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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
Trust Point Inc.935$329.9K0.03%+50+5.6%Added
Retirement Planning Group936$330.4K0.01%+46+5.2%Added
Advisor OS, LLC936$330.4K0.03%+20+2.2%Added
Cornerstone Wealth Group, LLC962$339.4K0.02%+21+2.2%Added
Smith, Moore & Co.965$340.4K0.03%−3−0.3%Reduced
Smith Chas P & Associates Pa Cpas965$340.5K0.02%−1−0.1%Reduced
Argent Trust Co972$343.0K0.01%−85−8.0%Reduced
Creekside Partners982$346.5K0.15%00.0%Unchanged
JFS Wealth Advisors, LLC986$347.9K0.02%+28+2.9%Added
Sowell Financial Services LLC1,017$358.8K0.01%+59+6.2%Added
Waddell & Associates, LLC1,025$361.7K0.02%+349+51.6%Added
Ronald Blue Trust, Inc.1,027$362.3K0.00%−297−22.4%Reduced
MPS Loria Financial Planners, LLC1,030$363.5K0.09%00.0%Unchanged
Bowen Hanes & Co Inc1,035$365.0K0.01%00.0%Unchanged
Legacy Wealth Partners, LLC1,037$365.9K0.09%+1,037New
Newman Dignan & Sheerar, Inc.1,040$367.0K0.08%−1−0.1%Reduced
Pinnacle Wealth Planning Services, Inc.1,047$369.3K0.04%−5−0.5%Reduced
Directional Asset Management1,050$370.5K0.32%+1,050New
L2 Asset Management, LLC1,051$370.9K0.05%+71+7.2%Added
Weaver Consulting Group1,053$371.6K0.09%+6+0.6%Added
Kera Capital Partners, Inc.1,068$373.4K0.05%+1,068New
Sandy Cove Advisors, LLC1,060$374.2K0.11%+7+0.7%Added
Northern Oak Wealth Management Inc1,063$375.1K0.05%−9−0.8%Reduced
waypoint wealth counsel1,064$375.5K0.14%+117+12.4%Added
IFC Advisors LLC1,068$376.9K0.06%00.0%Unchanged
Penserra Capital Management LLC1,074$378.0K0.00%−11−1.0%Reduced
Blue Water Asset Management1,071$378.1K0.14%+1,071New
J.Safra Asset Management Corp1,073$378.6K0.02%00.0%Unchanged
Boothbay Fund Management, LLC1,074$379.0K0.01%−1,991−65.0%Reduced
Delta Investment Management, LLC1,076$379.7K0.07%−1−0.1%Reduced
Choate Investment Advisors1,078$380.4K0.01%+133+14.1%Added
SeaCrest Wealth Management, LLC1,088$380.7K0.04%−38−3.4%Reduced
Flow Traders U.S. LLC1,082$382.0K0.01%+1,082New
True North Advisors, LLC1,085$382.9K0.05%+12+1.1%Added
Evergreen Capital Management LLC1,090$384.6K0.01%−179−14.1%Reduced
Evernest Financial Advisors, LLC1,242$385.4K0.08%−593−32.3%Reduced
Bradley Foster & Sargent Inc1,094$386.1K0.01%−145−11.7%Reduced
Parkway Wealth Management Group, LLC1,102$388.9K0.05%+1,102New
PEAK6 LLC1,104$389.7K0.01%+1,102+55,100.0%Added
Golden State Wealth Management, LLC1,105$390.1K0.04%+834+307.7%Added
Ingalls & Snyder LLC1,128$398.0K0.01%+6+0.5%Added
BFSG, LLC1,133$399.8K0.04%00.0%Unchanged
O'Brien Greene & Co. Inc1,134$400.2K0.12%00.0%Unchanged
Nwam LLC1,141$401.7K0.02%+14+1.2%Added
First Horizon Corp1,140$402.3K0.02%+469+69.9%Added
Everhart Financial Group, Inc.1,142$403.0K0.04%−19−1.6%Reduced
SHP Wealth Management1,143$403.3K0.03%+1,143New
Roehl & Yi Investment Advisors, LLC1,145$404.0K0.16%−185−13.9%Reduced
Cambient Family Office, LLC1,149$405.5K0.06%+1,149New
VSM Wealth Advisory, LLC1,155$407.6K0.12%00.0%Unchanged
FineMark National Bank & Trust1,155$407.6K0.01%+79+7.3%Added
Journey Strategic Wealth LLC1,155$407.6K0.01%−483−29.5%Reduced
Shelton Capital Management1,170$412.9K0.01%00.0%Unchanged
Clarius Group, LLC1,173$413.9K0.02%+201+20.7%Added
Delap Wealth Advisory, LLC1,174$414.4K0.16%+1,174New
Amplius Wealth Advisors, LLC1,179$415.9K0.03%+11+0.9%Added
Conning Inc.1,181$416.8K0.01%−415−26.0%Reduced
Sargent Investment Group, LLC1,181$416.8K0.05%+1,181New
S-Bank Fund Management Ltd1,192$420.6K0.05%−615−34.0%Reduced
HC Advisors, LLC1,199$423.1K0.29%00.0%Unchanged
Walleye Trading LLC1,209$426.6K0.01%+414+52.1%Added
Platform Wealth Management, LLC1,218$429.8K0.11%+1,218New
Catalyst Financial Partners LLC1,222$431.2K0.05%−39−3.1%Reduced
Ducere Wealth Management LLC1,226$432.5K0.17%+1,226New
FreeGulliver LLC1,228$433.3K0.19%−9−0.7%Reduced
Fiduciary Trust Co1,230$433.9K0.00%+86+7.5%Added
Lecap Asset Management Ltd1,231$434.4K0.17%+1,231New
Wedbush Securities Inc1,232$435.0K0.01%−45−3.5%Reduced
Kestra Private Wealth Services, LLC1,233$435.2K0.01%+55+4.7%Added
Fortis Capital Management LLC1,236$436.0K0.06%−4−0.3%Reduced
Focused Wealth Management, Inc1,239$437.2K0.05%+25+2.1%Added
Chicago Partners Investment Group LLC1,295$438.6K0.01%+176+15.7%Added
RDA Financial Network1,251$441.5K0.11%00.0%Unchanged
Shelton Wealth Management, LLC1,253$442.2K0.19%+1,253New
Arrowroot Family Office, LLC1,256$443.1K0.16%−260−17.2%Reduced
Howard Capital Management Inc.1,256$443.2K0.01%+28+2.3%Added
Cardiff Park Advisors, LLC1,266$446.7K0.04%00.0%Unchanged
Deseret Mutual Benefit Administrators1,271$448.5K0.19%+27+2.2%Added
Equitable Holdings, Inc.1,273$449.2K0.00%−406−24.2%Reduced
GAM Holding AG1,278$451.0K0.03%+1,278New
Gryphon Financial Partners LLC1,280$451.6K0.05%+209+19.5%Added
Mendel Money Management1,300$458.7K0.19%00.0%Unchanged
Farringdon Capital, Ltd.1,308$461.6K0.11%−838−39.0%Reduced
Ashton Thomas Private Wealth, LLC1,311$462.5K0.01%+69+5.6%Added
Martin Investment Management, LLC1,325$467.6K0.13%−660−33.2%Reduced
Pallas Capital Advisors LLC1,332$470.1K0.02%+6+0.5%Added
Newton One Investments LLC1,335$471.3K0.14%00.0%Unchanged
Central Trust Co1,341$473.2K0.01%+34+2.6%Added
Legacy Financial Advisors, Inc.1,345$474.7K0.07%+324+31.7%Added
Northstar Asset Management LLC1,350$476.4K0.10%00.0%Unchanged
North Star Investment Management Corp.1,352$477.2K0.03%+16+1.2%Added
Sunflower Bank, N.A.1,356$478.5K0.12%−319−19.0%Reduced
Grove Bank & Trust1,358$479.2K0.05%−3,016−69.0%Reduced
Waldron Private Wealth LLC1,366$482.0K0.02%−24−1.7%Reduced
Prairie Wealth Advisors, Inc.0$482.0K0.20%−1,366−100.0%Reduced
Aptus Capital Advisors, LLC1,378$486.3K0.00%−34−2.4%Reduced
First Business Financial Services, Inc.1,384$488.4K0.04%00.0%Unchanged
L & S Advisors Inc–$488.5K0.05%––
Goelzer Investment Management, Inc.1,386$489.1K0.02%00.0%Unchanged
IFG Advisors, LLC1,390$490.5K0.08%00.0%Unchanged