# Two Sigma Investments

Two Sigma Investments is an Asset Manager based in New York, United States.

## Overview

- **Organization type:** Asset Manager
- **Headquarters:** New York, United States
- **Region:** North America
- **Address:** New York, NY, United States
- **Founded:** 2001
- **Assets under management:** $75B+ (2026)
- **Website:** twosigma.com
- **LinkedIn:** https://www.linkedin.com/company/two-sigma-investments
- **Wikidata:** Q18355352

## Regulatory record

- **CRD number:** 137137
- **SEC file number:** 801-70476
- **Registration status:** Registered
- **Reports private funds:** Yes
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/137137

## About

Two Sigma Investments, LP is a quantitative investment management firm that applies scientific methods, data science, machine learning, artificial intelligence, and advanced technology to generate alpha across diversified global strategies. Founded in 2001 by computer scientist David Siegel and mathematician John Overdeck, the firm is headquartered in New York with additional offices in Houston, London, Tokyo, Hong Kong, Shanghai, and other locations (per twosigma.com/offices and about-us). It employs approximately 1,700 people, including more than 250 PhDs and over 1,000 data scientists, engineers, and technical professionals, supported by 380+ petabytes of data and high-performance computing infrastructure (per twosigma.com homepage and investment-management page). Two Sigma reports more than $75 billion in assets under management (per twosigma.com homepage as of mid-2026). The firm follows a systematic process of data sourcing and preparation, modeling, portfolio construction, and execution (per investment-management page). Leadership includes Co-Founders and Co-Chairmen David Siegel and John Overdeck; Carter Lyons serves as Co-CEO (per official 2024 leadership announcement and about-us). Affiliates encompass Two Sigma Advisers, LP and related entities under the Two Sigma brand (per legal-disclosures). Registered with the SEC as an investment adviser (CRD #137137), Two Sigma focuses on institutional clients seeking systematic, research-driven investment solutions across equities, macro, and other strategies.

## Sectors

- AI/ML
- Enterprise Software
- FinTech
- Data & Analytics

## Offices

- Hong Kong
- London
- Shanghai
- Tokyo
- Houston

## People

- David Siegel — Co-Founder and Co-Chairman
- John Overdeck — Co-Founder and Co-Chairman
- Carter Lyons — Co-CEO
- Ali-Milan Nekmouche — Chief Investment Officer of Two Sigma Investments
- Chris Busby — Global Head of Investor Relations
- Kenny Lam — CEO of Two Sigma Asia Pacific

## Questions

### What is Two Sigma Investments' primary investment approach?

Two Sigma applies a scientific, systematic approach combining data science, machine learning, AI, and technology to identify and capture alpha across diversified global strategies, involving data sourcing, modeling, portfolio construction, and execution (per twosigma.com/businesses/investment-management).

### When was Two Sigma founded and by whom?

Two Sigma was founded in 2001 by David Siegel, a computer scientist, and John Overdeck, a mathematician, with the goal of bringing technology and data science to investment management (per twosigma.com/about-us).

### Where is Two Sigma headquartered and what is its global footprint?

Headquartered in New York at 100 Avenue of the Americas, Two Sigma maintains offices in Houston, London, Tokyo, Hong Kong, Shanghai, Chicago, and Palm Beach Gardens to support its global operations (per twosigma.com/offices).

### What is Two Sigma's approximate AUM?

As disclosed on its official website, Two Sigma manages more than $75 billion in assets under management (per twosigma.com homepage, mid-2026).

### Who currently leads Two Sigma?

Co-Founders David Siegel and John Overdeck serve as Co-Chairmen. Carter Lyons is Co-CEO, with additional senior leaders including Ali-Milan Nekmouche as CIO of Two Sigma Investments (per twosigma.com/about-us and official leadership announcement).

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Last updated: 2026-07-17T22:33:47.000Z

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