Biogen Idec (BIIB)
185.95
+2.61 (1.42%)
NASDAQ · Last Trade: Apr 21st, 11:41 PM EDT
Detailed Quote
| Previous Close | 183.34 |
|---|---|
| Open | 184.52 |
| Bid | 178.25 |
| Ask | 190.00 |
| Day's Range | 181.75 - 187.74 |
| 52 Week Range | 115.25 - 202.41 |
| Volume | 1,063,304 |
| Market Cap | 27.30B |
| PE Ratio (TTM) | 21.15 |
| EPS (TTM) | 8.8 |
| Dividend & Yield | N/A (N/A) |
| 1 Month Average Volume | 1,290,102 |
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About Biogen Idec (BIIB)
Biogen is a global biotechnology company dedicated to discovering, developing, and delivering innovative therapies for neurological and neurodegenerative diseases. The company focuses on addressing serious conditions such as multiple sclerosis, Alzheimer's disease, and spinal muscular atrophy, among others. Through advanced research and development, Biogen aims to create breakthrough treatments that improve the lives of patients and their families, and it leverages its expertise in biologics and immunology to bring novel solutions to market. Additionally, Biogen is committed to advancing science and fostering collaboration within the medical and scientific communities to further enhance patient care. Read More
News & Press Releases
Biogen (BIIB) Q2 2025 Earnings Transcript
Via The Motley Fool · April 21, 2026
Biogen (BIIB) Q3 2025 Earnings Transcript
Via The Motley Fool · April 21, 2026
Check out the companies making headlines yesterday: Cadence Design Systems (NASDAQ:CDNS): Electronic design automation company Cadence Design Systems (NASDAQ...
Via StockStory · April 21, 2026
Biogen has had an impressive run over the past six months as its shares have beaten the S&P 500 by 19.7%. The stock now trades at $183.50, marking a 25.5% ga...
Via StockStory · April 21, 2026
As the Q4 earnings season comes to a close, it’s time to take stock of this quarter’s best and worst performers in the therapeutics industry, including Novav...
Via StockStory · April 20, 2026
What Happened? Shares of biotech company Biogen (NASDAQ:BIIB) jumped 3.6% in the afternoon session after the company received an analyst upgrade from Wells F...
Via StockStory · April 20, 2026
Top S&P500 movers in Monday's sessionchartmill.com
Via Chartmill · April 20, 2026
What's going on in today's session: S&P500 moverschartmill.com
Via Chartmill · April 20, 2026
CAMBRIDGE, Mass. and HANGZHOU, China, April 20, 2026 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) and TJ Biopharma (“TJ Bio”) today announced that the companies have entered into a definitive agreement under which Biogen has agreed to acquire TJ Bio’s exclusive rights to felzartamab in the Greater China Region. With this agreement, Biogen now owns exclusive worldwide rights to felzartamab, which is currently being evaluated in global Phase 3 clinical studies across multiple immune-mediated diseases.
By Biogen Inc. · Via GlobeNewswire · April 20, 2026
Or is the biotech's best days in the rearview mirror?
Via The Motley Fool · April 16, 2026
The S&P 500 (^GSPC) is often seen as a benchmark for strong businesses, but that doesn’t mean every stock is worth owning. Some companies face significant ch...
Via StockStory · April 8, 2026
Wondering what's happening in today's S&P500 pre-market session?chartmill.com
Via Chartmill · April 7, 2026
Many investors pay attention to mid-cap stocks because they have established business models and expansive market opportunities. However, their paths to beco...
Via StockStory · April 7, 2026
Its first-quarter expenses will be notably higher than anticipated.
Via The Motley Fool · April 6, 2026
In a move that signals a decisive pivot for the biotechnology giant, Biogen Inc. (NASDAQ: BIIB) announced on March 31, 2026, that it has entered into a definitive agreement to acquire Apellis Pharmaceuticals (NASDAQ: APLS) for approximately $5.6 billion. The acquisition, which centers on Apellis' pioneering therapies targeting the
Via MarketMinute · April 6, 2026
Uncover the latest developments among S&P500 stocks in today's session.chartmill.com
Via Chartmill · April 6, 2026
As of April 3, 2026, the American equity market is witnessing a historic "Great Rotation" that many analysts believe could define the latter half of the decade. For the first time in over a quarter-century, the valuation gap between the S&P 500 (INDEXSP:INX) and the Russell 2000 (INDEXRUSSELL:
Via MarketMinute · April 3, 2026
While strong cash flow is a key indicator of stability, it doesn’t always translate to superior returns. Some cash-heavy businesses struggle with inefficient...
Via StockStory · April 3, 2026
What Happened? A number of stocks fell in the afternoon session after reports revealed that the US may impose up to 100% tariffs on imports of branded and pa...
Via StockStory · April 2, 2026
Discover which S&P500 stocks are making waves on Thursday.chartmill.com
Via Chartmill · April 2, 2026
Explore the top gainers and losers within the S&P500 index in today's session.chartmill.com
Via Chartmill · April 2, 2026
In a move that has sent shockwaves through the biotechnology sector, Apellis Pharmaceuticals (Nasdaq: APLS) witnessed an extraordinary 135.7% surge in its share price on March 31, 2026. The massive technical breakout followed the announcement that Biogen (Nasdaq: BIIB) has entered into a definitive agreement to acquire the leader
Via MarketMinute · April 1, 2026

It's reaching into its coffers for a $5.6 billion acquisition.
Via The Motley Fool · March 31, 2026
In a move that signals a decisive shift away from its traditional focus on neuroscience, Biogen (NASDAQ: BIIB) announced today, March 31, 2026, that it has entered into a definitive agreement to acquire Apellis Pharmaceuticals (NASDAQ: APLS) for approximately $5.6 billion in cash. The deal, valued at $41 per
Via MarketMinute · March 31, 2026
Top S&P500 movers in Tuesday's sessionchartmill.com
Via Chartmill · March 31, 2026
