Shares outstanding:
146.61M+14.60K(+0.01%)Summary
- As of today (August 18, 2025), BIIB has 146.61 million outstanding stocks, with the most recent change of +14.60 thousand (+0.01%) on July 29, 2025.
- Compared to the previous year, the number of outstanding shares has increased by +953.00 thousand (+0.65%).
Performance
BIIB Shares outstanding Chart
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Range
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BIIB Shares outstanding Trends
| PeriodPeriod | Shares outstandingShares outstanding | PricePrice | Market capMarket cap |
|---|---|---|---|
| RecentMost recent | +0.0% | +0.3% | +0.3% |
| 1 y1 year | +0.7% | -31.2% | -30.7% |
| 3 y3 years | +1.0% | -35.8% | -35.1% |
| 5 y5 years | -7.4% | -51.9% | -55.5% |
BIIB Shares outstanding Highs & Lows
| PeriodPeriod | HighHigh | Current vs highvs high | LowLow | Current vs lowvs low | |
|---|---|---|---|---|---|
| 1 m | 1-month | 146.61M | at high | 146.60M | +0.0% |
| 3 m | 3-month | 146.61M | at high | 146.53M | +0.1% |
| 6 m | 6-month | 146.61M | at high | 146.37M | +0.2% |
| 1 y | 1-year | 146.61M | at high | 145.66M | +0.7% |
| 3 y | 3-year | 146.61M | at high | 144.00M | +1.8% |
| 5 y | 5-year | 158.31M | -7.4% | 144.00M | +1.8% |
| alltime | all time | 344.03M | -57.4% | 118.77M | +23.4% |
BIIB Shares outstanding History
| Date | Value |
|---|---|
| Jul 2025 | 146.61M(+0.6%) |
| Dec 2024 | 145.70M(+0.6%) |
| Dec 2023 | 144.90M(+0.6%) |
| Dec 2022 | 144.10M(-2.0%) |
| Dec 2021 | 147.00M(-3.5%) |
| Dec 2020 | 152.40M(-12.5%) |
| Dec 2019 | 174.20M(-11.7%) |
| Dec 2018 | 197.20M(-6.8%) |
| Dec 2017 | 211.50M(-2.0%) |
| Dec 2016 | 215.90M(-1.2%) |
| Dec 2015 | 218.60M(-6.8%) |
| Dec 2014 | 234.56M(-0.7%) |
| Dec 2013 | 236.33M(-0.1%) |
| Dec 2012 | 236.58M(-2.3%) |
| Date | Value |
|---|---|
| Dec 2011 | 242.12M(+0.7%) |
| Dec 2010 | 240.54M(-12.5%) |
| Dec 2009 | 274.86M(-4.6%) |
| Dec 2008 | 288.05M(-2.6%) |
| Dec 2007 | 295.70M(-12.6%) |
| Dec 2006 | 338.17M(-0.5%) |
| Dec 2005 | 339.96M(+1.0%) |
| Dec 2004 | 336.70M(+1.9%) |
| Dec 2003 | 330.41M(+114.0%) |
| Dec 2002 | 154.39M(+1.1%) |
| Dec 2001 | 152.78M(+4.0%) |
| Dec 2000 | 146.87M(+14.7%) |
| Dec 1999 | 128.02M(+6.0%) |
| Dec 1998 | 120.73M |
FAQ
- What are outstanding stocks?
- How many outstanding stocks does Biogen Inc. have?
- What is Biogen Inc. year-on-year outstanding stocks change?
- What is the all time highest number of outstanidng stocks for Biogen Inc.?
What are outstanding stocks?
Outstanding stocks are the shares of a company that are currently owned by shareholders, including institutional investors and company insiders
How many outstanding stocks does Biogen Inc. have?
As of {todayDate}, Biogen Inc. has 146.61M outstangding shares
What is Biogen Inc. year-on-year outstanding stocks change?
Over the past year, the number of outstanding stocks of BIIB has changed by +953.00K (+0.65%)
What is the all time highest number of outstanidng stocks for Biogen Inc.?
Biogen Inc. historical maximum number of outstanding shares is 344.03M