Master Profile

William Von Mueffling: Investment Profile & 13F Holdings

Cantillon Capital Management

William Von Mueffling's investment career, philosophy, and public 13F holdings through Cantillon Capital Management.

Early Life and Education

William von Mueffling was born in Munich, Germany, to a prominent family—his father a German banker and his mother an American. From a young age he demonstrated an adaptability across cultures. Education: He is a double alumnus of Columbia University. He first earned a Bachelor of Arts from Columbia College and then an MBA from Columbia Business School. Academic ties: He maintains deep ties to his alma mater, having long served as chairman of the advisory board of the Heilbrunn Center for Graham & Dodd Investing at Columbia Business School, a role that profoundly shaped his later value-investing orientation.

Investment Career

William von Mueffling began his career as a 'boy wonder' trader and over the following decades successfully transformed into a steady long-term investor. The Lazard years: While at Lazard Asset Management, he shot to fame managing the Lazard European Opportunities hedge fund. During the dot-com bust (2000–2003), he achieved annualised returns of roughly 30% by precisely shorting technology stocks, earning him the label of Wunderkind from Forbes. Founding Cantillon: In 2003, he left Lazard to launch his own firm, Cantillon Capital Management. A major shift: In 2009, he stunned the industry by shutting his hedge fund (long/short strategy), returning billions of dollars of outside capital, and moving to a long-only, long-duration equity strategy. The change marked his definitive shift from an aggressive hedge-fund manager to a long-term holder focused on compounding.

Investment Philosophy

William von Mueffling’s investment philosophy is deeply rooted in value investing but places particular emphasis on a company’s financial productivity. Sustainable Financial Productivity (SFP): His core idea is to find companies that possess Sustainable Financial Productivity (SFP). He believes that, over the long term, share price performance is directly linked to a company’s ability to sustain high returns on invested capital (ROIC). Moat and intrinsic value: He focuses on businesses with wide moats (pricing power, high barriers to entry), stable free cash flow generation, and share prices below intrinsic value. Portfolio construction: His portfolio is typically highly concentrated, holding a small number of names with extremely low turnover, reflecting a high degree of conviction in the long-term growth capacity of the chosen companies. Abandoning short selling: He has publicly noted that short-selling is extremely difficult in markets characterised by secular bull runs and frequent policy intervention, leading him to turn to a purer value-discovery strategy.

Personal Life

Beyond investing, William von Mueffling is actively engaged in public affairs and philanthropy. Philanthropy and public service: He serves on the advisory board of The Hamilton Project at the Brookings Institution, an initiative that promotes broad-based economic growth. He also formerly chaired the board of trustees of the Buckley School, a well-known private school in New York. Family: He lives in New York with his wife, Clémence von Mueffling. Civic engagement: To encourage civic participation, he founded the non-profit website WhoIsOnTheBallot.org, which helps New Yorkers more easily access voting information.

Books and Writings

William von Mueffling has not written a traditional investment book; his 'works' manifest instead in media productions, support for public-policy white papers, and in-depth industry interviews. Documentary production: He has served as executive producer on several socially conscious documentaries, including the environmental film Racing Extinction (2015) and the political gerrymandering documentary Slay the Dragon (2019). Thought leadership: His investment ideas are disseminated primarily through Columbia’s Graham & Doddsville newsletter and industry white papers. He is a key supporter and intellectual contributor to Columbia’s value investing program.