Alphacution quoted in Bloomberg‘s September 2, 2025 article ($) by Katherine Doherty on recent record trading revenue from Jane Street, Citadel Securities, and Hudson River Trading:

Takeaways by Bloomberg AI

  • Jane Street generated $10.1 billion of trading revenue in the second quarter, while Hudson River Trading and Ken Griffin’s Citadel Securities also reported significant revenue.
  • The three market-making firms collected almost $30 billion of trading revenue in the first six months, helped by volatility in the wake of President Donald Trump’s tariff wars.
  • Non-bank liquidity providers like Jane Street, Citadel Securities, and Hudson River Trading have rapidly expanded by investing in technology and talent to win business from banks constrained from riskier bets.