Cantillon Capital Management

Managed by William von Mueffling

Portfolio value: $665.10M
Holdings: 27
Top 5 weight: 40.26%
Latest filing: Q2 '26 Jun 30

Portfolio

Reported 13F holdings, largest positions first

27holdings

AVGO 10.6%GOOGL 9.19%TSM 8.24%IBKR 6.78%AMAT 5.46%Other 59.74%

Company% PortfolioSharesValue

TCOMTRIPCOM GROUP LTD1.28%214,200$8.50M MCOMOODYS CORP1.23%18,100$8.20M

From the fund's Q2 '26 13F filingWhat is a 13F?

Activity

Buys and sells, quarter by quarter

Jun 30, 2026 filing - 38 moves · 0 buy-side · 38 sell-side

CompanyChangeValue

TMOTHERMO FISHER SCIENTIFIC INCSold$378.30M AONAON PLCSold$353.60M EFXEQUIFAX INCSold$322.60M IQVIQVIA HOLDINGS INCSold$291.80M AMTAMERICAN TOWER CORPSold$278.30M ADBEADOBE INCSold$247.90M ALCALCON INCSold$188.90M FLUTFLUTTER ENTERTAINMENT PLCSold$140.30M TMETENCENT MUSIC ENTERTAINMENT GROUPSold$124.20M LPLALPL FINANCIAL HOLDINGS INCSold$97.70M FWONALIBERTY MEDIA CORPSold$88.10M AVGOBROADCOM INC95%$70.50M GOOGLALPHABET INC95%$61.10M TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD95%$54.80M IBKRINTERACTIVE BROKERS GROUP INC95%$45.10M AMATAPPLIED MATERIALS INC97%$36.30M ADIANALOG DEVICES INC95%$35.00M SPGIS&P GLOBAL INC95%$29.00M VVISA INC95%$28.70M MSFTMICROSOFT CORP94%$25.70M CBRECBRE GROUP INC95%$24.40M LYVLIVE NATION ENTERTAINMENT INC95%$20.80M BLKBLACKROCK INC95%$20.10M FERGFERGUSON ENTERPRISES INC95%$19.10M FASTFASTENAL CO95%$18.10M

Mar 31, 2026 filing - 38 moves · 5 buy-side · 33 sell-side

CompanyChangeValue

AVGOBROADCOM INC12%$1.26B GOOGLALPHABET INC12%$1.07B TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD12%$842.70M IBKRINTERACTIVE BROKERS GROUP INC12%$754.30M SPGIS&P GLOBAL INC12%$658.10M ADIANALOG DEVICES INC12%$608.10M CBRECBRE GROUP INC12%$532.60M AMATAPPLIED MATERIALS INC49%$520.20M VVISA INC12%$519.30M ICEINTERCONTINENTAL EXCHANGE INC12%$462.70M BLKBLACKROCK INC12%$435.90M MSFTMICROSOFT CORP12%$411.70M CMECME GROUP INC12%$409.50M FERGFERGUSON ENTERPRISES INC12%$408.00M FASTFASTENAL CO12%$378.90M TMOTHERMO FISHER SCIENTIFIC INC12%$378.30M LYVLIVE NATION ENTERTAINMENT INC12%$375.90M UBERUBER TECHNOLOGIES INC1%$373.60M AONAON PLC12%$353.60M CPCANADIAN PACIFIC KANSAS CITY LTD3%$341.70M EFXEQUIFAX INC4%$322.60M AAGILENT TECHNOLOGIES INC12%$313.00M IQVIQVIA HOLDINGS INC12%$291.80M YUMYUM BRANDS INC12%$281.70M TWTRADEWEB MARKETS INC12%$278.50M

Dec 31, 2025 filing - 39 moves · 36 buy-side · 3 sell-side

CompanyChangeValue

AVGOBROADCOM INC2%$1.59B GOOGLALPHABET INC1%$1.32B SPGIS&P GLOBAL INC1%$917.50M TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD1%$859.80M IBKRINTERACTIVE BROKERS GROUP INC1%$820.60M AMATAPPLIED MATERIALS INC1%$764.20M CBRECBRE GROUP INC1%$717.20M VVISA INC1%$683.70M MSFTMICROSOFT CORP1%$610.30M ADIANALOG DEVICES INC1%$588.20M BLKBLACKROCK INC1%$550.40M ICEINTERCONTINENTAL EXCHANGE INC1%$540.60M TMOTHERMO FISHER SCIENTIFIC INC1%$506.00M FLUTFLUTTER ENTERTAINMENT PLC1%$486.90M FERGFERGUSON ENTERPRISES INC1%$441.90M AONAON PLC1%$438.60M IQVIQVIA HOLDINGS INC1%$437.60M CMECME GROUP INC1%$429.60M AAGILENT TECHNOLOGIES INC1%$423.90M UBERUBER TECHNOLOGIES INC1%$420.00M ADBEADOBE INC16%$405.00M LYVLIVE NATION ENTERTAINMENT INC1%$398.60M EFXEQUIFAX INC1%$374.10M SSNCSS&C TECHNOLOGIES HOLDINGS INC1%$372.30M FASTFASTENAL CO1%$371.90M

Sep 30, 2025 filing - 39 moves · 5 buy-side · 34 sell-side

CompanyChangeValue

AVGOBROADCOM INC14%$1.55B GOOGLALPHABET INC1%$1.02B IBKRINTERACTIVE BROKERS GROUP INC1%$871.40M SPGIS&P GLOBAL INC1%$848.10M TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD1%$784.20M CBRECBRE GROUP INC1%$697.50M VVISA INC1%$660.50M MSFTMICROSOFT CORP1%$648.70M AMATAPPLIED MATERIALS INC1%$604.20M BLKBLACKROCK INC1%$595.10M FLUTFLUTTER ENTERTAINMENT PLC1%$570.80M ICEINTERCONTINENTAL EXCHANGE INC1%$558.20M ADIANALOG DEVICES INC1%$528.90M UBERUBER TECHNOLOGIES INC1%$499.80M LYVLIVE NATION ENTERTAINMENT INC1%$453.60M FASTFASTENAL CO1%$451.00M FERGFERGUSON ENTERPRISES INC1%$442.40M AONAON PLC1%$439.90M EFXEQUIFAX INC1%$438.90M TMETENCENT MUSIC ENTERTAINMENT GROUP1%$430.70M CMECME GROUP INC1%$421.80M TMOTHERMO FISHER SCIENTIFIC INC1%$420.40M AAGILENT TECHNOLOGIES INC1%$396.90M SSNCSS&C TECHNOLOGIES HOLDINGS INC1%$375.10M IQVIQVIA HOLDINGS INC27%$366.00M

Jun 30, 2025 filing - 38 moves · 9 buy-side · 29 sell-side

CompanyChangeValue

AVGOBROADCOM INC13%$1.51B SPGIS&P GLOBAL INC3%$928.90M GOOGLALPHABET INC3%$745.40M IBKRINTERACTIVE BROKERS GROUP INC289%$709.40M VVISA INC3%$694.50M FLUTFLUTTER ENTERTAINMENT PLC3%$649.20M TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD3%$643.00M MSFTMICROSOFT CORP3%$629.90M CBRECBRE GROUP INC3%$627.20M ICEINTERCONTINENTAL EXCHANGE INC3%$614.50M AMATAPPLIED MATERIALS INC3%$546.20M BLKBLACKROCK INC10%$541.40M ADIANALOG DEVICES INC3%$518.00M UBERUBER TECHNOLOGIES INC3%$481.30M EFXEQUIFAX INC3%$448.70M AONAON PLC3%$445.00M CMECME GROUP INC3%$435.00M FERGFERGUSON ENTERPRISES INC3%$433.70M LYVLIVE NATION ENTERTAINMENT INC3%$424.60M AMTAMERICAN TOWER CORP3%$405.80M FASTFASTENAL CO94%$390.50M AAGILENT TECHNOLOGIES INC3%$368.90M TMETENCENT MUSIC ENTERTAINMENT GROUP3%$364.20M TMOTHERMO FISHER SCIENTIFIC INC3%$355.30M SSNCSS&C TECHNOLOGIES HOLDINGS INC3%$353.80M

Mar 31, 2025 filing - 37 moves · 3 buy-side · 34 sell-side

CompanyChangeValue

AVGOBROADCOM INC14%$1.06B SPGIS&P GLOBAL INC3%$921.10M VVISA INC3%$705.50M GOOGLALPHABET INC3%$673.10M CBRECBRE GROUP INC3%$602.30M ICEINTERCONTINENTAL EXCHANGE INC3%$594.60M IBKRINTERACTIVE BROKERS GROUP INC3%$545.40M FLUTFLUTTER ENTERTAINMENT PLC3%$517.90M AONAON PLC3%$512.30M MSFTMICROSOFT CORP3%$489.20M TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD3%$484.90M ADIANALOG DEVICES INC3%$451.60M TMOTHERMO FISHER SCIENTIFIC INC3%$448.70M AMATAPPLIED MATERIALS INC3%$445.60M BLKBLACKROCK INC3%$442.80M EFXEQUIFAX INC3%$433.60M CMECME GROUP INC3%$430.90M AMTAMERICAN TOWER CORP3%$411.10M UBERUBER TECHNOLOGIES INC31%$386.80M LYVLIVE NATION ENTERTAINMENT INC3%$377.10M AAGILENT TECHNOLOGIES INC3%$376.30M FASTFASTENAL CO3%$371.00M SSNCSS&C TECHNOLOGIES HOLDINGS INC3%$367.30M IQVIQVIA HOLDINGS INC3%$353.40M FERGFERGUSON ENTERPRISES INC3%$328.40M

Dec 31, 2024 filing - 38 moves · 34 buy-side · 4 sell-side

CompanyChangeValue

AVGOBROADCOM INC1%$1.71B SPGIS&P GLOBAL INC1%$930.70M GOOGLALPHABET INC1%$849.40M VVISA INC1%$655.80M CBRECBRE GROUP INC1%$623.40M FLUTFLUTTER ENTERTAINMENT PLC1%$622.90M IBKRINTERACTIVE BROKERS GROUP INC1%$599.90M TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD1%$594.80M MSFTMICROSOFT CORP1%$566.20M ICEINTERCONTINENTAL EXCHANGE INC1%$529.50M AMATAPPLIED MATERIALS INC1%$514.80M BLKBLACKROCK INC1%$495.90M ADIANALOG DEVICES INC1%$490.60M TMOTHERMO FISHER SCIENTIFIC INC16%$483.70M AONAON PLC1%$475.30M EFXEQUIFAX INC1%$467.70M AAGILENT TECHNOLOGIES INC1%$445.50M IQVIQVIA HOLDINGS INC12%$406.00M CMECME GROUP INC1%$388.90M LYVLIVE NATION ENTERTAINMENT INC1%$385.60M FERGFERGUSON ENTERPRISES INC24%$366.50M AMTAMERICAN TOWER CORP1%$357.20M FASTFASTENAL CO1%$354.70M SSNCSS&C TECHNOLOGIES HOLDINGS INC1%$343.50M TCOMTRIPCOM GROUP LTD2%$326.10M

Sep 30, 2024 filing - 39 moves · 9 buy-side · 30 sell-side

CompanyChangeValue

AVGOBROADCOM INC850%$1.26B SPGIS&P GLOBAL INC3%$960.40M GOOGLALPHABET INC3%$740.20M AMATAPPLIED MATERIALS INC3%$636.20M CBRECBRE GROUP INC3%$587.90M MSFTMICROSOFT CORP3%$575.00M FLUTFLUTTER ENTERTAINMENT PLC3,830%$568.90M ICEINTERCONTINENTAL EXCHANGE INC3%$567.80M VVISA INC3%$567.60M EFXEQUIFAX INC3%$536.40M ADIANALOG DEVICES INC23%$528.70M TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD3%$520.30M TMOTHERMO FISHER SCIENTIFIC INC3%$494.20M AAGILENT TECHNOLOGIES INC3%$489.80M IBKRINTERACTIVE BROKERS GROUP INC3%$470.70M BLKBLACKROCK INC4%$464.00M AONAON PLC16%$455.40M AMTAMERICAN TOWER CORP3%$450.50M IQVIQVIA HOLDINGS INC3%$436.10M CMECME GROUP INC3%$367.30M FASTFASTENAL CO3%$350.40M FERGFERGUSON ENTERPRISES INC3%$336.90M SSNCSS&C TECHNOLOGIES HOLDINGS INC3%$334.50M LYVLIVE NATION ENTERTAINMENT INC3%$324.30M CPCANADIAN PACIFIC KANSAS CITY LTD9%$316.90M

Changes are share-count changes vs. the prior quarter

About this investor

Cantillon Capital Management is William von Mueffling's firm, which invests globally in high-quality businesses with strong returns on capital and durable competitive advantages. The approach is research-intensive and concentrated, favoring companies that can compound steadily over many years. Von Mueffling built his reputation running both long and short strategies before focusing on long-term quality.

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