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Cantillon Capital Management 13F Portfolio ยท William von Mueffling

Portfolio Manager
William von Mueffling
Performance
+16.17% (2026 Q2)
AUM (13F)
$665.11M
# of Holdings
27
Performance Rank
Allocation (Top 20)
88.71%
Latest filing
Q2 2026

Cantillon Capital Management LLC Holdings Map

Top 27 Cantillon Capital Management LLC Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
AVGO
BROADCOM INC
10.61%186.8K$70.5M
-95.40%(-3.87M)
2025-Q2: 5.48M shares2025-Q3: 4.70M shares2025-Q4: 4.60M shares2026-Q1: 4.06M shares2026-Q2: 186.8K shares
$29.45(+1236.95%)
2026-06-30
GOOGL
ALPHABET INC
9.19%171.1K$61.1M
-95.40%(-3.54M)
2025-Q2: 4.23M shares2025-Q3: 4.18M shares2025-Q4: 4.22M shares2026-Q1: 3.72M shares2026-Q2: 171.1K shares
$48.13(+616.26%)
2026-06-30
TSM
TAIWAN SEMICONDUCTOR MANUFAC
8.24%114.8K$54.8M
-95.40%(-2.38M)
2025-Q2: 2.84M shares2025-Q3: 2.81M shares2025-Q4: 2.83M shares2026-Q1: 2.49M shares2026-Q2: 114.8K shares
$46.62(+815.64%)
2026-06-30
IBKR
INTERACTIVE BROKERS GROUP IN
6.78%517.8K$45.1M
-95.40%(-10.73M)
2025-Q2: 12.80M shares2025-Q3: 12.66M shares2025-Q4: 12.76M shares2026-Q1: 11.25M shares2026-Q2: 517.8K shares
$14.62(+544.88%)
2026-06-30
AMAT
APPLIED MATLS INC
5.45%50.2K$36.3M
-96.70%(-1.47M)
2025-Q2: 2.98M shares2025-Q3: 2.95M shares2025-Q4: 2.97M shares2026-Q1: 1.52M shares2026-Q2: 50.2K shares
$62.63(+749.10%)
2026-06-30
ADI
ANALOG DEVICES INC
5.26%88.0K$35.0M
-95.40%(-1.82M)
2025-Q2: 2.18M shares2025-Q3: 2.15M shares2025-Q4: 2.17M shares2026-Q1: 1.91M shares2026-Q2: 88.0K shares
$55.31(+610.46%)
2026-06-30
SPGI
S&P GLOBAL INC
4.36%71.2K$29.0M
-95.40%(-1.48M)
2025-Q2: 1.76M shares2025-Q3: 1.74M shares2025-Q4: 1.76M shares2026-Q1: 1.55M shares2026-Q2: 71.2K shares
$138.70(+199.68%)
2026-06-30
V
VISA INC
4.31%83.6K$28.7M
-95.13%(-1.63M)
2025-Q2: 1.96M shares2025-Q3: 1.93M shares2025-Q4: 1.95M shares2026-Q1: 1.72M shares2026-Q2: 83.6K shares
$67.73(+434.43%)
2026-06-30
MSFT
MICROSOFT CORP
3.86%68.9K$25.7M
-93.81%(-1.04M)
2025-Q2: 1.27M shares2025-Q3: 1.25M shares2025-Q4: 1.26M shares2026-Q1: 1.11M shares2026-Q2: 68.9K shares
$227.90(+113.28%)
2026-06-30
CBRE
CBRE GROUP INC
3.67%181.1K$24.4M
-95.39%(-3.75M)
2025-Q2: 4.48M shares2025-Q3: 4.43M shares2025-Q4: 4.46M shares2026-Q1: 3.93M shares2026-Q2: 181.1K shares
$43.68(+249.97%)
2026-06-30

About Cantillon Capital Management LLCโ€™s portfolio

Cantillon Capital Management LLC reports $665.11M in US-listed equity holdings across 27 positions in its most recent 13F filing. Its largest disclosed positions are AVGO (10.6%), GOOGL (9.2%) and TSM (8.2%). The top 20 holdings account for 88.71% of reported assets. Its disclosed equity book has returned +68.80% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
AVGO โ€” 10.6% ($70.55M)GOOGL โ€” 9.2% ($61.13M)TSM โ€” 8.2% ($54.83M)IBKR โ€” 6.8% ($45.07M)AMAT โ€” 5.5% ($36.28M)ADI โ€” 5.3% ($34.96M)SPGI โ€” 4.4% ($29.02M)V โ€” 4.3% ($28.70M)MSFT โ€” 3.9% ($25.70M)CBRE โ€” 3.7% ($24.39M)Other โ€” 38.3% ($254.48M)
62%in top 10
  • AVGO10.6%
  • GOOGL9.2%
  • TSM8.2%
  • IBKR6.8%
  • AMAT5.5%
  • ADI5.3%
  • SPGI4.4%
  • V4.3%
  • MSFT3.9%
  • CBRE3.7%
  • Other38.3%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

Trimmed
27
AVGOBROADCOM INC-95.4%
GOOGLALPHABET INC-95.4%
TSMTAIWAN SEMICONDUCTOR MANUFAC-95.4%
AMATAPPLIED MATLS INC-96.7%
+23 more

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Source filings

Holdings on this page are parsed from Cantillon Capital Management LLCโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1279936). View Cantillon Capital Management LLCโ€™s 13F filings on SEC

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