William Von Mueffling Portfolio Analysis: Top Holdings in Tech and Financial Services
Insights into William Von Mueffling's top holdings as of March 31, 2026, showcasing a focus on Technology and Financial Services sectors.

William Von Mueffling, managing director at Cantillon Capital Management, has built a substantial portfolio worth approximately $15.05 billion as of March 31, 2026. His investment strategy appears heavily concentrated in high-performing sectors, particularly Technology and Financial Services.
Among his top holdings, Broadcom Inc. (AVGO) stands out with a significant allocation of 8.34% of the portfolio. Von Mueffling's stake in AVGO saw a reduction of 11.91% from the previous period, indicating a strategic adjustment in this Technology stock.
Google parent company Alphabet Inc. (GOOGL) is another major holding, representing 7.1% of the portfolio. The investment experienced an 11.87% decrease in shares during the reporting period, aligning with the broader trend observed across many of Von Mueffling's positions.
Taiwan Semiconductor Manufacturing Co. (TSM) allocation stands at 5.6%, while Interactive Brokers Group Inc. (IBKR) holds 5.01%. Both these holdings, along with S&P Global Inc. (SPGI), exhibit the 11.87% share reduction pattern seen in several of Von Mueffling's investments.
The investor's portfolio includes a diverse mix of Technology and Financial Services stocks. Analog Devices Inc. (ADI) at 4.04%, CBRE Group Inc. (CBRE) at 3.54%, and Applied Materials Inc. (AMAT) at 3.46% further diversify the Technology exposure, though AMAT shows a notably steeper decline of 48.82% in shares.
Financial Services representation extends to Visa Inc. (V) at 3.45% and Intercontinental Exchange Inc. (ICE) at 3.07%, both also showing approximately 11.87% share reductions. This suggests a consistent approach to reducing positions across multiple sectors.
For more detailed analysis of William Von Mueffling's investment patterns, you can visit his profile on Insiderset: https://www.insiderset.com/investor/william-von-mueffling-cantillon-capital-management. Detailed information on each holding stock is available at AVGO, GOOGL, TSM, IBKR, SPGI, ADI, CBRE, AMAT, V, and ICE.