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Hedge fund trader ‘gazumps’ Millennium again to join Citadel

Reported by Bloomberg
May 8, 2026· 3 min read
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Key Takeaways
  • • Macro trader Pablo Duran Steinman reneged on a second agreement to join Millennium Management, this time departing for Citadel after completing gardening leave from ExodusPoint Capital Management in 2025.
  • • Steinman's defection exemplifies "gazumping"—a practice where traders sign employment offers but defect to competing firms at the eleventh hour for superior compensation—reflecting intensifying talent wars across the hedge fund industry.
  • • Millennium, Citadel, Point72 Asset Management, and Balyasny Asset Management are engaged in escalating bidding competitions for elite traders from a constrained talent pool, with extended gardening leaves (up to 18 months) inadvertently creating windows for rival recruitment.
  • • Legal disputes over trader defections are mounting: Schonfeld Strategic Advisors has sued Millennium portfolio manager Adam Grunfeld, claiming $11 million in damages for breach of employment agreement—signaling that firms are increasingly litigating to enforce non-compete arrangements.
  • • Hedge funds' strategy of tightening non-compete agreements and extending gardening leaves has backfired, as prolonged idle periods provide competitors extended opportunities to poach talent and drive up acquisition costs.
Summary
Macro trader Pablo Duran Steinman has backed out of a second employment agreement with Millennium Management, opting instead to join Citadel in a high-profile defection that underscores intensifying competition for elite hedge fund talent. Steinman completed gardening leave from ExodusPoint Capital Management in 2025 after initially agreeing to join Millennium; however, shortly before his scheduled start date, he reneged on the contract to accept a rival offer from Citadel. This marks the second time Steinman has reversed course on a Millennium commitment—in 2021, he departed Soros Fund Management ostensibly to join Millennium but ultimately accepted a position at ExodusPoint instead.

Steinman's departure exemplifies the phenomenon of "gazumping," wherein traders sign binding offers with one firm but defect to competitors at the final moment for more favorable terms. This practice has become increasingly prevalent as multistrategy hedge fund titans—including Millennium, Citadel, Point72 Asset Management, and Balyasny Asset Management—engage in frenzied bidding wars to recruit from a limited pool of senior traders. The competitive dynamics have grown so acute that disputes have turned litigious, with Schonfeld Strategic Advisors suing Millennium portfolio manager Adam Grunfeld for allegedly breaching his employment agreement, seeking $11 million in damages.

The root cause of this talent acquisition dysfunction traces to hedge funds' defensive strategies implemented over recent years. Firms have systematically tightened non-compete agreements and extended gardening leave periods—sometimes to 18 months—specifically designed to insulate departing traders from immediate competition. However, this approach has produced counterintuitive consequences: the longer a trader remains idle during gardening leave, the greater the opportunity window for rival firms to pursue recruitment, and paradoxically, the trader's perceived market value increases as departure restrictions near expiration. This dynamic has transformed gardening leave from a retention mechanism into an extended recruitment window for competitors, ultimately incentivizing traders to renege and intensifying the overall cost and volatility of talent acquisition across the industry.

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Sources

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

Bloomberg Hedge fund trader ‘gazumps’ Millennium again to join Citadel