Companies Simplex Trading

Simplex Trading

Chicago

120 Total Employees

Year Founded: 2004

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Engineering 3 Finance 1

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Simplex Trading Company Growth, Stability & Outlook in Chicago

Updated on September 09, 2026

What's the stability & growth outlook for Simplex Trading?

The Chicago office is characterized by selective hiring across trading and low‑latency engineering, visible employer recognition, and leadership initiatives aimed at product and geographic expansion. Together, these dynamics suggest the Chicago location offers a growth‑minded, well‑regarded environment with expanding opportunities and a strong focus on talent.

Key Insight for Candidates

Chicago’s HQ is the firm’s growth engine—actively adding talent while operating from a custom-built, high‑power trading environment in the Federal Reserve Building designed for high‑frequency desks. This shows long‑term, on‑site investment. Candidates join the core hub where strategy, engineering, and market‑facing activity are concentrated and expanding.

Evidence in Action

Quarterly 13F Reporting — Quarterly 13F reports show portfolio value rising from about $149.1B (Mar 31, 2026) to about $170.6B (Jun 30, 2026). This recurring disclosure signals scale and stability that Chicago employees can plan around.
Strategic Growth Leadership Role — The Managing Director of Strategic Business Development was appointed in 2024 to expand partnerships and move into new products and geographies. This explicit growth charter gives Chicago teams a clear roadmap for capability expansion and career development.

Positive Themes About Simplex Trading

Strong Hiring & Retention: In Chicago, the firm is actively recruiting for trading and engineering roles and has been repeatedly named a Best Place to Work by Built In, signaling emphasis on attracting and keeping talent. Local openings that span algorithmic trading, software, infrastructure, and FPGA roles indicate ongoing investment in the team.
Market Expansion: From its Chicago base, leadership additions—such as a Managing Director of Strategic Business Development—are explicitly focused on expanding into new products, partnerships, and geographies. This points to Chicago teams operating within a growth mandate tied to broader market reach.
Strong Brand Reputation: In Chicago, the company has earned Built In “Best Places to Work” recognition and maintains visible industry presence through exchange ceremonies and options‑industry conferences, reinforcing a strong employer and market‑participant brand. Such visibility supports recruiting and relationships across the local ecosystem.