PRA Health Sciences
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PRA Health Sciences is a contract research organization with headquarters in Raleigh, North Carolina that was founded as the Anti-Inflammatory Drug Study Group in 1976, renamed PRA in 1982. In 2013 the company was acquired by Kohlberg Kravis Roberts, which brought the company public in November 2014 and maintained shares until September 2019. In August 2017 the company acquired Conshohocken-based real-world healthcare data, analytics, and technology solutions company Symphony Health for US$530 million. PRA’s 2018 revenue was US$2.87 billion. On February 24, 2021, PRA and ICON plc announced that ICON will acquire PRA. The acquisition was completed on July 1, 2021. Upon completion of the transaction, PRA shareholders own approximately 34 percent of the shares of the combined company and ICON shareholders own approximately 66 percent.