Old Mission

Old Mission is a global quantitative market-making firm established in 2008, with offices in Chicago and New York City. The company specializes in providing liquidity across various asset classes, including equities, bonds, currencies, and derivatives like options and futures. It utilizes advanced quantitative techniques and proprietary technology to trade thousands of financial instruments, executing trillions of dollars in transactions both on and off exchange. The core business of Old Mission is market making, where it acts as a liquidity provider for institutional investors, brokers, and exchanges. The firm is adept at pricing and trading even the most challenging securities, including ETFs, by employing statistical models and machine learning. Its team consists of quantitative researchers, engineers, traders, and sales professionals who work together to ensure competitive pricing and efficient execution. Old Mission emphasizes a collaborative culture that values innovation and teamwork, enabling it to adapt quickly to market changes and client needs.

Financial Services Chicago, United States Founded 2008 ~205 employees

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Employees
205
+4.1% in the 3 months to Jun 2025
12-month attrition
11.4%
Tech: 10.6%
H1B filings, FY2026
3
Sponsors visas
Open jobs
8
Last 30 days

Salaries at Old Mission

All salaries

5 salary profiles in the US

Most reported roles

Pay by level, gender and ethnicity

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Consulting7
Engineering5
Operations1

The department split adds up all the years listed above. FY2026 alone: 3 filings.

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Old Mission FAQ

How many employees does Old Mission have?

Old Mission has about 205 employees, up 4.1% over the 3 months to Jun 2025.

Does Old Mission sponsor H1B visas?

Yes. Old Mission filed 3 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.

How much does Old Mission pay?

6figr has 5 salary profiles for Old Mission in the US, with pay broken down by role, level, gender and ethnicity on the Old Mission salaries page. See Old Mission salaries

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.