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Private company

JWM Partners

Former American hedge fund

JWM Partners LLC was a hedge fund started by John Meriwether after the collapse of Long-Term Capital Management (LTCM) in 1998. LTCM was one of the most spectacular failures of Wall Street, leading to a bailout of around $4 billion that was provided by a consortium of Wall Street banks. Meriwether started the company with initial capital of $250 million with loyal quants and traders like Victor Haghani, Larry Hilibrand, Dick Leahy, Arjun Krishnamachar and Eric Rosenfeld.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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JWM Partners LLC was a hedge fund started by John Meriwether after the collapse of Long-Term Capital Management (LTCM) in 1998. LTCM was one of the most spectacular failures of Wall Street, leading to a bailout of around $4 billion that was provided by a consortium of Wall Street banks. Meriwether started the company with initial capital of $250 million with loyal quants and traders like Victor Haghani, Larry Hilibrand, Dick Leahy, Arjun Krishnamachar and Eric Rosenfeld. As of April 2008, the company had around $1.6 billion in management. Eric Rosenfeld left to start his own fund.2

Sources

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