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Summit Therapeutics Inc stock is traded at $14.07, with a volume of 5.96M. It is up +1.37% in the last 24 hours and down -16.60% 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:
$13.88
Open:
$13.99
24h Volume:
5.96M
Relative Volume:
1.29
Market Cap:
$10.92B
Revenue:
$220.00K
Net Income/Loss:
$-1.21B
P/E Ratio:
-8.7724
EPS:
-1.6039
Net Cash Flow:
$-387.48M
1W Performance:
+7.82%
1M Performance:
-16.60%
6M Performance:
-17.28%
1Y Performance:
-29.12%
1-Day Range:
Value
$13.83
$14.50
1-Week Range:
Value
$12.92
$14.58
52-Week Range:
Value
$12.55
$30.98

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
2026-05-07
Name
Latest SEC Filings
Name
SMMT's Discussions on Twitter

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

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
SMMT icon
SMMT
Summit Therapeutics Inc
14.07 10.97B 220.00K -1.21B -387.48M -1.6039
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
458.99 114.33B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
607.93 64.47B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
892.26 54.99B 4.16B 1.29B 734.26M 19.58
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
282.72 38.42B 4.29B 577.22M 641.34M 4.2086
RVMD icon
RVMD
Revolution Medicines Inc
157.77 34.03B 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
Jun 15, 2026

Why is SMMT stock tumbling today? - MSN

Jun 15, 2026
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Jun 15, 2026

Summit Therapeutics: Getting A Foot In The Door Isn't Getting Through It (NASDAQ:SMMT) - Seeking Alpha

Jun 15, 2026
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Jun 15, 2026

Summit Therapeutics Inc. (SMMT) Investor Outlook: Evaluating A Potential 103.85% Upside - DirectorsTalk Interviews

Jun 15, 2026
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Jun 14, 2026

SMMT Jumps As Summit Therapeutics Rides Ivonescimab Momentum - timothysykes.com

Jun 14, 2026
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Jun 14, 2026

Summit rebounds after nearly $50M insider purchase - MSN

Jun 14, 2026
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Jun 13, 2026

Summit Therapeutics (SMMT) Raises $500 Million Through Public Offering - Insider Monkey

Jun 13, 2026
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Jun 13, 2026

Insider Buying: Summit Therapeutics Co-CEO, President & Director Bought US$1.5m Of Shares - simplywall.st

Jun 13, 2026
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Jun 13, 2026

Summit Therapeutics files for $500M common stock offering; shares slide over 9% - MSN

Jun 13, 2026
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Jun 12, 2026

Summit Therapeutics (SMMT) Shares Rebound After Co-CEO's $50M St - GuruFocus

Jun 12, 2026
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Jun 12, 2026

5 Best Buy-the-Dip Stocks to Invest In Now - Insider Monkey

Jun 12, 2026
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Jun 12, 2026

SMMT Jumps As Ivonescimab Trial Success Fuels Financing Drive - StocksToTrade

Jun 12, 2026
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Jun 12, 2026

Summit Therapeutics (NASDAQ: SMMT) investors approve directors and 8M-share incentive plan boost - Stock Titan

Jun 12, 2026
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Jun 12, 2026

Summit Therapeutics co-CEO Zanganeh acquires $49.98m in shares By Investing.com - Investing.com Australia

Jun 12, 2026
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Jun 12, 2026

Summit Therapeutics(SMMT.US) 10% Shareholder Buys US$49.99 Million in Common Stock - Moomoo

Jun 12, 2026
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Jun 12, 2026

Insider Stock Purchases: June 12, 2026 - Quiver Quantitative

Jun 12, 2026
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Jun 12, 2026

Summit Therapeutics co-CEO Zanganeh acquires $49.98m in shares - Investing.com

Jun 12, 2026
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Jun 12, 2026

Co-CEO Mahkam Zanganeh (SMMT) reports spouse’s 3.81M-share open-market buy - Stock Titan

Jun 12, 2026
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Jun 12, 2026

Summit Therapeutics (SMMT) Shares Rebound After Co-CEO's $50M Stock Purchase - GuruFocus

Jun 12, 2026
pulisher
Jun 12, 2026

Summit gains after nearly $50M insider buy (SMMT:NASDAQ) - Seeking Alpha

Jun 12, 2026
pulisher
Jun 12, 2026

Summit Therapeutics stock rises after CEO share purchase By Investing.com - Investing.com Canada

Jun 12, 2026
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Jun 12, 2026

Summit Therapeutics stock rises after CEO share purchase - Investing.com

Jun 12, 2026
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Jun 12, 2026

Summit Therapeutics Insider Bought Shares Worth $49,987,200, According to a Recent SEC Filing - Moomoo

Jun 12, 2026
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Jun 12, 2026

Summit Therapeutics co-CEO Robert Duggan buys $49.9m in stock - Investing.com India

Jun 12, 2026
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Jun 12, 2026

Summit Therapeutics co-CEO Robert Duggan acquires 3.81 million shares - StreetInsider

Jun 12, 2026
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Jun 12, 2026

Summit Therapeutics Co-Chief Executive Officer Purchased Shares Worth Over $49M - TradingView

Jun 12, 2026
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Jun 12, 2026

Summit Therapeutics (SMMT) Co-CEO Robert Duggan buys 3.81M shares in open market - Stock Titan

Jun 12, 2026
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Jun 12, 2026

Summit Therapeutics Halts US$500m Offering After Ivonescimab Trial Results - Yahoo Finance

Jun 12, 2026
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Jun 11, 2026

Summit Therapeutics (SMMT) Withdraws Public Offering Amid Market Conditions - GuruFocus

Jun 11, 2026
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Jun 11, 2026

Summit Therapeutics (SMMT) Withdraws $500M Public Offering Amid Market Conditions - GuruFocus

Jun 11, 2026
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Jun 11, 2026

Summit pulls $500M share sale a day after announcing it - BioPharma Dive

Jun 11, 2026
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Jun 11, 2026

Summit Therapeutics withdraws proposed securities offering citing market conditions - MSN

Jun 11, 2026
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Jun 11, 2026

Summit Therapeutics Withdraws Proposed Underwritten Public Offering Effective- SEC Filing - TradingView

Jun 11, 2026
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Jun 11, 2026

Summit Therapeutics withdraws proposed underwritten offering citing market conditions - TradingView

Jun 11, 2026
pulisher
Jun 11, 2026

Summit Therapeutics (NASDAQ: SMMT) pulls planned stock sale amid markets - Stock Titan

Jun 11, 2026
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Jun 11, 2026

Summit Therapeutics stock hits 52-week low at 13.14 USD By Investing.com - Investing.com Nigeria

Jun 11, 2026
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Jun 10, 2026

Summit Therapeutics (SMMT) Sees a 10.2% Decline - GuruFocus

Jun 10, 2026
pulisher
Jun 10, 2026

Oil Jumps On Iran Strikes, Nasdaq 100 Falls On Hot Inflation: Stock Market Today - Benzinga

Jun 10, 2026
pulisher
Jun 10, 2026

Summit Therapeutics stock hits 52-week low at 13.14 USD - Investing.com

Jun 10, 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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Summit Therapeutics Inc Stock (SMMT) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
DUGGAN ROBERT W
Co-Chief Executive Officer
Jun 12 '26
Buy
13.12
3,810,000
49,987,200
573,883,879
DUGGAN ROBERT W
Co-Chief Executive Officer
Jun 04 '26
Buy
14.60
100,000
1,460,000
25,824,474
Zanganeh Mahkam
Co-Chief Executive Officer
Jun 04 '26
Buy
14.60
100,000
1,460,000
25,824,474
Soni Manmeet Singh
COO and CFO
Jun 04 '26
Buy
14.45
50,000
722,250
3,123,603
Xia Yu
Director
Oct 21 '25
Buy
18.74
533,617
9,999,983
32,057,147
DUGGAN ROBERT W
Co-Chief Executive Officer
Oct 21 '25
Buy
18.74
26,680
499,983
76,680
Zanganeh Mahkam
Co-Chief Executive Officer
Oct 21 '25
Buy
18.74
26,680
499,983
76,680
Zanganeh Mahkam
Co-Chief Executive Officer
Sep 10 '25
Buy
17.68
333,394
5,894,406
556,088,090
Zanganeh Mahkam
Co-Chief Executive Officer
Sep 11 '25
Buy
18.07
5,000
90,350
556,093,090
DUGGAN ROBERT W
Co-Chief Executive Officer
Sep 10 '25
Buy
17.68
333,394
5,894,406
556,088,090
$31.20
price up icon 2.60%
$92.22
price up icon 3.04%
$53.70
price down icon 0.94%
$61.80
price up icon 11.55%
ONC ONC
$262.68
price down icon 0.47%
$157.77
price up icon 0.76%
Cap:     |  Volume (24h):