Two Sigma Investments is a New York, United States–based quantitative investment management firm founded in 2001 that uses data science, technology and advanced statistical models to develop systematic strategies across public and private financial markets. The firm manages multiple alternative investment strategies, including equities, futures, FX and macro, as well as private markets and venture capital activities. Two Sigma applies machine learning, distributed computing and large‑scale data analysis to inform portfolio construction, risk management and trading execution. Its venture arm, Two Sigma Ventures, invests in early‑stage companies leveraging AI, data and computational technologies. Two Sigma’s parent investment activities span institutional asset management, research and technology development with a focus on rigorous analytical methods and innovation.