William von Mueffling - Cantillon Capital Management
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    38
Portfolio value:    $15,050,978,966
Holdings Activity Buys Sells    History
Holding/activity history for  Aon Plc (AON)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2026   Q1 1,095,574 2.35 Reduce 11.86% 0.28 $322.78 $353,629,376 SEC
2025   Q4 1,243,018 2.37 Add 0.75% 0.02 $352.88 $438,636,192 SEC
2025   Q3 1,233,741 2.42 Reduce 1.09% 0.03 $356.58 $439,927,366 SEC
2025   Q2 1,247,354 2.57 Reduce 2.82% 0.09 $356.76 $445,006,013 SEC
2025   Q1 1,283,548 3.32 Reduce 3.00% 0.09 $399.09 $512,251,171 SEC
2024   Q4 1,323,228 2.87 Add 0.53% 0.02 $359.16 $475,250,568 SEC
2024   Q3 1,316,218 2.78 Add 15.63% 0.38 $345.99 $455,398,266 SEC
2024   Q2 1,138,262 2.23 Reduce 4.84% 0.12 $293.58 $334,170,958 SEC
2024   Q1 1,196,190 2.51 Reduce 1.97% 0.05 $333.72 $399,192,527 SEC
2023   Q4 1,220,174 2.37 Reduce 2.38% 0.07 $291.02 $355,095,037 SEC
2023   Q3 1,249,967 3.01 Reduce 0.39% 0.01 $324.22 $405,264,301 SEC
2023   Q2 1,254,848 3.03 Add 6.35% 0.18 $345.20 $433,173,530 SEC
2023   Q1 1,179,916 3.03 Reduce 1.72% 0.05 $315.29 $372,015,716 SEC
2022   Q4 1,200,586 3.05 Reduce 1.75% 0.05 $300.14 $360,343,882 SEC
2022   Q3 1,221,914 2.96 Reduce 0.93% 0.03 $267.87 $327,315,000 SEC
2022   Q2 1,233,391 2.78 Reduce 0.53% 0.02 $269.68 $332,621,000 SEC
2022   Q1 1,240,000 2.88 Add 2.98% 0.08 $325.63 $403,782,000 SEC
2021   Q4 1,204,090 2.39 Reduce 6.89% 0.17 $300.56 $361,902,000 SEC
2021   Q3 1,293,142 2.52 Reduce 1.77% 0.04 $285.77 $369,542,000 SEC
2021   Q2 1,316,431 2.12 Reduce 1.54% 0.03 $238.76 $314,311,000 SEC
2021   Q1 1,336,974 2.24 Reduce 3.58% 0.08 $230.11 $307,651,000 SEC
2020   Q4 1,386,579 2.20 Reduce 0.65% 0.02 $211.27 $292,943,000 SEC
2020   Q3 1,395,669 2.41 Reduce 1.13% 0.03 $206.30 $287,926,000 SEC
2020   Q2 1,411,632 2.36 Add 0.96% 0.02 $192.60 $271,881,000 SEC
2020   Q1 1,398,175 2.55 Reduce 0.09% <0.01 $165.04 $230,754,000 SEC
2019   Q4 1,399,372 2.71 Reduce 2.08% 0.06 $208.29 $291,476,000 SEC
2019   Q3 1,429,051 2.69 Reduce 0.61% 0.02 $193.57 $276,621,000 SEC
2019   Q2 1,437,834 2.80 Reduce 2.14% 0.06 $192.98 $277,473,000 SEC
2019   Q1 1,469,331 2.67 Add 11.28% 0.27 $170.70 $250,815,000 SEC
2018   Q4 1,320,448 2.32 Add 0.78% 0.02 $145.36 $191,940,000 SEC
2018   Q3 1,310,282 2.27 Reduce 6.25% 0.13 $153.78 $201,496,000 SEC
2018   Q2 1,397,690 2.06 Add 53.23% 0.72 $137.17 $191,721,000 SEC
2018   Q1 912,129 1.45 Reduce 1.86% 0.03 $140.33 $127,999,000 SEC
2017   Q4 929,406 1.48 Reduce 6.43% 0.11 $134.00 $124,540,000 SEC
2017   Q3 993,274 1.69 Reduce 2.74% 0.05 $146.10 $145,117,000 SEC
2017   Q2 1,021,260 1.70 Reduce 4.00% 0.06 $132.95 $135,777,000 SEC
2017   Q1 1,063,840 1.61 Add 106.01% 0.83 $118.69 $126,268,000 SEC
2016   Q4 516,406 0.81 Buy 0.81 $111.53 $57,595,000 SEC