Follow-The-Filings

Featured 13F manager

Cantillon Capital Management LLC William Von Mueffling

New York, NY 23 processed 13Fs on this site · 2021 Q3–2026 Q2

  • $665M
  • 27 Positions
  • 2026 Q2
  • −95.6% QoQ
  • Top 5 40.2%

Portfolio

2026 Q2 · filed 7/29/2026 · 27 long · top 12 shown

top 5 40.2% · top 10 61.8%

AUM over time

2026 Q2 $665M −95.6% QoQ
2021 Q3 · $14.7B 2021 Q3 · $14.7B
Q3 2021
2021 Q4 · $15.1B · +3.2% QoQ 2021 Q4 · $15.1B · +3.2% QoQ
Q4
2022 Q1 · $14B · −7.5% QoQ 2022 Q1 · $14B · −7.5% QoQ
Q1 2022
2022 Q2 · $12B · −14.5% QoQ 2022 Q2 · $12B · −14.5% QoQ
Q2
2022 Q3 · $11B · −7.8% QoQ 2022 Q3 · $11B · −7.8% QoQ
Q3
2022 Q4 · $11.8B · +6.9% QoQ 2022 Q4 · $11.8B · +6.9% QoQ
Q4
2023 Q1 · $12.3B · +4.0% QoQ 2023 Q1 · $12.3B · +4.0% QoQ
Q1 2023
2023 Q2 · $14.3B · +16.5% QoQ 2023 Q2 · $14.3B · +16.5% QoQ
Q2
2023 Q3 · $13.5B · −5.8% QoQ 2023 Q3 · $13.5B · −5.8% QoQ
Q3
2023 Q4 · $15B · +11.0% QoQ 2023 Q4 · $15B · +11.0% QoQ
Q4
2024 Q1 · $15.9B · +6.2% QoQ 2024 Q1 · $15.9B · +6.2% QoQ
Q1 2024
2024 Q2 · $15B · −5.9% QoQ 2024 Q2 · $15B · −5.9% QoQ
Q2
2024 Q3 · $16.4B · +9.3% QoQ 2024 Q3 · $16.4B · +9.3% QoQ
Q3
2024 Q4 · $16.5B · +1.2% QoQ 2024 Q4 · $16.5B · +1.2% QoQ
Q4
2025 Q1 · $15.4B · −6.7% QoQ 2025 Q1 · $15.4B · −6.7% QoQ
Q1 2025
2025 Q2 · $17.3B · +12.0% QoQ 2025 Q2 · $17.3B · +12.0% QoQ
Q2
2025 Q3 · $18.2B · +5.0% QoQ 2025 Q3 · $18.2B · +5.0% QoQ
Q3
2025 Q4 · $18.5B · +1.8% QoQ 2025 Q4 · $18.5B · +1.8% QoQ
Q4
2026 Q1 · $15.1B · −18.6% QoQ 2026 Q1 · $15.1B · −18.6% QoQ
Q1 2026
2026 Q2 · $665M · −95.6% QoQ 2026 Q2 · $665M · −95.6% QoQ
Q2

Book

2024 Q2 2024 Q1 · filed 5 Aug · long equity

AVGO - Broadcom 8.29% Reduce −4.9% 772,077 $1,606 $1.2B −39,610 +$164M
SPGI - S&P Global 5.71% Reduce −7.6% 1,914,339 $446.00 $854M −157,193 −$28M
GOOGL - Alphabet · CL A 5.60% Reduce −4.9% 4,596,412 $182.15 $837M −234,482 +$108M
AMAT - Applied Matls 5.12% Reduce −4.8% 3,242,570 $235.99 $765M −164,780 +$63M
ADI - Analog Devices 4.57% Reduce −4.9% 2,993,452 $228.26 $683M −152,611 +$61M
MSFT - Microsoft 4.11% Reduce −4.9% 1,376,106 $446.95 $615M −70,166 +$7M
V - VISA · CL A 3.73% Reduce −4.9% 2,125,768 $262.47 $558M −108,378 −$66M
TSM - Taiwan Semiconductor Mfg 3.59% Reduce −4.8% 3,085,093 $173.81 $536M −157,221 +$95M
ICE - Intercontinental Exchange 3.33% Reduce −4.8% 3,639,821 $136.89 $498M −185,325 −$27M
EFX - Equifax 3.05% Reduce −4.8% 1,879,834 $242.46 $456M −95,668 −$73M
TMO - Thermo Fisher Scientific 3.04% Reduce −4.8% 822,838 $553.00 $455M −41,876 −$48M
A - Agilent Technologies 2.94% Reduce −4.8% 3,397,504 $129.63 $440M −172,954 −$79M
CBRE - CBRE Group · CL A 2.90% Reduce −4.9% 4,864,291 $89.11 $433M −248,564 −$64M
IBKR - Interactive Brokers · CL A 2.85% Reduce −4.8% 3,478,575 $122.60 $426M −177,129 +$18M
BLK - Blackrock 2.69% Add +6.8% 511,689 $787.32 $403M +32,772 +$4M
IQV - IQVIA 2.68% Add +7.2% 1,895,129 $211.44 $401M +127,789 −$46M
AMT - American Tower 2.59% Reduce −4.8% 1,995,205 $194.38 $388M −101,165 −$26M
FERG - Ferguson 2.26% Reduce −4.8% 1,746,910 $193.65 $338M −88,693 −$63M
CME - CME Group 2.25% Reduce −4.8% 1,715,313 $196.60 $337M −87,278 −$51M
AON - AON PLC · CL A 2.23% Reduce −4.8% 1,138,262 $293.58 $334M −57,928 −$65M
ENTG - Entegris 2.17% Reduce −4.9% 2,393,863 $135.40 $324M −122,028 −$29M
FAST - Fastenal 2.12% Reduce −4.8% 5,052,136 $62.84 $317M −257,190 −$92M
CDW - CDW Corp 1.98% Reduce −4.8% 1,320,049 $223.84 $295M −67,262 −$59M
SSNC - SS&C Technologies 1.95% Reduce −4.8% 4,643,617 $62.67 $291M −236,646 −$23M
LYV - Live Nation 1.91% Reduce −4.9% 3,049,929 $93.74 $286M −155,765 −$53M
ECL - Ecolab 1.89% Reduce −4.9% 1,190,240 $238.00 $283M −60,680 −$6M
CP - Canadian Pacific 1.79% Reduce −4.9% 3,394,564 $78.73 $267M −173,128 −$47M
ADBE - Adobe 1.63% Reduce −4.3% 439,729 $555.54 $244M −19,986 +$12M
ZTS - Zoetis · CL A 1.54% Reduce −4.8% 1,324,756 $173.36 $230M −67,506 −$6M
MCO - Moodys 1.37% Reduce −4.9% 485,617 $420.93 $204M −24,789 +$4M
TCOM - Trip Group 1.33% New 4,238,875 $47.00 $199M +4,238,875 +$199M
TME - Tencent Music Entmt Group 1.24% New 13,190,802 $14.05 $185M +13,190,802 +$185M
YUM - Yum Brands 1.22% Reduce −4.9% 1,376,350 $132.46 $182M −70,950 −$18M
UBER - UBER Technologies 1.18% New 2,435,442 $72.68 $177M +2,435,442 +$177M
ORCL - Oracle 0.89% Reduce −4.9% 939,977 $141.20 $133M −47,975 +$9M
TW - Tradeweb Mkts · CL A 0.87% Reduce −4.9% 1,228,307 $106.00 $130M −62,772 −$4M
CACC - Credit Accep Mich 0.81% Reduce −4.9% 233,944 $514.68 $120M −11,987 −$15M
Trinet Group 0.51% Reduce −73.9% 763,352 $100.00 $76M −2,166,674 −$312M
FLUT - Flutter Entmt 0.07% New 61,037 $182.36 $11M +61,037 +$11M

Exits / last held

not current holdings · last reported size, unchanged · gone vs 2024 Q1

Stock % of portfolio Recent activity Shares Reported price* Value Share change $ change
ADSK - Autodesk 2.73% Exit 0 $260.42 $435M −1,668,662 −$435M
VRSN - Verisign 2.04% Exit 0 $189.51 $325M −1,715,147 −$325M

* Reported price is value ÷ shares from the 13F as of period end — not a live market quote. Weight % is each long-equity position ÷ full 13F AUM, so rows may not sum to 100% when the filing includes options or other non-equity (excluded from this table). Share change and $ change are vs 2024 Q1. Click column headers to sort · click New / Hold / Add / Reduce to promote that move type to the top. Exit opens the last-held block below.

Filings history

20 periods · normalized AUM · open a period for holdings

Period Holdings AUM QoQ Form Filed Filing ID
2026 Q2 27 $665M −95.6% 13F-HR 7/29/2026 000127993626000005
2026 Q1 38 $15.1B −18.6% 13F-HR 5/7/2026 000127993626000004
2025 Q4 37 $18.5B +1.8% 13F-HR 2/11/2026 000127993626000001
2025 Q3 76 $18.2B RESTATEMENT 2/17/2026 000089914026000221
2025 Q3 38 $18.2B +5.0% 13F-HR 10/30/2025 000127993625000002
2025 Q2 75 $17.3B RESTATEMENT 2/17/2026 000089914026000220
2025 Q2 38 $17.3B +12.0% 13F-HR 7/30/2025 000108514625004326
2025 Q1 74 $15.4B RESTATEMENT 2/17/2026 000089914026000219
2025 Q1 37 $15.4B −6.7% 13F-HR 5/9/2025 000108514625002887
2024 Q4 36 $16.5B +1.2% 13F-HR 2/5/2025 000108514625000819
2024 Q3 38 $16.4B +9.3% 13F-HR 11/7/2024 000108514624005445
2024 Q2 39 $15B −5.9% 13F-HR 8/5/2024 000108514624003487
2024 Q1 37 $15.9B +6.2% 13F-HR 5/8/2024 000108514624002327
2023 Q4 37 $15B +11.0% 13F-HR 2/7/2024 000108514624000806
2023 Q3 39 $13.5B −5.8% 13F-HR 11/6/2023 000108514623004105
2023 Q2 38 $14.3B +16.5% 13F-HR 8/9/2023 000108514623003182
2023 Q1 37 $12.3B +4.0% 13F-HR 5/4/2023 000108514623002054
2022 Q4 39 $11.8B +6.9% 13F-HR 2/6/2023 000108514623000646
2022 Q3 39 $11B −7.8% 13F-HR 11/3/2022 000108514622003752
2022 Q2 39 $12B −14.5% 13F-HR 8/3/2022 000108514622002745
2022 Q1 37 $14B −7.5% 13F-HR 5/3/2022 000108514622001676
2021 Q4 38 $15.1B +3.2% 13F-HR 1/27/2022 000108514622000359
2021 Q3 37 $14.7B 13F-HR 10/26/2021 000108514621002904

About

CANTILLON CAPITAL MANAGEMENT LLC

23 processed 13Fs on this site · 2021 Q3–2026 Q2

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