BIIB logo

Biogen Inc. (BIIB) Market Capitalization

Market cap:

$19.27B-$156.78M(-0.81%)
July 25, 2025

Summary

  • As of today (July 27, 2025), BIIB market capitalization is $19.27 billion, with a fall of -$156.78 million (-0.81%) during the most recent trading session on July 25, 2025.
  • Over the past year, BIIB market cap has dropped by -$13.64 billion (-41.44%).
  • BIIB market cap is now -82.74% 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-0.8%-0.8%0.0%-0.7%
1 m1 month+3.3%+3.3%-+2.7%
3 m3 months+10.7%+10.7%-+8.7%
6 m6 months-9.8%-10.0%--9.1%
ytdytd-12.1%-14.0%--11.0%
1 y1 year-41.4%-42.2%+1.3%-38.1%
5 y5 years-55.3%-51.7%-7.4%-52.0%

BIIB Market cap Highs & Lows

PeriodPeriodHighHighCurrent vs highvs highLowLowCurrent vs lowvs low
1 m1-month$19.83B-2.8%$17.98B+7.2%
3 m3-month$19.85B-2.9%$17.12B+12.6%
6 m6-month$22.25B-13.4%$16.61B+16.0%
1 y1-year$32.91B-41.4%$16.61B+16.0%
3 y3-year$46.04B-58.1%$16.61B+16.0%
5 y5-year$62.44B-69.1%$16.61B+16.0%
alltimeall time$112B-82.7%$11.38B+69.3%

BIIB Market cap History

DateValue
2025
$19.27B(-12.1%)
2024
$21.93B(-40.4%)
2023
$36.80B(-7.7%)
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%)
DateValue
2014
$79.62B(+20.5%)
2013
$66.07B(+90.8%)
2012
$34.63B(+30.0%)
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

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 $19.27B

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 -$2.66B (-12.13%) 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 -$13.64B (-41.44%)
On this page