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Disclosery

AON AON PLC

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Stock (common), issuer CIK 315293

Filings received so far for Q3 2026: 43 13F filers report a position in AON shares at 2026-09-30. The quarter is not complete: its 13F deadline is 2026-11-14, and the counts grow as filings arrive.

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 2026

Filers in the available 13F reports with a share position at 2026-09-30, 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
DUDLEY & SHANLEY, INC.85,202$23.6M3.75%-3,60513F-HRTimeline
Mn Services Vermogensbeheer B.V.59,386$16.4M0.12%013F-HRTimeline
Artemis Investment Management LLP38,078$10.5M0.09%+6,22313F-HRTimeline
KWMG, LLC21,785$6.03M0.43%+70113F-HRTimeline
Violich Capital Management, Inc.20,815$5.76M0.62%-55013F-HRTimeline
YHB Investment Advisors, Inc.7,992$2.21M0.14%013F-HRTimeline
Legacy Wealth Asset Management, LLC5,892$1.63M0.36%-1,63213F-HRTimeline
HF Advisory Group, LLC3,951$1.09M0.33%+31313F-HRTimeline
Farther Finance Advisors, LLC3,882$1.07M0.01%-1,12313F-HRTimeline
CANANDAIGUA NATIONAL BANK & TRUST COin group CANANDAIGUA NATIONAL BANK & T…3,256$901K0.08%-28413F-HRTimelineGroup
PFW Advisors LLC2,890$800K0.24%+613F-HRTimeline
Persium Advisors, LLC2,376$658K0.34%+17413F-HRTimeline
Factor Wealth Management LTD2,248$622K0.1%-5613F-HRTimeline
Venture Visionary Partners LLC1,767$489K0.01%-22213F-HRTimeline
Hummer Financial Advisory Services Inc1,683$466K0.3%013F-HRTimeline
Wedmont Private Capital1,672$463K0.01%-4113F-HRTimeline
GAMMA Investing LLC1,602$443K0.01%-24513F-HRTimeline
Central Pacific Bank - Trust Division1,575$436K0.05%+5013F-HRTimeline
NEVILLE RODIE & SHAW INC1,450$401K0.03%013F-HRTimeline
Athena Wealth Management, LLC1,390$385K0.28%new13F-HRTimeline
Ridgewood Investments LLC1,056$292K0.11%-11513F-HRTimeline
Weaver Consulting Group1,046$290K0.06%-213F-HRTimeline
CX Institutional1,029$285K0.01%-73613F-HRTimeline
Apella Capital, LLC979$265K<0.01%-1713F-HRTimeline
Valeo Financial Advisors, LLC884$245K0.01%-26713F-HRTimeline
Everhart Financial Group, Inc.876$242K0.01%-28713F-HRTimeline
Cooper Financial Group801$222K0.02%new13F-HRTimeline
MassMutual Private Wealth & Trust, FSB539$149K<0.01%-11113F-HRTimeline
AMERICAN NATIONAL BANK & TRUST372$103K0.01%-4013F-HRTimeline
Versant Capital Management, Inc372$103K0.01%-39113F-HRTimeline
EASTERN BANK224$62K<0.01%013F-HRTimeline
ELEVATION WEALTH PARTNERS, LLC194$53.7K0.02%-2713F-HRTimeline
Rosenberg Matthew Hamilton184$50.9K0.01%013F-HRTimeline
Marquette Asset Management, LLC150$41.5K0.01%+12713F-HRTimeline
Grove Bank & Trust100$27.7K<0.01%-6413F-HRTimeline
Bank of New Hampshire45$12.5K<0.01%013F-HRTimeline
CoreCap Advisors, LLC28$7.75K<0.01%-713F-HRTimeline
Davis Capital Management6$1.66K<0.01%-2113F-HRTimeline
Planning Strategies Inc.6$1.66K<0.01%-513F-HRTimeline
Pacifica Partners Inc.5$1.38K<0.01%013F-HRTimeline
Retirement Wealth Solutions LLC3$831<0.01%new13F-HRTimeline
GILPIN WEALTH MANAGEMENT, LLC1$277<0.01%new13F-HRTimeline
GK Wealth Management LLC1$277<0.01%new13F-HRTimeline