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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
Y.D. More Investments Ltd172$1860.00%−26−13.1%Reduced
Brown, Lisle/Cummings, Inc.1$3570.00%00.0%Unchanged
Tradewinds Capital Management, LLC1$3570.00%00.0%Unchanged
Scarborough Advisors, LLC1$3570.00%00.0%Unchanged
Hara Capital LLC1$3570.00%00.0%Unchanged
ROSS\JOHNSON & Associates LLC1$3570.01%00.0%Unchanged
Hurley Capital, LLC1$3570.00%+1New
Breakwater Investment Management1$3570.00%+1New
Quest 10 Wealth Builders, Inc.1$4070.00%00.0%Unchanged
E Fund Management (Hong Kong) Co., Ltd.2$7130.00%+2New
Davis Capital Management2$7130.00%+2New
Sound Income Strategies, LLC2$7210.00%00.0%Unchanged
PEAK6 LLC2$7540.00%−1−33.3%Reduced
Contravisory Investment Management, Inc.3$1.07K0.00%00.0%Unchanged
Clean Yield Group3$1.07K0.00%00.0%Unchanged
Rakuten Securities, Inc.3$1.07K0.00%+3New
Seneschal Advisors, LLC3$1.07K0.00%+3New
CBIZ Investment Advisory Services, LLC4$1.43K0.00%−6−60.0%Reduced
Marshall & Sterling Wealth Advisors Inc.4$1.43K0.00%00.0%Unchanged
Binnacle Investments Inc4$1.43K0.00%00.0%Unchanged
Bogart Wealth, LLC4$1.43K0.00%+2+100.0%Added
North Capital, Inc.4$1.43K0.00%+4New
Quaker Wealth Management, LLC4$1.43K0.00%00.0%Unchanged
Wolff Wiese Magana LLC4$1.43K0.00%00.0%Unchanged
WestEnd Advisors, LLC5$1.78K0.00%00.0%Unchanged
American Capital Advisory, LLC5$1.78K0.00%00.0%Unchanged
Redwood Park Advisors LLC5$1.78K0.00%00.0%Unchanged
Rialto Wealth Management, LLC5$1.78K0.00%+1+25.0%Added
HFM Investment Advisors, LLC5$1.78K0.00%+2+66.7%Added
Financial Consulate, Inc5$1.78K0.00%+5New
Guerra Advisors Inc5$1.78K0.00%+5New
Pacifica Partners Inc.5$1.80K0.00%00.0%Unchanged
NVWM, LLC6$2.14K0.00%00.0%Unchanged
Highline Wealth Partners LLC6$2.14K0.00%00.0%Unchanged
TD Capital Management LLC6$2.16K0.00%00.0%Unchanged
Core Alternative Capital7$2.50K0.00%00.0%Unchanged
MPWM Advisory Solutions, LLC7$2.50K0.00%00.0%Unchanged
SJS Investment Consulting Inc.7$2.50K0.00%+2+40.0%Added
HighMark Wealth Management LLC7$2.54K0.00%00.0%Unchanged
PayPay Securities Corp8$2.76K0.10%+4+100.0%Added
Atlantic Trust, LLC8$2.85K0.00%−35−81.4%Reduced
Corsicana & Co.8$2.85K0.00%+8New
TFC Financial Management8$2.86K0.00%00.0%Unchanged
New Millennium Group LLC9$3.21K0.00%00.0%Unchanged
DecisionPoint Financial, LLC9$3.24K0.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC10$3.56K0.00%+2+25.0%Added
Wealth Preservation Advisors, LLC10$3.57K0.00%+1+11.1%Added
Principia Wealth Advisory, LLC11$3.92K0.00%−10−47.6%Reduced
Evelyn Partners Asset Management Ltd11$3.92K0.00%00.0%Unchanged
MCF Advisors LLC11$3.92K0.00%+11New
City Holding Co12$4.28K0.00%+12New
Mendota Financial Group, LLC12$4.28K0.00%00.0%Unchanged
Webster Bank, N. A.12$4.28K0.00%00.0%Unchanged
True Wealth Design, LLC13$4.62K0.00%+4+44.4%Added
Atlantic Edge Private Wealth Management, LLC13$4.64K0.00%00.0%Unchanged
IMG Wealth Management, Inc.13$4.64K0.00%00.0%Unchanged
Crews Bank & Trust13$4.64K0.00%00.0%Unchanged
First Pacific Financial14$4.99K0.00%−6−30.0%Reduced
PFS Partners, LLC15$5.35K0.00%00.0%Unchanged
WPG Advisers, LLC15$5.35K0.00%00.0%Unchanged
Dogwood Wealth Management LLC15$5.35K0.00%+3+25.0%Added
Battery Global Advisors, LLC15$5.40K0.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC15$5.42K0.00%+1+7.1%Added
Creative Financial Designs Inc16$5.71K0.00%00.0%Unchanged
Rocky Mountain Advisers, LLC16$5.71K0.00%00.0%Unchanged
Fairman Group, LLC16$5.71K0.00%00.0%Unchanged
Country Trust Bank16$5.71K0.00%+8+100.0%Added
Valued Wealth Advisors LLC16$5.71K0.00%00.0%Unchanged
Dunhill Financial, LLC16$5.78K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.16$5.87K0.00%+4+33.3%Added
Transamerica Financial Advisors, Inc.18$6.10K0.00%+18New
Marquette Asset Management, LLC18$6.42K0.00%+18New
Palisade Asset Management, LLC18$6.42K0.00%+18New
Avion Wealth20$7.00K0.00%+1+5.3%Added
DT Investment Partners, LLC20$7.13K0.00%00.0%Unchanged
Kings Path Partners LLC21$7.49K0.00%00.0%Unchanged
Sunbelt Securities, Inc.23$8.20K0.00%−1−4.2%Reduced
Glen Eagle Advisors, LLC23$8.20K0.00%00.0%Unchanged
SBI Securities Co., Ltd.24$8.56K0.00%−10−29.4%Reduced
Abound Wealth Management25$8.76K0.00%+1+4.2%Added
Byrne Asset Management LLC25$8.91K0.01%00.0%Unchanged
CoreCap Advisors, LLC26$9.27K0.00%+2+8.3%Added
Bare Financial Services, Inc27$9.63K0.00%+3+12.5%Added
Sachetta, LLC27$9.63K0.00%+6+28.6%Added
NFJ Investment Group, LLC30$10.7K0.00%−3,644−99.2%Reduced
Coastline Trust Co30$10.7K0.00%00.0%Unchanged
Kilter Group LLC30$10.7K0.01%00.0%Unchanged
Colonial Trust Co31$10.9K0.00%+17+121.4%Added
Cherry Tree Wealth Management, LLC33$11.8K0.00%00.0%Unchanged
Albion Financial Group33$11.8K0.00%+17+106.3%Added
Solstein Capital, LLC34$12.1K0.01%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC35$12.5K0.02%00.0%Unchanged
Raffa Wealth Management, LLC36$12.8K0.00%00.0%Unchanged
Princeton Global Asset Management LLC36$12.8K0.00%00.0%Unchanged
Ogorek Anthony Joseph40$14.0K0.00%−7−14.9%Reduced
GPS Wealth Strategies Group, LLC40$14.4K0.00%00.0%Unchanged
Truvestments Capital LLC41$14.6K0.00%+41New
McIlrath & Eck, LLC42$15.0K0.00%00.0%Unchanged
Valley National Advisers Inc43$15.0K0.00%00.0%Unchanged
Lummis Asset Management, LP43$15.3K0.01%00.0%Unchanged