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Disclosery

AON AON PLC

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Stock (common), issuer CIK 315293

1,217 managers (1,247 13F filers) reported a position in AON shares at 2025-09-30, 185,929,870 shares in all. 116 filers opened a position and 86 filers sold out during the quarter.

Managers
1,217
13F filers
1,247
New
116
Added
477
Reduced
401
Sold out
86
Shares held by filers
185,929,870

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
CONTRAVISORY INVESTMENT MANAGEMENT, INC.3$1.07K<0.01%013F-HRTimeline
Clean Yield Group3$1.07K<0.01%013F-HRTimeline
Rakuten Securities, Inc.in group Rakuten Group, Inc.3$1.07K<0.01%new13F-HRTimelineGroup
Seneschal Advisors, LLC3$1.07K<0.01%new13F-HRTimeline
PEAK6 LLCin group PEAK6 LLC2$754<0.01%-113F-HR/ATimelineGroup
Sound Income Strategies, LLC2$721<0.01%013F-HRTimeline
E Fund Management (Hong Kong) Co., Ltd.2$713<0.01%new13F-HRTimeline
Davis Capital Management2$713<0.01%13F-HRTimeline
Quest 10 Wealth Builders, Inc.1$407<0.01%013F-HRTimeline
BROWN, LISLE/CUMMINGS, INC.1$357<0.01%013F-HRTimeline
Tradewinds Capital Management, LLC1$357<0.01%013F-HRTimeline
Hurley Capital, LLC1$357<0.01%new13F-HRTimeline
Scarborough Advisors, LLC1$357<0.01%013F-HRTimeline
Hara Capital LLC1$357<0.01%013F-HRTimeline
Breakwater Investment Management1$357<0.01%new13F-HRTimeline
ROSS\JOHNSON & Associates LLC1$3570.01%013F-HRTimeline
Y.D. More Investments Ltdin group Y.D. More Investments Ltd172$186-2613F-HRTimelineGroupValue about 1/1,000 of the price other filers imply, kept as filed and left out of ratios.