William von Mueffling - Cantillon Capital Management
Holding/activity history for Aon plc (AON)
← All AON superinvestors
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 1,095,574 | 2.35 | Reduce 11.86% | 0.28 | $306.52–344.65 · VW $322.41i | $353,629,376 | SEC |
| 2025 Q4 | 1,243,018 | 2.37 | Add 0.75% | 0.02 | $304.59–358.55 · VW $332.87i | $438,636,192 | SEC |
| 2025 Q3 | 1,233,741 | 2.42 | Reduce 1.09% | 0.03 | $324.28–375.87 · VW $351.36i | $439,927,366 | SEC |
| 2025 Q2 | 1,247,354 | 2.57 | Reduce 2.82% | 0.09 | $345.78–381.00 · VW $364.59i | $445,006,013 | SEC |
| 2025 Q1 | 1,283,548 | 3.32 | Reduce 3.00% | 0.09 | $323.73–412.97 · VW $369.59i | $512,251,171 | SEC |
| 2024 Q4 | 1,323,228 | 2.87 | Add 0.53% | 0.02 | $346.07–409.99 · VW $388.39i | $475,250,568 | SEC |
| 2024 Q3 | 1,316,218 | 2.78 | Add 15.63% | 0.38 | $339.29–395.33 · VW $375.39i | $455,398,266 | SEC |
| 2024 Q2 | 1,138,262 | 2.23 | Reduce 4.84% | 0.12 | $278.60–345.56 · VW $322.63i | $334,170,958 | SEC |
| 2024 Q1 | 1,196,190 | 2.51 | Reduce 1.97% | 0.05 | $268.06–336.06 · VW $295.25i | $399,192,527 | SEC |
| 2023 Q4 | 1,220,174 | 2.37 | Reduce 2.38% | 0.07 | $284.85–337.02 · VW $312.62i | $355,095,037 | SEC |
| 2023 Q3 | 1,249,967 | 3.01 | Reduce 0.39% | 0.01 | $300.41–344.68 · VW $324.53i | $405,264,301 | SEC |
| 2023 Q2 | 1,254,848 | 3.03 | Add 6.35% | 0.18 | $308.10–347.37 · VW $329.62i | $433,173,530 | SEC |
| 2023 Q1 | 1,179,916 | 3.03 | Reduce 1.72% | 0.05 | $280.89–338.27 · VW $309.15i | $372,015,716 | SEC |
| 2022 Q4 | 1,200,586 | 3.05 | Reduce 1.75% | 0.05 | $295.00–328.33 · VW $309.13i | $360,343,882 | SEC |
| 2022 Q3 | 1,221,914 | 2.96 | Reduce 0.93% | 0.03 | $266.35–309.00 · VW $294.54i | $327,315,000 | SEC |
| 2022 Q2 | 1,233,391 | 2.78 | Reduce 0.53% | 0.02 | $246.21–303.29 · VW $276.25i | $332,621,000 | SEC |
| 2022 Q1 | 1,240,000 | 2.88 | Add 2.98% | 0.08 | $255.90–341.98 · VW $291.18i | $403,782,000 | SEC |
| 2021 Q4 | 1,204,090 | 2.39 | Reduce 6.89% | 0.17 | $259.59–303.92 · VW $285.22i | $361,902,000 | SEC |
| 2021 Q3 | 1,293,142 | 2.52 | Reduce 1.77% | 0.04 | $283.56–326.25 · VW $301.86i | $369,542,000 | SEC |
| 2021 Q2 | 1,316,431 | 2.12 | Reduce 1.54% | 0.03 | $223.19–288.42 · VW $266.16i | $314,311,000 | SEC |
| 2021 Q1 | 1,336,974 | 2.24 | Reduce 3.58% | 0.08 | $221.82–260.97 · VW $245.39i | $307,651,000 | SEC |
| 2020 Q4 | 1,386,579 | 2.20 | Reduce 0.65% | 0.02 | $200.65–235.88 · VW $221.41i | $292,943,000 | SEC |
| 2020 Q3 | 1,395,669 | 2.41 | Reduce 1.13% | 0.03 | $179.52–216.49 · VW $200.30i | $287,926,000 | SEC |
| 2020 Q2 | 1,411,632 | 2.36 | Add 0.96% | 0.02 | $177.21–208.74 · VW $195.31i | $271,881,000 | SEC |
| 2020 Q1 | 1,398,175 | 2.55 | Reduce 0.09% | <0.01 | $143.93–225.56 · VW $188.81i | $230,754,000 | SEC |
| 2019 Q4 | 1,399,372 | 2.71 | Reduce 2.08% | 0.06 | $198.60–238.19 · VW $214.93i | $291,476,000 | SEC |
| 2019 Q3 | 1,429,051 | 2.69 | Reduce 0.61% | 0.02 | $184.52–205.87 · VW $198.00i | $276,621,000 | SEC |
| 2019 Q2 | 1,437,834 | 2.80 | Reduce 2.14% | 0.06 | $179.93–198.61 · VW $191.13i | $277,473,000 | SEC |
| 2019 Q1 | 1,469,331 | 2.67 | Add 11.28% | 0.27 | $156.09–182.61 · VW $172.92i | $250,815,000 | SEC |
| 2018 Q4 | 1,320,448 | 2.32 | Add 0.78% | 0.02 | $135.30–173.53 · VW $160.12i | $191,940,000 | SEC |
| 2018 Q3 | 1,310,282 | 2.27 | Reduce 6.25% | 0.13 | $144.84–166.41 · VW $158.79i | $201,496,000 | SEC |
| 2018 Q2 | 1,397,690 | 2.06 | Add 53.23% | 0.72 | $134.82–148.28 · VW $142.89i | $191,721,000 | SEC |
| 2018 Q1 | 912,129 | 1.45 | Reduce 1.86% | 0.03 | $136.30–148.44 · VW $141.54i | $127,999,000 | SEC |
| 2017 Q4 | 929,406 | 1.48 | Reduce 6.43% | 0.11 | $130.87–147.98 · VW $139.72i | $124,540,000 | SEC |
| 2017 Q3 | 993,274 | 1.69 | Reduce 2.74% | 0.05 | $137.85–152.78 · VW $143.62i | $145,117,000 | SEC |
| 2017 Q2 | 1,021,260 | 1.70 | Reduce 4.00% | 0.06 | $129.82–141.45 · VW $136.81i | $135,777,000 | SEC |
| 2017 Q1 | 1,063,840 | 1.61 | Add 106.01% | 0.83 | $114.95–131.62 · VW $125.83i | $126,268,000 | SEC |
| 2016 Q4 | 516,406 | 0.81 | Buy | 0.81 | $109.82–117.80 · VW $114.42i | $57,595,000 | SEC |
Price snapshot:
Current price$367.35
Avg. buy price$176.02
+/- since buy108.70%
52-week low$303.79
52-week high$379.20