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Biogen Inc. (BIIB) Market Cap

Market Cap:

$24.58B+$413.70M(+1.71%)
November 14, 2025

Summary

  • As of today, BIIB market cap is $24.58 billion, with a rise of +$413.70 million (+1.71%) during the most recent trading session on November 14, 2025.
  • Over the past year, BIIB market cap has increased by +$552.31 million (+2.30%).
  • BIIB market cap is now -77.99% 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+1.7%+1.7%0.0%+1.5%
1M1 Month+15.3%+15.3%--
3M3 Months+24.2%+24.2%-+15.2%
6M6 Months+39.4%+39.2%-+25.6%
YTDYTD+10.3%+9.6%-+2.2%
1Y1 Year+2.3%+1.6%+0.7%-6.1%
5Y5 Years-35.7%-32.6%-4.7%-36.0%

BIIB Market Cap Highs & Lows

PeriodPeriodHighHighCurrent vs Highvs HighLowLowCurrent vs Lowvs Low
1M1-Month$25Bat high$21B+17.8%
3M3-Month$25Bat high$19B+26.8%
6M6-Month$25Bat high$18B+39.4%
1Y1-Year$25Bat high$17B+48.0%
3Y3-Year$46B-46.6%$17B+48.0%
5Y5-Year$62B-60.6%$17B+48.0%
All-TimeAll-Time$112B-78.0%$348M+6966.1%

BIIB Market Cap History

DateValue
2025
$25B(+10.3%)
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 $24.58B

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 +$2.30B (+10.31%) 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 +$552.31M (+2.30%)
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