Institutional shares held 92.9 Million
5.19M calls
3.39M puts
Total value of holdings $1.69B
$94.7M calls
$61.9M puts
Market Cap $3.67B
201,215,008 Shares Out.
Institutional ownership 46.16%
# of Institutions 271


Latest Institutional Activity in SMMT

Top Purchases

Q3 2025
Vanguard Group Inc Shares Held: 11.4M ($208M)
Q3 2025
State Street Corp Shares Held: 6.36M ($116M)
Q3 2025
Morgan Stanley Shares Held: 1.93M ($35.1M)
Q3 2025
Nomura Holdings Inc Shares Held: 1.05M ($19.1M)
Q3 2025
Price T Rowe Associates Inc Shares Held: 4.54M ($82.8M)

Top Sells

Q3 2025
Ubs Group Ag Shares Held: 1.28M ($23.3M)
Q3 2025
Jpmorgan Chase & CO Shares Held: 137K ($2.49M)
Q3 2025
Charles Schwab Investment Management Inc Shares Held: 876K ($16M)
Q3 2025
Polar Capital Holdings PLC Shares Held: 746K ($13.6M)
Q3 2025
Caption Management, LLC Shares Held: 28.3K ($516K)

About SMMT

Summit Therapeutics Inc., a biopharmaceutical company, discovers, develops, and commercializes medicines to treat infectious diseases in the United States and Latin America. It conducts clinical programs focusing on Clostridioides difficile infection (CDI). The company's lead product candidate is ridinilazole, an orally administered small molecule antibiotic that is in Phase III clinical trials for the treatment of CDI. It also offers SMT-738, for combating multidrug resistant infections primarily carbapenem-resistant Enterobacteriaceae infections; and DDS-04 series for the potential treatment of infections caused by the Enterobacteriaceae. The company was founded in 2003 and is based in Cambridge, Massachusetts.


Insider Transactions at SMMT

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
38M Shares
From 11 Insiders
Grant, award, or other acquisition 28.6M shares
Exercise of conversion of derivative security 149K shares
Open market or private purchase 1.26M shares
Exercise of in-the-money or at-the-money derivatives securities 7.97M shares
Sell / Disposition
0 Shares
From 0 Insiders

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