AstraZeneca invests $2 billion in Summit Therapeutics for 12% stake

PUBT · 1d ago
AstraZeneca invests $2 billion in Summit Therapeutics for 12% stake
  • AstraZeneca completed a $2 billion equity investment in Summit Therapeutics on October 5, 2026, paying the full amount at closing.
  • The investment gives it rights equivalent to approximately 12% of Summit's outstanding common stock, or 10.6% on a fully diluted basis.
  • The companies entered clinical collaborations to evaluate sonesitatug vedotin and Datroway in combination with Summit's ivonescimab.


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