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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
Journey Strategic Wealth LLC1,638$584.1K0.02%+111+7.3%Added
Wellspring Financial Advisors, LLC1,642$585.6K0.05%+10+0.6%Added
Warren Averett Asset Management, LLC1,645$586.6K0.01%−30−1.8%Reduced
Farther Finance Advisors, LLC1,646$586.8K0.01%+266+19.3%Added
Kinneret Advisory, LLC1,647$587.3K0.05%−7−0.4%Reduced
Crane Advisory, LLC1,631$587.8K0.09%−12−0.7%Reduced
Summit Financial, LLC1,652$589.0K0.01%+37+2.3%Added
Avidian Wealth Solutions, LLC1,656$590.5K0.02%+26+1.6%Added
Mount Yale Investment Advisors, LLC1,661$592.4K0.04%−7,568−82.0%Reduced
One Wealth Capital Management, LLC1,662$592.6K0.27%−101−5.7%Reduced
Meiji Yasuda Asset Management Co Ltd.1,670$595.5K0.03%−4,262−71.8%Reduced
Evelyn Partners Investment Management LLP1,675$597.3K0.02%−25−1.5%Reduced
Sunflower Bank, N.A.1,675$597.3K0.15%00.0%Unchanged
Forum Financial Management, LP1,675$597.3K0.01%+245+17.1%Added
Fosun International Ltd1,677$598.0K0.22%00.0%Unchanged
Equitable Holdings, Inc.1,679$598.7K0.00%−5,726−77.3%Reduced
Hummer Financial Advisory Services Inc1,683$600.1K0.44%−20−1.2%Reduced
Northern Capital Management, Inc.1,688$601.9K0.33%00.0%Unchanged
Freestone Capital Holdings, LLC1,688$601.9K0.02%+163+10.7%Added
Annis Gardner Whiting Capital Advisors, LLC1,689$602.3K0.12%+953+129.5%Added
Hudock, Inc.1,691$603.3K0.09%00.0%Unchanged
Lester Murray Antman dba SimplyRich1,711$610.0K0.16%00.0%Unchanged
Birch Financial Group, LLC1,715$611.5K0.36%+171+11.1%Added
Thomasville National Bank1,722$614.0K0.04%−30−1.7%Reduced
Envestnet Portfolio Solutions, Inc.1,734$618.4K0.00%−84−4.6%Reduced
Chicago Trust Co NA1,744$621.9K0.09%−40−2.2%Reduced
Yarbrough Capital, LLC1,746$622.6K0.02%00.0%Unchanged
Bridgefront Capital, LLC1,748$623.3K0.18%+96+5.8%Added
Vestor Capital, LLC1,759$627.0K0.04%−16,387−90.3%Reduced
Wealthedge Investment Advisors, LLC1,767$630.1K0.24%+1+0.1%Added
Polymer Capital Management (US) LLC1,770$631.1K0.08%+1,770New
Fulton Bank, N.A.1,784$636.1K0.02%+165+10.2%Added
WSFS Capital Management, LLC1,795$640.1K0.03%−184−9.3%Reduced
Hilltop Holdings Inc.1,797$640.8K0.03%+57+3.3%Added
Connable Office Inc1,801$642.2K0.06%00.0%Unchanged
Townsend & Associates, Inc1,855$642.9K0.06%00.0%Unchanged
S-Bank Fund Management Ltd1,807$644.3K0.09%−23−1.3%Reduced
Altfest L J & Co Inc1,823$650.0K0.07%−18−1.0%Reduced
J.W. Cole Advisors, Inc.1,828$651.7K0.01%+584+46.9%Added
Evernest Financial Advisors, LLC1,835$654.3K0.18%−342−15.7%Reduced
Barrett & Company, Inc.1,843$657.2K0.23%00.0%Unchanged
Capital Investment Advisors, LLC1,849$659.2K0.01%+6+0.3%Added
Apollon Wealth Management, LLC1,854$661.2K0.01%−344−15.7%Reduced
Checchi Capital Advisers, LLC1,857$662.0K0.05%−194−9.5%Reduced
Dakota Wealth Management1,866$665.3K0.01%−1,948−51.1%Reduced
Wolverine Trading, LLC1,877$665.6K0.01%+1,877New
Stevens Capital Management LP1,877$669.0K0.09%+1,232+191.0%Added
PUREfi Wealth, LLC1,887$672.9K0.52%−12−0.6%Reduced
West Family Investments, Inc.1,897$676.4K0.15%+19+1.0%Added
Lountzis Asset Management, LLC1,900$677.5K0.22%00.0%Unchanged
King Luther Capital Management Corp1,906$679.6K0.00%−733−27.8%Reduced
Sound View Wealth Advisors Group, LLC1,906$679.6K0.05%−18−0.9%Reduced
Plante Moran Financial Advisors, LLC1,915$682.9K0.04%+20+1.1%Added
Steward Partners Investment Advisory, LLC1,929$687.8K0.00%−212−9.9%Reduced
Sagespring Wealth Partners, LLC1,936$690.2K0.01%+432+28.7%Added
Miracle Mile Advisors, LLC1,939$691.4K0.01%+63+3.4%Added
Global Retirement Partners, LLC1,940$691.8K0.02%+48+2.5%Added
State of Wyoming1,960$698.9K0.08%+707+56.4%Added
Hancock Whitney Corp1,977$705.0K0.01%−1,143−36.6%Reduced
Ballentine Partners, LLC1,983$707.0K0.01%−12−0.6%Reduced
Martin Investment Management, LLC1,985$707.8K0.18%+35+1.8%Added
Saturna Capital CORP1,989$709.2K0.01%00.0%Unchanged
Parallel Advisors, LLC1,999$712.9K0.01%−47−2.3%Reduced
Thompson Investment Management, Inc.2,000$713.2K0.10%00.0%Unchanged
Banque Cantonale Vaudoise2,004$714.0K0.03%−1,407−41.2%Reduced
Diversify Wealth Management, LLC2,113$718.1K0.04%−733−25.8%Reduced
Ritholtz Wealth Management2,020$720.2K0.01%−38−1.8%Reduced
Cigna Investments Inc2,047$730.0K0.10%00.0%Unchanged
Chicago Capital, LLC2,058$733.8K0.02%00.0%Unchanged
Commerzbank Aktiengesellschaft2,060$735.0K0.02%00.0%Unchanged
Fidelis Capital Partners, LLC2,076$740.1K0.06%+49+2.4%Added
Fifth Third Wealth Advisors LLC2,079$741.3K0.03%+140+7.2%Added
Exchange Traded Concepts, LLC2,089$744.9K0.01%+1,722+469.2%Added
R Squared Ltd2,099$748.5K0.32%+2,099New
Blue Chip Partners, Inc.2,100$748.9K0.06%+95+4.7%Added
Atom Investors LP2,104$750.2K0.06%+2,104New
Wedmont Private Capital2,054$753.7K0.03%+2+0.1%Added
Aigen Investment Management, LP2,125$757.7K0.12%+2,125New
Farringdon Capital, Ltd.2,146$765.2K0.19%−570−21.0%Reduced
Hills Bank & Trust Co2,154$768.1K0.05%+7+0.3%Added
Founders Financial Alliance, LLC2,161$770.5K0.15%+104+5.1%Added
Painted Porch Advisors LLC2,169$773.4K0.29%−156−6.7%Reduced
Simplicity Wealth,LLC2,174$775.4K0.04%−2,066−48.7%Reduced
Aviso Financial Inc.2,209$787.7K0.03%+13+0.6%Added
D.A. Davidson & Co.2,233$796.2K0.01%−5−0.2%Reduced
Generali Asset Management SPA SGR2,249$801.9K0.02%−6−0.3%Reduced
Vise Technologies, Inc.2,261$806.1K0.03%+507+28.9%Added
Act Two Investors LLC2,275$811.2K0.14%+154+7.3%Added
Bangor Savings Bank2,283$814.1K0.07%−50−2.1%Reduced
Redwood Wealth Management Group, LLC2,284$814.4K0.35%−2−0.1%Reduced
Allworth Financial LP2,290$816.7K0.00%+182+8.6%Added
Aaron Wealth Advisors2,302$820.8K0.05%+1,106+92.5%Added
a16z Perennial Management, L.P.2,304$821.6K0.07%+2,304New
Heritage Family Offices, LLP2,308$823.0K0.38%+35+1.5%Added
Arkadios Wealth Advisors2,315$825.5K0.02%+518+28.8%Added
Smartleaf Asset Management LLC2,350$833.5K0.05%+1,232+110.2%Added
Connecticut Wealth Management, LLC2,344$835.8K0.04%−200−7.9%Reduced
Valeo Financial Advisors, LLC2,355$839.9K0.02%−79−3.2%Reduced
SageView Advisory Group, LLC2,356$840.1K0.03%+165+7.5%Added
Soltis Investment Advisors LLC2,370$845.0K0.06%+15+0.6%Added