Warren Buffett - Berkshire Hathaway
Holding/activity history for Aon Plc (AON)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2023 Q4 | 4,100,000 | 0.34 | $291.02 | ||
| 2023 Q3 | 4,100,000 | 0.42 | Reduce 5.42% | 0.02 | $324.22 |
| 2023 Q2 | 4,335,000 | 0.43 | $345.20 | ||
| 2023 Q1 | 4,335,000 | 0.42 | Reduce 1.39% | 0.01 | $315.29 |
| 2022 Q4 | 4,396,000 | 0.44 | $300.14 | ||
| 2022 Q3 | 4,396,000 | 0.40 | $267.87 | ||
| 2022 Q2 | 4,396,000 | 0.39 | $269.68 | ||
| 2022 Q1 | 4,396,000 | 0.39 | $325.63 | ||
| 2021 Q4 | 4,396,000 | 0.40 | $300.56 | ||
| 2021 Q3 | 4,396,000 | 0.43 | $285.77 | ||
| 2021 Q2 | 4,396,000 | 0.36 | Add 7.32% | 0.02 | $238.76 |
| 2021 Q1 | 4,096,146 | 0.35 | Buy | 0.35 | $230.11 |