Skip to main content
Focused investors/William Von Mueffling

William Von Mueffling - Cantillon Capital Management

As of Q1 2026, this manager reported 38 long-equity positions worth $15.05B in aggregate.

As of Q1 2026, William Von Mueffling's Cantillon Capital Management held 38 long-equity positions with a reported value of $15.05B.

Get email alerts when William Von Mueffling files a new 13F — sign in or create a free account.

Updated 2026-06-06 from SEC 13F data.

Live quotes available for 37 of 39 rows. Rows without a quote are marked unavailable.

1AVGOBROADCOM INC8.62%Reduce -2.0%4,604,301$1.59B$346.1052w: $138.10 - $414.61; reported $346.10
2GOOGLALPHABET INC7.13%Add +0.8%4,215,234$1.32B$313.0052w: $140.53 - $328.83; reported $313.00
3SPGIS&P GLOBAL INC4.96%Add +0.8%1,755,624$917.47M$522.5952w: $427.14 - $579.05; reported $522.59
4TSMTAIWAN SEMICONDUCTOR MFG LTD4.65%Add +0.8%2,829,278$859.79M$303.8952w: $134.25 - $313.98; reported $303.89
5IBKRINTERACTIVE BROKERS GROUP IN4.44%Add +0.8%12,759,904$820.59M$64.3152w: $32.82 - $73.35; reported $64.31
6AMATAPPLIED MATLS INC4.13%Add +0.8%2,973,661$764.2M$256.9952w: $123.74 - $276.10; reported $256.99
7CBRECBRE GROUP INC3.88%Add +0.8%4,460,586$717.22M$160.7952w: $108.45 - $171.00; reported $160.79
8VVISA INC3.70%Add +0.8%1,949,488$683.7M$350.7152w: $299.00 - $375.51; reported $350.71
9MSFTMICROSOFT CORP3.30%Add +0.8%1,262,019$610.34M$483.6252w: $344.79 - $555.45; reported $483.62
10ADIANALOG DEVICES INC3.18%Add +0.8%2,168,792$588.18M$271.2052w: $158.65 - $284.23; reported $271.20
11BLKBLACKROCK INC2.98%Add +0.8%514,252$550.42M$1070.3452w: $773.74 - $1219.94; reported $1070.34
12ICEINTERCONTINENTAL EXCHANGE IN2.92%Add +0.8%3,337,982$540.62M$161.9652w: $142.29 - $189.35; reported $161.96
13TMOTHERMO FISHER SCIENTIFIC INC2.74%Add +0.8%873,322$506.05M$579.4552w: $385.46 - $610.97; reported $579.45
14FLUTFLUTTER ENTMT PLC2.63%Add +0.8%2,264,025$486.86M$215.0452w: $189.33 - $313.69; reported $215.04
15FERGFERGUSON ENTERPRISES INC2.39%Add +0.8%1,984,854$441.89M$222.6352w: $146.00 - $256.93; reported $222.63
16AONAON PLC2.37%Add +0.8%1,243,018$438.64M$352.8852w: $323.73 - $412.97; reported $352.88
17IQVIQVIA HLDGS INC2.37%Add +0.7%1,941,144$437.55M$225.4152w: $134.65 - $234.30; reported $225.41
18CMECME GROUP INC2.32%Add +0.8%1,573,017$429.56M$273.0852w: $224.62 - $290.79; reported $273.08
19AAGILENT TECHNOLOGIES INC2.29%Add +0.8%3,115,638$423.94M$136.0752w: $96.43 - $160.27; reported $136.07
20UBERUBER TECHNOLOGIES INC2.27%Add +0.8%5,140,663$420.04M$81.7152w: $60.63 - $101.99; reported $81.71
21ADBEADOBE INC2.19%Add +15.7%1,157,237$405.02M$349.9952w: $311.59 - $465.70; reported $349.99
22LYVLIVE NATION ENTERTAINMENT IN2.16%Add +0.8%2,797,205$398.6M$142.5052w: $112.88 - $175.25; reported $142.50
23EFXEQUIFAX INC2.02%Add +0.8%1,723,998$374.07M$216.9852w: $199.98 - $281.07; reported $216.98
24SSNCSS&C TECHNOLOGIES HLDGS INC2.01%Add +0.8%4,258,493$372.28M$87.4252w: $69.61 - $91.07; reported $87.42
25FASTFASTENAL CO2.01%Add +0.8%9,266,888$371.88M$40.1352w: $35.30 - $50.63; reported $40.13
26TCOMTRIP COM GROUP LTD1.82%Add +1.4%4,669,778$335.8M$71.9152w: $51.35 - $78.65; reported $71.91
27TMETENCENT MUSIC ENTMT GROUP1.77%Add +1.4%18,708,502$327.96M$17.5352w: $10.26 - $26.70; reported $17.53
28AMTAMERICAN TOWER CORP NEW1.74%Add +0.8%1,830,525$321.39M$175.5752w: $170.77 - $234.33; reported $175.57
29YUMYUM BRANDS INC1.68%Add +0.8%2,055,883$311.01M$151.2852w: $122.13 - $163.30; reported $151.28
30CPCANADIAN PACIFIC KANSAS CITY1.68%Add +0.8%4,207,858$309.82M$73.6352w: $66.49 - $83.65; reported $73.63
31TWTRADEWEB MKTS INC1.56%Add +39.0%2,688,245$289.09M$107.5452w: $101.70 - $152.65; reported $107.54
32MCOMOODYS CORP1.23%Add +0.8%445,400$227.53M$510.8552w: $378.71 - $531.93; reported $510.85
33ALCALCON AG1.21%Add +0.8%2,845,121$224.22M$78.8152w: $71.55 - $99.20; reported $78.81
34ENTGENTEGRIS INC1.12%Add +0.8%2,459,153$207.18M$84.2552w: $60.75 - $110.46; reported $84.25
35FWONKLIBERTY MEDIA CORP DEL0.91%Add +46.4%1,706,899$168.15M$98.5152w: $75.26 - $109.36; reported $98.51
36ORCLORACLE CORP0.91%Add +0.8%860,677$167.75M$194.9152w: $118.86 - $345.72; reported $194.91
37LPLALPL FINL HLDGS INC0.71%New369,068$131.82M$357.1752w: $262.83 - $403.58; reported $357.17
39ZTSZOETIS INC-Sold0$0No quoteNo quote
38ECLECOLAB INC-Sold0$0No quoteNo quote