What William Von Mueffling Bought in Q3 2025

Cantillon Capital Management · Quarterly 13F recap as filed with the SEC.

Period: 2025-09-30 · Filed · Historical

$18.16B

Total Value

38

Holdings

1

New Buys

33

Reduced

In Q3 2025, William Von Mueffling reported 38 long equity positions worth $18.16B in their Cantillon Capital Management 13F filing, including 1 new positions (largest: LIBERTY MEDIA CORP DEL COM LIBERTY LLC at $121.8M) and 4 increased positions.

RankTickerCompanySharesValue% PortfolioChange
1AVGOBROADCOM INC COM LLC4699739$1.55B8.54%-14.3%
2GOOGLALPHABET INC CAPITAL STOCK USD0.001 CL A LLC4183532$1.02B5.60%-1.1%
3IBKRINTERACTIVE BROKERS GROUP INC CL COM LLC12664026$871.4M4.80%-1.1%
4SPGIS&P GLOBAL INC COM LLC1742415$848.1M4.67%-1.1%
5TSMADR TAIWAN SEMICONDUCTOR MANUFACTURING A LLC2807971$784.2M4.32%-1.1%
6CBRECBRE GROUP INC CL A CL A LLC4427021$697.5M3.84%-1.1%
7VVISA INC COM CL A STK LLC1934842$660.5M3.64%-1.1%
8MSFTMICROSOFT CORP COM LLC1252524$648.7M3.57%-1.1%
9AMATAPPLIED MATERIALS, INC., COMMON STOCK, LLC2951260$604.2M3.33%-1.1%
10BLKBLACKROCK INC NEW COM LLC510402$595.1M3.28%-1.1%
11FLUTFLUTTER ENTERTAINMENT PLC ORD EUR0.09 LLC2247096$570.8M3.14%-1.1%
12ICEIntercontinental Exchange3312950$558.2M3.07%-1.1%
13ADIANALOG DEVICES, INC., COMMON STOCK, LLC2152518$528.9M2.91%-1.1%
14UBERUBER TECHNOLOGIES INC COM USD0.00001 LLC5102058$499.8M2.75%-1.1%
15LYVLIVE NATION ENTERTAINMENT INC LLC2775959$453.6M2.50%-1.1%
16FASTFASTENAL CO COM LLC9196705$451.0M2.48%-1.1%
17FERGFERGUSON ENTERPRISES INC USD0.0001 LLC1969891$442.4M2.44%-1.1%
18AONAON PLC LLC1233741$439.9M2.42%-1.1%
19EFXEQUIFAX INC COM LLC1711003$438.9M2.42%-1.1%
20TMEADR TENCENT MUSIC ENTMT GROUP ADS LLC18452216$430.7M2.37%-1.3%
21CMECME GROUP INC COM STK LLC1561173$421.8M2.32%-1.1%
22TMOTHERMO FISHER SCIENTIFIC INC COM USD1 LLC866770$420.4M2.31%-1.1%
23AAGILENT TECHNOLOGIES INC COM LLC3092145$396.9M2.19%-1.1%
24SSNCSS&C TECHNOLOGIES HLDGS INC COM LLC4226357$375.1M2.07%-1.1%
25IQVIQVIA HLDGS INC COM USD0.01 LLC1926934$366.0M2.02%+27.3%
26ADBEADOBE INC COM LLC1000308$352.9M1.94%16.8%
27AMTAMERICAN TOWER CORP LLC1815816$349.2M1.92%-1.1%
28TRPCFADR TRIP COM GRP LTD LLC4606141$346.4M1.91%+12.4%
29CPCANADIAN PAC KANS CITY LTD LLC4174009$310.9M1.71%-1.1%
30YUMYUM BRANDS INC COM LLC2040234$310.1M1.71%-1.1%
31ORCLORACLE CORPORATION COM LLC854258$240.3M1.32%-1.1%
32ENTGENTEGRIS INC COM LLC2439719$225.6M1.24%-1.1%
33TWTRADEWEB MKTS INC CL A CL A LLC1934322$214.7M1.18%+71.2%
34MCOMOODYS CORP COM LLC442005$210.6M1.16%-1.1%
35ALCALCON AG COM USD0.04 WI LLC2823322$210.4M1.16%-1.1%
36ZTSZOETIS INC COM USD0.01 CL 'A' LLC1205716$176.4M0.97%-1.1%
37FWONKLIBERTY MEDIA CORP DEL COM LIBERTY LLC1166139$121.8M0.67%NEW
38ECLECOLAB INC COM STK USD1 LLC78513$21.5M0.12%+-92.8%