Great Finance Firms · Quant & trading
Jane Street
A quiet 2000 start-up of ex-Susquehanna traders became one of the world's largest market makers, dominant in ETFs and bond ETFs: a flat, puzzle-loving, OCaml-coding partnership-style firm that earns billions from tiny edges on enormous volume.
Step 1 of 6 · Overview35 min read ·
Key idea
Prereqs: Citadel & Citadel Securities; Market structure; Order types & execution. Next: Two Sigma & D. E. Shaw. Sources: Jane Street's own talks and blog, Bloomberg and FT reporting, and its 2024–25 bond-offering disclosures.Next: 1. Origins and culture