EX-21.1 4 sum-ex211_20241231xxsubsid.htm EX-21.1

Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

 

Name of Subsidiary						Jurisdiction of incorporation or organization
Summit Therapeutics Sub Inc.						Delaware, USA
Summit International Holdings Limited (Cayman Islands)						Cayman Islands
Summit Therapeutics Global LLC						Delaware, USA
Summit (Oxford) Limited						England and Wales
Summit Therapeutics Limited						England and Wales
Discuva Limited						England and Wales
Summit Therapeutics Swiss STS GmbH						Switzerland
Summit Therapeutics Ireland Limited						Ireland