Mousse Partners

Mousse Partners is the investment division of Mousse Investments Limited, serving as a family office to manage the wealth of Alain and Gérard Wertheimer, the owners of Chanel. The firm is headquartered in New York City, with additional offices in Beijing and Hong Kong, and operates globally with a diversified portfolio across various asset classes, including private equity, venture capital, real assets, and public markets. The firm is known for its discretion and long-term investment horizon, focusing on enduring value creation and prudent wealth stewardship across generations. Mousse Partners has been involved in significant investments, such as providing seed capital to Chinese e-commerce firm Hui She Shang (The Luxury Club) and investing in cinema developer Lumiere in China. The firm's leadership includes Charles Heilbronn, a member of the Wertheimer family and executive vice president at Chanel, and his son Arthur Heilbronn, a managing director at Mousse Partners. The firm maintains a disciplined investment approach, allocating capital to support enduring value creation and prudent wealth stewardship across generations. Mousse Partners is considered very secretive, and details about its operations are scarce. The firm has over 36 employees, many of whom have backgrounds in operations such as The Carlyle Group, GIC, and Soros Fund Management. In February 2023, it was reported that the Wertheimer family, through Mousse Partners, were one of the investors involved in the deal to take Rothschild & Co private. In February 2024, according to an employee, Mousse Partners was looking at middle-market leveraged buyout opportunities in Asia. The firm's investment philosophy emphasizes deep and collaborative relationships, partnering with select external investment managers, as well as investing directly alongside high-quality management teams, entrepreneurs, and other institutional investors. Mousse Partners' portfolio spans various industries, including luxury goods, financial services, technology, healthcare, real estate, consumer goods, media, telecommunications, energy, transportation, retail, manufacturing, pharmaceuticals, biotechnology, and agriculture. The firm's investment stages range from early-stage venture capital to late-stage investments, seed funding, and debt financing, with investment sizes typically ranging from $1 million to $50 million.