Biogen (BIIB) stock — price, news and analysis
Biogen (BIIB) trades on NASDAQ. Track its live price and interactive chart below; the latest BIIB news will appear here as it is published.
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Latest US market news
No BIIB-specific stories yet — here's what's moving the US market. All US news ›
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Sep 21, 2026BIIB — frequently asked
What is the BIIB stock price today?
The live Biogen (BIIB) price and an interactive chart are shown at the top of this page, updated in real time during US market hours (9:30 AM – 4:00 PM ET) and at the last close otherwise.
Where is BIIB listed?
Biogen (BIIB) is listed on NASDAQ. It belongs to the 바이오 sector.
Is the latest BIIB news bullish or bearish?
We are not tracking BIIB news right now. New stories will appear in the news section below as they are published.
Prices are delayed outside US market hours and provided for information only — not investment advice. Biogen (BIIB) news is produced from public information.