The Abu Dhabi Investment Authority (ADIA) is one of the world's largest sovereign wealth funds, established in 1976, located in Abu Dhabi and owned by the Emirate of Abu Dhabi, and funded primarily by Abu Dhabi's oil revenues. The Abu Dhabi Investment Authority has never released its assets, but they are estimated to be between $800 billion and $875 billion, and the Sovereign Wealth Fund Institute (SWF) estimates its assets at $773 billion (2014 data).