Amphastar Pharmaceuticals Inc vs Summit Therapeutics Inc — how do they compare? Amphastar Pharmaceuticals Inc trades at $19.38 (market cap $826.08M), while Summit Therapeutics Inc trades at $15.35 (market cap $11.84B). The key difference: Summit Therapeutics Inc is far larger — about 14.3× Amphastar Pharmaceuticals Inc's market cap. Which is the better fit depends on your goals.
| AMPH | SMMT | |
|---|---|---|
Market Cap | $826.08M | $11.84B |
Sector | Health | Health |
52-Week High | $30.81 | $29.32 |
52-Week Low | $16.87 | $13.05 |
Enterprise Value | $1.22B | $11.26B |
Signals from Pluang's Aura AI — not financial advice
AMPH trades at $18.72, down 1.58% with bearish technical signals despite oversold RSI readings. The company reported mixed Q1 2026 results with EPS of $0.42 missing estimates of $0.70, continuing a trend of recent earnings disappointments. Valuation metrics appear reasonable with P/E of 11.29 and P/B of 1.07, while profitability remains solid with 47.34% gross margins. Recent news includes a Zacks Strong Sell rating and ongoing securities law investigation.
The stock faces near-term headwinds from earnings misses and negative analyst sentiment, though current valuations provide some downside protection. Upside potential exists if the company can execute its strategic pivot to proprietary drugs and biosimilars while managing BAQSIMI discount pressures. Key risks include ongoing legal scrutiny and competitive pressures in the generic drug market.
Summit Therapeutics (SMMT) trades at $15.25, down 1.49% today, with technical indicators showing bearish momentum despite recent positive clinical trial results for its lead oncology drug ivonescimab. The company reported a net loss of $1.08 billion in 2025, with negative ROE and ROA, while cash flow trends show increasing operational cash burn. Analyst consensus remains bullish with 14 buy ratings and a $15.57 price target, reflecting optimism around the drug's potential despite financial challenges.
SMMT presents a high-risk, high-reward opportunity centered on binary clinical outcomes. Near-term catalysts include FDA review of ivonescimab, but substantial financial losses and dependence on a single asset create significant volatility. The stock's outlook hinges entirely on successful drug commercialization, with current valuations disconnected from fundamentals.
Trailing returns across standard periods
Amphastar is a specialty pharmaceutical company that develops and markets injectable, intranasal, and inhalation products. Its portfolio includes both complex generic drugs and proprietary delivery systems.
Read more on AMPH →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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