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WVM

William von Mueffling Cantillon Capital Management

AUM $665M
1-Year Est. Return 25.91%
 

William von Mueffling is the founder of Cantillon Capital Management, a firm known for concentrated global equity portfolios of high-quality companies. Cantillon’s process emphasizes durable competitive advantages and multi-year holding periods. The firm’s 13F disclosures are tracked by investors seeking institutional quality-growth exposure.

This Fund
S&P 500
This Quarter Est. Return
+8.82%
1 Year Est. Return
+25.91%
3 Year Est. Return
+105.25%
5 Year Est. Return
+112.09%
10 Year Est. Return
+580.93%
AUM
$18.2B
AUM Growth
+$865M
Cap. Flow
-$366M
Cap. Flow %
-2.01%
Top 10 Hldgs %
45.57%
Holding
39
New
1
Increased
4
Reduced
33
Closed
1

Top Buys

Rank Stock Value
1
FWONK icon
Liberty Media Series C
FWONK
+$118M
2
TW icon
Tradeweb Markets
TW
+$103M
3
IQV icon
IQVIA
IQV
+$75.1M
4
ADBE icon
Adobe
ADBE
+$51.5M
5
TCOM icon
Trip.com Group
TCOM
+$34M

Top Sells

Rank Stock Value
1
ECL icon
Ecolab
ECL
+$276M
2
AVGO icon
Broadcom
AVGO
+$240M
3
ICLR icon
Icon
ICLR
+$67.7M
4
SPGI icon
S&P Global
SPGI
+$10.3M
5
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$9.65M

Sector Composition

Rank Sector Weight
1 Technology 31.99%
2 Financials 26.54%
3 Communication Services 11.14%
4 Industrials 9.05%
5 Healthcare 8.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AVGO icon
1
Broadcom
AVGO
$1.75T
$1.55B 8.54%
4,699,739
-781,041
-14% -$240M
GOOGL icon
2
Alphabet (Google) Class A
GOOGL
$4.22T
$1.02B 5.6%
4,183,532
-46,058
-1% -$9.65M
IBKR icon
3
Interactive Brokers
IBKR
$42.5B
$871M 4.8%
12,664,026
-139,605
-1% -$8.78M
SPGI icon
4
S&P Global
SPGI
$127B
$848M 4.67%
1,742,415
-19,189
-1% -$10.3M
TSM icon
5
TSMC
TSM
$2.17T
$784M 4.32%
2,807,971
-30,952
-1% -$7.57M
CBRE icon
6
CBRE Group
CBRE
$44B
$698M 3.84%
4,427,021
-48,802
-1% -$7.55M
V icon
7
Visa
V
$693B
$661M 3.64%
1,934,842
-21,321
-1% -$7.38M
MSFT icon
8
Microsoft
MSFT
$3.59T
$649M 3.57%
1,252,524
-13,800
-1% -$7.04M
AMAT icon
9
Applied Materials
AMAT
$391B
$604M 3.33%
2,951,260
-32,480
-1% -$5.89M
BLK icon
10
Blackrock
BLK
$179B
$595M 3.28%
510,402
-5,625
-1% -$6.29M
FLUT icon
11
Flutter Entertainment
FLUT
$17.8B
$571M 3.14%
2,247,096
-24,761
-1% -$7.25M
ICE icon
12
Intercontinental Exchange
ICE
$90.5B
$558M 3.07%
3,312,950
-36,483
-1% -$6.52M
ADI icon
13
Analog Devices
ADI
$182B
$529M 2.91%
2,152,518
-23,729
-1% -$5.7M
UBER icon
14
Uber
UBER
$161B
$500M 2.75%
5,102,058
-56,168
-1% -$5.25M
LYV icon
15
Live Nation Entertainment
LYV
$42.4B
$454M 2.5%
2,775,959
-30,626
-1% -$4.84M
FAST icon
16
Fastenal
FAST
$58.8B
$451M 2.48%
9,196,705
-101,328
-1% -$4.79M
FERG icon
17
Ferguson
FERG
$46.9B
$442M 2.44%
1,969,891
-21,670
-1% -$4.91M
AON icon
18
Aon
AON
$75.3B
$440M 2.42%
1,233,741
-13,613
-1% -$4.92M
EFX icon
19
Equifax
EFX
$22.6B
$439M 2.42%
1,711,003
-18,768
-1% -$4.72M
TME icon
20
Tencent Music
TME
$14.4B
$431M 2.37%
18,452,216
-235,779
-1% -$5.46M
CME icon
21
CME Group
CME
$98.9B
$422M 2.32%
1,561,173
-17,177
-1% -$4.67M
TMO icon
22
Thermo Fisher Scientific
TMO
$233B
$420M 2.31%
866,770
-9,495
-1% -$4.42M
A icon
23
Agilent Technologies
A
$44.9B
$397M 2.19%
3,092,145
-34,138
-1% -$4.12M
SSNC icon
24
SS&C Technologies
SSNC
$19.5B
$375M 2.07%
4,226,357
-46,590
-1% -$4.03M
IQV icon
25
IQVIA
IQV
$42.8B
$366M 2.02%
1,926,934
+413,256
+27% +$75.1M
1
2

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William von Mueffling's Q3 2025 Portfolio in Review

As of Q3 2025, William von Mueffling held 39 positions worth $18.2B, up 5% from $17.3B the previous quarter. Its ten largest holdings account for 46% of the portfolio.

William von Mueffling's Q3 2025 filing shows 1 new, 4 increased, 33 reduced and 1 closed positions. Its largest new stake was Liberty Media Series C: 1,166,139 shares worth $122M. The largest sale was Ecolab, an estimated $276M.

By sector, the portfolio is most concentrated in Technology at 32% of assets, up from 31% a quarter earlier, followed by Financials and Communication Services.

  • William von Mueffling's largest Q3 2025 buy was Liberty Media Series C: 1,166,139 shares worth $122M.
  • William von Mueffling added most to Tradeweb Markets in Q3 2025, an estimated $103M increase.
  • William von Mueffling's biggest Q3 2025 reduction was Ecolab, cutting an estimated $276M.
  • William von Mueffling fully exited Icon in Q3 2025, selling an estimated $67.7M.
  • William von Mueffling's ten largest holdings make up 46% of its $18.2B portfolio in Q3 2025.
  • William von Mueffling opened 1 new position and closed 1 in Q3 2025.
  • William von Mueffling's portfolio value rose 5% quarter-over-quarter to $18.2B.

Based on Cantillon Capital Management's 13F filing for Q3 2025, filed 30 Oct 2025.