Novartis to Acquire Excellergy for up to $2 Billion

March 27, 2026

Novartis entered into an agreement to acquire Excellergy, a private biotechnology company developing next-generation anti-IgE therapies, in a deal valued at up to $2 billion including upfront and milestone payments. The acquisition will bring Excellergy’s lead asset, Exl-111 (a potentially first-in-class trifunctional effector cell response inhibitor), into Novartis’ allergy and immunology pipeline.

Buyers
Novartis
Targets
Excellergy
Industry
Biotechnology
Location
California, United States
Transaction Type
Buyout

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