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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, Q2 2025

Institutional positions in Aon plc as of Jun 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
1,232
−27 vs. Q1 2025
Shares held
194.2M
+975.4K (+0.5%) vs. Q1 2025
Total value
$69.3B
−$7.65B (−9.9%) vs. Q1 2025
New holders
108
432 more added
Sold out
135
470 more reduced

16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,232 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 heldQ2 2025: $69.3B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q1 2025.

Institutions holding AON in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Penobscot Investment Management Company, Inc.730$260.4K0.02%−15−2.0%Reduced
Norris Perne & French LLP730$260.4K0.02%+50+7.4%Added
FSM Wealth Advisors, LLC738$260.6K0.04%−27−3.5%Reduced
Fullcircle Wealth LLC727$262.0K0.10%+2+0.3%Added
Annis Gardner Whiting Capital Advisors, LLC736$262.6K0.09%+58+8.6%Added
Avestar Capital, LLC737$262.9K0.02%−84−10.2%Reduced
Seed Wealth Management, Inc.737$262.9K0.20%+737New
Wexford Capital LP740$264.0K0.07%−260−26.0%Reduced
Van Hulzen Asset Management, LLC740$264.0K0.02%−140−15.9%Reduced
New Capital Management LP741$264.4K0.07%00.0%Unchanged
TRUE Private Wealth Advisors746$266.3K0.03%−23−3.0%Reduced
Garrison Point Advisors, LLC753$268.6K0.12%00.0%Unchanged
Watts Gwilliam & Co., LLC762$268.8K0.04%00.0%Unchanged
Signal Advisors Wealth, LLC754$269.0K0.02%−32−4.1%Reduced
Net Worth Advisory Group755$269.3K0.06%+28+3.9%Added
Global Wealth Management Investment Advisory, Inc.757$270.1K0.05%00.0%Unchanged
Blue Barn Wealth, LLC758$270.4K0.13%−51−6.3%Reduced
Moors & Cabot, Inc.761$271.5K0.01%−61−7.4%Reduced
Dynamic Financial Group762$271.9K0.26%00.0%Unchanged
Quadcap Wealth Management, LLC763$272.2K0.03%−13−1.7%Reduced
Flaharty Asset Management, LLC768$274.0K0.04%00.0%Unchanged
Horizon Financial Services, LLC771$275.1K0.15%00.0%Unchanged
Fisher Asset Management, LLC772$275.6K0.00%+772New
Flower City Capital774$276.1K0.16%−86−10.0%Reduced
Apella Capital, LLC786$277.6K0.01%+16+2.1%Added
Adviser Investments LLC784$279.7K0.00%+79+11.2%Added
Broadway Wealth Solutions, Inc.787$280.8K0.17%+17+2.2%Added
Mutual Advisors, LLC754$281.0K0.01%+113+17.6%Added
Inspire Advisors, LLC790$281.8K0.03%00.0%Unchanged
Trust Co of Oklahoma793$282.9K0.09%−119−13.0%Reduced
VisionPoint Advisory Group, LLC794$283.3K0.06%+794New
Connors Investor Services Inc800$285.4K0.03%00.0%Unchanged
RVW Wealth, LLC800$285.4K0.02%00.0%Unchanged
Exchange Bank805$287.2K0.23%−24−2.9%Reduced
Ronald Blue Trust, Inc.806$287.4K0.00%−89−9.9%Reduced
Heritage Wealth Advisors811$289.3K0.01%00.0%Unchanged
Welch & Forbes LLC813$290.0K0.00%−2−0.2%Reduced
J. Safra Sarasin Holding AG819$292.2K0.01%+819New
Aspen Grove Capital, LLC821$292.9K0.05%+166+25.3%Added
First National Bank of Hutchinson828$295.4K0.18%+41+5.2%Added
Custom Index Systems, LLC828$295.4K0.14%+113+15.8%Added
Great Lakes Advisors, LLC838$299.0K0.00%−3−0.4%Reduced
Sowell Financial Services LLC846$301.7K0.01%+194+29.8%Added
Advisory Services Network, LLC848$301.8K0.00%+92+12.2%Added
Guyasuta Investment Advisors Inc850$303.2K0.02%00.0%Unchanged
Engineers Gate Manager LP851$303.6K0.00%−18,671−95.6%Reduced
Kohmann Bosshard Financial Services, LLC859$306.5K0.03%00.0%Unchanged
Paradigm Financial Partners, LLC861$307.2K0.03%−31−3.5%Reduced
Tanager Wealth Management LLP872$311.1K0.04%−33−3.6%Reduced
Retirement Planning Group889$317.3K0.01%−45−4.8%Reduced
Keel Point, LLC890$317.6K0.02%−56−5.9%Reduced
Integrated Advisors Network LLC891$317.7K0.01%−13−1.4%Reduced
Argent Trust Co892$318.2K0.01%−33−3.6%Reduced
Maripau Wealth Management LLC897$320.1K0.16%+122+15.7%Added
Baldwin Investment Management, LLC900$321.1K0.04%00.0%Unchanged
RiverGlades Family Offices LLC900$321.1K0.21%00.0%Unchanged
Westbourne Investment Advisors, Inc.900$321.1K0.10%00.0%Unchanged
Fukoku Mutual Life Insurance Co901$321.4K0.02%00.0%Unchanged
Abacus Planning Group, Inc.904$322.5K0.05%−126−12.2%Reduced
Old Mission Investment Co LLC905$322.9K0.09%00.0%Unchanged
Everhart Financial Group, Inc.909$324.3K0.04%+11+1.2%Added
ICONIQ Capital, LLC910$324.7K0.01%−78−7.9%Reduced
Linscomb & Williams, Inc.912$325.4K0.01%−849−48.2%Reduced
Cobblestone Capital Advisors LLC912$325.4K0.02%−3−0.3%Reduced
Todd Asset Management LLC912$325.4K0.01%−2−0.2%Reduced
Legacy Financial Advisors, Inc.912$325.4K0.05%−54−5.6%Reduced
Sumitomo Life Insurance Co913$325.7K0.02%−2,143−70.1%Reduced
Pioneer Trust Bank N A919$327.9K0.08%00.0%Unchanged
L2 Asset Management, LLC936$333.9K0.05%+45+5.1%Added
Castleview Partners, LLC937$334.3K0.21%+28+3.1%Added
Choate Investment Advisors939$335.0K0.01%−6−0.6%Reduced
waypoint wealth counsel943$336.4K0.17%+6+0.6%Added
Empower Advisory Group, LLC950$338.9K0.00%−2−0.2%Reduced
JFS Wealth Advisors, LLC957$341.4K0.02%−10−1.0%Reduced
Cornerstone Wealth Group, LLC957$341.4K0.03%+25+2.7%Added
West Paces Advisors Inc.959$342.1K0.07%00.0%Unchanged
Smith Chas P & Associates Pa Cpas965$344.3K0.02%−14−1.4%Reduced
Smith, Moore & Co.968$345.4K0.03%00.0%Unchanged
City National Bank of Florida970$346.1K0.25%+1+0.1%Added
FDx Advisors, Inc.976$348.0K0.11%−56−5.4%Reduced
Ellevest, Inc.977$348.6K0.06%−63−6.1%Reduced
Fiduciary Trust Co977$348.7K0.00%+34+3.6%Added
Csenge Advisory Group937$348.7K0.02%−263−21.9%Reduced
Creekside Partners982$350.3K0.17%00.0%Unchanged
Evergreen Capital Management LLC992$353.9K0.01%+13+1.3%Added
BlackDiamond Wealth Management Inc.996$355.5K0.21%−21−2.1%Reduced
Optimum Investment Advisors1,000$356.8K0.15%00.0%Unchanged
Grassi Investment Management1,000$357.0K0.03%−400−28.6%Reduced
Los Angeles Capital Management LLC1,007$359.3K0.00%−1,362−57.5%Reduced
Chicago Partners Investment Group LLC1,006$359.4K0.01%−20−1.9%Reduced
EverSource Wealth Advisors, LLC1,009$359.8K0.02%+89+9.7%Added
Alta Advisers Ltd1,010$360.3K0.13%00.0%Unchanged
True North Advisors, LLC1,011$360.7K0.07%+280+38.3%Added
Inspirion Wealth Advisors, LLC1,027$366.4K0.05%−100−8.9%Reduced
Cynosure Management, LLC1,028$366.8K0.04%+1,028New
MPS Loria Financial Planners, LLC1,030$367.5K0.11%00.0%Unchanged
Bowen Hanes & Co Inc1,035$369.2K0.01%00.0%Unchanged
Pinnacle Associates Ltd1,038$370.3K0.01%+170+19.6%Added
Newman Dignan & Sheerar, Inc.1,041$371.4K0.09%−9−0.9%Reduced
ORG Wealth Partners, LLC1,042$371.9K0.09%+134+14.8%Added