Two Sigma
| Headquarters at 100 Avenue of the Americas | |
| Company type | Private | 
|---|---|
| Industry | Hedge fund | 
| Founded | 2001 | 
| Founders | 
 | 
| Headquarters | New York, New York, U.S. | 
| Products | Hedge fund | 
| AUM | US$60 billion (2023) | 
| Number of employees | c. 2,000 (2023) | 
| Website | twosigma | 
Two Sigma Investments, LP is an American hedge fund headquartered in New York City. It uses a variety of technological methods, including artificial intelligence, machine learning, and distributed computing, for its trading strategies. The firm was run by John Overdeck and David Siegel until August 2024.