medallionmen
In 1993, the Medallion Fund stopped accepting money from outside investors. Every dollar that had been contributed by non-employees was returned. The fund became available exclusively to employees of Renaissance Technologies and their families. It has remained closed ever since. No amount of money can buy you in. No
medallionmen
Nobody outside Renaissance Technologies knows. That is the first thing to say and the most important thing to understand. The fund has never published its methods. Former employees are bound by non-disclosure agreements so restrictive that violating them would be financially ruinous. The code is proprietary. The models are
medallionmen
The Efficient Market Hypothesis says you cannot beat the market. Not that it is difficult. Not that it is unlikely. That it is, in a meaningful sense, impossible. Prices reflect all available information. Any apparent edge is either luck, survivorship bias, or compensation for risk you have not properly accounted
medallionmen
Before Jim Simons built the most profitable fund in history, a math professor from Chicago figured out how to beat blackjack. Not with card tricks or gut instinct or the kind of feel-for-the-game mysticism that gamblers have been selling each other for centuries. Edward O. Thorp did
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The hiring thesis at Renaissance Technologies is the most revealing thing about the firm that is publicly known, and it has been hiding in plain sight for decades. Jim Simons did not hire Wall Street people. He did not hire MBA graduates. He did not hire traders, portfolio managers, analysts,
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The most profitable trading operation in the history of finance has been running for over three decades and the outside world’s understanding of how it generates its returns can be summarized in a single honest sentence: we don’t know. Not “we have a general idea.” Not “the broad
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The numbers need to be laid out cold, without narrative, because the narrative instinct is to soften them into something that sounds plausible. They are not plausible. They are real, and the gap between what they describe and what any other investment vehicle in the history of organized finance has
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The question is simple and the honest answers are uncomfortable. Jim Simons was 40 years old, tenured, running one of the best mathematics departments in the country, and permanently attached to a result that would be taught for centuries. He had won. By every metric the mathematical establishment uses to
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Chern-Simons theory is one of the most important mathematical contributions of the twentieth century and almost nobody outside of graduate-level mathematics and theoretical physics has heard of it. This is not because the work is obscure in any meaningful sense. It is because the gap between what the
medallionmen
In 1964, the Institute for Defense Analyses occupied a quiet floor in Princeton, New Jersey, and its primary function was one that most of the mathematicians working there understood implicitly but discussed rarely. The IDA was a Cold War signals intelligence operation. Its clients were the NSA and the Department
medallionmen
Jim Simons made more money than everybody. Not more than most hedge fund managers, or more than most billionaires, or more than most people who are good at math. More than everybody. The Medallion Fund, the vehicle he built inside Renaissance Technologies, has returned 66% gross annually since 1988. After
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The Bellagio pumps 100% outside air through its HVAC system, filtered and climate-controlled to a precision that most office buildings can’t match. The temperature holds steady at 70 degrees year-round. The lighting is engineered to suppress fatigue cues. The ambient noise sits at a level that behavioral