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Aon plc

AON
Exchange
NYSE
Industry
Insurance Agents, Brokers & Service
SEC CIK
0000315293

In the last 90 days, Aon plc insiders filed 1 open-market purchase and 3 sales; 1,273 institutions reported holding it in 13F filings for Q2 2026, worth $63.9B in total; 4 superinvestors hold it, including Viking Global Investors and Baupost Group.

13F holders, Q4 2025

Institutional positions in Aon plc as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,288
+57 vs. Q3 2025
Shares held
189.1M
+3.31M (+1.8%) vs. Q3 2025
Total value
$66.7B
+$447.9M (+0.7%) vs. Q3 2025
New holders
156
425 more added
Sold out
99
477 more reduced

23 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AON on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 1,288 institutions
Q1 2021: 919 institutionsQ2 2021: 912 institutionsQ3 2021: 917 institutionsQ4 2021: 995 institutionsQ1 2022: 985 institutionsQ2 2022: 966 institutionsQ3 2022: 950 institutionsQ4 2022: 1,034 institutionsQ1 2023: 1,014 institutionsQ2 2023: 1,024 institutionsQ3 2023: 1,048 institutionsQ4 2023: 1,066 institutionsQ1 2024: 1,086 institutionsQ2 2024: 1,110 institutionsQ3 2024: 1,148 institutionsQ4 2024: 1,195 institutionsQ1 2025: 1,275 institutionsQ2 2025: 1,232 institutionsQ3 2025: 1,254 institutionsQ4 2025: 1,288 institutionsQ1 2026: 1,265 institutionsQ2 2026: 1,273 institutions
Value heldQ4 2025: $66.7B
Q1 2021: $51.4BQ2 2021: $53.4BQ3 2021: $57.2BQ4 2021: $56.5BQ1 2022: $61.2BQ2 2022: $49.5BQ3 2022: $48.4BQ4 2022: $52.6BQ1 2023: $55.7BQ2 2023: $61.2BQ3 2023: $56.4BQ4 2023: $49.8BQ1 2024: $57.4BQ2 2024: $55.4BQ3 2024: $66.1BQ4 2024: $69.1BQ1 2025: $77.1BQ2 2025: $69.3BQ3 2025: $66.3BQ4 2025: $66.7BQ1 2026: $60.6BQ2 2026: $63.9B
Institutions holding AON and their total value by quarter
QuarterHoldersValue
Q2 20261,273$63.9B
Q1 20261,265$60.6B
Q4 20251,288$66.7B
Q3 20251,254$66.3B
Q2 20251,232$69.3B
Q1 20251,275$77.1B
Q4 20241,195$69.1B
Q3 20241,148$66.1B
Q2 20241,110$55.4B
Q1 20241,086$57.4B
Q4 20231,066$49.8B
Q3 20231,048$56.4B
Q2 20231,024$61.2B
Q1 20231,014$55.7B
Q4 20221,034$52.6B
Q3 2022950$48.4B
Q2 2022966$49.5B
Q1 2022985$61.2B
Q4 2021995$56.5B
Q3 2021917$57.2B
Q2 2021912$53.4B
Q1 2021919$51.4B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q3 2025.

Institutions holding AON in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Quadcap Wealth Management, LLC658$232.2K0.03%−108−14.1%Reduced
REAP Financial Group, LLC659$232.4K0.05%+2+0.3%Added
Dougherty Wealth Advisers LLC659$232.5K0.13%00.0%Unchanged
David R. Rahn & Associates Inc.660$232.9K0.06%−460−41.1%Reduced
Hopwood Financial Services, Inc.660$232.9K0.16%00.0%Unchanged
Penobscot Investment Management Company, Inc.670$236.4K0.02%−60−8.2%Reduced
Asset Dedication, LLC680$240.0K0.02%00.0%Unchanged
Sentry Investment Management LLC679$240.0K0.16%00.0%Unchanged
Granite Group Advisors, LLC682$240.7K0.14%−7−1.0%Reduced
New Republic Capital, LLC686$242.2K0.06%+686New
VisionPoint Advisory Group, LLC688$242.8K0.05%−76−9.9%Reduced
Csenge Advisory Group690$243.4K0.01%−29−4.0%Reduced
Alpha Family Trust690$243.5K0.11%00.0%Unchanged
Fragasso Group Inc.693$244.5K0.01%−21−2.9%Reduced
Advisory Services Network, LLC695$245.1K0.00%−205−22.8%Reduced
McLean Asset Management Corp710$245.6K0.04%−1−0.1%Reduced
Impact Investors, Inc698$246.2K0.17%−157−18.4%Reduced
River Wealth Advisors LLC698$246.3K0.03%−20−2.8%Reduced
Harris Associates L PSuperinvestorHarris Associates (Oakmark)699$246.7K0.00%−5−0.7%Reduced
Aspen Grove Capital, LLC703$248.1K0.04%−75−9.6%Reduced
New Capital Management LP707$249.5K0.06%00.0%Unchanged
Clifford Group, LLC710$250.7K0.19%00.0%Unchanged
Steinberganna Wealth Management712$251.3K0.12%00.0%Unchanged
Norris Perne & French LLP715$252.3K0.02%00.0%Unchanged
Leonteq Securities AG718$253.4K0.01%+718New
Leslie Global Wealth, LLC723$255.1K0.11%+723New
Alpine Bank Wealth Management725$255.8K0.04%00.0%Unchanged
Camden National Bank733$258.7K0.04%−24−3.2%Reduced
Spirepoint Private Client, LLC735$259.4K0.02%00.0%Unchanged
Nilsine Partners, LLC735$259.4K0.02%+44+6.4%Added
Tectonic Advisors LLC737$259.9K0.01%−74−9.1%Reduced
Laurel Oak Wealth Management, LLC737$260.1K0.04%+737New
Benjamin Edwards Inc739$261.0K0.00%+49+7.1%Added
Wealth Alliance744$262.7K0.03%00.0%Unchanged
TRUE Private Wealth Advisors746$263.4K0.03%00.0%Unchanged
Trust Co of Oklahoma752$265.4K0.08%−35−4.4%Reduced
Garrison Point Advisors, LLC753$265.7K0.12%00.0%Unchanged
Abel Hall, LLC756$266.8K0.06%+756New
Global Wealth Management Investment Advisory, Inc.757$267.1K0.04%00.0%Unchanged
One Wealth Advisors, LLC761$268.5K0.03%−32−4.0%Reduced
Moors & Cabot, Inc.761$268.5K0.01%00.0%Unchanged
Dynamic Financial Group762$268.9K0.23%00.0%Unchanged
Salem Investment Counselors Inc764$269.6K0.01%00.0%Unchanged
Flaharty Asset Management, LLC768$271.0K0.03%00.0%Unchanged
Horizon Financial Services, LLC771$272.1K0.12%00.0%Unchanged
Ellevest, Inc.780$275.2K0.04%−59−7.0%Reduced
Community Bank & Trust, Waco, Texas781$276.0K0.06%+100+14.7%Added
Pinnacle Wealth Management Advisory Group, LLC783$276.3K0.02%+783New
WSFS Capital Management, LLC784$276.5K0.01%−1,011−56.3%Reduced
Inspire Advisors, LLC790$278.8K0.03%00.0%Unchanged
RMB Capital Management, LLC792$279.5K0.00%+792New
Fukoku Mutual Life Insurance Co796$280.9K0.02%−105−11.7%Reduced
Apella Capital, LLC799$282.0K0.01%+23+3.0%Added
Connors Investor Services Inc800$282.3K0.02%00.0%Unchanged
RVW Wealth, LLC800$282.3K0.02%00.0%Unchanged
Heritage Wealth Advisors803$283.4K0.01%00.0%Unchanged
71 West Capital Partners805$284.1K0.01%+805New
Exchange Bank806$284.4K0.20%+1+0.1%Added
Integrated Advisors Network LLC809$285.3K0.01%−55−6.4%Reduced
Ci Investments Inc.813$286.9K0.00%−49−5.7%Reduced
SmartHarvest Portfolios, LLC814$287.2K0.10%+814New
FSM Wealth Advisors, LLC818$288.7K0.04%+83+11.3%Added
Main Street Research LLC821$289.7K0.02%+194+30.9%Added
Custom Index Systems, LLC828$292.2K0.13%00.0%Unchanged
Abacus Planning Group, Inc.846$298.5K0.04%−46−5.2%Reduced
LWM Advisory Services, LLC848$299.2K0.18%+848New
Transcend Wealth Collective, LLC848$299.2K0.02%+848New
Alta Advisers Ltd850$299.9K0.11%−160−15.8%Reduced
Kohmann Bosshard Financial Services, LLC859$303.1K0.03%00.0%Unchanged
West Paces Advisors Inc.859$303.1K0.06%00.0%Unchanged
Tranquility Partners, LLC860$303.5K0.11%+860New
Redwood Family Wealth LLC860$303.6K0.30%+860New
City National Bank of Florida867$305.9K0.20%+32+3.8%Added
Tanager Wealth Management LLP871$307.4K0.03%+5+0.6%Added
Broadway Wealth Solutions, Inc.872$307.7K0.16%+28+3.3%Added
Jacobi Capital Management LLC880$310.5K0.02%−135−13.3%Reduced
Ehrenkranz Partners L.P.881$310.9K0.35%+881New
Los Angeles Capital Management LLC949$311.5K0.00%−38−3.9%Reduced
Indivisible Partners885$312.1K0.03%+885New
Wallace Advisory Group, LLC885$312.3K0.33%−718−44.8%Reduced
Simplicity Wealth,LLC885$312.3K0.02%−1,289−59.3%Reduced
BlackDiamond Wealth Management Inc.1,018$315.9K0.15%+40+4.1%Added
Sumitomo Life Insurance Co897$316.5K0.01%+10+1.1%Added
Paradigm Financial Partners, LLC899$317.2K0.03%−25−2.7%Reduced
Baldwin Investment Management, LLC900$317.6K0.04%00.0%Unchanged
Westbourne Investment Advisors, Inc.900$317.6K0.09%00.0%Unchanged
Todd Asset Management LLC907$320.1K0.01%00.0%Unchanged
Inspirion Wealth Advisors, LLC909$320.8K0.04%−318−25.9%Reduced
Old Mission Investment Co LLC909$320.8K0.08%+4+0.4%Added
Castleview Partners, LLC910$321.1K0.16%−42−4.4%Reduced
Linscomb & Williams, Inc.912$321.8K0.01%00.0%Unchanged
Frec Markets, Inc.915$323.0K0.09%+915New
Federated Hermes, Inc.917$323.6K0.00%−26−2.8%Reduced
Pioneer Trust Bank N A919$324.3K0.08%00.0%Unchanged
Noble Family Wealth, LLC920$324.6K0.07%00.0%Unchanged
Savvy Advisors, Inc.925$326.3K0.01%+72+8.4%Added
Potomac Fund Management Inc925$326.6K0.01%+194+26.5%Added
Intrust Bank NA926$326.8K0.03%+8+0.9%Added
Keel Point, LLC929$327.9K0.02%+29+3.2%Added
Catalytic Wealth RIA, LLC932$328.9K0.01%−1,750−65.2%Reduced