KB vs BIIB Comparison

KB Financial Group Inc. is a financial holding company in Korea. The company operations include Kookmin Bank, one of the commercial banks in Korea. The company's subsidiaries collectively engage in a broad range of businesses, including commercial banking, credit cards, asset management, non-life and life insurance, capital markets activities, and international banking and finance. The company's segments include the Banking business, Securities business, Non-life Insurance business, Credit card business, and Life Insurance business. The Group generates the majority of its revenue from the Banking business.

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).