NYSE: AON
Aon PLC Stock Ownership - Who owns Aon?

Insider buying vs selling

Have Aon PLC insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Lester B. KnightDirector2026-09-021,440$329.69
$474.75kBuy
Lester B. KnightDirector2026-09-024,145$328.34
$1.36MBuy
Lester B. KnightDirector2026-09-027,212$327.52
$2.36MBuy
Lester B. KnightDirector2026-09-025,097$326.53
$1.66MBuy
Lester B. KnightDirector2026-09-021,739$325.63
$566.27kBuy
Lester B. KnightDirector2026-09-02367$330.51
$121.30kBuy
Darren ZeidelCLO2026-07-28700$376.00
$263.20kSell
Darren ZeidelCLO2026-07-28475$380.00
$180.50kSell
Darren ZeidelCLO2026-07-28725$378.00
$274.05kSell
Darren ZeidelCLO2026-07-17625$370.00
$231.25kSell

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Net Insider Buy/Sell (L12M) Ownership

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AON Shareholders

What type of owners hold Aon PLC stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Patrick G. Ryan7.87%16,697,943$5.12BInsider
Shirley W. Ryan3.91%8,301,904$2.55BInsider
Gregory C. Case0.87%1,855,095$569.14MInsider
Lester B. Knight0.31%649,346$199.22MInsider
Stephen P. McGill0.19%402,071$123.36MInsider
Michael D. Rice0.13%271,088$83.17MInsider
Eric Andersen0.08%177,033$54.31MInsider
Michael D. Ohalleran0.08%165,826$50.88MInsider
Andrew M. Appel0.08%164,872$50.58MInsider
Christa Davies0.08%161,705$49.61MInsider

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AON vs Insurance Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
AON0.09%14.70%Net SellingNet Buying
AJG0.09%3.33%Net SellingNet Selling
MRSH0.09%0.96%Net SellingNet Selling
WTW0.10%30.43%Net SellingNet Selling
BRO0.08%18.27%Net Selling

Aon Stock Ownership FAQ

Who owns Aon?

Aon (NYSE: AON) is owned by 0.09% institutional shareholders, 14.70% Aon insiders, and 85.21% retail investors. Patrick G. Ryan is the largest individual Aon shareholder, owning 16.70M shares representing 7.87% of the company. Patrick G. Ryan's Aon shares are currently valued at $5.07B.

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