Following are the ten largest hedge funds in the United States and globally ranked by assets under management (AUM).

1. Bridgewater Associates is the world's biggest hedge fund with $160 billion in total assets under management. The company was founded by Ray Dalio in 1975 and is headquartered in Westport, Connecticut.
Founder: Ray Dalio
Hedge fund AUM: $160 billion
Number of employees: 1,700

2. AQR Capital Management is the second largest hedge fund manager in the world. The company is headquartered in Greenwich, Connecticut, with offices in Chicago, Los Angeles, Boston, London, Hong Kong and Sydney.
Founders: Cliff Asness, David Kabiller, Krail, John Liew
Hedge fund AUM: $76 billion (June 2017)
Number of employees: 871

3. Man Group is a British hedge fund firm headquartered in London. It is the world’s largest publicly-traded hedge fund.
CEO: Luke Ellis
Hedge fund AUM: 53 billion (June 2017)
Number of employees: 1,250

4. Two Sigma Investments was established in 2001 and is headquartered in New York.
Founders: David Siegel, John Overdeck, Mark Pickard
Hedge fund AUM: $50 billion (October 2017)
Number of employees: 1,200

5. Renaissance Technologies is an American investment management company established in 1982.
Founder: James Simons
Hedge fund AUM: $45 billion
Number of employees: 300

6. DE Shaw & Co. is a global investment manager established in 1988. Headquartered in New York, it has branches in Silicon Valley, Boston, Kansas City, Princeton, London, Hong Kong, Shanghai, Hyderabad and Bermuda.
Founder: David E. Shaw
Hedge fund AUM: $43 billion (July 2017)
Number of employees: 1,300

7. Millennium Management is a global hedge fund manager founded in 1989 and is headquartered in New York with branches in Old Greenwich, Singapore, Hong Kong, Geneva, Minatu-ku (Japan) and London.
Founder: Israel Englander
Hedge fund AUM: $35.3 billion (November 1, 2017)
Number of employees: 2,300+

8. Elliott Management
Founder: Paul Elliott Singer
Hedge fund AUM: $33 billion (June 2017)
Number of employees:

9. Och-Ziff Capital Management is a global alternative asset manager headquartered in New York, with additional offices in Houston, London, Mumbai, Beijing, Shanghai and Hong Kong.
Founder: Daniel Och
Hedge fund AUM: 32 billion (November 1, 2017)
Number of employees: 400+

10. The Baupost Group was established in 1982 and is headquartered in Boston, Massachusetts.
Founder: Seth Klarman
Hedge fund AUM: $31 billion
Number of employees: 200+

11. Winton Group was founded in 1997 and is based in London, the UK. It also has office in Oxford and international branches in New York, San Francisco, Zurich, Sydney, Shanghai, Tokyo and Hong Kong.
Founder: David Harding
Hedge fund AUM: $28 billion (June 2017)
Number of employees: 450