York Capital Management is a global institutional investment management firm with approximately $18.5 billion in assets under management as of June 2019. The firm was founded in 1991 by Jamie Dinan. York Capital is headquartered in New York City, with additional offices in London and Hong Kong. As of December 2012, York Capital was ranked as the 20th largest hedge fund in the world. In 2010, Credit Suisse acquired a 30% stake in York Capital for $425 million.