FLEX vs BIIB Comparison

Flex Ltd is a contract manufacturing company providing comprehensive electronics design, manufacturing, and product management services to electronics and technology companies. The company's operating segments include Flex Agility Solutions (FAS) and Flex Reliability Solutions (FRS). Flex Agility Solutions segment includes markets such as Communications, Enterprise and Cloud; Lifestyle; and Consumer Devices. Flex Reliability Solutions segment includes markets such as Automotive, Health Solutions, and Industrial.

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).