BIIB vs ROIV Comparison

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).

Roivant Sciences Ltd is a commercial-stage biopharmaceutical company dedicated to improving the delivery of healthcare to patients. It also incubates discovery-stage companies and health technology startups complementary to its biopharmaceutical business. Its drug candidate VTAMA (tapinarof) is a treatment of plaque psoriasis in adult patients and is in its commercial stage. The other drug candidates in their different stages of development are; Batoclimab, IMVT-1402, Brepocitinib, Namilumab, and others.