Euclidean Capital

Euclidean Capital, founded in 2009, serves as the single-family office managing the personal wealth of James Simons, the mathematician and founder of Renaissance Technologies. Based in New York City, the firm focuses on long-term capital preservation and growth through diversified investments in both public and private markets. It leverages a quantitative and data-driven investment philosophy inspired by Simons’s background in mathematics and hedge fund management.

The firm primarily invests in sectors such as biotechnology, financial services, life sciences, and artificial intelligence, often participating in venture capital rounds from early to late stages. Euclidean Capital is known for its preference for innovative companies, especially in biotech and AI, reflecting Simons’s scientific and quantitative approach to investing. The firm operates from its headquarters in Midtown South Manhattan, New York, with a team of approximately 23 employees including investment professionals and strategists. The firm manages assets estimated in the range of $21 billion to over $700 million in disclosed securities, maintaining a portfolio that includes both public equities and private investments. It has made over 50 investments and completed 5 portfolio exits, demonstrating active engagement in venture and growth equity markets.