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
- 265
- HQ
- Cambridge, MA, US
Price Chart
- Market Cap
- $11.93B
- P/E
- -10.98
- P/S
- 0.00
- P/B
- 28.79
- EV/EBITDA
- -11.25
- 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
- $16.08
- 200D MA
- $17.62
- Beta
- -1.26
- Avg Volume
- 5.52M
AI snapshot
Six angles, distilled from the data.
The stock remains in a damaged intermediate downtrend, trading below both the 50-day and 200-day moving averages. It has also retraced sharply from the 52-week high of $30.98 and is still well above the 52-week low of $12.55, leaving the setup in a recovery attempt rather than a confirmed reversal.
Street sentiment is constructive but mixed: the consensus is Buy with a 4.7 average rating and a $28.58 target, far above the current tape. Recent action shows several reiterations alongside fresh downgrades and target cuts, so the message is support for the story but less enthusiasm on near-term execution.
The next print comes after a rough run of misses, with only 2 beats in the last 7 quarters. Losses remain expected, with the next-quarter EPS estimate at -0.26 and full-year next-year EPS still negative at -0.8811, so shareholders should watch for any sign of narrowing losses and clinical momentum.
Insiders have been net buyers, led by two large open-market purchases from the co-CEOs and additional buys from the COO/CFO. The pattern is supportive because the activity is discretionary, while the January awards are compensation-related noise rather than a trading signal.
Profitability remains deeply negative, with ROE at -2.7095 and EPS TTM at -1.59. The balance sheet is the offset: cash and equivalents of $529.5 million versus total debt of $15.5 million leaves a strong net cash position of $514.0 million, giving the company runway despite a -$239.2 million free cash flow burn.
SMMT sits in the crowded biotech group where clinical execution matters more than current earnings power. The valuation still implies a premium story versus the sector, with a market cap near $12.4 billion and a consensus target of $19.50 above the current share price.
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 Drives High-Reward Buy
Summit Therapeutics is a high-risk, high-upside oncology story built around ivonescimab, with positive Phase III data and an FDA review underway. The stock looks attractive for investors willing to accept binary regulatory risk in exchange for platform-scale potential.

Summit Therapeutics is acting like dilution no longer matters
Summit Therapeutics is trading like the financing scare already came and went. The rebound says the market cares more about ivonescimab's November 14, 2026 FDA clock and funded Phase III runway than a headline offering that never even closed.

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.
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AI analysis · Last refreshed July 7, 2026 · Live quote · Not investment advice