Skip to main content

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
Catalyst Capital Advisors LLC3,934$1.40M0.03%−19−0.5%Reduced
Huntington National Bank3,936$1.40M0.01%−171−4.2%Reduced
Mattern Capital Management, LLC3,941$1.41M0.17%+704+21.7%Added
Auxier Asset Management3,967$1.41M0.20%00.0%Unchanged
Greenleaf Trust3,983$1.42M0.01%−515−11.4%Reduced
Ellis Investment Partners, LLC3,985$1.42M0.26%00.0%Unchanged
Dynasty Wealth Management, LLC3,997$1.43M0.02%−604−13.1%Reduced
Chesley Taft & Associates LLC4,072$1.45M0.06%00.0%Unchanged
Logan Capital Management Inc4,078$1.45M0.06%+2,633+182.2%Added
Applied Finance Capital Management, LLC4,087$1.46M0.10%+24+0.6%Added
MUFG Securities EMEA plc4,127$1.47M0.04%+3,490+547.9%Added
FJ Capital Management LLC4,176$1.49M0.16%+4,176New
Accredited Investors Inc.4,194$1.50M0.08%−28−0.7%Reduced
HighPoint Advisor Group LLC4,215$1.50M0.07%−75−1.7%Reduced
NBT Bank N A4,219$1.50M0.10%−35−0.8%Reduced
Vestcor Inc4,230$1.51M0.05%00.0%Unchanged
Virtu Financial LLC4,239$1.51M0.08%+4,239New
Clune & Associates, Ltd.4,245$1.51M0.38%00.0%Unchanged
Syon Capital LLC4,246$1.51M0.08%+398+10.3%Added
Private Wealth Asset Management, LLC4,260$1.52M0.18%00.0%Unchanged
Circle Wealth Management, LLC4,282$1.53M0.03%+92+2.2%Added
TD Waterhouse Canada Inc.4,296$1.54M0.01%+158+3.8%Added
Grove Bank & Trust4,374$1.56M0.18%−953−17.9%Reduced
BBR Partners, LLC4,390$1.57M0.09%+9+0.2%Added
Meeder Advisory Services, Inc.4,482$1.60M0.07%+283+6.7%Added
Canandaigua National Bank & Trust Co4,483$1.60M0.14%−20.0%Reduced
Enterprise Financial Services Corp4,490$1.60M0.83%−103−2.2%Reduced
Parkside Financial Bank & Trust4,587$1.64M0.13%−3,840−45.6%Reduced
Snowden Capital Advisors LLC4,608$1.64M0.04%−214−4.4%Reduced
Brown Brothers Harriman & Co4,617$1.65M0.01%+484+11.7%Added
Plato Investment Management Ltd4,697$1.66M0.11%−9−0.2%Reduced
Dark Forest Capital Management LP4,726$1.69M0.06%+1,014+27.3%Added
Coppell Advisory Solutions LLC4,755$1.69M0.18%+4,755New
Fiduciary Alliance LLC4,731$1.69M0.11%+168+3.7%Added
Jones Financial Companies LLLP4,780$1.70M0.00%+236+5.2%Added
Brookstone Capital Management4,853$1.73M0.02%−751−13.4%Reduced
Romano Brothers and Company4,856$1.73M0.20%−1,315−21.3%Reduced
Jain Global LLC4,858$1.73M0.02%+4,858New
Crossmark Global Holdings, Inc.4,895$1.75M0.03%−627−11.4%Reduced
CAPROCK Group, Inc.4,773$1.75M0.04%+4,773New
Triumph Capital Management4,949$1.76M0.48%00.0%Unchanged
Virtus Investment Advisers, Inc.4,962$1.77M0.51%+4,962New
Winton Group Ltd4,990$1.78M0.07%+4,990New
Cohen Klingenstein LLC5,000$1.78M0.06%00.0%Unchanged
Bayesian Capital Management, LP5,093$1.82M0.37%+2,900+132.2%Added
Y-Intercept (Hong Kong) Ltd5,129$1.83M0.04%+5,129New
Welch Group, LLC5,130$1.83M0.07%00.0%Unchanged
NorthRock Partners, LLC5,151$1.84M0.03%+552+12.0%Added
Fischer Financial Services, Inc.5,187$1.85M0.50%−126−2.4%Reduced
Personal Cfo Solutions, LLC5,194$1.85M0.33%−209−3.9%Reduced
Quadrant Capital Group LLC5,216$1.86M0.06%−1,450−21.8%Reduced
Alliance Wealth Advisors, LLC5,237$1.87M0.44%−2,190−29.5%Reduced
Vident Advisory, LLC5,321$1.90M0.02%+832+18.5%Added
United Capital Financial Advisers, LLC5,384$1.92M0.01%−191−3.4%Reduced
Annandale Capital, LLC5,421$1.93M0.34%+4,298+382.7%Added
Norden Group LLC5,476$1.95M0.20%−231−4.0%Reduced
Ashton Thomas Securities, LLC5,497$1.96M0.27%+5,497New
Kentucky Retirement Systems Insurance Trust Fund5,526$1.97M0.13%+186+3.5%Added
Gibbs Wealth Management5,530$1.97M0.45%−2,426−30.5%Reduced
Wetherby Asset Management Inc5,594$1.99M0.08%−390−6.5%Reduced
NorthCrest Asset Manangement, LLC5,461$2.00M0.05%+750+15.9%Added
Mesirow Financial Investment Management, Inc.5,646$2.01M0.04%−53−0.9%Reduced
Bridgewater Associates, LP5,705$2.03M0.01%+5,705New
Caldwell Trust Co5,710$2.04M0.19%+510+9.8%Added
Tealwood Asset Management Inc5,749$2.05M0.83%−43−0.7%Reduced
MUFG Securities Americas Inc.5,815$2.07M0.13%+1,029+21.5%Added
Gamco Investors, Inc. Et Al5,828$2.08M0.02%+228+4.1%Added
Everence Capital Management Inc5,855$2.09M0.13%+2,075+54.9%Added
Brown Advisory Inc5,951$2.12M0.00%−713−10.7%Reduced
Mitchell Capital Management Co5,966$2.13M0.36%−62−1.0%Reduced
Ossiam5,970$2.13M0.03%−754−11.2%Reduced
Ancora Advisors, LLC6,040$2.15M0.04%−97−1.6%Reduced
WoodTrust Financial Corp6,085$2.17M0.26%00.0%Unchanged
Anchor Capital Advisors LLC6,155$2.19M0.06%−198−3.1%Reduced
Coldstream Capital Management Inc6,219$2.22M0.03%−148−2.3%Reduced
Aire Advisors, LLC6,244$2.23M0.40%+12+0.2%Added
Crestwood Advisors Group LLC6,251$2.23M0.04%+126+2.1%Added
Merit Financial Group, LLC6,410$2.29M0.02%+359+5.9%Added
Private Advisor Group, LLC6,449$2.30M0.01%+79+1.2%Added
Point72 Hong Kong Ltd6,456$2.30M0.11%+6,456New
Resources Investment Advisors, LLC.6,496$2.32M0.02%−775−10.7%Reduced
Diversified Enterprises, LLC6,520$2.32M0.16%+10.0%Added
Equitable Trust Co6,521$2.33M0.11%−1,272−16.3%Reduced
Warner Group LLC6,565$2.34M1.61%+6,565New
South Dakota Investment Council6,570$2.34M0.05%−1,200−15.4%Reduced
Axxcess Wealth Management, LLC6,581$2.35M0.05%−20.0%Reduced
Salvus Wealth Management, LLC6,584$2.35M1.31%−191−2.8%Reduced
Lafayette Investments, Inc.6,645$2.37M0.45%+12+0.2%Added
Man Group plc6,656$2.37M0.00%−23,639−78.0%Reduced
First National Bank & Trust Co of Newtown6,658$2.37M0.45%00.0%Unchanged
Tokio Marine Asset Management Co Ltd6,659$2.37M0.08%+438+7.0%Added
Icon Wealth Advisors, LLC6,765$2.41M0.16%−1,446−17.6%Reduced
Nomura Holdings Inc6,867$2.45M0.01%+4,199+157.4%Added
Zions Bancorporation, National Association6,924$2.47M0.12%+198+2.9%Added
Legacy Wealth Asset Management, LLC6,999$2.50M0.61%+3,757+115.9%Added
Horizon Investments, LLC7,190$2.56M0.03%+1,345+23.0%Added
Beacon Financial Group7,191$2.56M0.25%−30.0%Reduced
Brighton Jones LLC7,269$2.59M0.06%+276+3.9%Added
HB Wealth Management, LLC7,278$2.60M0.02%−73−1.0%Reduced
Keybank National Association7,304$2.60M0.01%+271+3.9%Added