176.33
+1.51(+0.86%)
Currency In USD
| Previous Close | 174.82 |
| Open | 175.73 |
| Day High | 177.18 |
| Day Low | 175.37 |
| 52-Week High | 185.17 |
| 52-Week Low | 110.04 |
| Volume | 432,439 |
| Average Volume | 2.09M |
| Market Cap | 25.87B |
| PE | 16.07 |
| EPS | 10.97 |
| Moving Average 50 Days | 164.12 |
| Moving Average 200 Days | 140.31 |
| Change | 1.51 |
If you invested $1000 in Biogen Inc. (BIIB) 10 years ago, it would be worth $580.34 as of December 25, 2025 at a share price of $176.33. Whereas If you bought $1000 worth of Biogen Inc. (BIIB) shares 5 years ago, it would be worth $722.22 as of December 25, 2025 at a share price of $176.33.
For more details, use our stock calculator to calculate how much you would've made investing different amounts on specific dates.
The Journal of the American Medical Association (JAMA) Neurology Publishes Long Term Results from the QALSODY Phase 3 VALOR Study and its Open-Label Extension in SOD1-ALS
GlobeNewswire Inc.
Dec 22, 2025 4:20 PM GMT
Long-term data published in JAMA Neurology further illustrate the effects of Biogen’s QALSODY on function, strength, and survival in SOD1-ALSOver 3 years, a subset of QALSODY-treated participants regained previously lost function and strength, someth
“LEQEMBI®” (lecanemab) for the Treatment of Early Alzheimer’s Disease Included in China’s Commercial Insurance Innovative Drug List
GlobeNewswire Inc.
Dec 08, 2025 11:30 PM GMT
TOKYO and CAMBRIDGE, Mass., Dec. 08, 2025 (GLOBE NEWSWIRE) -- Eisai Co., Ltd. (Headquarters: Tokyo, CEO: Haruo Naito, “Eisai”) and Biogen Inc. (Nasdaq: BIIB, Corporate headquarters: Cambridge, Massachusetts, CEO: Christopher A. Viehbacher, “Biogen”
Biogen and Stoke Therapeutics Announce Presentations at the 2025 American Epilepsy Society Annual Meeting
GlobeNewswire Inc.
Dec 01, 2025 12:30 PM GMT
New analyses from the ongoing open label extension (OLE) studies and findings from electroencephalogram (EEG) assessments in patients with Dravet syndrome treated with zorevunersen support the potential for disease modificationCAMBRIDGE, Mass and BED