Cantillon Capital Management: Q4 2025 Portfolio Activity Analysis

As of December 31, 2025, William Von Mueffling's portfolio managed by Cantillon Capital Management held a total value of $18.5 billion. This comprehensive analysis examines observable changes in the portfolio during the fourth quarter of 2025, focusing on increases, decreases, and stable positions.

The portfolio's Technology sector allocation, which represented approximately 26.4% of the total holdings ($4.9 billion), experienced mixed activity. Broadcom Inc. (AVGO) saw a slight decrease in shares (-2.03%), while several other Technology stocks, including TSM (Taiwan Semiconductor Manufacturing), AMAT (Applied Materials), Analog Devices (ADI), and Microsoft (MSFT), all increased their share count by approximately 0.76% during the quarter.

In the Financial Services sector, which accounted for about 18.1% of the portfolio ($3.4 billion), several holdings showed activity. S&P Global (SPGI) and Interactive Brokers Group (IBKR) increased their share count by approximately 0.76%. However, Visa Inc. (V) also saw a small increase, and CBRE Group (CBRE) increased its position by the same percentage. Notably, no Financial Services holdings were fully exited during this period.

Across all sectors, the most significant change was the slight reduction in Broadcom Inc. (AVGO) shares (-2.03%). All other analyzed holdings either maintained their share count (effectively a 0.00% change) or increased it by approximately 0.76%. No new positions were disclosed, and no positions were fully exited during this quarter.

For detailed information on William Von Mueffling's investment strategy and holdings, visit the Cantillon Capital Management investor profile. For specific data on the companies discussed, such as Broadcom Inc. (AVGO), please refer to their respective profiles on InsiderSet.