Biogen Inc vs Summit Therapeutics Inc — how do they compare? Biogen Inc trades at $204.1 (market cap $30.13B), while Summit Therapeutics Inc trades at $15.1 (market cap $12.06B). The key difference: Biogen Inc is far larger — about 2.5× 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 | $30.13B | $12.06B |
Sector | Health | Health |
52-Week High | $216.63 | $26.98 |
52-Week Low | $128.93 | $12.55 |
Enterprise Value | $37.20B | $11.39B |
Signals from Pluang's Aura AI — not financial advice
Biogen (BIIB) trades at $208.85, up 0.83% with bullish technical signals and strong institutional support. The company has delivered three consecutive earnings beats, with Q2 2026 EPS of $3.60 exceeding estimates by 22%. Recent acquisition of RayThera and raised 2026 guidance demonstrate strategic growth initiatives. Valuation metrics show a P/E of 36.21 and P/S of 3.01, while maintaining solid profitability with 73.99% gross margins.
Biogen presents a compelling investment case with strong earnings momentum and strategic acquisitions driving growth. However, investors face risks from declining legacy MS drug sales and net income margin compression from 16.86% in 2024 to 8.32% projected for 2026. The stock offers 12% upside to consensus price target of $234.47, supported by 62.5% analyst buy ratings.
Summit Therapeutics (SMMT) trades at $15.10, up 1.55% with a bullish technical signal and strong analyst support. The company shows negative profitability metrics with ROE at -192.5% and net income of -$1.08B for 2025, but maintains positive cash flow through financing activities. Recent developments include FDA review of ivonescimab with a November 2026 decision date and expansion into bladder cancer trials, driving investor optimism despite ongoing losses.
The investment case hinges on ivonescimab's regulatory approval potential, with a consensus price target of $27.90 representing 85% upside. Key risks include cash burn concerns, fiduciary duty investigations, and clinical trial outcomes. While fundamentals remain weak, the stock offers high-risk, high-reward potential for speculative biotech investors betting on successful drug commercialization.
Trailing returns across standard periods
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.
Read more on SMMT →