BIIB
Biogen Inc. Common Stock
stockNASDAQ
through cutting-edge science and medicine, biogen discovers, develops and delivers innovative therapies worldwide for people living with serious neurological and neurodegenerative diseases. founded in 1978, biogen is a pioneer in biotechnology and today the company has the leading portfolio of medicines to treat multiple sclerosis, has introduced the first and only approved treatment for spinal muscular atrophy, and is at the forefront of neurology research for conditions including alzheimer's disease, parkinson's disease and amyotrophic lateral sclerosis. biogen also manufactures and commercializes biosimilars of advanced biologics. with approximately 7000 people worldwide, we are truly a global organization, headquartered in cambridge, massachusetts, which is also home to our research operations. our international headquarters are based in zug, switzerland and we have world-class manufacturing facilities in north carolina and denmark. we offer therapies globally through direct affili
| Period | Price | Date | Change | Beta |
|---|---|---|---|---|
| 1W | 252.26 | 2026-10-26 | +0.69% | -1.373 |
| 1M | 222.82 | 2026-10-01 | +13.99% | -0.542 |
| 3M | 202.95 | 2026-07-31 | +25.15% | 0.463 |
| 6M | 187.06 | 2026-05-01 | +35.78% | -0.057 |
| 1Y | 154.27 | 2025-10-31 | +64.64% | 0.244 |
| 2Y | 173.79 | 2024-11-01 | +46.15% | — |
| 5Y | 272.10 | 2021-11-01 | -6.66% | 0.263 |
Biogen Inc. Common Stock (NASDAQ:BIIB) stock price today is $253.99, and today's volume is 1,303,306. BIIB is up 1.738% today. The 30 day average volume is 1.30M. BIIB market cap is $37.54B with 147.82M shares outstanding.