Two Sigma
Two Sigma is a quantitative investment management firm founded in 2001 by John Overdeck and David Siegel. Based in New York City, the company employs over 1,800 professionals across global offices in cities like Houston, London, and Tokyo. Two Sigma focuses on using advanced technology, data science, and quantitative analysis to navigate financial markets. The firm offers a range of services, including quantitative investment management for institutional investors and private clients, private equity, and commercial aviation investments. It also applies its data science expertise to the insurance sector, enhancing risk assessment and underwriting processes. Additionally, Two Sigma engages in securities trading, venture capital, and real estate investments, utilizing proprietary algorithms and machine learning to identify market opportunities. Two Sigma promotes a culture of innovation and research, hosting coding competitions and hackathons to encourage creativity among its employees. The firm emphasizes diversity and inclusion, reflecting its commitment to fostering a collaborative work environment.
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Headcount trend
Two Sigma went from 1,793 employees in Jul 2023 to 1,653 in Jun 2025. Jan to Jun 2025: 96 people joined, 51 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Funding
- Apr 2023 · $677M
- Sep 2022 · $400M
- Jan 2020 · $288M
- Nov 2019 · $1.2B
Salaries at Two Sigma
All salaries232 salary profiles in the US
Most reported roles
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 90 filings.
Peer reviews
Worked with someone at Two Sigma?
Anonymous peer reviews on OffTheRecord
Similar companies
Two Sigma FAQ
How many employees does Two Sigma have?
Two Sigma has about 1,653 employees, up 0.3% over the 3 months to Jun 2025.
Does Two Sigma sponsor H1B visas?
Yes. Two Sigma filed 90 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.
What is Two Sigma's revenue per employee?
Two Sigma makes about $605K in revenue per employee, based on $1B annual revenue and 1,653 employees.
How much does Two Sigma pay?
6figr has 232 salary profiles for Two Sigma in the US, with pay broken down by role, level, gender and ethnicity on the Two Sigma salaries page. See Two Sigma salaries
How much funding has Two Sigma raised?
Two Sigma has raised $2.56B in total funding.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.
