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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, Q3 2025

Institutional positions in Aon plc as of Sep 30, 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
1,254
+42 vs. Q2 2025
Shares held
186.0M
−1.74M (−0.9%) vs. Q2 2025
Total value
$66.3B
−$638.0M (−1.0%) vs. Q2 2025
New holders
127
477 more added
Sold out
85
401 more reduced

20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,254 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 heldQ3 2025: $66.3B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q2 2025.

Institutions holding AON in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Spirepoint Private Client, LLC735$262.1K0.03%−317−30.1%Reduced
Headlands Technologies LLC735$262.1K0.02%+666+965.2%Added
Goodman Advisory Group, LLC736$262.4K0.07%+736New
Wexford Capital LP740$263.9K0.08%00.0%Unchanged
Wealth Alliance744$265.3K0.03%+51+7.4%Added
TRUE Private Wealth Advisors746$266.2K0.03%00.0%Unchanged
Apella Capital, LLC776$266.3K0.01%−10−1.3%Reduced
Garrison Point Advisors, LLC753$268.5K0.11%00.0%Unchanged
Global Wealth Management Investment Advisory, Inc.757$269.9K0.05%00.0%Unchanged
Camden National Bank757$269.9K0.04%+36+5.0%Added
Moors & Cabot, Inc.761$271.4K0.01%00.0%Unchanged
Dynamic Financial Group762$271.7K0.24%00.0%Unchanged
Watts Gwilliam & Co., LLC762$271.7K0.04%00.0%Unchanged
VisionPoint Advisory Group, LLC764$272.4K0.05%−30−3.8%Reduced
Salem Investment Counselors Inc764$272.4K0.01%+339+79.8%Added
Quadcap Wealth Management, LLC766$273.1K0.03%+3+0.4%Added
Flaharty Asset Management, LLC768$273.9K0.03%00.0%Unchanged
Horizon Financial Services, LLC771$274.9K0.13%00.0%Unchanged
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management771$274.9K0.01%+81+11.7%Added
Aspen Grove Capital, LLC778$277.4K0.05%−43−5.2%Reduced
Adviser Investments LLC786$280.3K0.00%+2+0.3%Added
Trust Co of Oklahoma787$280.6K0.08%−6−0.8%Reduced
Inspire Advisors, LLC790$281.7K0.03%00.0%Unchanged
One Wealth Advisors, LLC793$282.8K0.04%+78+10.9%Added
Walleye Trading LLC795$283.5K0.00%+795New
Connors Investor Services Inc800$285.3K0.02%00.0%Unchanged
RVW Wealth, LLC800$285.3K0.02%00.0%Unchanged
Acadian Asset Management LLC806$286.0K0.00%−997−55.3%Reduced
Heritage Wealth Advisors803$286.3K0.01%−8−1.0%Reduced
Hilltop National Bank803$286.3K0.07%+154+23.7%Added
Krilogy Financial LLC838$286.3K0.01%+838New
Exchange Bank805$287.0K0.20%00.0%Unchanged
Tectonic Advisors LLC811$289.0K0.02%−2,253−73.5%Reduced
Custom Index Systems, LLC828$295.2K0.09%00.0%Unchanged
City National Bank of Florida835$297.7K0.20%−135−13.9%Reduced
Ellevest, Inc.839$299.2K0.04%−138−14.1%Reduced
Broadway Wealth Solutions, Inc.844$301.0K0.17%+57+7.2%Added
Savvy Advisors, Inc.853$304.3K0.01%+178+26.4%Added
Impact Investors, Inc855$304.9K0.20%−864−50.3%Reduced
West Paces Advisors Inc.859$306.3K0.06%−100−10.4%Reduced
Kohmann Bosshard Financial Services, LLC859$306.3K0.03%00.0%Unchanged
Ci Investments Inc.862$307.0K0.00%−216−20.0%Reduced
Integrated Advisors Network LLC864$307.9K0.01%−27−3.0%Reduced
Tanager Wealth Management LLP866$308.8K0.03%−6−0.7%Reduced
Greenspring Advisors, LLC870$310.2K0.05%+870New
FDx Advisors, Inc.913$311.0K0.09%−63−6.5%Reduced
Trust Point Inc.885$315.6K0.03%+297+50.5%Added
Sumitomo Life Insurance Co887$316.3K0.01%−26−2.8%Reduced
Retirement Planning Group890$317.5K0.01%+1+0.1%Added
Turtle Creek Wealth Advisors, LLC891$317.7K0.03%+891New
Abacus Planning Group, Inc.892$318.1K0.04%−12−1.3%Reduced
CBOE Vest Financial, LLC894$318.8K0.00%+232+35.0%Added
ORG Wealth Partners, LLC895$319.1K0.07%−147−14.1%Reduced
First National Bank of Hutchinson895$319.1K0.17%+67+8.1%Added
Baldwin Investment Management, LLC900$320.9K0.04%00.0%Unchanged
RiverGlades Family Offices LLC900$320.9K0.20%00.0%Unchanged
Westbourne Investment Advisors, Inc.900$320.9K0.09%00.0%Unchanged
Keel Point, LLC900$321.0K0.02%+10+1.1%Added
Advisory Services Network, LLC900$321.1K0.00%+52+6.1%Added
Fukoku Mutual Life Insurance Co901$321.3K0.02%00.0%Unchanged
PharVision Advisers, LLC901$321.3K0.18%+901New
Cobblestone Capital Advisors LLC905$322.7K0.02%−7−0.8%Reduced
Old Mission Investment Co LLC905$322.7K0.08%00.0%Unchanged
Todd Asset Management LLC907$323.4K0.01%−5−0.5%Reduced
Pitcairn Co911$324.8K0.03%−695−43.3%Reduced
Linscomb & Williams, Inc.912$325.2K0.01%00.0%Unchanged
Advisor OS, LLC916$326.8K0.03%+916New
Intrust Bank NA918$327.3K0.03%−195−17.5%Reduced
Pioneer Trust Bank N A919$327.7K0.08%00.0%Unchanged
Noble Family Wealth, LLC920$328.1K0.07%+920New
Paradigm Financial Partners, LLC924$329.5K0.03%+63+7.3%Added
Cornerstone Wealth Group, LLC941$335.4K0.02%−16−1.7%Reduced
Quarry LP942$335.9K0.08%+942New
Federated Hermes, Inc.943$336.3K0.00%+308+48.5%Added
Choate Investment Advisors945$337.0K0.01%+6+0.6%Added
waypoint wealth counsel947$337.7K0.13%+4+0.4%Added
Castleview Partners, LLC952$339.5K0.18%+15+1.6%Added
JFS Wealth Advisors, LLC958$341.6K0.02%+1+0.1%Added
Sowell Financial Services LLC958$341.7K0.01%+112+13.2%Added
Alps Advisors Inc966$344.5K0.00%−8,482−89.8%Reduced
Smith Chas P & Associates Pa Cpas966$344.5K0.03%+1+0.1%Added
Smith, Moore & Co.968$345.3K0.03%00.0%Unchanged
Clarius Group, LLC972$346.6K0.02%−315−24.5%Reduced
BlackDiamond Wealth Management Inc.978$348.7K0.19%−18−1.8%Reduced
L2 Asset Management, LLC980$349.4K0.05%+44+4.7%Added
Creekside Partners982$350.2K0.15%00.0%Unchanged
Los Angeles Capital Management LLC987$351.9K0.00%−20−2.0%Reduced
Archetype Wealth Partners996$355.0K0.05%+996New
Optimum Investment Advisors1,000$356.6K0.14%00.0%Unchanged
Alta Advisers Ltd1,010$360.1K0.11%00.0%Unchanged
Dauntless Investment Group, LLC1,010$360.1K0.94%+1,010New
Jacobi Capital Management LLC1,015$361.9K0.02%−101−9.1%Reduced
Legacy Financial Advisors, Inc.1,021$364.1K0.05%+109+12.0%Added
Cynosure Management, LLC1,027$366.2K0.04%−1−0.1%Reduced
Versant Capital Management, Inc1,028$366.6K0.05%+684+198.8%Added
MPS Loria Financial Planners, LLC1,030$367.3K0.10%00.0%Unchanged
Bowen Hanes & Co Inc1,035$369.1K0.01%00.0%Unchanged
Chicago Partners Investment Group LLC1,119$369.2K0.01%+113+11.2%Added
Newman Dignan & Sheerar, Inc.1,041$371.2K0.08%00.0%Unchanged
Pinnacle Associates Ltd1,041$371.2K0.00%+3+0.3%Added