Alex Gerko’s Viral Post: What Quant Trading Firms 

Quantitative ("quant") trading firms use 

mathematics, statistics, programming, machine learning, and data science

 to make automated trading and investment decisions in financial markets.

Instead of relying on intuition, these firms rely on:

Quant firms power modern financial markets and are among the 

highest-paying employers in finance and technology

2. Proprietary Trading Firms (Prop Firms)

5. Market Makers & Electronic Trading Firms

Build the Skills These Firms Actually Hire For

Jane Street, Citadel, Jump Trading, Two Sigma, Optiver, or HRT

Python, statistics, data structures, and practical problem-solving

, we help aspiring quants do exactly that through:

HFT firms operate in ultra-competitive environments where 

Top firms like Jump Trading, HRT, and Citadel Securities dominate global markets using proprietary systems.

Prop firms trade their own capital, allowing faster innovation and risk-taking. These firms often combine:

Systematic Hedge Funds (Quant Hedge Funds)

These firms use AI, big data, and statistical modeling to manage large portfolios. Many use 

, allocating capital dynamically based on performance.

These firms focus on long-term performance using:

These firms provide market liquidity using advanced execution algorithms, dynamic hedging, and order-flow analysis.

These firms run multiple strategies (quant, macro, discretionary, credit) and reallocate capital dynamically to maximize risk-adjusted returns.

Rising Quant & Prop Firms to Watch in 2026

Banks increasingly depend on quant teams for:

These firms represent the next wave of AI-driven, systematic innovation.

The quant finance industry is evolving faster than ever due to:

In 2026, top quant firms prioritize candidates who combine:

A quant firm is a financial institution that uses mathematics, data science, and algorithms to trade financial markets.

3. Best programming languages for quant roles

No. While helpful for research roles, strong skills and projects matter more.

5. Quant trader vs quant researcher vs quant developer