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 |
|---|---|---|---|---|---|
| Resona Asset Management Co.,Ltd. | 61,762 | $22.0M | 0.10% | +240.0% | Added |
| Handelsbanken Fonder AB | 61,449 | $21.9M | 0.07% | +970+1.6% | Added |
| Credit Agricole S A | 60,072 | $21.4M | 0.07% | +60,072 | New |
| Arizona State Retirement System | 59,940 | $21.4M | 0.11% | +3,109+5.5% | Added |
| Barings LLC | 59,633 | $21.3M | 0.40% | +55,186+1,241.0% | Added |
| Susquehanna International Group, LLP | 59,306 | $21.1M | 0.03% | −18,102−23.4% | Reduced |
| Bank of Nova Scotia | 59,174 | $21.1M | 0.04% | +11,395+23.8% | Added |
| State of Michigan Retirement System | 58,358 | $20.8M | 0.10% | −400−0.7% | Reduced |
| CIBC Bancorp USA Inc. | 58,181 | $20.7M | 0.13% | +58,181 | New |
| Sone Capital Management, LLC | 58,161 | $20.7M | 1.74% | +58,161 | New |
| Financiere des Professionnels - Fonds d,investissement inc. | 56,961 | $20.3M | 1.17% | −594−1.0% | Reduced |
| Robeco Institutional Asset Management B.V. | 56,474 | $20.1M | 0.03% | −701−1.2% | Reduced |
| Engineers Gate Manager LP | 56,215 | $20.0M | 0.23% | +55,364+6,505.8% | Added |
| Picton Mahoney Asset Management | 55,589 | $19.8M | 0.25% | +2,776+5.3% | Added |
| Abner Herrman & Brock LLC | 55,281 | $19.7M | 2.03% | −506−0.9% | Reduced |
| Managed Asset Portfolios, LLC | 54,878 | $19.6M | 2.42% | +598+1.1% | Added |
| Czech National Bank | 54,765 | $19.5M | 0.13% | +1,982+3.8% | Added |
| Glenmede Investment Management, LP | 52,627 | $18.8M | 0.09% | −4,960−8.6% | Reduced |
| Brinker Capital Investments, LLC | 51,962 | $18.5M | 0.14% | −8,887−14.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 51,780 | $18.5M | 0.09% | −1,180−2.2% | Reduced |
| Cubist Systematic Strategies, LLC | 51,328 | $18.3M | 0.26% | +51,328 | New |
| Factory Mutual Insurance Co | 51,000 | $18.2M | 0.18% | +5,000+10.9% | Added |
| Nisa Investment Advisors, LLC | 50,909 | $18.2M | 0.07% | −5,076−9.1% | Reduced |
| Xponance, Inc. | 50,563 | $18.0M | 0.14% | −769−1.5% | Reduced |
| Global Frontier Investments LLC | 49,000 | $17.5M | 3.37% | 00.0% | Unchanged |
| CIBC World Markets Inc. | 48,997 | $17.5M | 0.04% | +1,699+3.6% | Added |
| Hantz Financial Services, Inc. | 48,394 | $17.3M | 0.26% | −12,511−20.5% | Reduced |
| Cullen/Frost Bankers, Inc. | 48,303 | $17.2M | 0.20% | +337+0.7% | Added |
| Amalgamated Bank | 48,275 | $17.2M | 0.12% | +477+1.0% | Added |
| Forsta Ap-Fonden | 48,000 | $17.1M | 0.10% | +5,400+12.7% | Added |
| AXA Investment Managers S.A. | 47,764 | $17.0M | 0.05% | +47,764 | New |
| Public Sector Pension Investment Board | 46,530 | $16.6M | 0.06% | +2,055+4.6% | Added |
| Retirement Systems of Alabama | 45,996 | $16.4M | 0.05% | −341−0.7% | Reduced |
| Kornitzer Capital Management Inc | 44,866 | $16.0M | 0.32% | 00.0% | Unchanged |
| Capital Group Private Client Services, Inc. | 44,787 | $16.0M | 0.27% | −134,405−75.0% | Reduced |
| Oppenheimer Asset Management Inc. | 44,025 | $15.7M | 0.17% | −6,626−13.1% | Reduced |
| Lighthouse Investment Partners, LLC | 43,478 | $15.5M | 0.56% | +43,478 | New |
| ProShare Advisors LLC | 43,271 | $15.4M | 0.03% | −4,528−9.5% | Reduced |
| Capital International Ltd | 42,254 | $15.1M | 0.55% | +856+2.1% | Added |
| GM Advisory Group, Inc. | 41,709 | $14.9M | 0.63% | 00.0% | Unchanged |
| Mariner, LLC | 41,520 | $14.8M | 0.02% | +814+2.0% | Added |
| Varma Mutual Pension Insurance Co | 41,000 | $14.6M | 0.09% | +3,300+8.8% | Added |
| HighTower Advisors, LLC | 40,965 | $14.6M | 0.02% | +2,242+5.8% | Added |
| Artemis Investment Management LLP | 40,829 | $14.6M | 0.18% | −23,346−36.4% | Reduced |
| Cerity Partners LLC | 40,399 | $14.4M | 0.02% | +2,796+7.4% | Added |
| Stephens Inc | 40,222 | $14.3M | 0.18% | −563−1.4% | Reduced |
| Corsair Capital Management, L.P. | 39,746 | $14.2M | 2.51% | −622−1.5% | Reduced |
| Avalon Trust Co | 39,585 | $14.1M | 0.92% | −196−0.5% | Reduced |
| DnB Asset Management AS | 39,483 | $14.1M | 0.05% | +2,863+7.8% | Added |
| Boston Common Asset Management, LLC | 39,365 | $14.0M | 0.39% | +4,532+13.0% | Added |
| Swiss Life Asset Management Ltd | 38,449 | $13.7M | 0.07% | – | – |
| 1832 Asset Management L.P. | 37,997 | $13.5M | 0.02% | +3,992+11.7% | Added |
| Pathstone Holdings, LLC | 37,413 | $13.3M | 0.05% | +176+0.5% | Added |
| KBC Group NV | 36,233 | $12.9M | 0.03% | +4,035+12.5% | Added |
| Williams Jones Wealth Management, LLC. | 35,797 | $12.8M | 0.15% | −14,094−28.2% | Reduced |
| Premier Fund Managers Ltd | 35,828 | $12.7M | 0.52% | +1,600+4.7% | Added |
| Tower Bridge Advisors | 35,282 | $12.6M | 1.26% | −5,328−13.1% | Reduced |
| Marshall Wace, LLP | 34,902 | $12.4M | 0.01% | −206,717−85.6% | Reduced |
| Prudential Financial Inc | 34,781 | $12.4M | 0.01% | −2,564−6.9% | Reduced |
| Utah Retirement Systems | 34,698 | $12.4M | 0.12% | +1,626+4.9% | Added |
| Police & Firemen's Retirement System of New Jersey | 33,790 | $12.0M | 0.10% | +1,907+6.0% | Added |
| Cinctive Capital Management LP | 33,686 | $12.0M | 0.60% | +33,686 | New |
| Borer Denton & Associates, Inc. | 33,112 | $11.8M | 3.90% | +335+1.0% | Added |
| Daiwa Securities Group Inc. | 32,966 | $11.8M | 0.04% | +2,304+7.5% | Added |
| Van Eck Associates Corp | 32,627 | $11.6M | 0.01% | +634+2.0% | Added |
| Zevin Asset Management LLC | 32,479 | $11.6M | 1.68% | −545−1.7% | Reduced |
| Aryeh Capital Management Ltd. | 32,300 | $11.5M | 9.64% | +6,900+27.2% | Added |
| Creative Planning | 32,096 | $11.4M | 0.01% | +2,620+8.9% | Added |
| ExodusPoint Capital Management, LP | 31,872 | $11.4M | 0.16% | +31,872 | New |
| US Bancorp | 31,357 | $11.2M | 0.01% | +418+1.4% | Added |
| NEOS Investment Management LLC | 31,209 | $11.1M | 0.08% | +10,217+48.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 31,043 | $11.1M | 0.03% | +3,100+11.1% | Added |
| Peapack Gladstone Financial Corp | 30,327 | $10.8M | 0.14% | +105+0.3% | Added |
| Advisor Group Holdings, Inc. | 29,894 | $10.7M | 0.02% | +597+2.0% | Added |
| Silvercrest Asset Management Group LLC | 30,065 | $10.7M | 0.07% | +3,452+13.0% | Added |
| British Columbia Investment Management Corp | 29,482 | $10.5M | 0.06% | −1,106−3.6% | Reduced |
| State of Alaska, Department of Revenue | 29,270 | $10.4M | 0.11% | −665−2.2% | Reduced |
| New York Life Investment Management LLC | 29,246 | $10.4M | 0.09% | −91−0.3% | Reduced |
| Trexquant Investment LP | 29,121 | $10.4M | 0.11% | +9,672+49.7% | Added |
| Hudson Bay Capital Management LP | 29,113 | $10.4M | 0.06% | +29,113 | New |
| Motco | 28,963 | $10.3M | 0.94% | +157+0.5% | Added |
| Motley Fool Asset Management LLC | 28,883 | $10.3M | 0.43% | −1,176−3.9% | Reduced |
| Baird Financial Group, Inc. | 28,504 | $10.2M | 0.02% | +668+2.4% | Added |
| Canada Pension Plan Investment Board | 28,379 | $10.1M | 0.01% | −168,532−85.6% | Reduced |
| Wedge Capital Management L L P | 28,317 | $10.1M | 0.17% | −3,453−10.9% | Reduced |
| Beese Fulmer Investment Management, Inc. | 27,977 | $9.98M | 0.69% | +1,261+4.7% | Added |
| Yousif Capital Management, LLC | 27,876 | $9.94M | 0.11% | −1,416−4.8% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 27,853 | $9.93M | 0.08% | +1,713+6.6% | Added |
| JustInvest LLC | 27,565 | $9.83M | 0.10% | +1,009+3.8% | Added |
| American Century Companies Inc | 27,415 | $9.78M | 0.00% | +950+3.6% | Added |
| Elo Mutual Pension Insurance Co | 27,243 | $9.71M | 0.16% | +7,699+39.4% | Added |
| Cetera Investment Advisers | 27,162 | $9.69M | 0.01% | +6,359+30.6% | Added |
| O'Shaughnessy Asset Management, LLC | 26,911 | $9.60M | 0.06% | +1,967+7.9% | Added |
| First Manhattan Co | 26,782 | $9.55M | 0.03% | −1,560−5.5% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 26,692 | $9.52M | 0.01% | −31,185−53.9% | Reduced |
| GHP Investment Advisors, Inc. | 26,635 | $9.50M | 0.40% | +160+0.6% | Added |
| Macquarie Group Ltd | 26,409 | $9.42M | 0.01% | −1,720−6.1% | Reduced |
| Commonwealth Equity Services, LLC | 25,906 | $9.24M | 0.01% | +797+3.2% | Added |
| Public Employees Retirement Association of Colorado | 25,868 | $9.22M | 0.03% | +279+1.1% | Added |
| Cornerstone Advisors, LLC | 25,800 | $9.20M | 0.30% | 00.0% | Unchanged |