Jane Street Capital

What Jane Street Capital does

Jane Street is a privately held quantitative trading firm and global market maker founded in 2000 and headquartered at 250 Vesey Street, New York. The firm provides liquidity to financial markets by quoting both bid and ask prices for securities, earning the spread, and generates additional revenue through proprietary quantitative trading. It serves institutional clients — including banks, hedge funds, asset managers, and proprietary trading firms — across equities, options, futures, crypto, and fixed income markets, operating from regulated subsidiaries in the United States, United Kingdom, Netherlands, Hong Kong, and Singapore, with approximately 3,500 employees globally.

The firm's core technology is proprietary and built primarily on the OCaml programming language. It develops low-latency networks, custom compilers, distributed systems, and FPGA-based hardware acceleration through the Hardcaml library. The firm applies machine learning and deep learning to market prediction and trading strategy development. In June 2025 it announced OxCaml, performance-engineering extensions to OCaml, and it contributes extensively to open-source software through 400+ public repositories. The firm does not offer a public API; client access is via direct market participation across global exchanges and institutional relationships.

The business model is transaction-fee based: revenue is generated from bid-ask spreads on market making and from proprietary trading P&L using the firm's own capital. Members' equity stood at $45 billion as of recent disclosure — nearly 2,000% growth since 2016 — providing the capital base that enables large-scale market making. The firm operates as a partnership-style entity, distributing profits to members through compensation, which totaled $9.38 billion in 2025 (approximately $2.68 million per employee). Revenue scaled to $39.6 billion in net trading revenue in 2025, with Q1 2026 alone generating $16.1 billion, more than double year-over-year.

Name

Jane Street Capital

Legal name

Jane Street Group, LLC

Website

https://www.janestreet.com

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Jane Street is a private quantitative trading firm and global market maker that provides liquidity to institutional clients across equities, options, futures, crypto, and fixed income using proprietary OCaml-based technology and quantitative research.

Ownership category

akta.pro rank

Product category

Quantitative Trading and Market Making

NAICS

Securities and Commodity Contracts Intermediation and Brokerage (5231), Securities, Commodity Contracts, and Other Financial Investments and Related Activities (523)

SIC

Security & Commodity Brokers, Dealers, Exchanges & Services (6200), Security Brokers, Dealers & Flotation Companies (6211)

akta.pro primary industry

Quant Equity Long/Short (Equity Stat Arb / Factor / ML) (FSAHAAAB)

akta.pro secondary industry

Quant Research & Systematic Strategies (FSACAGAF)

Keywords

• Quantitative trading
• Market making services
• Liquidity provision
• Algorithmic trading
• Proprietary trading

Headquarters

HQ city

New York

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Infrastructure, Others

Revenue model

1. Market Making and Trading: Jane Street generates revenue primarily through market making - providing liquidity to financial markets by quoting both bid and ask prices for securities and earning the spread. Additional revenue comes from proprietary trading using quantitative models.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Jane Street Capital is a quantitative trading firm that provides liquidity as a registered market maker across multiple asset classes, including equities, ETFs, options, futures, bonds, and digital assets. The firm deploys proprietary technology and quantitative research to continuously quote prices and trade with institutional counterparties such as banks, broker-dealers, hedge funds, and asset managers.

Product overview

Jane Street is a research-driven quantitative trading firm, not a software product company. The firm operates as a market maker, committing its capital, technology, and expertise to facilitate trading for institutional clients across global capital markets. The company does not sell discrete software products; rather, it provides trading services and execution capabilities to financial institutions. Jane Street has developed significant internal technology capabilities, including open-source OCaml libraries and tools, but these are shared publicly rather than sold as commercial products. The firm's core offering consists of market making and trading services for institutional counterparties.

Differentiator

Problem solved

Functional benefit

Products and services

• Market Making Services Continuous two-sided quoting and liquidity provision across global exchanges and electronic trading venues in equities, ETFs, options, futures, fixed income, and cryptocurrencies, offered to institutional counterparties such as banks, broker-dealers, hedge funds, and asset managers.
• ETF Authorized Participant and Creation/Redemption Services Authorized participant services for ETFs, including primary market creation and redemption and secondary market making, supporting ETF issuers and institutional investors.
• Institutional Execution and Principal Trading Principal and agency execution services provided to institutional clients across multiple asset classes, leveraging Jane Street's proprietary trading technology and balance sheet.
• Digital Asset Trading Liquidity provision and market making in cryptocurrencies and other digital assets on a global set of trading venues, offered to institutional counterparties.

Quantifiable outcome

• $39.6 billion in net trading revenue in 2025, surpassing JPMorgan Chase by 11%
• +1 more outcomes

Named customers1 record

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators9 records

Recent moves9 records

Expansion highlights6 records

Direct peers

• Hudson River Trading: Quantitative trading firm and market maker that, like Jane Street, applies ML-driven systematic strategies to provide liquidity across global markets; comparable in size, technology intensity, and proprietary-capital model.
• Jump Trading: Global high-frequency and algorithmic trading firm with significant crypto and traditional asset market making operations, directly overlapping with Jane Street's product set and quantitative approach.
• Wolverine Trading: Proprietary trading firm focused on options market making and execution services, competing directly with Jane Street's options liquidity business.
• IMC Financial Markets: Global proprietary trading firm and liquidity provider in options, ETFs, and equities with similar quantitative strategies and global office footprint, directly comparable in business model.
• Citadel Securities: Largest direct competitor to Jane Street — a global market maker and quantitative liquidity provider across equities, options, ETFs, and other asset classes, with comparable capital base, technology focus, and institutional client base.
• Optiver: Dutch-headquartered market maker and proprietary trading firm operating across options, equities, ETFs, and fixed income, with a similar institutional client focus and quantitative technology stack.
• Tower Research Capital: Quantitative trading firm specializing in high-frequency market making and low-latency execution, with overlapping technology (FPGA) and product focus on equities, options, and futures.
• Susquehanna International Group (SIG): Large quantitative proprietary trading firm with significant options market making and ETF trading businesses, competing head-to-head with Jane Street in options liquidity provision.

Broad incumbents

• Two Sigma: Larger quantitative firm combining systematic trading with investments and technology businesses; overlaps with Jane Street on quant trading and ML-driven strategies but operates a broader portfolio.
• D. E. Shaw: Established quantitative investment and trading firm with systematic strategies across multiple asset classes; broader firm scope than Jane Street but overlapping quant trading activities.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• GitHubgithub.com/janestreet
• YouTubeyoutube.com/channel/UCDsVC_ewpcEW_AQcO-H-RDQ/videos
• LinkedInlinkedin.com/company/jane-street-asia-limited

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments66 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Jane Street Capital