# Mousse Partners

Mousse Partners is a Single Family Office based in New York, United States.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** New York, United States
- **Region:** North America
- **Address:** New York, NY, United States
- **Founded:** 1991
- **Assets under management:** Undisclosed
- **Website:** moussepartners.com
- **LinkedIn:** https://www.linkedin.com/company/moussepartners/

## Regulatory record

- **Reports private funds:** No

## About

Mousse Partners is the investment division of Mousse Investments Limited (formerly Litor Limited), a Cayman Islands-based diversified investment firm established in 1979 whose portfolio includes Chanel Limited, the parent of the Chanel operating companies (per Mousse Investments Limited website). Mousse Partners oversees a proprietary global portfolio of alternative investments across a broad range of asset classes in public and private markets, pursuing a long-term investment horizon. It prioritizes deep collaborative relationships by partnering with select external investment managers and investing directly alongside high-quality management teams, entrepreneurs, and institutional investors (per Mousse Partners official about page). The firm is based in New York City with investment operations in Beijing and Hong Kong. It is not a registered investment adviser, does not seek or accept third-party clients, and does not provide investment advice to external investors (per official website). Founded in 1991, Mousse Partners serves as the single-family office managing the wealth of Alain and Gérard Wertheimer, controlling shareholders of Chanel. Leadership includes Chairman Charles Heilbronn and President Arthur Heilbronn. The firm maintains a highly discreet profile and does not publicly disclose assets under management figures. Recent activity includes leading investor groups in transactions such as the recapitalization of Rockefeller Capital Management (per official Rockefeller announcement).

## Sectors

- ClimateTech
- Digital Health
- Healthcare Services
- AgriTech & FoodTech
- Luxury
- Sports & Wellness
- FinTech
- Marketing & Sales
- Robotics & Automation

## People

- Charles Heilbronn — Chairman and Founder
- Arthur Heilbronn — President and Co-Head of Private Direct Investments
- Paul Yun — Managing Director and Co-Head of Private Direct Investments
- Megan Bethke — Managing Director and Head of U.S. and European Private Equity Funds

## Questions

### What is Mousse Partners and who does it serve?

Mousse Partners is the proprietary investment division of Mousse Investments Limited and functions as the single-family office for the Wertheimer family (Alain and Gérard Wertheimer), the owners of Chanel. It manages the family's diversified global portfolio and does not accept external capital or clients.

### Where is Mousse Partners headquartered and what is its legal structure?

The firm is based in New York City (Solow Building / 9 West 57th Street) with investment operations in Beijing and Hong Kong. It operates as a division of Mousse Investments Limited (Cayman Islands), formerly known as Litor Limited, and is not a registered investment adviser.

### When was Mousse Partners founded and by whom?

Mousse Partners was founded in 1991 by Charles Heilbronn (half-brother to Alain and Gérard Wertheimer) as the investment arm to manage the family's and Chanel's related wealth. The parent Mousse Investments Limited was established in 1979.

### Does Mousse Partners disclose its assets under management (AUM)?

No. As a private single-family office managing proprietary capital, Mousse Partners does not publicly disclose AUM figures. Third-party estimates commonly place it around $89 billion.

### What is the investment approach of Mousse Partners?

The firm invests across a broad range of asset classes including private equity, venture capital, real estate, credit, and public markets with a long-term horizon. It partners with external managers and makes direct investments alongside management teams and entrepreneurs while remaining highly selective and discreet.

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Last updated: 2026-07-17T21:22:54.000Z

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