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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
Capital Analysts, LLC450$161.0K0.00%00.0%Unchanged
Smithfield Trust Co466$164.0K0.01%00.0%Unchanged
Cary Street Partner Investment Advisory LLC476$169.7K0.07%+239+100.8%Added
Ameritas Advisory Services, LLC489$174.5K0.01%+214+77.8%Added
Financial Freedom, LLC492$175.3K0.09%00.0%Unchanged
Principal Securities, Inc.500$178.3K0.00%−12−2.3%Reduced
Addison Advisors LLC500$178.3K0.04%00.0%Unchanged
Ameriflex Group, Inc.500$178.3K0.07%+250+100.0%Added
Sofos Investments, Inc.501$178.6K0.04%+501New
Oakworth Capital, Inc.517$184.4K0.01%+65+14.4%Added
Walleye Capital LLC546$194.7K0.00%−1,710−75.8%Reduced
High Note Wealth, LLC546$194.7K0.04%00.0%Unchanged
Carolina Wealth Advisors, LLC557$198.6K0.09%00.0%Unchanged
Fort Sheridan Advisors LLC566$201.8K0.03%+566New
Aprio Wealth Management, LLC567$202.0K0.02%+567New
Focus Financial Network, Inc.570$203.1K0.01%−7−1.2%Reduced
D'Orazio & Associates, Inc.571$203.6K0.03%+5+0.9%Added
Boston Private Wealth LLC571$203.6K0.01%−58−9.2%Reduced
Genesis Private Wealth, LLC575$205.0K0.09%−14−2.4%Reduced
Colonial Trust Advisors575$205.0K0.02%00.0%Unchanged
Grove Street Fiduciary, LLC576$205.4K0.10%00.0%Unchanged
Acorn Creek Capital LLC578$206.0K0.08%+4+0.7%Added
Options Solutions, LLC578$206.1K0.16%00.0%Unchanged
Natural Investments, LLC587$209.0K0.05%−2−0.3%Reduced
Fisher Asset Management, LLC586$209.1K0.00%−186−24.1%Reduced
HCR Wealth Advisors581$209.6K0.02%−1−0.2%Reduced
Cromwell Holdings LLC588$209.7K0.11%00.0%Unchanged
Onefund, LLC591$210.7K0.14%+20+3.5%Added
Sunpointe, LLC593$211.6K0.08%00.0%Unchanged
Resonant Capital Advisors, LLC595$212.2K0.01%+595New
Carlson Capital L P600$213.9K0.12%+600New
Catalyst Funds Management Pty Ltd600$213.9K0.03%+600New
Blue Rock Wealth Management LLC600$213.9K0.13%+600New
Axq Capital, LP601$214.3K0.08%+601New
Verus Capital Partners, LLC605$215.7K0.02%00.0%Unchanged
McDonald Partners LLC608$216.8K0.06%00.0%Unchanged
Cornerstone Advisory, LLC608$216.8K0.02%+10+1.7%Added
TCI Wealth Advisors, Inc.608$216.8K0.01%+16+2.7%Added
Lewis Asset Management, LLC609$217.2K0.09%00.0%Unchanged
Beacon Investment Advisory Services, Inc.609$217.2K0.01%−30−4.7%Reduced
Signature Estate & Investment Advisors LLC610$217.5K0.00%−2−0.3%Reduced
Flagship Harbor Advisors, LLC611$217.8K0.01%+12+2.0%Added
Welch & Forbes LLC613$218.6K0.00%−200−24.6%Reduced
Flower City Capital613$218.6K0.12%−161−20.8%Reduced
Mill Creek Capital Advisors, LLC615$219.3K0.00%+34+5.9%Added
Seeds Investor LLC619$220.9K0.05%−11−1.7%Reduced
Westpac Banking Corp620$221.1K0.01%+33+5.6%Added
Gitterman Wealth Management, LLC622$221.8K0.05%00.0%Unchanged
Fourth Dimension Wealth, LLC622$221.8K0.08%+622New
Canopy Partners, LLC623$222.1K0.07%+12+2.0%Added
Balentine LLC627$223.6K0.01%+5+0.8%Added
Main Street Research LLC627$223.6K0.01%+7+1.1%Added
Inscription Capital, LLC631$224.9K0.02%+631New
KCM Investment Advisors LLC636$226.8K0.01%+34+5.6%Added
Chancellor Financial Group WB LP642$228.9K0.16%00.0%Unchanged
ARS Investment Partners, LLC645$230.0K0.02%00.0%Unchanged
Dover Advisors, LLC647$230.7K0.09%+22+3.5%Added
Matrix Asset Advisors Inc648$231.1K0.02%00.0%Unchanged
Goldstream Capital Management Ltd649$231.4K0.08%00.0%Unchanged
Uhlmann Price Securities, LLC651$232.1K0.14%00.0%Unchanged
Center for Financial Planning, Inc.653$232.8K0.02%00.0%Unchanged
Wrapmanager Inc655$233.6K0.07%−413−38.7%Reduced
Patton Fund Management, Inc.655$233.6K0.04%+655New
Maridea Wealth Management LLC679$233.7K0.04%+679New
REAP Financial Group, LLC657$234.4K0.05%+1+0.2%Added
Massmutual Trust Co FSB658$234.6K0.01%−62−8.6%Reduced
Dougherty Wealth Advisers LLC659$235.0K0.15%00.0%Unchanged
Hopwood Financial Services, Inc.660$235.3K0.16%00.0%Unchanged
LRI Investments, LLC669$238.7K0.02%+55+9.0%Added
First Horizon Corp671$239.3K0.01%+671New
Waddell & Associates, LLC676$241.0K0.02%+47+7.5%Added
Asset Dedication, LLC680$242.5K0.02%+7+1.0%Added
Community Bank & Trust, Waco, Texas681$243.0K0.05%+58+9.3%Added
Kayne Anderson Rudnick Investment Management LLC684$244.1K0.00%00.0%Unchanged
NovaPoint Capital, LLC685$244.3K0.06%+685New
Concurrent Investment Advisors, LLC685$244.3K0.00%+11+1.6%Added
Granite Group Advisors, LLC689$245.7K0.15%00.0%Unchanged
Alpha Family Trust690$246.0K0.12%00.0%Unchanged
Benjamin Edwards Inc690$246.2K0.00%+72+11.7%Added
Nilsine Partners, LLC691$246.4K0.02%−14−2.0%Reduced
Sentry Investment Management LLC679$248.0K0.17%+27+4.1%Added
Fullcircle Wealth LLC726$249.9K0.09%−1−0.1%Reduced
Harris Associates L PSuperinvestorHarris Associates (Oakmark)704$251.0K0.00%+5+0.7%Added
Blue Barn Wealth, LLC707$252.1K0.11%−51−6.7%Reduced
New Capital Management LP707$252.1K0.07%−34−4.6%Reduced
Clifford Group, LLC710$253.3K0.20%00.0%Unchanged
Steinberganna Wealth Management712$253.9K0.12%+712New
Venture Visionary Partners LLC714$254.7K0.01%−8−1.1%Reduced
Norris Perne & French LLP715$255.0K0.02%−15−2.1%Reduced
Central Pacific Bank - Trust Division715$255.0K0.03%+715New
River Wealth Advisors LLC718$256.0K0.03%00.0%Unchanged
Csenge Advisory Group719$256.4K0.01%−218−23.3%Reduced
Alpine Bank Wealth Management725$258.5K0.04%00.0%Unchanged
Great Lakes Advisors, LLC728$259.6K0.00%−110−13.1%Reduced
Fragasso Group Inc.714$259.8K0.02%+27+3.9%Added
McLean Asset Management Corp711$259.9K0.05%−10−1.4%Reduced
Penobscot Investment Management Company, Inc.730$260.3K0.02%00.0%Unchanged
Potomac Fund Management Inc731$260.6K0.01%+731New
Net Worth Advisory Group735$262.0K0.08%−20−2.6%Reduced
FSM Wealth Advisors, LLC735$262.1K0.04%−3−0.4%Reduced