Cantillon Capital Mgmt
William von Mueffling
Period
Q1 2026
Portfolio Date
Mar 31, 2026
Stocks Held
38
Market Value
$15.1B
Portfolio Analysis
AIPreviewI. Institutional Overview
The institutional investment landscape is often defined by the maneuvers of its most disciplined practitioners. Among them, William von Mueffling and his firm, Cantillon Capital Management, stand as a testament to the power of "Value Quality" investing. As of the portfolio snapshot on March 31, 2026, Cantillon Capital Management oversees a sophisticated...
A deep dive into the institutional structure reveals a highly disciplined and concentrated approach to asset management. With only 38 distinct holdings, Cantillon Capital Management operates with a high-conviction mandate. In the world of institutional finance, a portfolio of fewer than 40 stocks typically signals an "active" management style that eschews...
The psychological portrait of the institution during the first quarter of 2026 is one of calculated refinement and strategic liquidity management. One of the most striking features of the current report is the systematic nature of the adjustments. A significant majority of the core holdings experienced a reduction in share count of approximately 11.8% to...
Based on the latest available 13F filing.
Open full report in appHoldings Value Trend
Q2 2024
Q3 2024
Q4 2024
Q1 2025
Q2 2025
Q3 2025
Q4 2025
Q1 2026
Top 5 Holdings
$AVGO
Broadcom Inc.
8.3%
% of Portfolio
$GOOGL
Alphabet Inc.
7.1%
% of Portfolio
$TSM
Taiwan Semiconductor Manufacturing Company Limited
5.6%
% of Portfolio
$IBKR
Interactive Brokers Group, Inc.
5.0%
% of Portfolio
$SPGI
S&P Global Inc.
4.4%
% of Portfolio
Historical Positions
| Symbol | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 |
|---|---|---|---|---|
| AVGO | 8.3% | 8.6% | 8.5% | 8.7% |
| GOOGL | 7.1% | 7.1% | 5.6% | 4.3% |
| TSM | 5.6% | 4.7% | 4.3% | 3.7% |
| IBKR | 5.0% | 4.4% | 4.8% | 4.1% |
| SPGI | 4.4% | 5.0% | 4.7% | 5.4% |
| ADI | 4.0% | 3.2% | - | - |
| CBRE | 3.5% | 3.9% | 3.8% | 3.6% |
| AMAT | 3.5% | 4.1% | 3.3% | - |
| V | 3.5% | 3.7% | 3.6% | 4.0% |
| ICE | 3.1% | - | - | 3.5% |
Post-Filing Contributors
Price change since reported price, ranked by portfolio contribution
Post-Filing Detractors
Price change since reported price, ranked by portfolio contribution
Sector Analysis
Trading Summary
All Holdings
$AVGO
8.3%
$GOOGL
7.1%
$TSM
5.6%
$IBKR
5.0%
$SPGI
4.4%
$ADI
4.0%
$CBRE
3.5%
$AMAT
3.5%
$V
3.5%
$ICE
3.1%
$BLK
2.9%
$MSFT
2.7%
$CME
2.7%
$FERG
2.7%
$FAST
2.5%
$TMO
2.5%
$LYV
2.5%
$UBER
2.5%
$AON
2.4%
$CP
2.3%
$EFX
2.1%
$A
2.1%
$IQV
1.9%
$YUM
1.9%
$TW
1.9%
$AMT
1.9%
$ENTG
1.7%
$SSNC
1.7%
$ADBE
1.6%
$TCOM
1.5%
$SPOT
1.4%
$ALC
1.3%
$ORCL
1.3%
$MCO
1.1%
$FLUT
0.9%
$TME
0.8%
$LPLA
0.7%
$FWONK
0.6%