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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 2026

Institutional positions in Aon plc as of Jun 30, 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
1,273
+25 vs. Q1 2026
Shares held
192.7M
+5.20M (+2.8%) vs. Q1 2026
Total value
$63.9B
+$3.31B (+5.5%) vs. Q1 2026
New holders
140
472 more added
Sold out
115
458 more reduced

17 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 1,273 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 2026: $63.9B
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 2026

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q1 2026.

Institutions holding AON in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Synergy Investment Management, LLC26$9.35K0.00%+15+136.4%Added
Albion Financial Group30$9.95K0.00%00.0%Unchanged
Coastline Trust Co30$9.95K0.00%00.0%Unchanged
Avion Wealth31$10.0K0.00%−4−11.4%Reduced
Princeton Global Asset Management LLC31$10.3K0.00%+3+10.7%Added
Bay Harbor Wealth Management, LLC31$10.3K0.00%+8+34.8%Added
Westfuller Advisors, LLC31$10.4K0.00%−11−26.2%Reduced
Cherry Tree Wealth Management, LLC33$10.9K0.00%00.0%Unchanged
Dogwood Wealth Management LLC33$10.9K0.00%+19+135.7%Added
Ogorek Anthony Joseph36$11.0K0.00%−1−2.7%Reduced
Prosperity Bancshares Inc35$11.6K0.01%00.0%Unchanged
CoreCap Advisors, LLC35$11.6K0.00%+3+9.4%Added
Kilter Group LLC36$11.9K0.00%+6+20.0%Added
Nvest Wealth Strategies, Inc.36$11.9K0.01%+4+12.5%Added
Highline Wealth Partners LLC37$12.3K0.00%+7+23.3%Added
South State Corp.38$12.6K0.00%−15−28.3%Reduced
Monetary Solutions, Ltd40$13.3K0.01%00.0%Unchanged
Lodestone Wealth Management LLC41$13.6K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC41$13.6K0.00%−11−21.2%Reduced
Raffa Wealth Management, LLC42$13.9K0.00%+4+10.5%Added
Lummis Asset Management, LP43$14.3K0.01%00.0%Unchanged
Aspect Partners, LLC45$14.9K0.01%−5−10.0%Reduced
Bank of New Hampshire45$14.9K0.00%00.0%Unchanged
Pin Oak Investment Advisors Inc45$15.0K0.01%−115−71.9%Reduced
Wealth Enhancement Trust Services, Inc.46$15.3K0.00%+46New
Meeder Asset Management Inc48$15.9K0.00%+10+26.3%Added
Clear Street Markets LLC50$16.6K0.00%+15+42.9%Added
Ritter Daniher Financial Advisory LLC52$17.2K0.00%00.0%Unchanged
SOA Wealth Advisors, LLC.54$17.9K0.00%00.0%Unchanged
Sit Investment Associates Inc54$18.0K0.00%00.0%Unchanged
Asset Planning,Inc58$19.3K0.01%00.0%Unchanged
Bell Investment Advisors, Inc59$19.6K0.00%−20−25.3%Reduced
Arlington Trust Co LLC60$19.9K0.00%+24+66.7%Added
IFG Advisory, LLC61$20.3K0.00%+61New
Trust Co of Toledo NA62$20.6K0.00%−40−39.2%Reduced
Washington Trust Advisors, Inc.62$20.6K0.00%−31−33.3%Reduced
Key Financial Inc64$21.2K0.00%00.0%Unchanged
Ares Financial Consulting, LLC64$21.2K0.02%+3+4.9%Added
Hughes Financial Services, LLC65$21.6K0.00%+6+10.2%Added
Silicon Valley Capital Partners67$22.3K0.00%+67New
Gunpowder Capital Management, LLC dba Oliver Wealth Management68$22.6K0.02%00.0%Unchanged
Salomon & Ludwin, LLC69$23.7K0.00%−33−32.4%Reduced
Westside Investment Management, Inc.72$23.9K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC74$24.6K0.00%00.0%Unchanged
University of Texas/Texas Am Investment Managment Co76$25.2K0.00%00.0%Unchanged
EFG International AG79$26.2K0.00%+28+54.9%Added
Action Point Financial Planning, LLC86$26.5K0.00%+86New
Rational Advisors LLC80$26.5K0.00%+8+11.1%Added
Frazier Financial Advisors, LLC81$26.9K0.01%−37−31.4%Reduced
Fortitude Family Office, LLC81$26.9K0.01%+7+9.5%Added
Wilkerson Advisory Group LLC85$28.2K0.01%+33+63.5%Added
Kemnay Advisory Services Inc.89$29.5K0.00%+5+6.0%Added
Cornerstone Planning Group LLC84$29.6K0.00%+6+7.7%Added
E Fund Management (Hong Kong) Co., Ltd.90$29.9K0.01%+61+210.3%Added
UMA Financial Services, Inc.91$30.2K0.00%+43+89.6%Added
Millstone Evans Group, LLC92$30.5K0.02%+2+2.2%Added
Mascoma Wealth Management LLC94$31.2K0.01%00.0%Unchanged
Pinnacle Bancorp, Inc.94$31.2K0.01%00.0%Unchanged
Transamerica Financial Advisors, Inc.97$32.2K0.00%−7−6.7%Reduced
Harbor Investment Advisory, LLC99$32.8K0.00%−70−41.4%Reduced
Joseph Group Capital Management99$32.8K0.01%+38+62.3%Added
TSFG, LLC99$33.0K0.00%+7+7.6%Added
Medallion Wealth Advisors, LLC100$33.2K0.01%00.0%Unchanged
Measured Wealth Private Client Group, LLC103$34.2K0.01%00.0%Unchanged
Southern Michigan Bank & Trust108$35.8K0.01%00.0%Unchanged
Boreal Capital Management LLC111$36.8K0.03%−100−47.4%Reduced
Covestor Ltd114$38.0K0.02%+8+7.5%Added
Cornerstone Financial Management LLC120$39.8K0.03%+14+13.2%Added
Valley National Advisers Inc122$40.5K0.00%+67+121.8%Added
GW&K Investment Management, LLC134$44.0K0.00%+11+8.9%Added
Quent Capital, LLC135$44.8K0.00%−42−23.7%Reduced
Boyd Watterson Asset Management LLC138$45.8K0.01%00.0%Unchanged
Coston, McIsaac & Partners140$46.0K0.01%00.0%Unchanged
Capital Advisors, Ltd. LLC148$49.0K0.00%+75+102.7%Added
Farmers & Merchants Investments Inc148$49.1K0.00%−44−22.9%Reduced
First United Bank Trust150$49.8K0.01%00.0%Unchanged
Provenance Wealth Advisors, LLC150$49.8K0.00%+150New
Bruce G. Allen Investments, LLC153$50.7K0.03%+29+23.4%Added
SJS Investment Consulting Inc.156$51.7K0.01%+27+20.9%Added
Silver Grove Financial Group, Inc.157$52.1K0.03%+155+7,750.0%Added
Nemes Rush Group LLC159$52.8K0.00%00.0%Unchanged
West Financial Advisors, LLC162$53.7K0.01%00.0%Unchanged
Grove Bank & Trust164$54.4K0.01%−1,002−85.9%Reduced
St Germain D J Co Inc167$55.4K0.00%00.0%Unchanged
Loring Wolcott & Coolidge Fiduciary Advisors LLP174$57.7K0.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.176$58.4K0.01%+63+55.8%Added
Cassaday & Co Wealth Management LLC177$58.7K0.00%−13−6.8%Reduced
Institute for Wealth Management, LLC.182$60.4K0.01%+182New
Rosenberg Matthew Hamilton184$61.0K0.01%−2−1.1%Reduced
Hollencrest Capital Management185$61.4K0.00%00.0%Unchanged
Continuum Advisory, LLC189$62.7K0.01%+189New
Group One Trading, L.P.200$66.3K0.00%+200New
Cape Investment Advisory, Inc.201$66.7K0.02%+201New
NBC Securities, Inc.206$68.3K0.00%−1,383−87.0%Reduced
Alerus Financial NA206$68.3K0.00%00.0%Unchanged
Godfrey Financial Associates, Inc.210$69.7K0.05%00.0%Unchanged
Rossby Financial, LCC211$70.0K0.01%+53+33.5%Added
ZRC Wealth Management, LLC221$73.3K0.02%+58+35.6%Added
Eastern Bank224$74.3K0.00%−45−16.7%Reduced
Compagnie Lombard Odier SCmA231$76.6K0.00%+231New