Sarissa Capital Management LP is a U.S.-based investment management firm and activist shareholder focused on the healthcare and life sciences sectors, particularly biotechnology and pharmaceuticals. Founded in 2013 by Alexander J. Denner, the firm invests through concentrated positions and engages with portfolio companies on strategic and operational matters.
Sarissa’s activities typically include advocating for changes in strategy, capital allocation, R&D prioritization, portfolio structure, and governance, often accompanied by board representation. While not a chemical producer, its focus overlaps with parts of the chemical industry through companies involved in drug discovery, process development, and manufacturing inputs and specialized materials.