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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, Q4 2025

Institutional positions in Aon plc as of Dec 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
1,288
+57 vs. Q3 2025
Shares held
189.1M
+3.31M (+1.8%) vs. Q3 2025
Total value
$66.7B
+$447.9M (+0.7%) vs. Q3 2025
New holders
156
425 more added
Sold out
99
477 more reduced

23 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,288 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 heldQ4 2025: $66.7B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q3 2025.

Institutions holding AON in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
PDS Planning, Inc1,406$496.1K0.03%−90−6.0%Reduced
Sage Mountain Advisors LLC1,416$499.7K0.03%−99−6.5%Reduced
Essex Financial Services, Inc.1,418$500.4K0.03%+199+16.3%Added
Daybright Advisory Services, Inc.1,419$500.7K0.13%+1,419New
Thomasville National Bank1,422$501.8K0.03%−300−17.4%Reduced
Relyea Zuckerberg Hanson LLC1,422$501.9K0.05%+21+1.5%Added
Prime Capital Investment Advisors, LLC1,430$504.6K0.01%−159−10.0%Reduced
Murphy & Mullick Capital Management Corp1,432$505.3K0.36%00.0%Unchanged
Mayflower Financial Advisors, LLC1,435$506.5K0.06%−12−0.8%Reduced
Conservest Capital Advisors, Inc.1,439$507.8K0.05%−4−0.3%Reduced
Insigneo Advisory Services, LLC1,441$508.5K0.04%−9−0.6%Reduced
Elyxium Wealth, LLC1,443$509.2K0.14%+7+0.5%Added
Neville Rodie & Shaw Inc1,450$512.0K0.04%00.0%Unchanged
Perpetual Ltd1,479$521.9K0.01%+104+7.6%Added
Twelve Points Wealth Management LLC1,491$523.1K0.12%−898−37.6%Reduced
Stratos Wealth Advisors, LLC1,487$524.9K0.03%00.0%Unchanged
Independent Advisor Alliance1,488$525.1K0.01%+10+0.7%Added
One Wealth Capital Management, LLC1,496$527.9K0.22%−166−10.0%Reduced
Accuvest Global Advisors1,500$529.0K0.39%00.0%Unchanged
Game Creek Capital, LP1,500$529.3K0.20%00.0%Unchanged
Pinnacle Associates Ltd1,510$532.8K0.01%+469+45.1%Added
Adviser Investments LLC1,513$533.9K0.01%+727+92.5%Added
PCM Encore, LLC1,517$535.2K0.11%+1,517New
Central Pacific Bank - Trust Division1,525$538.1K0.07%+810+113.3%Added
Balentine LLC1,530$539.9K0.02%+903+144.0%Added
Turtle Creek Wealth Advisors, LLC1,534$541.3K0.04%+643+72.2%Added
Meiji Yasuda Asset Management Co Ltd.1,544$544.8K0.03%−126−7.5%Reduced
Two Sigma Securities, LLC1,549$546.6K0.08%+1,549New
Westco Advisory Services Inc1,558$549.8K0.34%+1,558New
Umb Bank N A1,569$553.7K0.01%−33−2.1%Reduced
NBC Securities, Inc.1,577$556.5K0.04%−38−2.4%Reduced
Kathmere Capital Management, LLC1,582$558.3K0.04%+32+2.1%Added
EverSource Wealth Advisors, LLC1,584$558.9K0.02%+426+36.8%Added
MBL Wealth, LLC1,585$559.3K0.04%+3+0.2%Added
Lantz Financial LLC1,585$559.3K0.12%+53+3.5%Added
Freestone Capital Holdings, LLC1,588$560.4K0.02%−100−5.9%Reduced
ORG Wealth Partners, LLC1,594$562.5K0.13%+699+78.1%Added
KFG Wealth Management, LLC1,600$564.6K0.08%−1−0.1%Reduced
Kinneret Advisory, LLC1,603$565.7K0.05%−44−2.7%Reduced
AE Wealth Management LLC1,605$566.5K0.00%+207+14.8%Added
Plante Moran Financial Advisors, LLC1,606$566.7K0.04%−309−16.1%Reduced
AlphaGrep UK Ltd1,614$569.5K0.19%+1,614New
Crane Advisory, LLC1,631$571.6K0.09%00.0%Unchanged
Atlantic Union Bankshares Corp1,624$573.1K0.01%00.0%Unchanged
Summit Financial, LLC1,625$573.3K0.01%−27−1.6%Reduced
SkyView Investment Advisors, LLC1,626$574.0K0.07%−9−0.6%Reduced
Sym Financial Corp1,630$575.1K0.06%+347+27.0%Added
GAMMA Investing LLC1,631$575.5K0.03%−978−37.5%Reduced
Envestnet Portfolio Solutions, Inc.1,654$583.7K0.00%−80−4.6%Reduced
Avidian Wealth Solutions, LLC1,673$590.3K0.02%+17+1.0%Added
Evelyn Partners Investment Management LLP1,675$591.1K0.02%00.0%Unchanged
Fosun International Ltd1,677$591.8K0.14%00.0%Unchanged
Hummer Financial Advisory Services Inc1,683$593.9K0.42%00.0%Unchanged
Northern Capital Management, Inc.1,688$595.7K0.31%00.0%Unchanged
Hudock, Inc.1,691$597.0K0.09%00.0%Unchanged
Aaron Wealth Advisors1,696$598.5K0.03%−606−26.3%Reduced
Lester Murray Antman dba SimplyRich1,711$603.0K0.16%00.0%Unchanged
Maridea Wealth Management LLC1,716$605.4K0.09%+1,037+152.7%Added
Empower Advisory Group, LLC1,722$607.7K0.00%+267+18.4%Added
Chicago Trust Co NA1,724$608.4K0.10%−20−1.1%Reduced
Annis Gardner Whiting Capital Advisors, LLC1,736$612.6K0.12%+47+2.8%Added
Yarbrough Capital, LLC1,746$616.1K0.02%00.0%Unchanged
Hilltop Holdings Inc.1,748$616.5K0.04%−49−2.7%Reduced
V-Square Quantitative Management LLC1,749$617.2K0.06%+1,749New
Aster Capital Management (DIFC) Ltd1,751$617.9K0.27%+1,751New
Vestor Capital, LLC23,372$621.0K0.05%+21,613+1,228.7%Added
Wealthedge Investment Advisors, LLC1,766$623.2K0.23%−1−0.1%Reduced
Murphy, Middleton, Hinkle & Parker, Inc.12,200$623.8K0.43%+12,200New
Hartline Investment Corp1,771$625.0K0.07%−720−28.9%Reduced
Banque Cantonale Vaudoise1,776$627.0K0.02%−228−11.4%Reduced
Wellspring Financial Advisors, LLC1,781$628.6K0.05%+139+8.5%Added
Sagespring Wealth Partners, LLC1,784$629.4K0.01%−152−7.9%Reduced
Steward Partners Investment Advisory, LLC1,791$632.0K0.00%−138−7.2%Reduced
Yanni & Associates Investment Advisors, LLC1,792$632.4K0.63%+1,792New
Mount Yale Investment Advisors, LLC1,800$635.4K0.03%+139+8.4%Added
Connable Office Inc1,801$635.5K0.06%00.0%Unchanged
Checchi Capital Advisers, LLC1,807$637.5K0.04%−50−2.7%Reduced
West Family Investments, Inc.1,812$639.4K0.15%−85−4.5%Reduced
Townsend & Associates, Inc1,855$639.7K0.06%00.0%Unchanged
Diversify Wealth Management, LLC1,864$642.4K0.03%−249−11.8%Reduced
J.W. Cole Advisors, Inc.1,863$648.2K0.02%+35+1.9%Added
Barrett & Company, Inc.1,843$650.4K0.22%00.0%Unchanged
Fulton Bank, N.A.1,856$654.9K0.02%+72+4.0%Added
Wedmont Private Capital1,876$656.5K0.02%−178−8.7%Reduced
Painted Porch Advisors LLC1,864$657.8K0.26%−305−14.1%Reduced
Birch Financial Group, LLC1,870$659.7K0.38%+155+9.0%Added
Greenwood Gearhart Inc1,874$661.3K0.04%−1,010−35.0%Reduced
Capital Investment Advisors, LLC1,882$664.3K0.01%+33+1.8%Added
Rede Wealth, LLC1,898$669.8K0.23%+1,898New
Redwood Wealth Management Group, LLC1,900$670.5K0.28%−384−16.8%Reduced
Lountzis Asset Management, LLC1,900$670.5K0.24%00.0%Unchanged
Soltis Investment Advisors LLC1,902$671.3K0.04%−468−19.7%Reduced
King Luther Capital Management Corp1,906$672.6K0.00%00.0%Unchanged
Ritholtz Wealth Management1,933$682.1K0.01%−87−4.3%Reduced
Sound View Wealth Advisors Group, LLC1,935$682.8K0.05%+29+1.5%Added
Hancock Whitney Corp1,937$683.9K0.01%−40−2.0%Reduced
Journey Retirement Planning & Investment Management LLC1,948$687.4K0.14%+1,948New
Miracle Mile Advisors, LLC1,948$687.4K0.01%+9+0.5%Added
Parallel Advisors, LLC1,964$693.4K0.01%−35−1.8%Reduced
Dakota Wealth Management1,982$699.4K0.01%+116+6.2%Added