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Aon plc (AON) Institutional Ownership & Insider Trading

1,255 institutions reported holding Aon plc shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 18 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

Insurance Brokers · Financials
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Price chart with a free account
Market cap
64.4B
P/E TTM
16.7
Dividend yield
1.0%
52-week
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Next earnings
29 Oct, in 5 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

1,255 institutions held 90.9% of the shares. Across filers that reported both quarters, shares held changed +2.1%.

Increased+402New+95Decreased-394Closed-85

Largest moves, shares (millions)

JPMorgan Chase+6.5MVanguard Portfolio…+2.6MT. Rowe Price Associates+1.9MUBS AM, a distinct business…-1.2MPolen Capital Management-1.2MCantillon Capital Management-1.1M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
-5.1Sep 24-2.2Dec 24-1.9Mar 25-0.1Jun 25+1.1Sep 25-3.6Dec 25+1.4Mar 26+3.8Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 261,255193+2.1%4029539485
Mar 261,237188+0.8%41788353119
Dec 251,246188-1.9%3446840576
Sep 251,218189+0.6%3928831961
Jun 251,197194-0.1%35971387113
Mar 251,238191-1.0%39112832748
Dec 241,146193-1.1%3325634459
Sep 241,105188-2.9%3259631453

Aon plc — questions

Who owns Aon plc stock?
1,255 institutions reported Aon plc shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (7.4%), VANGUARD CAPITAL MANAGEMENT LLC (6.4%), JPMORGAN CHASE & CO (5.7%).
Are Aon plc insiders buying or selling?
18 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Aon plc's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.