ONC vs BIIB Comparison

BeOne Medicines Ltd is a holding company. Through its subsidiaries, it operates as an oncology-focused biopharmaceutical company engaged in the discovery and development of treatments for cancer. Its portfolio includes BRUKINSA (a Bruton's tyrosine kinase (BTK) inhibitor), sonrotoclax (a B-cell lymphoma 2 (BCL2) inhibitor, and a BTK chimeric degradation activation compound (BTK-CDAC). The company develops and commercializes wholly owned therapeutic assets targeting multiple mechanisms of action in oncology. The company operates in one segment: pharmaceutical products. It generates the majority of its revenue from the sale of its biopharmaceutical products.

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).