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William Von Mueffling

Cantillon Capital Management

Cantillon Capital Management Portfolio 13F

William Von Mueffling Holdings Activity

Portfolio value:
$18.16B≈ (+$865M≈)
Previous value:
$17.30B≈
# of changes:
39
New positions:
1
Reported for:
30 Sep 2025 (Q3)
Latest filing date:
17 Feb 2026
Cantillon Capital Management has disclosed a total of 39 changes to the portfolio in the (2025 Q3) SEC report(s): increased the number of shares of 4, bought 1 totally new, decreased the number of shares of 33 and completely sold out 1 position(s).

What stocks did William Von Mueffling buy in 2025 Q3?

During 2025 Q3 William Von Mueffling has purchased 5 securities: (IQV) IQVIA Holdings Inc (added shares +27.30%), (ADBE) Adobe Systems Incorporated (added shares +16.77%), (TCOM) Trip.com Group Ltd ADR (added shares +12.42%), (TW) Tradeweb Markets Inc (added shares +71.19%) and (FWONK) Liberty Media Corp Series C Liberty Formula One (new buy).

What did William Von Mueffling invest in during 2025 Q3?

William Von Mueffling's top 5 holdings (by % of portfolio) were (AVGO) Broadcom Inc (8.54%), (GOOGL) Alphabet Inc, CL-A (5.60%), (IBKR) Interactive Brokers Group Inc (4.80%), (SPGI) S&P Global Inc (4.67%) and (TSM) Taiwan Semiconductor Manufacturing (4.32%).
In the 2025 Q3 report(s) the following changes have been made to the top investments: (AVGO) Broadcom Inc (reduced shares -14.25%), (GOOGL) Alphabet Inc, CL-A (reduced shares -1.09%), (IBKR) Interactive Brokers Group Inc (reduced shares -1.09%), (SPGI) S&P Global Inc (reduced shares -1.09%) and (TSM) Taiwan Semiconductor Manufacturing (reduced shares -1.09%).
* Shares, change to shares, sold shares, shares held after: split-adjusted.
* Reported price: this doesn't represent the actual buy or sell price. It is the split-adjusted price of the security as of the last day of the reported period.
* Current price: this can be a delayed price and may not reflect the real-time market value, however it is too close.
* Value or Price: If the security is completely sold out, we show the reported value (or price) prior to the actual period.
* Held since / Held for: calculated since the latest "new buy" position. If the security was previously exited and re-entered, only the most recent holding period is counted.