Regular Market:
$137.37+$1.70(+1.25%)Full Day:
$137.00+$1.56(+1.15%)Summary
- As of today (September 29, 2025), BIIB stock price is $137.37, with a rise of +$1.70 (+1.25%) during the most recent trading session on September 26, 2025.
- Over the past year, BIIB stock price has dropped by -$56.23 (-29.04%).
- BIIB stock price is now -71.39% below its all-time high of $480.18.
Performance
BIIB Price Chart
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Highlights
Range
Split history
Related metrics
BIIB Price Trends
| PeriodPeriod | PricePrice | S&P 500S&P 500 | NASDAQNASDAQ | Dow JonesDow Jones | XLVXLV |
|---|---|---|---|---|---|
| todaytoday | +1.3% | +0.6% | +0.4% | +0.7% | +1.0% |
| 1 m1 month | +0.5% | +2.8% | +4.4% | +1.8% | -1.1% |
| 3 m3 months | +8.2% | +8.2% | +11.5% | +6.6% | +0.9% |
| 6 m6 months | -3.5% | +16.3% | +25.6% | +8.9% | -6.4% |
| ytdytd | -10.2% | +13.0% | +16.4% | +8.7% | -1.5% |
| 1 y1 year | -29.0% | +15.6% | +23.6% | +9.7% | -11.5% |
| 5 y5 years | -49.7% | +101.4% | +106.0% | +70.2% | +31.5% |
BIIB Price Highs & Lows
| PeriodPeriod | HighHigh | Current vs highvs high | LowLow | Current vs lowvs low | |
|---|---|---|---|---|---|
| 1 m | 1-month | $150.28 | -8.6% | $131.52 | +4.5% |
| 3 m | 3-month | $150.28 | -8.6% | $121.05 | +13.5% |
| 6 m | 6-month | $150.28 | -8.6% | $110.04 | +24.8% |
| 1 y | 1-year | $197.70 | -30.5% | $110.04 | +24.8% |
| 3 y | 3-year | $319.76 | -57.0% | $110.04 | +24.8% |
| 5 y | 5-year | $468.55 | -70.7% | $110.04 | +24.8% |
| alltime | all time | $480.18 | -71.4% | $0.35 | >+9999.0% |
BIIB Price History
| Date | Value |
|---|---|
| 2025 | $137.37(-10.2%) |
| 2024 | $152.92(-40.9%) |
| 2023 | $258.77(-6.6%) |
| 2022 | $276.92(+15.4%) |
| 2021 | $239.92(-2.0%) |
| 2020 | $244.86(-17.5%) |
| 2019 | $296.73(-1.4%) |
| 2018 | $300.92(-5.5%) |
| 2017 | $318.57(+12.3%) |
| 2016 | $283.58(-7.4%) |
| 2015 | $306.35(-9.8%) |
| 2014 | $339.45(+21.4%) |
| 2013 | $279.57(+91.0%) |
| 2012 | $146.37(+33.0%) |
| 2011 | $110.05(+64.1%) |
| 2010 | $67.05(+25.3%) |
| 2009 | $53.50(+12.3%) |
| Date | Value |
|---|---|
| 2008 | $47.63(-16.3%) |
| 2007 | $56.92(+15.7%) |
| 2006 | $49.19(+8.6%) |
| 2005 | $45.28(-32.0%) |
| 2004 | $66.61(+81.5%) |
| 2003 | $36.70(+10.6%) |
| 2002 | $33.17(-51.9%) |
| 2001 | $68.93(+9.1%) |
| 2000 | $63.19(+92.9%) |
| 1999 | $32.75(+318.1%) |
| 1998 | $7.83(+36.7%) |
| 1997 | $5.73(+44.7%) |
| 1996 | $3.96(+21.8%) |
| 1995 | $3.25(+817.6%) |
| 1994 | $0.35(-63.0%) |
| 1993 | $0.96(-34.3%) |
| 1992 | $1.46(-32.7%) |
| 1991 | $2.17 |
FAQ
- What is the price of Biogen Inc. stock today?
- What is the all time high price for Biogen Inc. stock?
- When did Biogen Inc. stock split?
- What is BIIB year-to-date return?
- What is BIIB year-on-year return?
What is the price of Biogen Inc. stock today?
The current price of BIIB is $137.37
What is the all time high price for Biogen Inc. stock?
Biogen Inc. stock all-time high price is $480.18
When did Biogen Inc. stock split?
BIIB most recent stock split occurred on Jan 18, 2001
What is BIIB year-to-date return?
Biogen Inc. stock has returned -$15.55 (-10.17%) since the beginning of the year
What is BIIB year-on-year return?
Over the past year, Biogen Inc. stock has returned -$56.23 (-29.04%)