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, Q1 2025
Institutional positions in Aon plc as of Mar 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
- 1,276
- +99 vs. Q4 2024
- Shares held
- 193.6M
- +2.23M (+1.2%) vs. Q4 2024
- Total value
- $77.1B
- +$8.37B (+12.2%) vs. Q4 2024
- New holders
- 168
- 469 more added
- Sold out
- 69
- 398 more reduced
19 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AMF Pensionsforsakring AB | 56,459 | $22.6M | 0.17% | −3,820−6.3% | Reduced |
| Abner Herrman & Brock LLC | 56,435 | $22.5M | 2.88% | −652−1.1% | Reduced |
| MetLife Investment Management | 55,814 | $22.3M | 0.12% | −1,078−1.9% | Reduced |
| Robeco Institutional Asset Management B.V. | 54,108 | $21.6M | 0.04% | +747+1.4% | Added |
| CIBC World Markets Corp | 53,103 | $21.2M | 0.17% | −8,071−13.2% | Reduced |
| Corebridge Financial, Inc. | 52,410 | $20.9M | 0.12% | −1,953−3.6% | Reduced |
| CIBC World Markets Inc. | 51,555 | $20.6M | 0.05% | +3,700+7.7% | Added |
| LTS One Management LP | 51,500 | $20.6M | 6.26% | −23,500−31.3% | Reduced |
| Gillson Capital LP | 51,357 | $20.5M | 1.75% | +51,357 | New |
| Picton Mahoney Asset Management | 51,040 | $20.4M | 0.70% | −5,627−9.9% | Reduced |
| ProShare Advisors LLC | 50,659 | $20.2M | 0.05% | +4,299+9.3% | Added |
| Oppenheimer Asset Management Inc. | 50,625 | $20.2M | 0.25% | +38,098+304.1% | Added |
| Czech National Bank | 49,672 | $19.8M | 0.18% | +2,781+5.9% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 49,457 | $19.7M | 0.12% | +3,472+7.6% | Added |
| Pictet & Cie (Europe) SA | 47,376 | $18.9M | 0.45% | −9,120−16.1% | Reduced |
| Cullen/Frost Bankers, Inc. | 47,001 | $18.8M | 0.26% | +480+1.0% | Added |
| Retirement Systems of Alabama | 46,473 | $18.5M | 0.07% | −351−0.7% | Reduced |
| AXA S.A. | 46,394 | $18.5M | 0.06% | −3,932−7.8% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 45,308 | $18.1M | 0.03% | +17,226+61.3% | Added |
| Mariner, LLC | 45,045 | $18.0M | 0.03% | −574−1.3% | Reduced |
| Kornitzer Capital Management Inc | 44,866 | $17.9M | 0.37% | +27+0.1% | Added |
| Avalon Trust Co | 44,291 | $17.7M | 1.41% | −1,782−3.9% | Reduced |
| HighTower Advisors, LLC | 43,738 | $17.5M | 0.02% | +5,142+13.3% | Added |
| Credit Agricole S A | 43,708 | $17.4M | 0.07% | −9,719−18.2% | Reduced |
| Amalgamated Bank | 43,155 | $17.2M | 0.15% | +163+0.4% | Added |
| Tower Bridge Advisors | 42,922 | $17.1M | 1.91% | −1,092−2.5% | Reduced |
| Banque Pictet & Cie SA | 42,023 | $16.8M | 0.18% | −1,611−3.7% | Reduced |
| Forsta Ap-Fonden | 41,400 | $16.5M | 0.13% | +1,600+4.0% | Added |
| Factory Mutual Insurance Co | 41,000 | $16.4M | 0.19% | +7,000+20.6% | Added |
| Capital International Ltd | 40,644 | $16.2M | 0.71% | +1,747+4.5% | Added |
| Corsair Capital Management, L.P. | 40,452 | $16.1M | 4.16% | −125−0.3% | Reduced |
| Cerity Partners LLC | 39,828 | $15.9M | 0.03% | +7,680+23.9% | Added |
| Allianz Asset Management GmbH | 39,823 | $15.9M | 0.02% | −46,444−53.8% | Reduced |
| Pathstone Holdings, LLC | 39,198 | $15.6M | 0.07% | −2,469−5.9% | Reduced |
| Managed Asset Portfolios, LLC | 38,585 | $15.4M | 2.13% | +38,585 | New |
| Stephens Inc | 37,756 | $15.1M | 0.22% | +2,940+8.4% | Added |
| British Columbia Investment Management Corp | 37,225 | $14.9M | 0.09% | −215−0.6% | Reduced |
| Mediolanum International Funds Ltd | 37,062 | $14.6M | 0.20% | −4,607−11.1% | Reduced |
| Unio Capital LLC | 36,387 | $14.5M | 5.57% | −674−1.8% | Reduced |
| Van Eck Associates Corp | 36,296 | $14.5M | 0.02% | +674+1.9% | Added |
| Man Group plc | 36,087 | $14.4M | 0.04% | +25,285+234.1% | Added |
| Renaissance Technologies LLC | 35,101 | $14.0M | 0.02% | −102,300−74.5% | Reduced |
| Canada Pension Plan Investment Board | 35,024 | $14.0M | 0.01% | +5,693+19.4% | Added |
| DnB Asset Management AS | 34,356 | $13.7M | 0.06% | −918−2.6% | Reduced |
| Varma Mutual Pension Insurance Co | 33,900 | $13.5M | 0.12% | −3,600−9.6% | Reduced |
| AQR Capital Management LLC | 34,076 | $13.5M | 0.01% | −1,924−5.3% | Reduced |
| Zevin Asset Management LLC | 33,046 | $13.2M | 2.09% | −1,566−4.5% | Reduced |
| KBC Group NV | 33,026 | $13.2M | 0.04% | +1,553+4.9% | Added |
| Borer Denton & Associates, Inc. | 32,824 | $13.1M | 4.63% | −725−2.2% | Reduced |
| Utah Retirement Systems | 32,498 | $13.0M | 0.15% | −111−0.3% | Reduced |
| Moore Capital Management, LP | 32,379 | $12.9M | 0.43% | −154,997−82.7% | Reduced |
| Toroso Investments, LLC | 32,252 | $12.9M | 0.11% | −99−0.3% | Reduced |
| Macquarie Group Ltd | 32,234 | $12.9M | 0.02% | +3,939+13.9% | Added |
| US Bancorp | 32,069 | $12.8M | 0.02% | +578+1.8% | Added |
| American Century Companies Inc | 31,463 | $12.6M | 0.01% | +1,413+4.7% | Added |
| Creative Planning | 31,431 | $12.5M | 0.01% | +1,955+6.6% | Added |
| Motley Fool Wealth Management, LLC | 30,924 | $12.3M | 0.73% | −4,329−12.3% | Reduced |
| M&T Bank Corp | 30,854 | $12.3M | 0.04% | +1,609+5.5% | Added |
| Premier Fund Managers Ltd | 31,228 | $12.3M | 0.46% | −300−1.0% | Reduced |
| Motley Fool Asset Management LLC | 30,619 | $12.2M | 0.69% | −1,053−3.3% | Reduced |
| Peapack Gladstone Financial Corp | 30,508 | $12.2M | 0.18% | +1,043+3.5% | Added |
| Marshall Wace, LLP | 30,431 | $12.1M | 0.02% | −196,047−86.6% | Reduced |
| Xponance, Inc. | 29,842 | $11.9M | 0.12% | +174+0.6% | Added |
| Yousif Capital Management, LLC | 29,193 | $11.7M | 0.14% | +1,584+5.7% | Added |
| Daiwa Securities Group Inc. | 29,071 | $11.6M | 0.05% | +2,181+8.1% | Added |
| New York Life Investment Management LLC | 28,893 | $11.5M | 0.12% | −81−0.3% | Reduced |
| First Manhattan Co | 28,581 | $11.4M | 0.03% | −391−1.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 28,543 | $11.4M | 0.12% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 28,420 | $11.3M | 0.09% | +3,465+13.9% | Added |
| Susquehanna International Group, LLP | 28,293 | $11.3M | 0.02% | −59,545−67.8% | Reduced |
| Motco | 28,120 | $11.2M | 1.19% | −284−1.0% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 28,022 | $11.2M | 0.11% | +1,489+5.6% | Added |
| Prudential Financial Inc | 27,855 | $11.1M | 0.02% | +213+0.8% | Added |
| Quantinno Capital Management LP | 27,413 | $10.9M | 0.07% | +11,072+67.8% | Added |
| Philadelphia Financial Management of San Francisco, LLC | 27,289 | $10.9M | 2.42% | +27,289 | New |
| ExodusPoint Capital Management, LP | 26,994 | $10.8M | 0.14% | +26,994 | New |
| Baird Financial Group, Inc. | 26,927 | $10.7M | 0.02% | +653+2.5% | Added |
| Silvercrest Asset Management Group LLC | 26,515 | $10.6M | 0.08% | +105+0.4% | Added |
| Boston Common Asset Management, LLC | 26,439 | $10.6M | 0.32% | +12,450+89.0% | Added |
| Ilmarinen Mutual Pension Insurance Co | 26,372 | $10.5M | 0.09% | 00.0% | Unchanged |
| GHP Investment Advisors, Inc. | 26,315 | $10.5M | 0.50% | +321+1.2% | Added |
| Beese Fulmer Investment Management, Inc. | 26,259 | $10.5M | 0.90% | +596+2.3% | Added |
| Public Employees Retirement Association of Colorado | 26,158 | $10.4M | 0.04% | −74−0.3% | Reduced |
| Citizens Financial Group Inc | 26,082 | $10.4M | 0.21% | +901+3.6% | Added |
| Aryeh Capital Management Ltd. | 25,400 | $10.1M | 7.24% | −17,400−40.7% | Reduced |
| Marks Group Wealth Management, Inc | 25,340 | $10.1M | 0.97% | +493+2.0% | Added |
| State of Alaska, Department of Revenue | 25,335 | $10.1M | 0.11% | +675+2.7% | Added |
| Mutual of America Capital Management LLC | 25,151 | $10.0M | 0.12% | −757−2.9% | Reduced |
| Truist Financial Corp | 24,858 | $9.92M | 0.02% | +540+2.2% | Added |
| Fifth Third Bancorp | 24,818 | $9.90M | 0.04% | +206+0.8% | Added |
| YHB Investment Advisors, Inc. | 24,805 | $9.90M | 0.83% | −1,161−4.5% | Reduced |
| Janus Henderson Group PLC | 25,058 | $9.88M | 0.01% | +687+2.8% | Added |
| Intermede Investment Partners Ltd | 24,458 | $9.76M | 0.31% | +177+0.7% | Added |
| Nissay Asset Management Corp | 24,403 | $9.74M | 0.06% | +58+0.2% | Added |
| Captrust Financial Advisors | 24,335 | $9.71M | 0.02% | +2,416+11.0% | Added |
| Cetera Investment Advisers | 24,248 | $9.68M | 0.02% | −1,743−6.7% | Reduced |
| Ethic Inc. | 24,086 | $9.61M | 0.19% | +2,632+12.3% | Added |
| Wedge Capital Management L L P | 24,034 | $9.59M | 0.19% | −202−0.8% | Reduced |
| Commonwealth Equity Services, LLC | 23,768 | $9.48M | 0.01% | −3,135−11.7% | Reduced |
| La Banque Postale Asset Management SA | 23,655 | $9.44M | 0.15% | −875−3.6% | Reduced |