17.55
price up icon3.24%   0.55
after-market After Hours: 17.70 0.15 +0.85%
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Summit Therapeutics Inc stock is traded at $17.55, with a volume of 4.27M. It is up +3.24% in the last 24 hours and up +16.11% over the past month. Summit Therapeutics Inc is a biopharmaceutical company that focuses on the discovery, development, and commercialization of novel antibiotics for serious infectious diseases. Its CDI (Clostridiodes difficile infection) product candidate is ridinilazole, an orally administered small molecule antibiotic. It has two geographical segments: the United States and the United Kingdom.
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Previous Close:
$17.00
Open:
$17.2
24h Volume:
4.27M
Relative Volume:
0.81
Market Cap:
$14.00B
Revenue:
$220.00K
Net Income/Loss:
$-1.21B
P/E Ratio:
-10.94
EPS:
-1.6039
Net Cash Flow:
$-387.48M
1W Performance:
-0.31%
1M Performance:
+16.11%
6M Performance:
+9.14%
1Y Performance:
-5.65%
1-Day Range:
Value
$17.14
$17.70
1-Week Range:
Value
$16.80
$18.32
52-Week Range:
Value
$12.07
$29.23

Summit Therapeutics Inc Stock (SMMT) Company Profile

Name
Name
Summit Therapeutics Inc
Name
Phone
305-203-2034
Name
Address
601 BRICKELL KEY DRIVE, MIAMI
Name
Employee
265
Name
Twitter
@summitplc
Name
Next Earnings Date
2026-10-19
Name
Latest SEC Filings
Name
SMMT's Discussions on Twitter

Compare SMMT vs VRTX, REGN, ARGX, MRNA, RVMD

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
SMMT icon
SMMT
Summit Therapeutics Inc
17.55 14.00B 220.00K -1.21B -387.48M -1.6039
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
515.44 130.64B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
781.49 80.46B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
984.39 61.58B 4.16B 1.29B 734.26M 19.58
MRNA icon
MRNA
Moderna Inc
143.97 57.48B 2.23B -3.19B -1.60B -8.1462
RVMD icon
RVMD
Revolution Medicines Inc
203.77 43.68B 742.00K -1.37B -1.07B -7.0731

Summit Therapeutics Inc Stock (SMMT) Upgrades & Downgrades

Date Action Analyst Rating Change
Apr-08-26 Initiated Stifel Buy
Mar-16-26 Downgrade Jefferies Buy → Hold
Dec-17-25 Upgrade Barclays Underweight → Equal Weight
Nov-18-25 Initiated Wolfe Research Peer Perform
Sep-17-25 Initiated Barclays Underweight
Sep-04-25 Initiated Guggenheim Buy
Aug-19-25 Initiated Piper Sandler Neutral
Jul-01-25 Initiated UBS Buy
Jun-11-25 Initiated Leerink Partners Underperform
Mar-26-25 Upgrade Citigroup Neutral → Buy
Mar-21-25 Initiated Cantor Fitzgerald Overweight
Mar-12-25 Initiated Evercore ISI Outperform
Feb-28-25 Initiated Goldman Buy
Jan-08-25 Initiated Truist Buy
Dec-11-24 Initiated Wells Fargo Overweight
Dec-06-24 Initiated Jefferies Buy
Nov-04-24 Initiated JMP Securities Mkt Outperform
Sep-27-24 Downgrade Citigroup Buy → Neutral
Aug-12-24 Initiated H.C. Wainwright Buy
May-07-24 Initiated Citigroup Buy
Mar-26-24 Initiated Stifel Buy
Jun-28-18 Downgrade Janney Buy → Neutral
May-02-18 Initiated Janney Buy
Apr-12-18 Reiterated Needham Buy
Feb-13-18 Initiated BTIG Research Buy
Jan-04-18 Initiated SunTrust Buy
Dec-01-17 Resumed H.C. Wainwright Buy
Nov-16-16 Reiterated RBC Capital Mkts Outperform
Oct-05-16 Reiterated Needham Buy
Sep-16-16 Initiated H.C. Wainwright Buy
Mar-30-15 Initiated Needham Buy
Mar-30-15 Initiated Oppenheimer Outperform
View All

Summit Therapeutics Inc Stock (SMMT) Latest News

pulisher
Sep 12, 2026

Why Is SMMT Stock Tumbling Today? - Stocktwits

Sep 12, 2026
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Sep 10, 2026

Jefferies upgrades Summit Therapeutics stock rating on trial outlook By Investing.com - Investing.com South Africa

Sep 10, 2026
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Sep 09, 2026

Summit Therapeutics Shares Rise After Upgrade From Jefferies - marketscreener.com

Sep 09, 2026
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Sep 09, 2026

symbol__ Stock Quote Price and Forecast - CNN

Sep 09, 2026
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Sep 09, 2026

Summit Therapeutics shares gain after Jefferies upgrades stock to Buy - Yahoo Finance

Sep 09, 2026
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Sep 09, 2026

Summit Therapeutics stock surges on Jefferies upgrade to buy By Investing.com - Investing.com Canada

Sep 09, 2026
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Sep 07, 2026

Summit Therapeutics Inc. (SMMT) Investor Outlook: Exploring A Potential 61.45% Upside - DirectorsTalk Interviews

Sep 07, 2026
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Sep 07, 2026

Summit Therapeutics (SMMT) Soars 28% on Ivonescimab Progress - Yahoo Finance

Sep 07, 2026
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Sep 05, 2026

Why Is SMMT Stock Surging Over 10% In Overnight Trading? - Stocktwits

Sep 05, 2026
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Sep 04, 2026

Ivonescimab Demonstrates an Overall Survival Benefit in Advanced NSCLCSummit Therapeutics - Oncodaily

Sep 04, 2026
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Sep 04, 2026

Why Summit Therapeutics (SMMT) Is Up 19.5% After New Ivonescimab Phase III Survival DataAnd What's Next - simplywall.st

Sep 04, 2026
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Sep 03, 2026

Summit Therapeutics: The High Stakes Of Translating China Clinical Data To The U.S. (SMMT) - Seeking Alpha

Sep 03, 2026
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Sep 03, 2026

Why is Summit Therapeutics stock surging today? By Investing.com - Investing.com South Africa

Sep 03, 2026
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Sep 03, 2026

Summit's Ivonescimab Beats Merck's Keytruda on Survival in Chinese Lung Cancer Trial - finance.biggo.com

Sep 03, 2026
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Sep 03, 2026

Summit Therapeutics Says It Is Beating Merck With Its Cancer Drug - Barron's

Sep 03, 2026
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Sep 03, 2026

Why Is Summit Therapeutics Stock Soaring Today?Summit Therapeutics (NASDAQ:SMMT) - benzinga.com

Sep 03, 2026
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Sep 03, 2026

Summit Therapeutics, HUTCHMED, Tesla And Other Big Stocks Moving Higher On Thursday - Benzinga

Sep 03, 2026
pulisher
Sep 03, 2026

Why is Summit Therapeutics stock surging today? - Investing.com

Sep 03, 2026
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Sep 03, 2026

Summit Therapeutics stock rises on positive survival data By Investing.com - Investing.com Nigeria

Sep 03, 2026
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Sep 03, 2026

Ivonescimab shows statistically significant OS vs pembrolizumab in HARMONi-2, Summit Therapeutics notes - TradingView

Sep 03, 2026
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Sep 03, 2026

Summit Therapeutics stock rises on positive survival data - Investing.com

Sep 03, 2026
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Sep 03, 2026

November 14 Is The Make-Or-Break Moment For Summit Therapeutics' Cancer Bet - Seeking Alpha

Sep 03, 2026
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Sep 02, 2026

Summit Therapeutics (SMMT) Gains on Positive Phase III Trial Res - GuruFocus

Sep 02, 2026
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Sep 02, 2026

Ivonescimab Monotherapy Demonstrates Statistically Significant Overall Survival Benefit Compared to Pembrolizumab Monotherapy in PD-L1-Positive Advanced NSCLC in HARMONi-2 Study Conducted by Akeso in China - Yahoo Finance

Sep 02, 2026
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Sep 01, 2026

Cantor Fitzgerald reiterates Summit Therapeutics stock rating - Investing.com

Sep 01, 2026
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Aug 31, 2026

Weekly Recap: HARMONi Phase III PFS improvement and Bernstein upgrade - TradingView

Aug 31, 2026
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Aug 31, 2026

Summit Therapeutics Inc. (SMMT) Stock Analysis: Assessing a Potential 107.71% Upside in Biotech - DirectorsTalk Interviews

Aug 31, 2026
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Aug 27, 2026

Summit Therapeutics (SMMT) Stock Climbed, So What Is Behind The Move? - Yahoo Finance

Aug 27, 2026
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Aug 26, 2026

Summit Therapeutics (SMMT) Is Up 8.5% After New Phase III Biliary Cancer Data For Ivonescimab - Yahoo Finance

Aug 26, 2026
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Aug 26, 2026

Abercrombie & Fitch Posts Upbeat Q2 Results, Joins Semtech, Summit Therapeutics And Other Big Stocks Movi - Benzinga

Aug 26, 2026
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Aug 26, 2026

Summit Therapeutics stock jumps on partner’s cancer trial data - Investing.com

Aug 26, 2026
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Aug 26, 2026

Summit Therapeutics Partner Highlights Positive Interim Data Milestone for Lead Cancer Therapy - Sahm

Aug 26, 2026
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Aug 25, 2026

Ivonescimab Plus Chemotherapy Global Phase III HARMONi Primary Analysis Results Published in The Lancet Oncology - Business Wire

Aug 25, 2026
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Aug 24, 2026

Summit Therapeutics Inc. (SMMT): Growth Potential and Analyst Consensus with 117.45% Upside - DirectorsTalk Interviews

Aug 24, 2026
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Aug 21, 2026

Summit Therapeutics (NASDAQ:SMMT) Trading Up 7.2%Still a Buy? - MarketBeat

Aug 21, 2026
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Aug 18, 2026

Summit Therapeutics (NASDAQ:SMMT) Given "Neutral" Rating at HC Wainwright - MarketBeat

Aug 18, 2026
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Aug 17, 2026

SMMT News | SUMMIT THERAPEUTICS INC (NASDAQ:SMMT) - ChartMill

Aug 17, 2026
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Aug 17, 2026

Summit Therapeutics (NASDAQ:SMMT) Hits New 1-Year LowHere's Why - MarketBeat

Aug 17, 2026
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Aug 17, 2026

Summit Therapeutics (SMMT) Shares Drop 8.5% Amid Valuation Conce - GuruFocus

Aug 17, 2026
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Aug 17, 2026

Summit Therapeutics Inc. (SMMT) Stock Analysis: A 114% Potential Upside Amid Biotech Innovations - DirectorsTalk Interviews

Aug 17, 2026
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Aug 16, 2026

Summit Therapeutics (NASDAQ:SMMT): What Could Drive Its Next Move? - Kalkine Media

Aug 16, 2026
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Aug 14, 2026

Summit Therapeutics (NASDAQ:SMMT) Shares Down 4.7%Here's Why - MarketBeat

Aug 14, 2026
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Aug 14, 2026

Dimensional Fund Advisors LP Sells 288,067 Shares of Summit Therapeutics PLC $SMMT - MarketBeat

Aug 14, 2026
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Aug 13, 2026

Could Arcus Biosciences (RCUS) and Summit Therapeutics (SMMT)’s Cancer Drug Partnership Create a New Treatment Standard? - Yahoo Finance

Aug 13, 2026
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Aug 13, 2026

SMMT - Finviz

Aug 13, 2026
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Aug 12, 2026

Summit Therapeutics Inc. (SMMT) stock price, news, quote and history - Yahoo Finance Singapore

Aug 12, 2026
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Aug 12, 2026

Summit Therapeutics Inc. Stock 12‑Month Price Target Cut to $28.34, Implies 88% Upside - TradingView

Aug 12, 2026
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Aug 12, 2026

Summit Therapeutics (SMMT) Stock Gains on China Label Expansion for Ivonescimab - GuruFocus

Aug 12, 2026
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Aug 12, 2026

Summit lead drug granted China label expansion (SMMT:NASDAQ) - Seeking Alpha

Aug 12, 2026
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Aug 12, 2026

Can Summit Therapeutics (NASDAQ:SMMT) Extend Its Momentum? - Kalkine Media

Aug 12, 2026
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Aug 12, 2026

Summit Therapeutics Says Its Partner Akeso Gets China Approval for Ivonescimab in Squamous NSCLC - marketscreener.com

Aug 12, 2026

Summit Therapeutics Inc Stock (SMMT) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$58.61
price down icon 0.24%
$129.41
price up icon 1.67%
$40.82
price down icon 0.29%
$248.68
price up icon 0.47%
ONC ONC
$346.51
price up icon 1.38%
$203.77
price up icon 0.21%
Cap:     |  Volume (24h):