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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, Q1 2025

Institutional positions in Aon plc as of Mar 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
1,275
+99 vs. Q4 2024
Shares held
193.6M
+2.23M (+1.2%) vs. Q4 2024
Total value
$77.1B
+$8.37B (+12.2%) vs. Q4 2024
New holders
168
469 more added
Sold out
69
398 more reduced

19 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 1,275 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 heldQ1 2025: $77.1B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q4 2024.

Institutions holding AON in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Y.D. More Investments Ltd305$3270.00%+37+13.8%Added
Hara Capital LLC1$3990.00%00.0%Unchanged
Brown, Lisle/Cummings, Inc.1$3990.00%+1New
Bartlett & Co. Wealth Management LLC1$3990.00%+1New
ROSS\JOHNSON & Associates LLC1$3990.01%+1New
Tradewinds Capital Management, LLC1$4000.00%00.0%Unchanged
Rialto Wealth Management, LLC1$4000.00%+1New
HFM Investment Advisors, LLC1$4000.00%+1New
Quest 10 Wealth Builders, Inc.1$4550.00%−12−92.3%Reduced
PEAK6 LLC2$7220.00%+2New
Continuum Advisory, LLC2$7980.00%−2−50.0%Reduced
Chesapeake Asset Management LLC2$7980.00%00.0%Unchanged
Parkworth Wealth Management, Inc.2$7980.00%00.0%Unchanged
Capital A Wealth Management, LLC2$7980.00%00.0%Unchanged
Stonebridge Financial Group, LLC2$7980.00%+2New
Riggs Asset Managment Co. Inc.2$7990.00%00.0%Unchanged
American Capital Advisory, LLC2$7990.00%+2New
Semmax Financial Advisors Inc.3$1.06K0.00%+3New
PayPay Securities Corp2$1.07K0.06%−6−75.0%Reduced
Contravisory Investment Management, Inc.3$1.20K0.00%00.0%Unchanged
Clean Yield Group3$1.20K0.00%00.0%Unchanged
JDM Financial Group LLC3$1.20K0.00%00.0%Unchanged
Provenance Wealth Advisors, LLC3$1.20K0.00%00.0%Unchanged
Perkins Coie Trust Co3$1.20K0.00%+3New
Raleigh Capital Management Inc.4$1.60K0.00%−76−95.0%Reduced
Rakuten Securities, Inc.4$1.60K0.00%+3+300.0%Added
Bay Harbor Wealth Management, LLC4$1.60K0.00%+4New
Marshall & Sterling Wealth Advisors Inc.4$1.60K0.00%+4New
Dogwood Wealth Management LLC4$1.60K0.00%+4New
Binnacle Investments Inc4$1.60K0.00%+4New
Wolff Wiese Magana LLC4$1.60K0.00%00.0%Unchanged
Pacifica Partners Inc.5$1.97K0.00%+5New
First Command Advisory Services, Inc.5$2.00K0.00%+5New
CBIZ Investment Advisory Services, LLC5$2.00K0.00%+5New
DecisionPoint Financial, LLC5$2.00K0.00%00.0%Unchanged
Redwood Park Advisors LLC5$2.00K0.00%00.0%Unchanged
ORG Partners LLC6$2.39K0.00%−213−97.3%Reduced
NVWM, LLC6$2.40K0.00%+1+20.0%Added
WestEnd Advisors, LLC6$2.40K0.00%+4+200.0%Added
Bare Financial Services, Inc6$2.40K0.00%+6New
TD Capital Management LLC6$2.40K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC7$2.61K0.00%+2+40.0%Added
Westside Investment Management, Inc.7$2.79K0.00%00.0%Unchanged
Core Alternative Capital7$2.79K0.00%00.0%Unchanged
MPWM Advisory Solutions, LLC7$2.79K0.00%00.0%Unchanged
HighMark Wealth Management LLC7$2.83K0.00%−2−22.2%Reduced
True Wealth Design, LLC8$3.17K0.00%+6+300.0%Added
Bayforest Capital Ltd8$3.19K0.00%−122−93.8%Reduced
Country Trust Bank8$3.19K0.00%00.0%Unchanged
SJS Investment Consulting Inc.8$3.19K0.00%+1+14.3%Added
TFC Financial Management8$3.20K0.00%00.0%Unchanged
New Millennium Group LLC9$3.59K0.00%00.0%Unchanged
WealthTrak Capital Management LLC9$3.59K0.00%+4+80.0%Added
Wealth Preservation Advisors, LLC9$3.59K0.00%+9New
Highline Wealth Partners LLC10$3.99K0.00%−3−23.1%Reduced
Blume Capital Management, Inc.10$3.99K0.00%+10New
Newbridge Financial Services Group, Inc.10$4.00K0.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC11$4.39K0.00%00.0%Unchanged
Evelyn Partners Asset Management Ltd11$4.39K0.00%00.0%Unchanged
Clark Wealth Partners12$4.79K0.00%00.0%Unchanged
Mendota Financial Group, LLC12$4.79K0.01%00.0%Unchanged
DiNuzzo Private Wealth, Inc.12$4.79K0.00%00.0%Unchanged
Avion Wealth16$5.00K0.00%00.0%Unchanged
Crews Bank & Trust13$5.19K0.00%00.0%Unchanged
Atlantic Edge Private Wealth Management, LLC13$5.19K0.00%00.0%Unchanged
WPG Advisers, LLC14$5.59K0.01%−3−17.6%Reduced
First Pacific Financial14$5.59K0.00%+3+27.3%Added
Fairman Group, LLC16$5.75K0.01%00.0%Unchanged
POM Investment Strategies, LLC15$5.99K0.01%00.0%Unchanged
PFS Partners, LLC15$5.99K0.00%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC15$6.00K0.01%−2−11.8%Reduced
Battery Global Advisors, LLC15$6.02K0.00%00.0%Unchanged
Creative Financial Designs Inc16$6.38K0.00%−15−48.4%Reduced
Rocky Mountain Advisers, LLC16$6.38K0.00%00.0%Unchanged
Greenline Partners, LLC16$6.38K0.00%+16New
Albion Financial Group16$6.39K0.00%−31−66.0%Reduced
Dunhill Financial, LLC16$6.54K0.00%−11−40.7%Reduced
Valued Wealth Advisors LLC17$6.79K0.00%00.0%Unchanged
Sachetta, LLC17$6.79K0.00%00.0%Unchanged
City Holding Co18$7.18K0.00%+18New
SBI Securities Co., Ltd.18$7.18K0.00%−3−14.3%Reduced
Bogart Wealth, LLC19$7.58K0.00%+19New
DT Investment Partners, LLC20$7.98K0.00%00.0%Unchanged
Kings Path Partners LLC21$8.38K0.00%00.0%Unchanged
Sierra Ocean, LLC21$8.38K0.01%00.0%Unchanged
Beacon Capital Management, LLC21$8.41K0.00%00.0%Unchanged
UMA Financial Services, Inc.22$8.79K0.00%00.0%Unchanged
Park Square Financial Group, LLC23$9.18K0.01%−34−59.6%Reduced
Sunbelt Securities, Inc.23$9.18K0.00%−1−4.2%Reduced
Glen Eagle Advisors, LLC23$9.18K0.00%00.0%Unchanged
Byrne Asset Management LLC25$9.98K0.01%00.0%Unchanged
Armstrong Advisory Group, Inc28$10.1K0.00%00.0%Unchanged
Abound Wealth Management26$10.4K0.00%−13−33.3%Reduced
Financial Management Professionals, Inc.28$11.2K0.00%−15−34.9%Reduced
Quent Capital, LLC29$11.6K0.00%−7−19.4%Reduced
Coastline Trust Co30$12.0K0.00%00.0%Unchanged
Fortitude Family Office, LLC32$12.8K0.00%00.0%Unchanged
Cherry Tree Wealth Management, LLC33$13.2K0.00%00.0%Unchanged
Cornerstone Planning Group LLC36$13.3K0.00%+25+227.3%Added
Atlantic Trust, LLC35$14.0K0.00%+35New