What does Horizon Therapeutics do?

Horizon Therapeutics is a biopharmaceutical company that focuses on researching, developing, and commercializing medicines for rare and rheumatic diseases. The company primarily markets its products in the United States and has a strong presence in the pharmaceutical industry. Horizon Therapeutics was founded in 2005 and is headquartered in Dublin, Ireland, with operational headquarters in Lake Forest, Illinois. The company has a team of key executives, including Timothy P. Walbert, who serves as the Chairman, President, and CEO. Horizon Therapeutics has a strong track record of acquiring companies and expanding its portfolio. For example, in 2015, the company acquired Hyperion Therapeutics for $1.1 billion to increase its portfolio of orphan disease drugs. In December of the same year, the company acquired Crealta Holdings for $510 million. In recent news, Amgen completed its acquisition of Horizon Therapeutics plc for $27.8 billion. This acquisition is expected to strengthen Amgen's leading inflammation portfolio and position the company as a leader across a broader range of diseases.