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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 2026

Institutional positions in Aon plc as of Mar 31, 2026. 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
1,265
−3 vs. Q4 2025
Shares held
187.6M
+22.2M (+13.4%) vs. Q4 2025
Total value
$60.6B
+$2.27B (+3.9%) vs. Q4 2025
New holders
142
485 more added
Sold out
145
417 more reduced

20 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,265 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 2026: $60.6B
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 2026

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q4 2025.

Institutions holding AON in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Mowery & Schoenfeld Wealth Management, LLC0$90.00%−44−100.0%Reduced
Y.D. More Investments Ltd137$1400.00%−18−11.6%Reduced
Clayton Financial Group LLC1$3230.00%−5−83.3%Reduced
Brown, Lisle/Cummings, Inc.1$3230.00%00.0%Unchanged
Tradewinds Capital Management, LLC1$3230.00%00.0%Unchanged
Elevated Capital Advisors, LLC1$3230.00%00.0%Unchanged
Hara Capital LLC1$3230.00%00.0%Unchanged
Legacy Wealth Managment, LLC1$3230.00%00.0%Unchanged
ROSS\JOHNSON & Associates LLC1$3230.01%00.0%Unchanged
3 Factor Indexing, LLC1$3230.00%+1New
Investors Portfolio Services LLC2$5620.00%00.0%Unchanged
Redwood Park Advisors LLC2$6460.00%−3−60.0%Reduced
Richardson Financial Services Inc.2$6460.00%00.0%Unchanged
Davis Capital Management2$6460.00%+1+100.0%Added
MBM Wealth Consultants, LLC2$6460.00%+2New
Napier Financial, LLC2$6460.00%+2New
Portus Wealth Advisors, LLC2$6460.00%+2New
TopTier Wealth Management, LLC2$6460.00%+2New
Silver Grove Financial Group, Inc.2$6460.00%+2New
NVWM, LLC3$9680.00%−4−57.1%Reduced
Curio Wealth, LLC3$9680.00%+3New
Intentional Wealth Strategies, LLC3$9680.00%+3New
Arcadia Investment Management Corp3$9690.00%00.0%Unchanged
Seneschal Advisors, LLC3$9690.00%00.0%Unchanged
Rakuten Securities, Inc.4$1.29K0.00%−2−33.3%Reduced
Torren Management, LLC4$1.29K0.00%00.0%Unchanged
Wolff Wiese Magana LLC4$1.29K0.00%00.0%Unchanged
RMG Wealth Management LLC5$1.56K0.00%00.0%Unchanged
Bare Financial Services, Inc5$1.61K0.00%−16−76.2%Reduced
Tidemark, LLC5$1.61K0.00%00.0%Unchanged
Pacifica Partners Inc.5$1.61K0.00%00.0%Unchanged
Signature Equity Partners, LLC5$1.62K0.00%−6−54.5%Reduced
Quaker Wealth Management, LLC6$1.94K0.00%+3+100.0%Added
Raleigh Capital Management Inc.6$1.94K0.00%+6New
Colonial Trust Co6$2.02K0.00%−25−80.6%Reduced
WestEnd Advisors, LLC7$2.26K0.00%00.0%Unchanged
Proathlete Wealth Management LLC7$2.26K0.00%00.0%Unchanged
MPWM Advisory Solutions, LLC7$2.26K0.00%00.0%Unchanged
HFM Investment Advisors, LLC7$2.26K0.00%+2+40.0%Added
Park Place Capital Corp7$2.26K0.00%+7New
HighMark Wealth Management LLC7$2.30K0.00%00.0%Unchanged
PayPay Securities Corp7$2.35K0.08%−3−30.0%Reduced
Fairman Group, LLC8$2.58K0.00%00.0%Unchanged
TFC Financial Management8$2.59K0.00%00.0%Unchanged
Bogart Wealth, LLC9$2.90K0.00%+4+80.0%Added
DecisionPoint Financial, LLC9$2.91K0.00%00.0%Unchanged
American Capital Advisory, LLC9$2.91K0.00%+6+200.0%Added
Corsicana & Co.8$3.19K0.00%00.0%Unchanged
First Command Advisory Services, Inc.10$3.23K0.00%+3+42.9%Added
Burk Holdings LLC10$3.23K0.00%+10New
Newbridge Financial Services Group, Inc.10$3.27K0.00%00.0%Unchanged
WPG Advisers, LLC11$3.55K0.00%−4−26.7%Reduced
Evelyn Partners Asset Management Ltd11$3.55K0.00%00.0%Unchanged
Synergy Investment Management, LLC11$3.55K0.00%+11New
Beaird Harris Wealth Management, LLC11$3.62K0.00%00.0%Unchanged
Dunhill Financial, LLC11$3.63K0.00%−7−38.9%Reduced
Webster Bank, N. A.12$3.87K0.00%00.0%Unchanged
City Holding Co12$3.87K0.00%00.0%Unchanged
Piscataqua Savings Bank12$3.87K0.00%00.0%Unchanged
Vermillion Wealth Management, Inc.12$3.87K0.00%+12New
Rialto Wealth Management, LLC12$3.87K0.00%+3+33.3%Added
1015 Capital Partners, LLC13$4.20K0.00%−1−7.1%Reduced
Crews Bank & Trust13$4.20K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC13$4.20K0.00%+3+30.0%Added
Atlantic Edge Private Wealth Management, LLC13$4.20K0.00%−115−89.8%Reduced
Dogwood Wealth Management LLC14$4.52K0.00%+8+133.3%Added
Richardson Capital Management LLC14$4.52K0.00%+14New
PFS Partners, LLC15$4.84K0.00%00.0%Unchanged
Creative Financial Designs Inc15$4.84K0.00%00.0%Unchanged
Battery Global Advisors, LLC15$4.91K0.00%00.0%Unchanged
Sound Income Strategies, LLC16$5.14K0.00%−12−42.9%Reduced
Country Trust Bank16$5.16K0.00%00.0%Unchanged
Rocky Mountain Advisers, LLC16$5.16K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.16$5.17K0.00%−2−11.1%Reduced
Valued Wealth Advisors LLC16$5.17K0.00%00.0%Unchanged
TD Capital Management LLC16$5.19K0.00%+10+166.7%Added
Bartlett & Co. Wealth Management LLC17$5.37K0.00%+17New
Meramec Financial Planners, LLC17$5.64K0.00%−3−15.0%Reduced
Strive Financial Group ,LLC19$6.00K0.00%+19New
DT Investment Partners, LLC20$6.46K0.00%−38−65.5%Reduced
SBI Securities Co., Ltd.20$6.46K0.00%−12−37.5%Reduced
Phillip James Consulting Co.22$7.00K0.01%+22New
Financial Management Professionals, Inc.22$7.10K0.00%−12−35.3%Reduced
Bay Harbor Wealth Management, LLC23$7.42K0.00%+4+21.1%Added
Glen Eagle Advisors, LLC23$7.42K0.00%00.0%Unchanged
Abound Wealth Management24$7.75K0.00%00.0%Unchanged
Byrne Asset Management LLC25$8.07K0.00%00.0%Unchanged
Sachetta, LLC27$8.72K0.00%+6+28.6%Added
Princeton Global Asset Management LLC28$9.04K0.00%−8−22.2%Reduced
Bayban28$9.04K0.01%00.0%Unchanged
E Fund Management (Hong Kong) Co., Ltd.29$9.36K0.00%+27+1,350.0%Added
Whipplewood Advisors, LLC29$9.36K0.00%+29New
Coastline Trust Co30$9.68K0.00%00.0%Unchanged
Highline Wealth Partners LLC30$9.68K0.00%+24+400.0%Added
Kilter Group LLC30$9.68K0.00%−4−11.8%Reduced
Albion Financial Group30$9.68K0.00%00.0%Unchanged
Nvest Wealth Strategies, Inc.32$10.3K0.01%00.0%Unchanged
CoreCap Advisors, LLC32$10.3K0.00%+11+52.4%Added
Cherry Tree Wealth Management, LLC33$10.7K0.00%00.0%Unchanged
Ogorek Anthony Joseph37$11.0K0.00%−1−2.6%Reduced