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Biogen is an established biopharmaceutical company focused on treatments for neurodegenerative and rare diseases. Its declining multiple sclerosis franchise is its largest revenue generator and contributed 40% of total revenue in 2025. Biogen also generates significant revenue from its CD20 collaboration agreements with Roche (19% of total in 2025), which includes oncology drugs Rituxan and Gazyva and multiple sclerosis drug Ocrevus. Biogen's newer franchises include Spinraza (spinal muscular atrophy, with partner Ionis), Leqembi (Alzheimer's disease, collabroation revenue from its partner Eisai), Skyclarys (Friedreich's ataxia, Reata), Zurzuvae (postpartum depression, Sage), and Qalsody (amyotrophic lateral sclerosis, Ionis).

Biogen Inc. is a biotech company that develops, manufactures, and sells therapies for treating neurological and neurodegenerative diseases. The company is the market leader in MS drugs and launched the first approved treatments for SMA and AD. The company also sells products that treat plaque psoriasis, non-Hodgkin's lymphoma, lymphocytic leukemia, and rheumatoid arthritis. Current research continues on MS and has expanded to include neuroimmunology, ophthalmology, lupus, and other neuromuscular and movement disorders. Founded in 1978, the company is located in Cambridge, Massachusetts; employs 7,500 people; and is a component of the S&P 500.

Biogen is a biotech company that develops, manufactures, and sells therapies for treating neurological and neurodegenerative diseases. The company is the market leader in MS drugs and launched the first approved treatments for spinal muscular atrophy and AD. The company also sells products that treat plaque psoriasis, non-Hodgkin's lymphoma, lymphocytic leukemia, and rheumatoid arthritis. Current research continues on MS and has expanded to include neuroimmunology, ophthalmology, lupus, and other neuromuscular and movement disorders. Founded in 1978, the company is located in Cambridge, Massachusetts; employs 7,500 people; and is a component of the S&P 500.

The major stock indices are lower at midday. Wall Street continues to monitor the price of oil as tensions escalate in the Middle East; the possibility of an interest-rate increase from the Fed; and the ongoing trade dispute with Canada. Crude oil is up another 4% at $97 per barrel and the yield on the 10-year note is at 4.85%.