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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, Q2 2025

Institutional positions in Aon plc as of Jun 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
1,232
−27 vs. Q1 2025
Shares held
194.2M
+975.4K (+0.5%) vs. Q1 2025
Total value
$69.3B
−$7.65B (−9.9%) vs. Q1 2025
New holders
108
432 more added
Sold out
135
470 more reduced

16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,232 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 heldQ2 2025: $69.3B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q1 2025.

Institutions holding AON in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Princeton Global Asset Management LLC36$12.8K0.00%+36New
Riggs Asset Managment Co. Inc.38$13.6K0.00%+36+1,800.0%Added
United Community Bank40$14.3K0.00%00.0%Unchanged
GPS Wealth Strategies Group, LLC40$14.4K0.00%+3+8.1%Added
McIlrath & Eck, LLC42$15.0K0.00%00.0%Unchanged
Fortitude Family Office, LLC42$15.0K0.00%+10+31.3%Added
Valley National Advisers Inc43$15.0K0.00%−2−4.4%Reduced
Lummis Asset Management, LP43$15.3K0.01%00.0%Unchanged
Atlantic Trust, LLC43$15.4K0.00%+8+22.9%Added
Ogorek Anthony Joseph47$16.0K0.00%−6−11.3%Reduced
Bank of New Hampshire45$16.1K0.00%00.0%Unchanged
Aspect Partners, LLC46$16.4K0.01%−2−4.2%Reduced
Howard Hughes Medical Institute46$16.4K0.01%+46New
Ritter Daniher Financial Advisory LLC52$18.6K0.00%00.0%Unchanged
Tortoise Investment Management, LLC52$18.6K0.00%+6+13.0%Added
Sit Investment Associates Inc54$19.0K0.00%00.0%Unchanged
Hughes Financial Services, LLC55$20.0K0.00%−5−8.3%Reduced
St Germain D J Co Inc57$20.3K0.00%00.0%Unchanged
SOA Wealth Advisors, LLC.58$20.7K0.00%−12−17.1%Reduced
Asset Planning,Inc58$20.7K0.02%00.0%Unchanged
Access Investment Management LLC62$22.1K0.01%+62New
Union Savings Bank64$22.8K0.01%−5−7.2%Reduced
Redmont Wealth Advisors LLC64$22.8K0.03%+64New
Key Financial Inc66$23.5K0.00%+66New
Headlands Technologies LLC69$24.6K0.00%−704−91.1%Reduced
Rational Advisors LLC72$25.7K0.00%+72New
Capital Advisors, Ltd. LLC72$26.0K0.00%−5−6.5%Reduced
Washington Trust Advisors, Inc.73$26.0K0.00%+14+23.7%Added
Anchor Investment Management, LLC80$28.5K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC82$29.3K0.00%00.0%Unchanged
Atlantic Union Bankshares Corp87$31.0K0.00%+87New
Millstone Evans Group, LLC90$32.1K0.02%00.0%Unchanged
Trust Co of Toledo NA90$32.1K0.00%+90New
Pinnacle Bancorp, Inc.91$32.5K0.01%+33+56.9%Added
TSFG, LLC92$33.0K0.01%00.0%Unchanged
Medallion Wealth Advisors, LLC100$35.7K0.01%00.0%Unchanged
Accent Capital Management, LLC101$36.0K0.02%00.0%Unchanged
Bruce G. Allen Investments, LLC102$36.4K0.03%−78−43.3%Reduced
Twin Peaks Wealth Advisors, LLC102$37.0K0.01%+102New
Covestor Ltd104$37.0K0.02%−1−1.0%Reduced
Bell Investment Advisors, Inc105$37.5K0.01%−2−1.9%Reduced
Garde Capital, Inc.105$37.5K0.00%00.0%Unchanged
Centricity Wealth Management, LLC108$38.5K0.03%00.0%Unchanged
Mascoma Wealth Management LLC111$39.6K0.01%00.0%Unchanged
South State Corp.114$40.7K0.00%−298−72.3%Reduced
GW&K Investment Management, LLC115$41.0K0.00%+4+3.6%Added
Prestige Wealth Management Group LLC116$41.4K0.01%00.0%Unchanged
Frazier Financial Advisors, LLC118$42.1K0.03%+12+11.3%Added
Rise Advisors, LLC131$46.8K0.02%+1+0.8%Added
Meeder Asset Management Inc134$47.8K0.00%+22+19.6%Added
Coston, McIsaac & Partners140$49.0K0.01%00.0%Unchanged
Boyd Watterson Asset Management LLC138$49.2K0.02%00.0%Unchanged
ZRC Wealth Management, LLC138$49.2K0.02%+19+16.0%Added
Financial Network Wealth Advisors LLC139$49.6K0.06%00.0%Unchanged
Sagard Holdings Management Inc.142$50.7K0.14%+142New
Farmers & Merchants Investments Inc144$51.4K0.00%00.0%Unchanged
Clear Street Markets LLC145$51.7K0.02%+145New
First United Bank Trust150$53.5K0.02%00.0%Unchanged
DAGCO, Inc.150$53.5K0.01%00.0%Unchanged
Nemes Rush Group LLC155$55.3K0.01%00.0%Unchanged
NewSquare Capital LLC170$60.6K0.00%+112+193.1%Added
Maseco LLP172$61.3K0.00%+172New
Harbour Investments, Inc.175$62.4K0.00%+4+2.3%Added
Orion Capital Management LLC176$62.8K0.02%00.0%Unchanged
Pin Oak Investment Advisors Inc162$64.0K0.05%+162New
Hollencrest Capital Management185$66.0K0.00%00.0%Unchanged
AdvisorNet Financial, Inc188$67.1K0.00%+21+12.6%Added
ORG Partners LLC192$68.5K0.01%+186+3,100.0%Added
Rosenberg Matthew Hamilton199$71.0K0.02%00.0%Unchanged
Lavaca Capital LLC200$71.4K0.03%00.0%Unchanged
Arlington Trust Co LLC200$71.4K0.01%00.0%Unchanged
Alerus Financial NA200$71.4K0.01%+200New
Optiver Holding B.V.202$72.1K0.00%−129−39.0%Reduced
Towarzystwo Funduszy Inwestycyjnych Pzu SA205$73.1K0.02%00.0%Unchanged
IMA Wealth, Inc.223$79.6K0.01%+1+0.5%Added
Andra AP-fonden227$81.0K0.00%+227New
Cary Street Partner Investment Advisory LLC237$84.6K0.04%+22+10.2%Added
Trust Co of Vermont242$86.3K0.00%00.0%Unchanged
Ameriflex Group, Inc.250$88.4K0.05%00.0%Unchanged
Hemington Wealth Management251$89.0K0.01%−19−7.0%Reduced
Golden State Wealth Management, LLC268$95.9K0.01%00.0%Unchanged
Ameritas Advisory Services, LLC275$98.2K0.01%+275New
Harbor Investment Advisory, LLC281$100.3K0.01%00.0%Unchanged
Horizon Bancorp Inc290$103.0K0.05%00.0%Unchanged
Kiker Wealth Management, LLC300$107.0K0.06%00.0%Unchanged
Spire Wealth Management314$112.0K0.00%−103−24.7%Reduced
S&T Bank336$119.9K0.04%00.0%Unchanged
Versant Capital Management, Inc344$122.7K0.02%−139−28.8%Reduced
Eastern Bank351$125.2K0.00%00.0%Unchanged
Exchange Traded Concepts, LLC367$130.9K0.00%+90+32.5%Added
Matrix Trust Co394$141.0K0.02%+26+7.1%Added
CVA Family Office, LLC401$143.1K0.02%−19−4.5%Reduced
Rossby Financial, LCC406$144.8K0.05%+34+9.1%Added
American National Bank409$145.9K0.01%00.0%Unchanged
Salem Investment Counselors Inc425$151.6K0.00%−10−2.3%Reduced
Boreal Capital Management LLC434$154.8K0.13%+434New
Advisors Asset Management, Inc.435$155.2K0.00%−77−15.0%Reduced
Manchester Capital Management LLC442$157.7K0.02%+3+0.7%Added
Thurston, Springer, Miller, Herd & Titak, Inc.444$158.4K0.02%+5+1.1%Added
Capital Analysts, LLC450$161.0K0.01%−164−26.7%Reduced