BIIB vs LI 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).

Li Auto is a leading Chinese NEV manufacturer that designs, develops, manufactures, and sells premium smart NEVs. The company started volume production of its first model Li One in November 2019. The model is a six-seater, large, premium plug-in electric SUV equipped with a range extension system and advanced smart vehicle solutions. It sold over 500,000 NEVs in 2024, accounting for about 4% of China's passenger new energy vehicle market. Beyond Li One, the company expands its product line, including both BEVs and PHEVs, to target a broader consumer base.