BIIB logo

Biogen Inc. (BIIB) Market Capitalization

Market cap:

$21.17B+$103.36M(+0.49%)
7 min ago

Summary

  • As of today (September 17, 2025), BIIB market capitalization is $21.17 billion, with a rise of +$103.36 million (+0.49%) during the current trading session.
  • Over the past year, BIIB market cap has dropped by -$7.70 billion (-26.68%).
  • BIIB market cap is now -81.04% below its all-time high of $111.67 billion.

Performance

BIIB Market cap Chart

Add series to chart
Add series to chart(max: 6)
company, ETF, index, featured screener or watchlist
series name
Suggested series

Highlights

Range

Related metrics

Market cap Formula

Market Cap = Price ✕ Shares Outstanding

BIIB Market cap Trends

PeriodPeriodMarket capMarket capPricePriceShares outstandingShares outstandingEnterprise valueEnterprise value
todaytoday+0.5%+0.5%+0.0%+0.4%
1 m1 month+4.2%+4.2%-+3.5%
3 m3 months+14.2%+14.1%-+10.8%
6 m6 months+0.8%+0.6%--1.4%
ytdytd-5.0%-5.6%--6.1%
1 y1 year-26.7%-27.2%+0.7%-25.6%
5 y5 years-51.4%-47.6%-7.4%-46.9%

BIIB Market cap Highs & Lows

PeriodPeriodHighHighCurrent vs highvs highLowLowCurrent vs lowvs low
1 m1-month$21.82B-3.0%$19.39B+9.2%
3 m3-month$21.82B-3.0%$17.98B+17.7%
6 m6-month$21.82B-3.0%$16.61B+27.4%
1 y1-year$29.34B-27.9%$16.61B+27.4%
3 y3-year$46.04B-54.0%$16.61B+27.4%
5 y5-year$62.44B-66.1%$16.61B+27.4%
alltimeall time$112B-81.0%$348M+5985.6%

BIIB Market cap History

DateValue
2025
$21.17B(-5.0%)
2024
$22.28B(-40.6%)
2023
$37.50B(-6.0%)
2022
$39.88B(+13.1%)
2021
$35.27B(-5.5%)
2020
$37.32B(-27.8%)
2019
$51.69B(-12.9%)
2018
$59.34B(-11.9%)
2017
$67.38B(+10.0%)
2016
$61.25B(-8.5%)
2015
$66.97B(-15.9%)
2014
$79.62B(+20.5%)
2013
$66.07B(+90.8%)
2012
$34.63B(+30.0%)
DateValue
2011
$26.64B(+65.2%)
2010
$16.13B(+9.7%)
2009
$14.70B(+7.2%)
2008
$13.72B(-18.5%)
2007
$16.83B(+1.2%)
2006
$16.63B(+8.1%)
2005
$15.39B(-32.0%)
2004
$22.63B(+86.6%)
2003
$12.13B(+136.8%)
2002
$5.12B(-51.4%)
2001
$10.53B(+13.5%)
2000
$9.28B(+121.4%)
1999
$4.19B(+343.3%)
1998
$945.68M

FAQ

  • What is Biogen Inc. market capitalization?
  • What is the all time high market cap for Biogen Inc.?
  • What is BIIB market capitalization year-to-date change?
  • What is Biogen Inc. market cap year-on-year change?

What is Biogen Inc. market capitalization?

The current market cap of BIIB is $21.17B

What is the all time high market cap for Biogen Inc.?

Biogen Inc. all-time high market capitalization is $111.67B

What is BIIB market capitalization year-to-date change?

Biogen Inc. market capitalization has changed by -$1.11B (-5.00%) since the beginning of the year

What is Biogen Inc. market cap year-on-year change?

Over the past year, BIIB market capitalization has changed by -$7.70B (-26.68%)
On this page