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Millennium Founder’s Ruthless Trading Rule

Reported by Sharecafe
Nov 12, 2026· 2 min read
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Key Takeaways
  • • Izzy Englander, founder of Millennium Management, a firm cited as managing roughly $100 billion, reportedly enforces a strict no-attachment trading rule: if a trader resists selling a position, he sells it and fires the trader.
  • • The rule was recounted secondhand by long-time friend and fund manager Ron Baron, per the primary source, and was delivered at a private dinner.
  • • The anecdote underscores Millennium's emphasis on unemotional, disciplined risk management across its multi-strategy trading desks.
Summary
Izzy Englander, founder of Millennium Management, has offered a rare look at the discipline governing his firm's trading philosophy, according to a Sharecafe report. Millennium is described as a global investment management firm running a multi-strategy approach across asset classes to pursue absolute returns. The report cites a $US100 billion figure for the firm.

The insight emerged from a private dinner where Englander was reportedly asked how he handles a trader who becomes emotionally attached to a particular stock and resists selling it. According to an account shared by his long-time fund manager friend Ron Baron, Englander replied: "Well, when they go to lunch, I sell it, and when they come back, I fire them." The remark reflects a zero-tolerance policy toward personal bias interfering with objective trading decisions.

The anecdote is consistent with the performance-driven culture typical of large multi-strategy hedge funds, where disciplined, unemotional decision-making is treated as essential. The report frames the remark as a reminder of the results-oriented standard expected of Millennium's traders in pursuit of consistent returns for investors. The account is secondhand and was not presented as a formal policy statement from the firm.

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Sources

1 outlet

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

Sharecafe Millennium Founder’s Ruthless Trading Rule