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 2026
Institutional positions in Aon plc as of Mar 31, 2026. 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
- 1,266
- −3 vs. Q4 2025
- Shares held
- 187.6M
- +22.2M (+13.4%) vs. Q4 2025
- Total value
- $60.6B
- +$2.27B (+3.9%) vs. Q4 2025
- New holders
- 142
- 485 more added
- Sold out
- 145
- 417 more reduced
20 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Distillate Capital Partners LLC | 65,551 | $21.2M | 1.11% | +65,551 | New |
| Picton Mahoney Asset Management | 63,005 | $20.3M | 0.21% | +6,881+12.3% | Added |
| Bank of Nova Scotia | 62,532 | $20.2M | 0.04% | +14,465+30.1% | Added |
| JLB & Associates Inc | 61,966 | $20.0M | 2.87% | −2,946−4.5% | Reduced |
| Alyeska Investment Group, L.P. | 61,730 | $19.9M | 0.06% | −4,915−7.4% | Reduced |
| Victory Capital Management Inc | 61,296 | $19.8M | 0.01% | −6,349−9.4% | Reduced |
| Tredje AP-fonden | 61,086 | $19.7M | 0.11% | +53,370+691.7% | Added |
| Public Sector Pension Investment Board | 61,016 | $19.7M | 0.06% | +6,272+11.5% | Added |
| Tudor Investment Corp Et Al | 61,000 | $19.7M | 0.11% | +61,000 | New |
| Credit Agricole S A | 58,883 | $19.0M | 0.06% | −10,654−15.3% | Reduced |
| MetLife Investment Management | 58,801 | $19.0M | 0.10% | −1,996−3.3% | Reduced |
| Czech National Bank | 58,418 | $18.9M | 0.12% | +1,742+3.1% | Added |
| Xponance, Inc. | 58,330 | $18.8M | 0.13% | +3,748+6.9% | Added |
| Resona Asset Management Co.,Ltd. | 58,047 | $18.7M | 0.09% | +524+0.9% | Added |
| LTS One Management LP | 57,325 | $18.5M | 7.75% | −7,375−11.4% | Reduced |
| Avalon Trust Co | 57,236 | $18.5M | 1.27% | +350+0.6% | Added |
| Glenmede Trust Co NA | 56,358 | $18.2M | 0.09% | +7,890+16.3% | Added |
| State of Michigan Retirement System | 56,058 | $18.1M | 0.10% | −200−0.4% | Reduced |
| Arizona State Retirement System | 55,957 | $18.1M | 0.11% | −1,698−2.9% | Reduced |
| Canoe Financial LP | 55,189 | $17.8M | 0.24% | −22,560−29.0% | Reduced |
| Abner Herrman & Brock LLC | 53,632 | $17.3M | 1.91% | −523−1.0% | Reduced |
| Ieq Capital, LLC | 53,062 | $17.1M | 0.08% | +25,715+94.0% | Added |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 52,661 | $17.0M | 0.26% | +19,800+60.3% | Added |
| Robeco Institutional Asset Management B.V. | 52,608 | $17.0M | 0.02% | −10,587−16.8% | Reduced |
| Rafferty Asset Management, LLC | 52,151 | $16.8M | 0.07% | −13,417−20.5% | Reduced |
| Cullen/Frost Bankers, Inc. | 50,781 | $16.4M | 0.19% | +558+1.1% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 49,966 | $16.1M | 0.08% | −29−0.1% | Reduced |
| Creative Planning | 49,764 | $16.1M | 0.01% | +9,734+24.3% | Added |
| CIBC World Markets Inc. | 49,729 | $16.1M | 0.03% | +791+1.6% | Added |
| Global Frontier Investments LLC | 49,000 | $15.8M | 2.16% | 00.0% | Unchanged |
| Barings LLC | 46,248 | $14.9M | 0.24% | −24,829−34.9% | Reduced |
| Varma Mutual Pension Insurance Co | 46,100 | $14.9M | 0.09% | 00.0% | Unchanged |
| Retirement Systems of Alabama | 45,550 | $14.7M | 0.05% | −175−0.4% | Reduced |
| DnB Asset Management AS | 44,583 | $14.4M | 0.05% | +3,222+7.8% | Added |
| Suncoast Equity Management | 44,390 | $14.3M | 1.72% | +44,390 | New |
| Amalgamated Bank | 44,362 | $14.3M | 0.11% | −1,389−3.0% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 43,713 | $14.1M | 0.04% | +6,161+16.4% | Added |
| ProShare Advisors LLC | 43,186 | $13.9M | 0.02% | −2,183−4.8% | Reduced |
| Allianz Asset Management GmbH | 43,114 | $13.9M | 0.02% | +1,367+3.3% | Added |
| Stephens Inc | 42,556 | $13.7M | 0.17% | +2,300+5.7% | Added |
| HighTower Advisors, LLC | 42,170 | $13.6M | 0.01% | +140+0.3% | Added |
| Brinker Capital Investments, LLC | 41,812 | $13.5M | 0.12% | −1,510−3.5% | Reduced |
| Nisa Investment Advisors, LLC | 41,675 | $13.5M | 0.05% | −12,127−22.5% | Reduced |
| IFM Investors Pty Ltd | 40,827 | $13.2M | 0.11% | +1,288+3.3% | Added |
| Corsair Capital Management, L.P. | 40,101 | $12.9M | 1.92% | 00.0% | Unchanged |
| Kornitzer Capital Management Inc | 40,050 | $12.9M | 0.28% | −4,816−10.7% | Reduced |
| Daiwa Securities Group Inc. | 39,430 | $12.7M | 0.04% | +5,420+15.9% | Added |
| CI Private Wealth, LLC | 40,653 | $12.6M | 0.02% | −35,458−46.6% | Reduced |
| Pathstone Holdings, LLC | 38,692 | $12.5M | 0.05% | −246−0.6% | Reduced |
| Captrust Financial Advisors | 38,482 | $12.4M | 0.02% | +7,291+23.4% | Added |
| Artemis Investment Management LLP | 36,724 | $11.9M | 0.13% | −4,505−10.9% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 36,500 | $11.8M | 0.09% | −13,772−27.4% | Reduced |
| Cetera Investment Advisers | 36,423 | $11.8M | 0.01% | +8,929+32.5% | Added |
| KBC Group NV | 36,063 | $11.6M | 0.03% | −719−2.0% | Reduced |
| GM Advisory Group, Inc. | 35,752 | $11.5M | 0.44% | −6,037−14.4% | Reduced |
| Frontier Capital Management Co LLC | 34,992 | $11.3M | 0.12% | −23,601−40.3% | Reduced |
| Capital International Ltd | 34,832 | $11.2M | 0.42% | +1,388+4.2% | Added |
| Zevin Asset Management LLC | 34,261 | $11.1M | 1.53% | +251+0.7% | Added |
| Utah Retirement Systems | 34,131 | $11.0M | 0.11% | −567−1.6% | Reduced |
| Factory Mutual Insurance Co | 34,000 | $11.0M | 0.12% | +1,300+4.0% | Added |
| Fayez Sarofim & Co | 33,620 | $10.9M | 0.03% | +7,284+27.7% | Added |
| Tower Bridge Advisors | 33,476 | $10.8M | 1.04% | +114+0.3% | Added |
| Point72 Asset Management, L.P. | 33,297 | $10.7M | 0.02% | −154,921−82.3% | Reduced |
| Borer Denton & Associates, Inc. | 32,886 | $10.6M | 3.79% | −58−0.2% | Reduced |
| Janney Montgomery Scott LLC | 32,439 | $10.5M | 0.03% | +20,983+183.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 32,297 | $10.4M | 0.09% | +79+0.2% | Added |
| Eurizon Capital SGR S.p.A. | 31,906 | $10.3M | 0.03% | +31,906 | New |
| Sone Capital Management, LLC | 31,483 | $10.2M | 0.85% | −2,819−8.2% | Reduced |
| Beese Fulmer Investment Management, Inc. | 31,236 | $10.1M | 0.65% | +1,692+5.7% | Added |
| Truist Financial Corp | 31,199 | $10.1M | 0.01% | +10,186+48.5% | Added |
| Premier Fund Managers Ltd | 30,668 | $9.94M | 0.70% | −2,160−6.6% | Reduced |
| Baird Financial Group, Inc. | 30,711 | $9.91M | 0.02% | +1,382+4.7% | Added |
| NEOS Investment Management LLC | 30,543 | $9.86M | 0.05% | −3,257−9.6% | Reduced |
| O'Shaughnessy Asset Management, LLC | 30,522 | $9.85M | 0.05% | +6,743+28.4% | Added |
| Motco | 30,391 | $9.81M | 0.91% | +1,318+4.5% | Added |
| Peapack Gladstone Financial Corp | 30,194 | $9.75M | 0.12% | +16+0.1% | Added |
| Elo Mutual Pension Insurance Co | 30,191 | $9.75M | 0.16% | +1,999+7.1% | Added |
| Engineers Gate Manager LP | 29,551 | $9.54M | 0.12% | +2,999+11.3% | Added |
| CWM, LLC | 29,527 | $9.53M | 0.03% | +15,596+112.0% | Added |
| Prudential Financial Inc | 29,018 | $9.37M | 0.01% | −8,843−23.4% | Reduced |
| Mediolanum International Funds Ltd | 28,645 | $9.28M | 0.10% | +3,945+16.0% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 28,640 | $9.24M | 0.07% | +274+1.0% | Added |
| British Columbia Investment Management Corp | 28,141 | $9.08M | 0.05% | −8,207−22.6% | Reduced |
| MML Investors Services, LLC | 28,019 | $9.04M | 0.03% | +14,533+107.8% | Added |
| Philadelphia Financial Management of San Francisco, LLC | 28,000 | $9.04M | 2.90% | +28,000 | New |
| Mercer Global Advisors Inc | 27,748 | $8.96M | 0.01% | +10,878+64.5% | Added |
| First Trust Advisors LP | 27,672 | $8.93M | 0.01% | −11,245−28.9% | Reduced |
| Clifford Swan Investment Counsel LLC | 27,076 | $8.74M | 0.30% | +2,785+11.5% | Added |
| JustInvest LLC | 27,025 | $8.72M | 0.09% | −977−3.5% | Reduced |
| American Century Companies Inc | 26,854 | $8.67M | 0.00% | −1,437−5.1% | Reduced |
| Vinva Investment Management Ltd | 26,725 | $8.66M | 0.11% | +7,629+40.0% | Added |
| Janus Henderson Group PLC | 26,747 | $8.63M | 0.00% | +2,396+9.8% | Added |
| Boston Common Asset Management, LLC | 26,695 | $8.62M | 0.55% | −922−3.3% | Reduced |
| State of Alaska, Department of Revenue | 26,675 | $8.61M | 0.09% | −390−1.4% | Reduced |
| Motley Fool Asset Management LLC | 26,587 | $8.58M | 0.37% | −1,232−4.4% | Reduced |
| Old National Bancorp | 26,400 | $8.52M | 0.14% | +2,100+8.6% | Added |
| Oppenheimer Asset Management Inc. | 26,392 | $8.52M | 0.10% | −6,560−19.9% | Reduced |
| GHP Investment Advisors, Inc. | 26,374 | $8.51M | 0.35% | −144−0.5% | Reduced |
| Fifth Third Bancorp | 26,074 | $8.42M | 0.02% | +1,761+7.2% | Added |
| Yousif Capital Management, LLC | 25,814 | $8.33M | 0.10% | −556−2.1% | Reduced |