Q3 2025 13F Holders as of 9/30/2025
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Type / Class
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Equity / Class A Ordinary Shares
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Shares outstanding
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214M
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Number of holders
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1220
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Total 13F shares, excl. options
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185M
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Shares change
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-4.04M
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Total reported value, excl. options
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$66.1B
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Value change
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-$1.44B
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Put/Call ratio
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0.17
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Number of buys
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584
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Number of sells
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-477
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Price
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$356.58
Significant Holders of Aon plc - Class A Ordinary Shares (AON) as of Q3 2025
1,357 filings reported holding AON - Aon plc - Class A Ordinary Shares as of Q3 2025.
Aon plc - Class A Ordinary Shares (AON) has 1,220 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 185M shares
of 214M outstanding shares and own 86.78% of the company stock.
Largest 10 shareholders include VANGUARD GROUP INC (20M shares), BlackRock, Inc. (15.8M shares), Capital World Investors (12.1M shares), STATE STREET CORP (9.23M shares), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (8.76M shares), MORGAN STANLEY (6.14M shares), GEODE CAPITAL MANAGEMENT, LLC (5.11M shares), Berkshire Hathaway Inc (4.1M shares), Bank of New York Mellon Corp (3.72M shares), and Dodge & Cox (3.46M shares).
This table shows the top 1220 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
| Investor |
Option |
Weight % |
Change % |
Value $ |
* Price $ |
Shares |
Share Change |
Activity |
Report Period |
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.