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Cantillon Capital Management LLC
William von Mueffling · Asset Manager · Value
Cantillon Capital Management LLC is an independent investment management firm founded in 2003 by William von Mueffling and headquartered in New York City. The firm specializes in managing concentrated global and international equity portfolios for a diverse range of institutional clients, including pension plans, endowments, and foundations. Originally known for its high-performing long/short hedge fund strategies, Cantillon underwent a significant transition in 2009 to focus exclusively on a long-only global equity strategy. The firm is recognized for its disciplined, fundamental research and a long-term investment horizon, managing approximately $21 billion in assets. Cantillon maintains a lean organizational structure and focuses on delivering superior risk-adjusted returns through a single, high-conviction investment approach that emphasizes business quality, financial productivity, and capital preservation.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +12.6% |
| YTD return | +7.6% |
| Sharpe ratio | 3.98 |
| Win rate | 38% |
| AUM | $1.3B |
| Inception | Oct 1, 2025 |
| Updated | Sep 21, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $1.3B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | https://www.cantillon.com |
Current Holdings
Updated on Sep 21, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| RELX | Relx PLC ADR | 38.3% | -6.8% |
| CMPGY | Compass Group PLC ADR | 18.4% | 0.0% |
| AVGO | Broadcom Inc | 5.2% | +5.9% |
| GOOGL | Alphabet Inc Class A | 4.3% | +38.2% |
| TSM | Taiwan Semiconductor Manufacturing | 3.8% | +46.0% |
| IBKR | Interactive Brokers Group Inc | 3.5% | +29.2% |
| ATDRY | Auto Trader Group PLC ADR | 3.3% | 0.0% |
| MSFT | Microsoft Corporation | 2.6% | +1.7% |
| ADI | Analog Devices Inc | 2.4% | +53.7% |
| V | Visa Inc. Class A | 2.3% | +7.3% |
| SPGI | S&P Global Inc | 2.3% | -15.3% |
| CBRE | CBRE Group Inc Class A | 1.9% | -7.8% |
| AMAT | Applied Materials Inc | 1.7% | +73.7% |
| BLK | BlackRock Inc | 1.7% | -3.0% |
| ICE | Intercontinental Exchange Inc | 1.6% | -3.8% |
| LYV | Live Nation Entertainment Inc | 1.4% | +17.6% |
| A | Agilent Technologies Inc | 1.4% | +19.2% |
| FAST | Fastenal Company | 1.4% | +4.1% |
| FERG | Ferguson Plc | 1.4% | -5.1% |
| CME | CME Group Inc | 1.3% | -0.0% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Sep 14, 2026 | BUY | CME | 0.0% → 1.3% |
| Sep 14, 2026 | SELL | RELX | 38.2% → 38.3% |
| Sep 14, 2026 | BUY | AMAT | 1.9% → 1.7% |
| Sep 14, 2026 | BUY | BLK | 1.7% → 1.7% |
| Sep 14, 2026 | BUY | ADI | 2.5% → 2.4% |
Investment Style Analysis
Cantillon Capital Management LLC is widely recognized for employing a Value strategy. As of Sep 21, 2026, the firm oversees approximately $1.3B in assets under management (AUM). The portfolio demonstrates a clear preference for the Specialty Business Services and Restaurants sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Sep 14, Cantillon Capital Management LLC made a significant move by increasing exposure to CME. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
Cantillon’s investment philosophy is rooted in the belief that there is a direct relationship between a company's long-term sustainable financial productivity and its intrinsic value. The firm employs a bottom-up, research-driven process to identify high-quality businesses with durable competitive advantages, or 'moats,' that allow them to generate high returns on invested capital and consistent cash flows. They seek to purchase these businesses only when they trade at a significant discount to their intrinsic value, as determined by rigorous internal valuation models. Their strategy typically involves maintaining a concentrated portfolio of high-conviction stocks and holding them for the long term, allowing the underlying companies to compound value over time while avoiding the risks and costs associated with excessive portfolio turnover.
Disclaimer
The content provided on this page, including the simulated portfolio performance, holdings analysis, and AI-generated insights, is for informational and educational purposes only. It does not constitute financial advice, investment recommendations, or an offer to buy or sell any securities. All data is derived from historical SEC 13F filings and other public disclosures, which have a reporting lag. The "Simulated Performance" is a hypothetical reconstruction based on past disclosures and does not represent the actual returns of the institution. Past performance is not indicative of future results. Tritonix.ai is not affiliated with Cantillon Capital Management LLC.
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Frequently asked questions
How is the simulated portfolio for Cantillon Capital Management LLC constructed?
This simulation is powered by Tritonix AI using official SEC filings. We focus on the "Best Ideas" by filtering for only the Top 20 largest holdings and rebalancing them to 100%. The simulation tracks performance starting from Oct 1, 2025. Our AI monitors for updates every Monday to capture major shifts. This concentrated approach highlights the manager's true stock-picking skill and mirrors their actual investment returns.
What is Cantillon Capital Management LLC's largest holding?
As of the latest filing, Cantillon Capital Management LLC's top position is Relx PLC ADR (RELX), representing 38.3% of the portfolio. This reflects a high-conviction bet by the institution.
What is Cantillon Capital Management LLC's historical performance and risk profile?
Our simulation indicates a total return of +12.6% with a win rate of 38%. Notably, the portfolio maintains a Sharpe Ratio of 3.98, suggesting an exceptional level of risk-adjusted returns compared to the broader market.
What sectors does Cantillon Capital Management LLC primarily invest in?
Cantillon Capital Management LLC has a strong preference for the Specialty Business Services sector, which makes up 38.3% of their disclosed assets. The portfolio also has exposure to Restaurants, indicating a specific thematic focus.
Is Cantillon Capital Management LLC's portfolio concentrated or diversified?
Cantillon Capital Management LLC runs a moderately concentrated portfolio with 20 disclosed positions. The top 3 holdings alone account for 61.8% of the total portfolio weight, suggesting a strategy that favors broader market exposure.
How has Cantillon Capital Management LLC performed in 2026?
Our AI-simulated model portfolio for Cantillon Capital Management LLC tracks a Year-to-Date (YTD) return of +7.6%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does William von Mueffling manage Cantillon Capital Management LLC directly?
Yes, William von Mueffling serves as the key portfolio manager for Cantillon Capital Management LLC, overseeing the investment strategy and final capital allocation decisions.