Institutional shares held 90.4 Million
4.71M calls
3.17M puts
Total value of holdings $1.66B
$86.7M calls
$58.3M puts
Market Cap $3.7B
201,215,008 Shares Out.
Institutional ownership 44.9%
# of Institutions 259


Latest Institutional Activity in SMMT

Top Purchases

Q2 2025
Baker Bros. Advisors LP Shares Held: 33.7M ($620M)
Q2 2025
Norges Bank Shares Held: 1.39M ($25.6M)
Q2 2025
Apeiron Capital LTD Shares Held: 1.2M ($22.1M)
Q2 2025
Polar Capital Holdings PLC Shares Held: 1M ($18.4M)
Q2 2025
Ubs Group Ag Shares Held: 2.09M ($38.5M)

Top Sells

Q2 2025
Vanguard Group Inc Shares Held: 8.67M ($160M)
Q2 2025
Price T Rowe Associates Inc Shares Held: 3.91M ($71.8M)
Q2 2025
Citadel Advisors LLC Shares Held: 102K ($1.88M)
Q2 2025
State Street Corp Shares Held: 4.02M ($73.9M)
Q2 2025
Pictet Asset Management Holding Sa Shares Held: 2.16M ($39.8M)

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
9.11M Shares
From 6 Insiders
Exercise of conversion of derivative security 149K shares
Open market or private purchase 677K shares
Exercise of in-the-money or at-the-money derivatives securities 8.29M shares
Sell / Disposition
0 Shares
From 0 Insiders

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