Biogen Inc vs Summit Therapeutics Inc — how do they compare? Biogen Inc trades at $197.24 (market cap $28.34B), while Summit Therapeutics Inc trades at $15.01 (market cap $12.01B). The key difference: Biogen Inc is far larger — about 2.4× Summit Therapeutics Inc's market cap, and Biogen Inc is trading nearer its 52-week high, Summit Therapeutics Inc nearer its low. Which is the better fit depends on your goals.
| BIIB | SMMT | |
|---|---|---|
Market Cap | $28.34B | $12.01B |
Sector | Health | Health |
52-Week High | $216.63 | $29.32 |
52-Week Low | $122.68 | $13.05 |
Enterprise Value | $30.62B | $11.43B |
Signals from Pluang's Aura AI — not financial advice
Biogen (BIIB) trades at $209.03, up 4.96% today, with a bullish technical signal and strong analyst support. Recent quarterly earnings have consistently beaten expectations, and the company maintains solid profitability with a 75.49% gross margin. Key developments include FDA approval for a subcutaneous starter dose of Leqembi and promising Phase 2 data for its Alzheimer's drug diranersen, driving positive sentiment.
The outlook is positive, with a consensus price target of $230.18 suggesting upside. Investment opportunities lie in Alzheimer's pipeline advancements, but risks include clinical trial outcomes and competitive pressures. Revenue stability and cost management support fundamentals, though regulatory hurdles remain a watchpoint.
Summit Therapeutics (SMMT) trades at $15.30, showing modest daily gains of 0.33%. The stock faces bearish technical signals with negative cash flows and substantial losses (-$1.08B net income in 2025). Recent developments include the sale of Phase III asset ridinilazole and positive clinical trial results for ivonescimab. Analyst sentiment remains optimistic with 67% buy ratings and a $15.57 consensus target, though financial metrics show concerning profitability with -270.95% ROE.
SMMT presents a high-risk, catalyst-driven opportunity with binary outcomes dependent on clinical success. The company's heavy reliance on ivonescimab development creates significant upside potential but also substantial execution risk. Negative cash flow trends and persistent losses require careful monitoring of upcoming Q2 2026 earnings and clinical milestones for directional clarity.
Trailing returns across standard periods
Latest headlines on both assets
Biogen and Idec merged in 2003, combining forces to market Biogen's multiple sclerosis drug Avonex and Idec's cancer drug Rituxan. Today, Rituxan and next-generation antibody Gazyva are marketed via a collaboration with Roche. Biogen also markets novel MS drugs Plegridy, Tysabri, Tecfidera, and Vumerity. In Japan, Biogen's MS portfolio is co-promoted by Eisai. Hemophilia therapies Eloctate and Alprolix (partnered with SOBI) were spun off as part of Bioverativ in 2017. Biogen has several drug candidates in phase 3 trials in neurology and neurodegenerative diseases and has launched Spinraza with partner Ionis. Aduhelm was approved as the firm's first Alzheimer's disease therapy in June 2021.
Read more on BIIB →Summit Therapeutics Inc. is a biopharmaceutical company focused on the development and commercialization of new medicines for the treatment of infectious diseases and other unmet medical needs. The company's lead product candidate is an antibiotic for the treatment of Clostridioides difficile infection (CDI), a serious infection of the colon. Summit Therapeutics is committed to bringing innovative therapies to market to address global health challenges and improve patient outcomes.
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