Wallace Weitz's AON Position Overview
Wallace Weitz (via Weitz Investment Management, Inc.) currently holds 218,735 shares of Aon plc (AON) worth $77.19 M, representing 4.58% of the portfolio. First purchased in 2020-Q2, this long-term strategic position has been held for 23 quarters.
Based on 13F filings, Wallace Weitz has maintained a strategic position in AON, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2024, adding 102,650 shares. Largest reduction occurred in Q4 2021, reducing 144,153 shares.
Analysis based on 13F filings available since 2013 Q2
Wallace Weitz's Aon plc (AON) Holding Value Over Time
Track share changes against reported price movement
Quarterly Aon plc (AON) Trades by Wallace Weitz
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +5,285 | Add 2.48% | 218,735 | $352.88 |
| Q1 2025 | -47,500 | Reduce 18.20% | 213,450 | $399.09 |
| Q2 2024 | +102,650 | Add 64.85% | 260,950 | $293.58 |
| Q1 2024 | +13,650 | Add 9.44% | 158,300 | $333.72 |
| Q2 2023 | -750 | Reduce 0.52% | 144,650 | $345.20 |
| Q1 2023 | -2,500 | Reduce 1.69% | 145,400 | $315.29 |
| Q2 2022 | -10,000 | Reduce 6.33% | 147,900 | $269.68 |
| Q1 2022 | -93,007 | Reduce 37.07% | 157,900 | $325.63 |
| Q4 2021 | -144,153 | Reduce 36.49% | 250,907 | $300.56 |
| Q3 2021 | -27,790 | Reduce 6.57% | 395,060 | $285.77 |
| Q1 2021 | +56,300 | Add 15.36% | 422,850 | $230.11 |
| Q4 2020 | +45,500 | Add 14.17% | 366,550 | $211.27 |
| Q3 2020 | +33,700 | Add 11.73% | 321,050 | $206.30 |
| Q2 2020 | +287,350 | New Buy | 287,350 | $192.60 |
Wallace Weitz's Aon plc Investment FAQs
Wallace Weitz first purchased Aon plc (AON) in Q2 2020, acquiring 287,350 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Wallace Weitz has held Aon plc (AON) for 23 quarters since Q2 2020.
Wallace Weitz's largest addition to Aon plc (AON) was in Q2 2020, adding 287,350 shares worth $55.34 M.
According to the latest 13F filing for Q4 2025, Wallace Weitz's firm, Weitz Investment Management, Inc., owns 218,735 shares of Aon plc (AON), valued at approximately $77.19 M.
As of the Q4 2025 filing, Aon plc (AON) represents approximately 4.58% of Wallace Weitz's publicly disclosed stock portfolio, making it one of their key holdings.
Wallace Weitz's peak holding in Aon plc (AON) was 422,850 shares, as reported at the end of Q1 2021.