BIIB vs GMAB Comparison

Biogen is an established biopharmaceutical company focused on treatments for neurological diseases and rare diseases. Its declining multiple sclerosis franchise is its largest revenue generator and contributed 45% of total revenue in 2024. Biogen also generates significant revenue from its CD20 collaboration agreements with Roche (18% of total in 2024), 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).

Genmab is a Copenhagen-based biotechnology company specializing in antibody therapeutics for the treatment of cancer. Genmab's proprietary antibody technologies are DuoBody, HexaBody, DuoHexaBody, and HexElect. Johnson & Johnson partnered with Genmab to create Darzalex, which is regarded as the standard of care for multiple myeloma and is Genmab's leading product. Genmab also has Tepezza for thyroid eye disease (partnered with Horizon), Kesimpta for relapsing multiple sclerosis (partnered with Novartis), Rybrevant (partnered with Johnson & Johnson) for non-small cell lung cancer (NSCLC), Tivdak (partnered with Seagen) for cervical cancer, and Epkinly (partnered with AbbVie) for diffuse large B-cell lymphoma. Genmab has several pipeline candidates targeting other oncologic indications.