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Citadel takes on banks with push for big stock trades — and Chase is noticing

Reported by Chicagobusiness ·Bloomberg
Apr 21, 2026· 2 min read
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Key Takeaways
  • • Citadel Securities launched a high-touch equity trading service that directly competes with JPMorgan Chase's core institutional trading business, prompting JPMorgan to cut certain trading functions it previously provided to the market-maker.
  • • JPMorgan Chase's equity revenue grew 33% in 2025, while Citadel Securities expanded profitably by over 70% in Q1 2025, demonstrating the competitive pressure traditional banks face from sophisticated trading platforms.
  • • Citadel Securities recruited Elan Luger, JPMorgan's former head of high-touch equities, to lead the new equity trading unit, signaling the firm's intent to directly compete for institutional client relationships historically dominated by investment banks.
  • • The conflict illustrates blurred lines between client and competitor in modern finance, where market-making giants now possess the capital, talent, and technological infrastructure to encroach on traditional banking revenue streams.
  • • Citadel Securities is also evaluating entry into prediction markets, according to president Jim Esposito, suggesting the firm is pursuing multiple growth vectors beyond equities trading.
Summary
Citadel Securities, the market-making division of Ken Griffin's Citadel hedge fund, has initiated a direct challenge to JPMorgan Chase's dominance in high-touch equity trading—the complex, relationship-driven business of executing large institutional trades that cannot be automated. The competitive incursion prompted JPMorgan to terminate certain trading services it had previously provided to Citadel Securities, marking an escalation in the conflict between traditional investment banks and technology-enabled trading platforms.

The clash centers on Citadel Securities' decision to build its own institutional equity trading operation, horizontally integrating into a market segment JPMorgan has historically controlled. To execute this strategy, Citadel Securities recruited Elan Luger, who led JPMorgan's high-touch equities division—a talent acquisition that signaled Citadel's competitive intent and prompted the bank's service reduction. This dynamic reflects a fundamental shift in financial services: the historical boundaries between client and competitor have eroded as well-capitalized trading firms leverage superior technology and hiring power to compete directly with banks.

The financial performance gap underscores the stakes. JPMorgan's equity revenue increased 33% in 2025, while Citadel Securities grew profitably by over 70% during Q1 2025, indicating that despite its historical dominance, JPMorgan faces sustained pressure from competitors capturing institutional market share. Citadel Securities operates under CEO Peng Zhao and is planning to offer white-label trading services to banks and brokerages, further expanding its competitive footprint.

Beyond equities, Citadel Securities president Jim Esposito indicated the firm is monitoring the fast-moving prediction markets industry, signaling that expansion into alternative trading venues remains under consideration. This multifaceted growth strategy positions Citadel Securities as a comprehensive competitor to traditional banking platforms across multiple asset classes and trading methodologies.

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Sources

2 outlets

AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Chicagobusiness Citadel takes on banks with push for big stock trades — and Chase is noticing Bloomberg Citadel Securities Takes On Banks With Push for Big Stock Trades