BIIB vs TROW Comparison

Biogen is an established biopharmaceutical company focused on treatments for neurological diseases and rare diseases. Its declining multiple sclerosis franchise is its largest revenue generator and contributed 45% of total revenue in 2024. Biogen also generates significant revenue from its CD20 collaboration agreements with Roche (18% of total in 2024), 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).

T. Rowe Price provides asset management services for individual and institutional investors. It offers a broad range of no-load US and international stock, hybrid, bond, and money market funds. At the end of July 2025, the firm had $1.703 trillion in managed assets, composed of equity (50%), balanced (35%), fixed-income and money market (12%), and alternative (3%) offerings. Approximately two thirds of managed assets are held in retirement-based accounts, which provides T. Rowe Price with a somewhat stickier client base than most of its peers. The firm also manages private accounts, provides retirement planning advice, and offers discount brokerage and trust services. The company is primarily a US-based asset manager, deriving less than 10% of its AUM from overseas.