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
- 1,255
- +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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,273 | $63.9B |
| Q1 2026 | 1,266 | $60.6B |
| Q4 2025 | 1,289 | $66.7B |
| Q3 2025 | 1,255 | $66.3B |
| Q2 2025 | 1,233 | $69.3B |
| Q1 2025 | 1,276 | $77.1B |
| Q4 2024 | 1,196 | $69.1B |
| Q3 2024 | 1,149 | $66.1B |
| Q2 2024 | 1,111 | $55.4B |
| Q1 2024 | 1,087 | $57.4B |
| Q4 2023 | 1,067 | $49.8B |
| Q3 2023 | 1,049 | $56.4B |
| Q2 2023 | 1,025 | $61.2B |
| Q1 2023 | 1,014 | $55.7B |
| Q4 2022 | 1,034 | $52.6B |
| Q3 2022 | 950 | $48.4B |
| Q2 2022 | 966 | $49.5B |
| Q1 2022 | 985 | $61.2B |
| Q4 2021 | 995 | $56.5B |
| Q3 2021 | 917 | $57.2B |
| Q2 2021 | 912 | $53.4B |
| Q1 2021 | 919 | $51.4B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mediolanum International Funds Ltd | 15,144 | $5.37M | 0.06% | +10,937+260.0% | Added |
| La Banque Postale Asset Management SA | 15,152 | $5.40M | 0.07% | +239+1.6% | Added |
| Pine Valley Investments Ltd Liability Co | 15,206 | $5.42M | 0.28% | +1,257+9.0% | Added |
| Ilmarinen Mutual Pension Insurance Co | 15,272 | $5.45M | 0.04% | 00.0% | Unchanged |
| Interval Partners, LP | 15,873 | $5.66M | 0.12% | +15,873 | New |
| Sanctuary Advisors, LLC | 15,898 | $5.67M | 0.03% | −741−4.5% | Reduced |
| Mizuho Securities USA LLC | 15,705 | $5.76M | 0.12% | +779+5.2% | Added |
| Atria Investments LLC | 16,241 | $5.79M | 0.07% | −1,128−6.5% | Reduced |
| Cresset Asset Management, LLC | 16,377 | $5.84M | 0.03% | +2,286+16.2% | Added |
| Qsemble Capital Management, LP | 16,467 | $5.87M | 0.57% | +16,467 | New |
| Biltmore Family Office, LLC | 16,549 | $5.90M | 0.84% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 16,947 | $6.04M | 0.05% | 00.0% | Unchanged |
| Avanza Fonder AB | 17,132 | $6.11M | 0.16% | +1,850+12.1% | Added |
| Pacer Advisors, Inc. | 17,364 | $6.19M | 0.02% | −3,887−18.3% | Reduced |
| Johnson Investment Counsel Inc | 17,421 | $6.21M | 0.05% | −670−3.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 17,498 | $6.24M | 0.00% | −3,213−15.5% | Reduced |
| Fayez Sarofim & Co | 18,039 | $6.43M | 0.01% | +118+0.7% | Added |
| Berman McAleer LLC | 18,129 | $6.46M | 0.90% | +18,129 | New |
| Bleakley Financial Group, LLC | 18,641 | $6.65M | 0.15% | +227+1.2% | Added |
| Morningstar Investment Management LLC | 18,692 | $6.67M | 0.25% | +15,391+466.3% | Added |
| Commerce Bank | 18,798 | $6.70M | 0.04% | −90−0.5% | Reduced |
| KWMG, LLC | 18,989 | $6.77M | 0.59% | +501+2.7% | Added |
| Bell Asset Management Ltd | 19,075 | $6.80M | 1.86% | −5,954−23.8% | Reduced |
| Nordea Investment Management AB | 19,215 | $6.82M | 0.01% | +2,153+12.6% | Added |
| Strategy Asset Managers LLC | 19,337 | $6.90M | 1.24% | +186+1.0% | Added |
| Truist Financial Corp | 19,722 | $7.03M | 0.01% | −280−1.4% | Reduced |
| ASR Vermogensbeheer N.V. | 19,799 | $7.06M | 0.09% | −66−0.3% | Reduced |
| Kestra Advisory Services, LLC | 20,003 | $7.13M | 0.03% | +234+1.2% | Added |
| Employees Retirement System of Texas | 20,174 | $7.19M | 0.06% | 00.0% | Unchanged |
| Gerber, LLC | 20,453 | $7.29M | 4.58% | −1,260−5.8% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 20,483 | $7.30M | 0.12% | −7,504−26.8% | Reduced |
| Prudential PLC | 20,800 | $7.42M | 0.05% | −1,574−7.0% | Reduced |
| Bridgewater Advisors Inc. | 21,841 | $7.43M | 0.51% | +154+0.7% | Added |
| Old National Bancorp | 20,961 | $7.47M | 0.13% | +16,268+346.6% | Added |
| Violich Capital Management, Inc. | 21,008 | $7.49M | 0.89% | −300−1.4% | Reduced |
| Dash Acquisitions Inc. | 23,575 | $7.69M | 1.53% | −312−1.3% | Reduced |
| Fiduciary Group LLC | 21,629 | $7.71M | 0.68% | −278−1.3% | Reduced |
| Carderock Capital Management Inc | 21,641 | $7.72M | 1.88% | +1,396+6.9% | Added |
| Magnetar Financial LLC | 22,096 | $7.88M | 0.05% | +22,096 | New |
| Live Oak Private Wealth LLC | 22,142 | $7.90M | 1.10% | +345+1.6% | Added |
| Haverford Financial Services, Inc. | 22,275 | $7.94M | 2.23% | −827−3.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 22,283 | $7.95M | 0.01% | −957−4.1% | Reduced |
| Ethic Inc. | 22,580 | $8.05M | 0.13% | −2,688−10.6% | Reduced |
| CIBC Private Wealth Group, LLC | 22,930 | $8.18M | 0.01% | +252+1.1% | Added |
| Intermede Investment Partners Ltd | 23,059 | $8.22M | 0.34% | −931−3.9% | Reduced |
| Mutual of America Capital Management LLC | 23,374 | $8.33M | 0.09% | −1,389−5.6% | Reduced |
| Motley Fool Wealth Management, LLC | 23,412 | $8.35M | 0.57% | −3,078−11.6% | Reduced |
| Clifford Swan Investment Counsel LLC | 23,896 | $8.52M | 0.28% | +5,944+33.1% | Added |
| YHB Investment Advisors, Inc. | 24,535 | $8.75M | 0.64% | +30+0.1% | Added |
| Oregon Public Employees Retirement Fund | 24,695 | $8.81M | 0.11% | +6,043+32.4% | Added |
| Marks Group Wealth Management, Inc | 24,771 | $8.83M | 0.82% | −859−3.4% | Reduced |
| Fifth Third Bancorp | 24,985 | $8.91M | 0.03% | −462−1.8% | Reduced |
| Captrust Financial Advisors | 25,490 | $9.09M | 0.02% | −758−2.9% | Reduced |
| M&T Bank Corp | 25,778 | $9.19M | 0.03% | −3,696−12.5% | Reduced |
| Citizens Financial Group Inc | 25,784 | $9.19M | 0.13% | −492−1.9% | Reduced |
| Cornerstone Advisors, LLC | 25,800 | $9.20M | 0.30% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 25,868 | $9.22M | 0.03% | +279+1.1% | Added |
| Commonwealth Equity Services, LLC | 25,906 | $9.24M | 0.01% | +797+3.2% | Added |
| Macquarie Group Ltd | 26,409 | $9.42M | 0.01% | −1,720−6.1% | Reduced |
| GHP Investment Advisors, Inc. | 26,635 | $9.50M | 0.40% | +160+0.6% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 26,692 | $9.52M | 0.01% | −31,185−53.9% | Reduced |
| First Manhattan Co | 26,782 | $9.55M | 0.03% | −1,560−5.5% | Reduced |
| O'Shaughnessy Asset Management, LLC | 26,911 | $9.60M | 0.06% | +1,967+7.9% | Added |
| Cetera Investment Advisers | 27,162 | $9.69M | 0.01% | +6,359+30.6% | Added |
| Elo Mutual Pension Insurance Co | 27,243 | $9.71M | 0.16% | +7,699+39.4% | Added |
| American Century Companies Inc | 27,415 | $9.78M | 0.00% | +950+3.6% | Added |
| JustInvest LLC | 27,565 | $9.83M | 0.10% | +1,009+3.8% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 27,853 | $9.93M | 0.08% | +1,713+6.6% | Added |
| Yousif Capital Management, LLC | 27,876 | $9.94M | 0.11% | −1,416−4.8% | Reduced |
| Beese Fulmer Investment Management, Inc. | 27,977 | $9.98M | 0.69% | +1,261+4.7% | Added |
| Wedge Capital Management L L P | 28,317 | $10.1M | 0.17% | −3,453−10.9% | Reduced |
| Canada Pension Plan Investment Board | 28,379 | $10.1M | 0.01% | −168,532−85.6% | Reduced |
| Baird Financial Group, Inc. | 28,504 | $10.2M | 0.02% | +668+2.4% | Added |
| Motley Fool Asset Management LLC | 28,883 | $10.3M | 0.43% | −1,176−3.9% | Reduced |
| Motco | 28,963 | $10.3M | 0.94% | +157+0.5% | Added |
| Hudson Bay Capital Management LP | 29,113 | $10.4M | 0.06% | +29,113 | New |
| Trexquant Investment LP | 29,121 | $10.4M | 0.11% | +9,672+49.7% | Added |
| New York Life Investment Management LLC | 29,246 | $10.4M | 0.09% | −91−0.3% | Reduced |
| State of Alaska, Department of Revenue | 29,270 | $10.4M | 0.11% | −665−2.2% | Reduced |
| British Columbia Investment Management Corp | 29,482 | $10.5M | 0.06% | −1,106−3.6% | Reduced |
| Silvercrest Asset Management Group LLC | 30,065 | $10.7M | 0.07% | +3,452+13.0% | Added |
| Advisor Group Holdings, Inc. | 29,894 | $10.7M | 0.02% | +597+2.0% | Added |
| Peapack Gladstone Financial Corp | 30,327 | $10.8M | 0.14% | +105+0.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 31,043 | $11.1M | 0.03% | +3,100+11.1% | Added |
| NEOS Investment Management LLC | 31,209 | $11.1M | 0.08% | +10,217+48.7% | Added |
| US Bancorp | 31,357 | $11.2M | 0.01% | +418+1.4% | Added |
| ExodusPoint Capital Management, LP | 31,872 | $11.4M | 0.16% | +31,872 | New |
| Creative Planning | 32,096 | $11.4M | 0.01% | +2,620+8.9% | Added |
| Aryeh Capital Management Ltd. | 32,300 | $11.5M | 9.64% | +6,900+27.2% | Added |
| Zevin Asset Management LLC | 32,479 | $11.6M | 1.68% | −545−1.7% | Reduced |
| Van Eck Associates Corp | 32,627 | $11.6M | 0.01% | +634+2.0% | Added |
| Daiwa Securities Group Inc. | 32,966 | $11.8M | 0.04% | +2,304+7.5% | Added |
| Borer Denton & Associates, Inc. | 33,112 | $11.8M | 3.90% | +335+1.0% | Added |
| Cinctive Capital Management LP | 33,686 | $12.0M | 0.60% | +33,686 | New |
| Police & Firemen's Retirement System of New Jersey | 33,790 | $12.0M | 0.10% | +1,907+6.0% | Added |
| Utah Retirement Systems | 34,698 | $12.4M | 0.12% | +1,626+4.9% | Added |
| Prudential Financial Inc | 34,781 | $12.4M | 0.01% | −2,564−6.9% | Reduced |
| Marshall Wace, LLP | 34,902 | $12.4M | 0.01% | −206,717−85.6% | Reduced |
| Tower Bridge Advisors | 35,282 | $12.6M | 1.26% | −5,328−13.1% | Reduced |
| Premier Fund Managers Ltd | 35,828 | $12.7M | 0.52% | +1,600+4.7% | Added |