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Biogen Idec (BIIB)

137.37
+1.70 (1.25%)
NASDAQ · Last Trade: Sep 27th, 9:24 PM EDT
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Detailed Quote

Previous Close135.67
Open136.79
Bid134.37
Ask138.00
Day's Range135.81 - 138.00
52 Week Range110.04 - 197.70
Volume1,678,938
Market Cap20.03B
PE Ratio (TTM)13.13
EPS (TTM)10.5
Dividend & YieldN/A (N/A)
1 Month Average Volume1,682,235

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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

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
A Look Into Biogen Inc's Price Over Earningsbenzinga.com
Via Benzinga · September 18, 2025
Looking Into Biogen's Recent Short Interestbenzinga.com
Via Benzinga · September 11, 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
Unpacking Q2 Earnings: Vertex Pharmaceuticals (NASDAQ:VRTX) In The Context Of Other Therapeutics Stocks
The end of the earnings season is always a good time to take a step back and see who shined (and who not so much). Let’s take a look at how therapeutics stocks fared in Q2, starting with Vertex Pharmaceuticals (NASDAQ:VRTX).
Via StockStory · September 22, 2025
Biogen's $85 Million Deal Could Change How Patients Get Spinraza Treatmentbenzinga.com
Biogen will integrate Alcyone's team and divest the remaining assets into Neela Therapeutics as part of its $85 million acquisition.
Via Benzinga · September 18, 2025
Biogen to Acquire Alcyone Therapeutics, Expanding Drug Delivery Solution Portfolio for Key Product and Pipeline Candidates
CAMBRIDGE, Mass., Sept. 18, 2025 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) announced the company has entered into a definitive agreement to acquire Massachusetts-based Alcyone Therapeutics. As part of an existing partnership with Alcyone Therapeutics, the companies are advancing ThecaFlex DRx™, an implantable subcutaneous port and catheter device being investigated for the intrathecal delivery of antisense oligonucleotides (ASOs). ThecaFlex DRx™ is designed to provide an alternative to repeat lumbar punctures in chronic intrathecal administration of medicines, which could ease both patient experience and accessibility for a broader population of people living with neurologic disorders.
By Biogen Inc. · Via GlobeNewswire · September 18, 2025
Biogen Receives European Commission Approval for ZURZUVAE® (zuranolone), the First and Only Treatment Approved for Women with Postpartum Depression in Europe
CAMBRIDGE, Mass., Sept. 17, 2025 (GLOBE NEWSWIRE) --  Biogen Inc. (Nasdaq: BIIB) announced that the European Commission (EC) has granted marketing authorization for ZURZUVAE® (zuranolone) to treat post-partum depression (PPD) in adults following childbirth. ZURZUVAE is a once-daily, oral, 14-day treatment which represents a novel therapeutic approach, offering the first and only treatment indicated for PPD in the E.U.
By Biogen Inc. · Via GlobeNewswire · September 17, 2025
Firing on All Cylinders: Biogen (NASDAQ:BIIB) Q2 Earnings Lead the Way
The end of the earnings season is always a good time to take a step back and see who shined (and who not so much). Let’s take a look at how therapeutics stocks fared in Q2, starting with Biogen (NASDAQ:BIIB).
Via StockStory · September 16, 2025
Reflecting On Therapeutics Stocks’ Q2 Earnings: BioMarin Pharmaceutical (NASDAQ:BMRN)
The end of an earnings season can be a great time to discover new stocks and assess how companies are handling the current business environment. Let’s take a look at how BioMarin Pharmaceutical (NASDAQ:BMRN) and the rest of the therapeutics stocks fared in Q2.
Via StockStory · September 15, 2025
1 of Wall Street’s Favorite Stock Worth Your Attention and 2 That Underwhelm
Wall Street is overwhelmingly bullish on the stocks in this article, with price targets suggesting significant upside potential. However, it’s worth remembering that analysts rarely issue sell ratings, partly because their firms often seek other business from the same companies they cover.
Via StockStory · September 8, 2025
Biogen (BIIB) Stock Trades Down, Here Is Why
Shares of biotech company Biogen (NASDAQ:BIIB) fell 3% in the afternoon session after Needham analyst Ami Fadia reiterated a "Hold" rating on the stock. This rating suggests the analyst expects the stock to perform in line with the broader market, lacking a significant catalyst for a major move in either direction. The reiterated neutral stance comes with no change to the price target. The market's negative reaction may indicate that some investors were anticipating a more positive outlook or an upgrade for the biotechnology company.
Via StockStory · September 4, 2025
Beyond The Numbers: 10 Analysts Discuss Biogen Stockbenzinga.com
Via Benzinga · September 4, 2025
Market Monitor News September 3 BMO - Tech Slammed, Yields Spike, Trump Stirring the Pot Againchartmill.com
Wall Street kicked off September on shaky ground as rising bond yields pressured tech stocks and legal turmoil over Trump’s tariffs added fresh uncertainty. Meanwhile, investors brace for Friday’s key jobs report that could steer the Fed's next move.
Via Chartmill · September 3, 2025
Eisai Initiated Rolling Supplemental Biologics License Application to the U.S. FDA for LEQEMBI® IQLIK™ (lecanemab-irmb) as a Subcutaneous Starting Dose for the Treatment of Early Alzheimer’s Disease Under Fast Track Status
LEQEMBI IQLIK, if approved for initiation dosing, would be the first and only anti-amyloid treatment to offer at-home injection from the start to help patients and care partners treat this progressive, relentless disease
By Biogen Inc. · Via GlobeNewswire · September 2, 2025
Biogen (BIIB) Stock Is Up, What You Need To Know
Shares of biotech company Biogen (NASDAQ:BIIB) jumped 4.8% in the afternoon session after the company and its partner Eisai received FDA approval for a weekly subcutaneous injection of their Alzheimer's drug, Leqembi, for maintenance dosing. 
Via StockStory · September 2, 2025
Tuesday's session: top gainers and losers in the S&P500 indexchartmill.com
Stay updated with the movement of S&P500 stocks in today's session. Discover which S&P500 stocks are making waves on Tuesday.
Via Chartmill · September 2, 2025
VIX Jumps 20% As Stocks Slump, Gold Tops Record Highs: What's Moving Markets Tuesday?benzinga.com
Wall Street stumbled on Tuesday, with broad losses by midday in New York as investors turned risk-off amid mounting concerns over lofty valuations, seasonal headwinds and fiscal strains.
Via Benzinga · September 2, 2025