RANKED: The 10 biggest hedge funds in the US

Headquarters: New York

Davidson Kempner Capital Management is headquartered in New York with offices in Dublin and Hong Kong. The fund was founded in 1983 and has around 315 employees across its offices. Thomas L. Kempner, Jr. is a co-executive managing member.

Headquarters: Boston

This Boston-based fund focuses on managing S&P 500 assets, primarily for endowments and foundations like the American Red Cross and the Getty Foundation. They have a strong record on returns and have comfortably outperformed the S&P 500 index in each of the last 15 years. Phillip Gross is the managing director.

Headquarters: New York

The fund was founded in 1989 with $35 million dollars which has since ballooned to $34.7 billion. It has literally converted millions into billions. Israel Englander is co-founder, chairman, and CEO.

Headquarters: New York

The American company is often described as a vulture fund with over a third of its assets focused in distressed securities like debts of near bankrupt countries. It has consistently generated strong annual returns above the S&P 500 index. Paul Singer is CEO.

Headquarters: New York

Two Sigma Investments, founded in 2001, is run by John Overdeck and David Siegal. It was reportedly named Two Sigma as a reference to choosing dual trading positions. The firm is known for using technology like artificial intelligence and algorithms to give it an edge.

Headquarters: New York

The arm of JPMorgan is a leading global name in asset management. It has a diverse investment portfolio and a wide range of clients. Jamie Dimon is chairman and CEO of JPMorgan Chase and one of only a few chief executives to become a billionaire.

Headquarters: New York

Renaissance Technologies was founded in 1982 by James Simons, an award-winning mathematician and Cold War code breaker. The company takes its lead from Simons and specializes in systematic trading, using mathematical models to make effective investments and trades.

Headquarters: Greenwich, Connecticut

The firm offers quantitatively driven investment opportunities for a range of clients, making both traditional and alternative investments. Cliff Asness is the founding and managing principal.

Headquarters: Westport, Connecticut

The largest hedge fund in the US serves institutional clients including pension funds, endowments, foundations, foreign governments, and central banks. With about 1,700 employees it focuses on global macro investing, making bets based on inflation, currency exchange, and GDP. Ray Dalio is founder, co-chief investment officer, and co-chairman.