Manager

William Von Mueffling

SEC filing name: CANTILLON CAPITAL MANAGEMENT LLC

All 13F filings

Notable person
William Von Mueffling
SEC filing name
CANTILLON CAPITAL MANAGEMENT LLC
Location
New York, NY
CIK
0001279936
All SEC filings
View on sec.gov

AUM over time

13F holdings value ($ millions)

showing latest · scroll left for older quarters

Portfolio

Latest Disclosed Portfolio

2026 Q1 · filed 5/7/2026 · 38 long positions · top 12 shown

  1. BROADCOM INC - AVGO 8.3%
  2. ALPHABET INC - GOOGL 7.1%
  3. TAIWAN SEMICONDUCTOR MANUFAC - TSM 5.6%
  4. INTERACTIVE BROKERS GROUP IN - IBKR 5.0%
  5. S&P GLOBAL INC - SPGI 4.4%
  6. ANALOG DEVICES INC - ADI 4.0%
  7. CBRE GROUP INC 3.5%
  8. APPLIED MATLS INC - AMAT 3.5%
  9. VISA INC - V 3.5%
  10. INTERCONTINENTAL EXCHANGE IN - ICE 3.1%
  11. BLACKROCK INC - BLK 2.9%
  12. MICROSOFT CORP - MSFT 2.7%
  13. Other 46.4%

This quarter’s activity

2026 Q1 vs 2025 Q4 · filed 5/7/2026

all activity → full comparison →
Action Issuer Δ Shares Δ Port %
Reduce FLUTTER ENTMT PLC -888,249 -1.70 pp
Reduce BROADCOM INC -548,299 -0.28 pp
Reduce S&P GLOBAL INC -208,321 -0.59 pp
Reduce ALPHABET INC -500,173 -0.04 pp
Reduce APPLIED MATLS INC -1,451,818 -0.68 pp
New SPOTIFY TECHNOLOGY S A +439,353 +1.42 pp
Reduce TENCENT MUSIC ENTMT GROUP -5,325,907 -0.95 pp
Reduce MICROSOFT CORP -149,754 -0.56 pp
Reduce CBRE GROUP INC -528,610 -0.34 pp
Reduce VISA INC -231,330 -0.25 pp
Reduce ADOBE INC -137,527 -0.54 pp
Reduce IQVIA HLDGS INC -230,248 -0.43 pp
Filing ID Report period Holdings Value ($000) Form type Date filed Name
000127993626000004 Q1 2026 38 15,050,978,966 13F-HR 5/7/2026 CANTILLON CAPITAL MANAGEMENT LLC
000127993626000001 Q4 2025 37 18,493,573,387 13F-HR 2/11/2026 CANTILLON CAPITAL MANAGEMENT LLC
000089914026000221 Q3 2025 76 18,162,382,853 RESTATEMENT 2/17/2026 CANTILLON CAPITAL MANAGEMENT LLC
000127993625000002 Q3 2025 38 18,162,382,853 13F-HR 10/30/2025 CANTILLON CAPITAL MANAGEMENT LLC
000089914026000220 Q2 2025 75 17,297,602,151 RESTATEMENT 2/17/2026 CANTILLON CAPITAL MANAGEMENT LLC
000108514625004326 Q2 2025 38 17,297,602,151 13F-HR 7/30/2025 CANTILLON CAPITAL MANAGEMENT LLC
000089914026000219 Q1 2025 74 15,442,294,301 RESTATEMENT 2/17/2026 CANTILLON CAPITAL MANAGEMENT LLC
000108514625002887 Q1 2025 37 15,442,294,301 13F-HR 5/9/2025 CANTILLON CAPITAL MANAGEMENT LLC
000108514625000819 Q4 2024 36 16,547,115,112 13F-HR 2/5/2025 CANTILLON CAPITAL MANAGEMENT LLC
000108514624005445 Q3 2024 38 16,353,138,348 13F-HR 11/7/2024 CANTILLON CAPITAL MANAGEMENT LLC
000108514624003487 Q2 2024 39 14,956,414,350 13F-HR 8/5/2024 CANTILLON CAPITAL MANAGEMENT LLC
000108514624002327 Q1 2024 37 15,900,292,591 13F-HR 5/8/2024 CANTILLON CAPITAL MANAGEMENT LLC
000108514624000806 Q4 2023 37 14,967,145,372 13F-HR 2/7/2024 CANTILLON CAPITAL MANAGEMENT LLC
000108514623004105 Q3 2023 39 13,481,487,557 13F-HR 11/6/2023 CANTILLON CAPITAL MANAGEMENT LLC
000108514623003182 Q2 2023 38 14,305,667,275 13F-HR 8/9/2023 CANTILLON CAPITAL MANAGEMENT LLC
000108514623002054 Q1 2023 37 12,279,394,818 13F-HR 5/4/2023 CANTILLON CAPITAL MANAGEMENT LLC
000108514623000646 Q4 2022 39 11,807,418,712 13F-HR 2/6/2023 CANTILLON CAPITAL MANAGEMENT LLC
000108514622003752 Q3 2022 39 11,041,167 13F-HR 11/3/2022 CANTILLON CAPITAL MANAGEMENT LLC
000108514622002745 Q2 2022 39 11,980,240 13F-HR 8/3/2022 CANTILLON CAPITAL MANAGEMENT LLC
000108514622001676 Q1 2022 37 14,005,402 13F-HR 5/3/2022 CANTILLON CAPITAL MANAGEMENT LLC
000108514622000359 Q4 2021 38 15,138,909 13F-HR 1/27/2022 CANTILLON CAPITAL MANAGEMENT LLC
000108514621002904 Q3 2021 37 14,665,728 13F-HR 10/26/2021 CANTILLON CAPITAL MANAGEMENT LLC
000108514621002094 Q2 2021 38 14,847,562 13F-HR 7/27/2021 CANTILLON CAPITAL MANAGEMENT LLC
000108514621001412 Q1 2021 39 13,736,987 13F-HR 5/3/2021 CANTILLON CAPITAL MANAGEMENT LLC
000108514621000428 Q4 2020 36 13,336,501 13F-HR 2/3/2021 CANTILLON CAPITAL MANAGEMENT LLC
000108514620002707 Q3 2020 36 11,959,951 13F-HR 10/30/2020 CANTILLON CAPITAL MANAGEMENT LLC
000108514620001943 Q2 2020 36 11,511,177 13F-HR 7/31/2020 CANTILLON CAPITAL MANAGEMENT LLC
000127993620000006 Q1 2020 36 9,044,604 13F-HR 4/30/2020 CANTILLON CAPITAL MANAGEMENT LLC
000127993620000002 Q4 2019 34 10,753,308 13F-HR 2/7/2020 CANTILLON CAPITAL MANAGEMENT LLC
000127993619000011 Q3 2019 33 10,286,687 13F-HR 11/4/2019 CANTILLON CAPITAL MANAGEMENT LLC
000127993619000009 Q2 2019 32 9,896,914 13F-HR 7/26/2019 CANTILLON CAPITAL MANAGEMENT LLC
000127993619000006 Q1 2019 32 9,408,176 13F-HR 5/1/2019 CANTILLON CAPITAL MANAGEMENT LLC