cap 2024: $22.3B
In 2024, Biogen reported market cap of $22.3B, plunged 40.8% below 2023.
Biogen Market Cap 2023: $37.7B
Biogen market cap in 2023 was $37.7B, declined 6.8% below 2022.
Biogen Market Cap 2022: $40.4B
Biogen market cap in 2022 was $40.4B.
See more financial history for Biogen (BIIB).
Sector peers by Market Cap
Healthcare peers of Biogen (BIIB), ranked by their latest market cap
| $1.14T | |
| $640B | |
| $466B | |
| $382B | |
| $322B | |
| $229B | |
| $214B | |
| $209B |
- $1.14T
- $466B
- $322B
- $229B
- $209B
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