Aon Plc (AON) Stock Institutional Trading Activity
Aon Plc (AON) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q1 2026), investors with some of the largest reported share count changes include Cantillon Capital Management, Jensen Investment Management, Cullen Value Fund, Sequoia Financial Advisors, and Polen Capital Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- Aon Plc (AON) stock institutional ownership
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q2 2020 | Cantillon Capital Management | Buy | 1,411,632 | 1,411,632 | $271,881 |
| Q2 2020 | Viking Global Investors | Buy | 2,956,029 | 2,956,029 | $569,331 |
| Q1 2020 | Eagle Capital Management | Buy | 5,885,358 | 5,885,358 | $971,319 |
| Q1 2020 | Sound Shore Management | Buy | 369,894 | 369,894 | $61,047 |
Frequently asked questions about AON activity
Which institutional owners are buying AON?
Institutional owners buying AON include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in AON activity?
"Buy" means an investor increased their reported position in AON compared to the prior reporting period. This reflects growing exposure to Aon Plc (AON) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in AON increasing?
Institutional interest in AON can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.