Profile

Alexion Pharmaceuticals Inc. is an American pharmaceutical company best known for its development of Soliris, a drug used to treat the rare disorders atypical hemolytic uremic syndrome and paroxysmal nocturnal hemoglobinuria . The company is also involved in immune system research related to autoimmune diseases. It employs around 2,400 people worldwide. In February 2016, the company held the dedication ceremony for its new headquarters in New Haven, Connecticut, not far from the company's starting point in the same city. In September 2017, Alexion announced it would be moving its headquarters to Boston, Massachusetts, in mid-2018.