
Biogen Inc
Biotechnology
Biogen Inc (BIIB) Stock News
The latest BIIB headlines and market coverage — 6 recent stories, updated throughout the day.
- The Motley Fool·
Biogen Is Paying $1 Billion for a Company That Won't Say What It Makes. Here's Why That's Actually Good News for BIIB Investors.
Biogen announced a $1 billion acquisition of RayThera, a company with anti-inflammatory assets targeting immune-mediated conditions. This strategic move strengthens Biogen's immunology portfolio following its earlier acquisition of Apellis Pharmaceuticals. The company is successfully transitioning from its declining MS drug business to growth areas like Alzheimer's and rare diseases, with early signs of business stabilization and revenue growth.
- GlobeNewswire Inc.·
Block & Leviton LLP Announces Proposed Class Action Settlement on Behalf of Purchasers of Common Stock of Biogen, Inc. – BIIB
A federal court has approved an $18.9 million settlement for investors who purchased Biogen Inc. common stock between June 8, 2021 and July 12, 2021. A settlement hearing is scheduled for September 29, 2026, to determine if the settlement is fair and reasonable. Class members must submit a Proof of Claim by September 24, 2026 to receive compensation.
- GlobeNewswire Inc.·
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Biogen Inc. - BIIB
Pomerantz LLP is investigating Biogen Inc. for potential securities fraud following the company's announcement of Phase 2 CELIA study results for diranersen (BIIB080), an Alzheimer's disease treatment. Although Biogen described the results as 'compelling,' the study missed its primary dose-response endpoint, causing the stock to fall $13.16 per share (6.43%) to $191.37 on May 14, 2026.
- GlobeNewswire Inc.·
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Biogen Inc. - BIIB
Pomerantz LLP is investigating Biogen Inc. for potential securities fraud following the company's announcement of Phase 2 CELIA study results for diranersen (BIIB080), an Alzheimer's disease treatment. Although Biogen described the results as 'compelling,' the study missed its primary dose-response endpoint, causing the stock to fall $13.16 per share (6.43%) to $191.37 on May 14, 2026.
- GlobeNewswire Inc.·
Biogen and Denali Therapeutics Provide Update on Phase 2b LUMA Study of BIIB122 (DNL151) in Early-Stage Parkinson’s Disease
Biogen and Denali Therapeutics announced that BIIB122 (DNL151), a LRRK2 inhibitor, failed to meet primary and secondary endpoints in the Phase 2b LUMA study for early-stage Parkinson's disease. The companies will discontinue development in idiopathic Parkinson's disease, though Denali will continue the Phase 2a BEACON study in LRRK2 variant carriers. The drug demonstrated acceptable safety and >90% kinase inhibition but did not slow disease progression.
- GlobeNewswire Inc.·
Biogen and Denali Therapeutics Provide Update on Phase 2b LUMA Study of BIIB122 (DNL151) in Early-Stage Parkinson’s Disease
Biogen and Denali Therapeutics announced that BIIB122 (DNL151), an investigational LRRK2 inhibitor, failed to meet primary and secondary endpoints in the Phase 2b LUMA study for early-stage Parkinson's disease. The drug did not slow disease progression compared to placebo. Both companies will discontinue development of BIIB122 in idiopathic Parkinson's disease, though Denali will continue the Phase 2a BEACON study in LRRK2 variant carriers with data expected in H1 2027.