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Livermore
Livermore
ZHEN

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
1,233
−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: 1,233 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: 1,025 institutionsQ3 2023: 1,049 institutionsQ4 2023: 1,067 institutionsQ1 2024: 1,087 institutionsQ2 2024: 1,111 institutionsQ3 2024: 1,149 institutionsQ4 2024: 1,196 institutionsQ1 2025: 1,276 institutionsQ2 2025: 1,233 institutionsQ3 2025: 1,255 institutionsQ4 2025: 1,289 institutionsQ1 2026: 1,266 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 20261,266$60.6B
Q4 20251,289$66.7B
Q3 20251,255$66.3B
Q2 20251,233$69.3B
Q1 20251,276$77.1B
Q4 20241,196$69.1B
Q3 20241,149$66.1B
Q2 20241,111$55.4B
Q1 20241,087$57.4B
Q4 20231,067$49.8B
Q3 20231,049$56.4B
Q2 20231,025$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
Trust Co of Toledo NA90$32.1K0.00%+90New
Atlantic Union Bankshares Corp87$31.0K0.00%+87New
HHM Wealth Advisors, LLC82$29.3K0.00%00.0%Unchanged
Anchor Investment Management, LLC80$28.5K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.73$26.0K0.00%+14+23.7%Added
Capital Advisors, Ltd. LLC72$26.0K0.00%−5−6.5%Reduced
Rational Advisors LLC72$25.7K0.00%+72New
Headlands Technologies LLC69$24.6K0.00%−704−91.1%Reduced
Key Financial Inc66$23.5K0.00%+66New
Redmont Wealth Advisors LLC64$22.8K0.03%+64New
Union Savings Bank64$22.8K0.01%−5−7.2%Reduced
Access Investment Management LLC62$22.1K0.01%+62New
Asset Planning,Inc58$20.7K0.02%00.0%Unchanged
SOA Wealth Advisors, LLC.58$20.7K0.00%−12−17.1%Reduced
St Germain D J Co Inc57$20.3K0.00%00.0%Unchanged
Hughes Financial Services, LLC55$20.0K0.00%−5−8.3%Reduced
Sit Investment Associates Inc54$19.0K0.00%00.0%Unchanged
Ritter Daniher Financial Advisory LLC52$18.6K0.00%00.0%Unchanged
Tortoise Investment Management, LLC52$18.6K0.00%+6+13.0%Added
Aspect Partners, LLC46$16.4K0.01%−2−4.2%Reduced
Howard Hughes Medical Institute46$16.4K0.01%+46New
Bank of New Hampshire45$16.1K0.00%00.0%Unchanged
Ogorek Anthony Joseph47$16.0K0.00%−6−11.3%Reduced
Atlantic Trust, LLC43$15.4K0.00%+8+22.9%Added
Lummis Asset Management, LP43$15.3K0.01%00.0%Unchanged
Valley National Advisers Inc43$15.0K0.00%−2−4.4%Reduced
McIlrath & Eck, LLC42$15.0K0.00%00.0%Unchanged
Fortitude Family Office, LLC42$15.0K0.00%+10+31.3%Added
GPS Wealth Strategies Group, LLC40$14.4K0.00%+3+8.1%Added
United Community Bank40$14.3K0.00%00.0%Unchanged
Riggs Asset Managment Co. Inc.38$13.6K0.00%+36+1,800.0%Added
Raffa Wealth Management, LLC36$12.8K0.00%−5−12.2%Reduced
Princeton Global Asset Management LLC36$12.8K0.00%+36New
Mowery & Schoenfeld Wealth Management, LLC35$12.5K0.02%+20+133.3%Added
Westside Investment Management, Inc.35$12.5K0.00%+28+400.0%Added
Whipplewood Advisors, LLC35$12.5K0.01%−30−46.2%Reduced
SBI Securities Co., Ltd.34$12.1K0.00%+16+88.9%Added
Solstein Capital, LLC34$12.1K0.01%+34New
Caitong International Asset Management Co., Ltd34$12.1K0.01%+34New
Cherry Tree Wealth Management, LLC33$11.8K0.00%00.0%Unchanged
Coastline Trust Co30$10.7K0.00%00.0%Unchanged
Kilter Group LLC30$10.7K0.00%+30New
Armstrong Advisory Group, Inc28$9.99K0.00%00.0%Unchanged
Financial Management Professionals, Inc.28$9.99K0.00%00.0%Unchanged
Activest Wealth Management25$8.92K0.00%−19−43.2%Reduced
Byrne Asset Management LLC25$8.92K0.01%00.0%Unchanged
Sunbelt Securities, Inc.24$8.62K0.00%+1+4.3%Added
Abound Wealth Management24$8.57K0.00%−2−7.7%Reduced
CoreCap Advisors, LLC24$8.56K0.00%−15−38.5%Reduced
Bare Financial Services, Inc24$8.56K0.00%+18+300.0%Added
UMA Financial Services, Inc.23$8.22K0.00%+1+4.5%Added
Glen Eagle Advisors, LLC23$8.21K0.00%00.0%Unchanged
Beacon Capital Management, LLC21$7.53K0.00%00.0%Unchanged
Kings Path Partners LLC21$7.49K0.00%00.0%Unchanged
Sierra Ocean, LLC21$7.49K0.01%00.0%Unchanged
Sachetta, LLC21$7.49K0.00%+4+23.5%Added
Principia Wealth Advisory, LLC21$7.49K0.01%+14+200.0%Added
DT Investment Partners, LLC20$7.14K0.00%00.0%Unchanged
First Pacific Financial20$7.14K0.00%+6+42.9%Added
Cornerstone Planning Group LLC18$6.51K0.00%−18−50.0%Reduced
Avion Wealth19$6.00K0.00%+3+18.8%Added
Dunhill Financial, LLC16$5.79K0.00%00.0%Unchanged
Valued Wealth Advisors LLC16$5.71K0.00%−1−5.9%Reduced
Albion Financial Group16$5.71K0.00%00.0%Unchanged
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
Battery Global Advisors, LLC15$5.39K0.00%00.0%Unchanged
PFS Partners, LLC15$5.35K0.00%00.0%Unchanged
WPG Advisers, LLC15$5.35K0.00%+1+7.1%Added
Colonial Trust Co14$5.15K0.00%−40−74.1%Reduced
Beaird Harris Wealth Management, LLC14$5.07K0.00%+3+27.3%Added
Atlantic Edge Private Wealth Management, LLC13$4.64K0.00%00.0%Unchanged
Crews Bank & Trust13$4.64K0.00%00.0%Unchanged
IMG Wealth Management, Inc.13$4.64K0.00%+13New
Mendota Financial Group, LLC12$4.28K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.12$4.28K0.00%00.0%Unchanged
Clark Wealth Partners12$4.28K0.00%00.0%Unchanged
Webster Bank, N. A.12$4.28K0.00%+12New
Dogwood Wealth Management LLC12$4.25K0.00%+8+200.0%Added
GFG Capital, LLC11$3.92K0.00%+11New
Evelyn Partners Asset Management Ltd11$3.92K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.10$3.59K0.00%00.0%Unchanged
Park Square Financial Group, LLC10$3.57K0.00%−13−56.5%Reduced
CBIZ Investment Advisory Services, LLC10$3.57K0.00%+5+100.0%Added
DecisionPoint Financial, LLC9$3.21K0.00%+4+80.0%Added
New Millennium Group LLC9$3.21K0.00%00.0%Unchanged
Wealth Preservation Advisors, LLC9$3.21K0.00%00.0%Unchanged
True Wealth Design, LLC9$3.19K0.00%+1+12.5%Added
TFC Financial Management8$2.86K0.00%00.0%Unchanged
Country Trust Bank8$2.85K0.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC8$2.85K0.00%+4+100.0%Added
HighMark Wealth Management LLC7$2.53K0.00%00.0%Unchanged
Core Alternative Capital7$2.50K0.00%00.0%Unchanged
MPWM Advisory Solutions, LLC7$2.50K0.00%00.0%Unchanged
TD Capital Management LLC6$2.15K0.00%00.0%Unchanged
Highline Wealth Partners LLC6$2.14K0.00%−4−40.0%Reduced
WealthTrak Capital Management LLC6$2.14K0.00%−3−33.3%Reduced
NVWM, LLC6$2.14K0.00%00.0%Unchanged
SJS Investment Consulting Inc.5$1.78K0.00%−3−37.5%Reduced