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Biogen Inc. (BIIB) Market Cap

Market Cap:

$25.87B+$221.52M(+0.86%)
December 24, 2025

Summary

  • As of today, BIIB market cap is $25.87 billion, with a rise of +$221.52 million (+0.86%) during the most recent trading session on December 24, 2025.
  • Over the past year, BIIB market cap has increased by +$4.15 billion (+19.12%).
  • BIIB market cap is now -76.84% below its all-time high of $111.67 billion.

Performance

BIIB Market Cap Chart

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Related metrics

Market Cap Formula

Market Cap = Price ✕ Shares Outstanding

BIIB Market Cap Trends

PeriodPeriodMarket CapMarket CapPricePriceShares OutstandingShares OutstandingEnterprise ValueEnterprise Value
1D1 Day+0.9%+0.9%0.0%+0.8%
1M1 Month-0.3%-0.3%--0.3%
3M3 Months+28.2%+28.1%-+18.6%
6M6 Months+39.8%+39.6%-+26.5%
YTDYTD+16.1%+15.3%-+7.0%
1Y1 Year+19.1%+18.3%+0.7%+6.9%
5Y5 Years-32.5%-29.1%-4.7%-33.0%

BIIB Market Cap Highs & Lows

PeriodPeriodHighHighCurrent vs Highvs HighLowLowCurrent vs Lowvs Low
1M1-Month$27B-3.2%$25B+3.8%
3M3-Month$27B-3.2%$20B+30.1%
6M6-Month$27B-3.2%$18B+43.8%
1Y1-Year$27B-3.2%$17B+55.7%
3Y3-Year$46B-43.8%$17B+55.7%
5Y5-Year$62B-58.6%$17B+55.7%
All-TimeAll-Time$112B-76.8%$348M+7336.4%

BIIB Market Cap History

DateValue
2025
$26B(+16.1%)
2024
$22B(-40.6%)
2023
$37B(-6.0%)
2022
$40B(+13.1%)
2021
$35B(-5.5%)
2020
$37B(-27.8%)
2019
$52B(-12.9%)
2018
$59B(-11.9%)
2017
$67B(+10.0%)
2016
$61B(-8.5%)
2015
$67B(-15.9%)
2014
$80B(+20.5%)
2013
$66B(+90.8%)
2012
$35B(+30.0%)
DateValue
2011
$27B(+65.2%)
2010
$16B(+9.7%)
2009
$15B(+7.2%)
2008
$14B(-18.5%)
2007
$17B(+1.2%)
2006
$17B(+8.1%)
2005
$15B(-32.0%)
2004
$23B(+86.6%)
2003
$12B(+136.8%)
2002
$5B(-51.4%)
2001
$11B(+13.5%)
2000
$9B(+121.4%)
1999
$4B(+343.3%)
1998
$946M

FAQ

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

What is Biogen Inc. market cap?

The current market cap of BIIB is $25.87B

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

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

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

Biogen Inc. market cap has changed by +$3.58B (+16.09%) since the beginning of the year

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

Over the past year, BIIB market cap has changed by +$4.15B (+19.12%)
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