Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns AON? 13F holders and whale ownership

AON is tracked across public portfolios in Whale Analyzer. This page answers who owns AON, which top funds are buying AON, aggregate disclosed value, and recent position changes based on public data.

Open interactive stock dashboard
5Tracked holders
$3.70BAggregate reported value
2026-05-19Page updated
3 increased, 1 new, 1 reducedRecent changes

Top holders

InvestorReported valueSharesChange
Dodge & Cox 13F portfolio
Dodge & Cox holdings
$2.62B8.1MIncreased
Polen Capital 13F portfolio
Polen Capital Management holdings
$437.1M1.4MReduced
Andreas Halvorsen 13F portfolio
Viking Global Investors holdings
$350.9M1.1MIncreased
Seth Klarman 13F portfolio
Baupost Group holdings
$248.2M769.0KNew
Tom Gayner 13F portfolio
Markel Group holdings
$43.8M135.8KIncreased

How to read this page

Values are reported public positions from tracked investors and institutions. They are not real-time ownership totals for the company.

This page is generated from public filings and public disclosures. It is for research and education only and is not investment advice.

Related stock holder pages

Learn more in Whale Analyzer Academy

Frequently asked questions

Who owns AON stock?

Whale Analyzer tracks 5 public institutional holders of AON with a combined reported value of $3.70B. See the holder table above for the largest tracked positions.

Which top funds are buying AON?

Check the "Change" column in the holders table above. "New" means a fresh position was initiated, "Added" means an existing position was increased, and "Reduced" or "Sold" indicates trimming.

What does 13F ownership mean for AON?

Use the interactive AON dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.