Summit Therapeutics Inc.

NasdaqGM:SMMT Stock Report

Market Cap: US$13.6b

Summit Therapeutics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGM:SMMT Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
21 Oct 25BuyUS$999,985Manmeet SoniIndividual53,361US$18.74
21 Oct 25BuyUS$9,999,983Akeso, Inc.Company533,617US$18.74
21 Oct 25BuyUS$5,499,965Mahkam ZanganehIndividual293,488US$18.74
21 Oct 25BuyUS$261,999,986Robert DugganIndividual13,980,789US$18.74
21 Oct 25BuyUS$499,983Bhaskar AnandIndividual26,680US$18.74
11 Sep 25BuyUS$5,984,756Robert DugganIndividual338,394US$18.07

Insider Trading Volume

Insider Buying: SMMT insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of SMMT?
Owner TypeNumber of SharesOwnership Percentage
State or Government54,5600.00733%
General Public629,5230.0846%
Public Companies32,057,1474.31%
Institutions101,917,60813.7%
Individual Insiders609,783,70081.9%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 97.87% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
76.6%
Robert Duggan
570,073,879US$10.4b2.58%no data
4.84%
Mahkam Zanganeh
36,031,930US$657.9m0.82%no data
4.53%
Baker Bros. Advisors LP
33,722,974US$615.8m38.1%3.6%
4.31%
Akeso, Inc.
32,057,147US$585.4m1.69%no data
1.53%
The Vanguard Group, Inc.
11,379,728US$207.8m31.2%no data
1.24%
FMR LLC
9,225,617US$168.5m-1.2%0.01%
0.99%
BlackRock, Inc.
7,363,793US$134.5m7.55%no data
0.54%
State Street Global Advisors, Inc.
4,017,697US$73.4m-17.2%no data
0.52%
T. Rowe Price Group, Inc.
3,905,148US$71.3m-40.5%0.01%
0.42%
Geode Capital Management, LLC
3,132,735US$57.2m6.74%no data
0.41%
Manmeet Soni
3,073,603US$56.1m1.77%no data
0.29%
UBS Asset Management AG
2,180,847US$39.8m72.5%no data
0.29%
Pictet Asset Management Limited
2,163,873US$39.5m-18.7%0.03%
0.19%
Norges Bank Investment Management
1,389,862US$25.4m1,290%no data
0.18%
Apeiron Capital Limited
1,310,941US$23.9m9.16%11.57%
0.15%
Aberdeen Group Plc
1,139,530US$20.8m0%0.01%
0.13%
Polar Capital Holdings Plc
1,000,000US$18.3m0%0.05%
0.12%
Polymer Capital Management (HK) Limited
890,029US$16.3m125%2.09%
0.12%
Charles Schwab Investment Management, Inc.
876,390US$16.0m-32.2%no data
0.1%
Fiera Capital Corporation
762,094US$13.9m-2.65%0.03%
0.095%
Rock Springs Capital Management LP
710,000US$13.0m-28.6%0.63%
0.075%
Morgan Stanley
561,760US$10.3m31.7%no data
0.075%
Millennium Management LLC
556,009US$10.2m-37.3%0.01%
0.072%
TD Asset Management, Inc.
537,530US$9.8m11.1%0.01%
0.071%
Northern Trust Global Investments
531,628US$9.7m-37%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/11/14 06:03
End of Day Share Price 2025/11/14 00:00
Earnings2025/09/30
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Summit Therapeutics Inc. is covered by 24 analysts. 13 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Etzer DaroutBarclays
Timothy ChiangBTIG
Arlinda LeeCanaccord Genuity