Summit Therapeutics Inc.
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About the company
Summit Therapeutics Inc. is a biopharmaceutical firm dedicated to discovering, developing, and commercializing therapeutic solutions, primarily targeting infectious diseases across the United States and Latin America. The company's clinical development pipeline is heavily concentrated on therapies for Clostridioides difficile infection (CDI).
- CEO
- Robert W. Duggan
- IPO
- 2015
- Employees
- 159
- HQ
- Cambridge, MA, US
Price Chart
- Market Cap
- $11.06B
- P/E
- -10.18
- P/S
- 0.00
- P/B
- 26.69
- EV/EBITDA
- -10.43
- Div Yield
- 0.00%
- Gross Margin
- 0.00%
- Op Margin
- 0.00%
- Net Margin
- 0.00%
- ROE
- -340.55%
- ROIC
- -248.14%
- Revenue
- $0 · 0.00%
- Net Income
- $-1,079,586,000 · -510.72%
- EPS
- $-1.44 · -476.00%
- Op Income
- $-1,094,374,000
- FCF YoY
- -111.28%
- 52W High
- $30.98
- 52W Low
- $12.55
- 50D MA
- $17.99
- 200D MA
- $17.91
- Beta
- -1.31
- Avg Volume
- 5.11M
AI snapshot
Six angles, distilled from the data.
The stock is still in a corrective regime, trading below both the 50-day and 200-day moving averages. It remains well under the 52-week high of $30.98, but above the 52-week low of $12.55, so the setup is a rebound attempt inside a larger downtrend.
Street sentiment stays constructive but cautious: consensus is Buy with a $19.50 median target, above the current share price. The recent pattern is mixed, with several reiterations alongside fresh downgrades to Neutral and Hold, suggesting conviction is present but not uniform.
Earnings remain loss-making, and the recent pattern has been weak with 6 misses in the last 8 quarters. Next-year EPS is still expected to improve to -0.8811 from a TTM -1.59, so shareholders should watch whether losses narrow faster than expected and whether the company can keep execution on track.
Insider activity is clearly supportive. Recent discretionary purchases came from the co-CEOs and the COO/CFO, including two large $49.99 million buys on June 12, while the January items were awards rather than open-market signals. No insider sales were reported.
The balance sheet is strong, with $529.5 million in cash and equivalents against just $15.5 million of total debt, leaving net cash of $514.0 million. Profitability is still deep in the red, with ROE at -270.95% and operating cash flow negative by $239.7 million for fiscal 2025.
SMMT sits in the high-risk, high-data-readout biotech bucket where clinical progress matters more than current earnings power. Versus the sector, it screens expensive on a negative-EPS basis, but the cash position gives it more runway than many development peers.
Recent insider transactions
Who's buying, who's selling, and how much.
| Date | Insider | Type | Shares |
|---|---|---|---|
| Jun 12, 26 | Zanganeh Mahkam | buy | 3,810,000 |
| Jun 12, 26 | DUGGAN ROBERT W | buy | 3,810,000 |
| Jun 4, 26 | DUGGAN ROBERT W | buy | 100,000 |
| Jun 4, 26 | Zanganeh Mahkam | buy | 100,000 |
| Jun 4, 26 | Soni Manmeet Singh | buy | 25,000 |
| Jun 4, 26 | Soni Manmeet Singh | buy | 25,000 |
| Jan 8, 26 | Anand Bhaskar | other | 30,000 |
| Jan 2, 26 | Zanganeh Mahkam | other | 11,232 |
| Jan 2, 26 | DUGGAN ROBERT W | other | 11,232 |
| Jan 2, 26 | Booth Robert F. | other | 35,000 |
Our SMMT coverage
Recent articles, reports, and earnings notes.

Summit Therapeutics (SMMT): Ivonescimab’s High-Stakes FDA Catalyst
Summit Therapeutics is a high-upside, high-volatility oncology story centered on ivonescimab and a November 2026 FDA decision. The clinical data are compelling, but the stock already prices in a lot of success.

Summit’s giant insider buy says the stock offering didn’t break the ivonescimab story
Summit’s financing headline looks ugly, but the insider tape says management is still leaning into ivonescimab rather than backing away from it. When co-CEOs and the CFO buy more than $100 million of stock right into a raise, dilution stops looking like the whole story.

Summit Therapeutics is getting punished like a broken biotech when the real issue is financing
Summit Therapeutics is trading like ivonescimab broke, but the key catalyst is still on the calendar. The market is hammering SMMT for financing and credibility risk, and that distinction matters because those are fixable problems while the November 2026 FDA decision remains alive.
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AI analysis · Last refreshed June 23, 2026 · Live quote · Not investment advice