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Biogen Idec (BIIB)

154.05
-5.83 (-3.65%)
NASDAQ · Last Trade: Oct 7th, 1:55 AM EDT
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Detailed Quote

Previous Close159.88
Open159.61
Bid154.00
Ask154.45
Day's Range153.10 - 159.70
52 Week Range110.04 - 194.13
Volume1,817,891
Market Cap22.46B
PE Ratio (TTM)14.73
EPS (TTM)10.5
Dividend & YieldN/A (N/A)
1 Month Average Volume1,863,859

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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

Eisai and Biogen Announce U.S. Availability of LEQEMBI® IQLIK™ (lecanemab-irmb) Subcutaneous Injection Maintenance Dose for Treatment of Early Alzheimer’s Disease
New LEQEMBI Companion™ program launched to expand helpful resources for patients throughout the treatment journey, including Nurse Educators who can provide patients with injection training, and an injection tracking tool and more
By Biogen Inc. · Via GlobeNewswire · October 6, 2025
Which S&P500 stocks are moving on Monday?chartmill.com
Stay updated with the movements of the S&P500 index one hour before the close of the markets on Monday. Discover which stocks are leading as top gainers and losers in today's session.
Via Chartmill · October 6, 2025
Nasdaq 100 Top 25,000 As AMD Spikes, Gold Eyes $4,000: What's Moving Markets Monday?benzinga.com
Tech and AI-related stocks continued to propel Wall Street to new record highs Monday, with Advanced Micro Devices Inc. (NASDAQ:AMD) surging nearly 30% after unveiling a landmark investment in OpenAI.
Via Benzinga · October 6, 2025
Monday's session: top gainers and losers in the S&P500 indexchartmill.com
Let's have a look at what is happening on the US markets in the middle of the day on Monday. Below you can find the top S&P500 gainers and losers in today's session.
Via Chartmill · October 6, 2025
Breakthrough in Alzheimer’s Diagnostics: University of Liverpool Unveils Low-Cost, Handheld AI Blood Test
In a monumental stride towards democratizing global healthcare, researchers at the University of Liverpool have announced the development of a pioneering low-cost, handheld, AI-powered blood test designed for the early detection of Alzheimer's disease biomarkers. This groundbreaking innovation, widely reported between October 1st and 6th, 2025, promises to revolutionize how Alzheimer's is diagnosed, making testing [...]
Via TokenRing AI · October 6, 2025
Which S&P500 stocks are gapping on Monday?chartmill.com
Wondering what's happening in today's session regarding gap up and gap down stocks? Explore the S&P500 index on Monday to uncover the stocks that are gapping in the S&P500 index.
Via Chartmill · October 6, 2025
Decoding Life's Blueprint: New Tech Maps RNA-Protein Interactions, Unlocking Disease Cures
A monumental leap in biomedical research has been announced with the development of a breakthrough technology capable of mapping the entire intricate network of RNA-protein interactions within human cells. This innovation, spearheaded by bioengineers at the University of California San Diego, promises to fundamentally transform our understanding of complex diseases
Via MarketMinute · October 2, 2025
3 Low-Volatility Stocks That Concern Us
Low-volatility stocks may offer stability, but that often comes at the cost of slower growth and the upside potential of more dynamic companies.
Via StockStory · October 2, 2025
A Look Back at Therapeutics Stocks’ Q2 Earnings: Myriad Genetics (NASDAQ:MYGN) Vs The Rest Of The Pack
Looking back on therapeutics stocks’ Q2 earnings, we examine this quarter’s best and worst performers, including Myriad Genetics (NASDAQ:MYGN) and its peers.
Via StockStory · October 1, 2025
Biogen Soars 9.02% on Groundbreaking Alzheimer's Drug Advancements: A New Era for Dementia Treatment Dawns
Boston, MA – October 1, 2025 – Biogen Inc. (NASDAQ: BIIB) saw its stock surge by an impressive 9.02% today, propelled by a wave of promising advancements in its Alzheimer's disease drug testing pipeline. The significant leap signals renewed investor confidence and marks a potentially pivotal moment in the battle against
Via MarketMinute · October 1, 2025
Trump-Pfizer Deal Pushes Health Care Stocks To Best Rally In 5 Yearsbenzinga.com
Health care stocks rallied after Trump struck a drug pricing deal with Pfizer, offering major discounts and pausing pharma tariffs.
Via Benzinga · October 1, 2025
Wednesday's session: top gainers and losers in the S&P500 indexchartmill.com
Wondering what's happening in today's session for the S&P500 index? Stay informed with the top movers within the S&P500 index on Wednesday.
Via Chartmill · October 1, 2025
Health Care Stocks Rally, Nike Beats The Street: What's Moving Markets Wednesday?benzinga.com
Wall Street posts modest gains as shutdown begins and jobs data disappoints, but optimism around earnings and rate cuts keeps markets afloat.
Via Benzinga · October 1, 2025
Which S&P500 stocks are moving on Wednesday?chartmill.com
Let's delve into the developments on the US markets in the middle of the day on Wednesday. Below, you'll find the top gainers and losers within the S&P500 index during today's session.
Via Chartmill · October 1, 2025
Dow Futures Defy Shutdown Fears: A Deep Dive into Market Resilience
As the U.S. government teeters on the brink of another shutdown, a seemingly counter-intuitive phenomenon is gripping financial markets: Dow futures are not only holding steady but are showing signs of growth. On Monday, September 29, 2025, Dow Jones Industrial Average futures edged upwards, mirroring similar gains in S&
Via MarketMinute · September 29, 2025
“LEQEMBI®” (lecanemab) IV Maintenance Dosing for the Treatment of Early Alzheimer’s Disease Approved in China
TOKYO and CAMBRIDGE, Mass., Sept. 28, 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”) announced today that humanized anti-soluble aggregated amyloid-beta (Aβ) monoclonal antibody “LEQEMBI®” (brand name in China: “乐意保®”, generic name: lecanemab) has been approved for once every four weeks intravenous (IV) maintenance dosing by the National Medical Products Administration (NMPA) in China.
By Biogen Inc. · Via GlobeNewswire · September 28, 2025
Incannex Healthcare (NASDAQ: IXHL) Braces for Volatility as Q4 Earnings Loom: Options Traders Eye Strategic Plays
Melbourne, Australia – September 27, 2025 – Incannex Healthcare Limited (NASDAQ: IXHL) is on the cusp of a pivotal week, with its Q4 2025 earnings report scheduled for release on Monday, September 29, 2025, before market open. This highly anticipated announcement is expected to inject significant volatility into the stock, with analysts
Via MarketMinute · September 27, 2025
Trump's 100% Pharmaceutical Tariff: The $270 Billion Manufacturing War That Could Reshape Your Medicine Cabinetbenzinga.com
Trump’s sweeping 100% pharmaceutical tariff starting October 1 triggers massive $270 billion industry investment surge, creating clear stock market winners like Eli Lilly while foreign-de
Via Benzinga · September 26, 2025
Trump Shocks Pharma With 100% Tariff On Imported Drugs Unless Companies Build In Americastocktwits.com
Via Stocktwits · September 25, 2025
Biogen Faces FDA Setback On High-Dose Nusinersen Filing For Spinal Muscular Atrophybenzinga.com
On Tuesday, the U.S.
Via Benzinga · September 25, 2025
This Lululemon Analyst Is No Longer Bullish; Here Are Top 3 Downgrades For Thursdaybenzinga.com
Top Wall Street analysts changed their outlook on these top names. For a complete view of all analyst rating changes, including upgrades, downgrades and initiations, please see our analyst ratings page.
Via Benzinga · September 25, 2025
This Biogen Analyst Begins Coverage On A Bullish Note; Here Are Top 5 Initiations For Thursdaybenzinga.com
Top Wall Street analysts changed their outlook on these top names. For a complete view of all analyst rating changes, including upgrades, downgrades and initiations, please see our analyst ratings page.
Via Benzinga · September 25, 2025
What 6 Analyst Ratings Have To Say About Biogenbenzinga.com
Via Benzinga · September 24, 2025
LEQEMBI® (Lecanemab) Approved for the Treatment of Alzheimer’s Disease in Australia
TOKYO and CAMBRIDGE, Mass., Sept. 24, 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”) announced today that the Therapeutic Goods Administration (TGA) of Australia has approved the humanized anti-soluble aggregated amyloid-beta (Aβ) monoclonal antibody “LEQEMBI®” (brand name, generic name: lecanemab) for mild cognitive impairment (MCI) or mild dementia due to Alzheimer's disease (AD) (collectively referred to as early AD) in adults who are either ApoEε4* non-carriers or heterozygous carriers.
By Biogen Inc. · Via GlobeNewswire · September 24, 2025
Biogen Provides Regulatory Update on High Dose Regimen of Nusinersen
CAMBRIDGE, Mass., Sept. 23, 2025 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) today announced that the U.S. Food and Drug Administration (FDA) issued a Complete Response Letter (CRL) for the Company’s supplemental New Drug Application (sNDA) for the high dose regimen of nusinersen for the treatment of spinal muscular atrophy (SMA). The FDA letter requested an update to the technical information be included in the Chemistry Manufacturing and Controls (CMC) module of the sNDA.
By Biogen Inc. · Via GlobeNewswire · September 23, 2025