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 |
|---|---|---|---|---|---|
| Police & Firemen's Retirement System of New Jersey | 32,297 | $10.4M | 0.09% | +79+0.2% | Added |
| Janney Montgomery Scott LLC | 32,439 | $10.5M | 0.03% | +20,983+183.2% | Added |
| Borer Denton & Associates, Inc. | 32,886 | $10.6M | 3.79% | −58−0.2% | Reduced |
| Point72 Asset Management, L.P. | 33,297 | $10.7M | 0.02% | −154,921−82.3% | Reduced |
| Tower Bridge Advisors | 33,476 | $10.8M | 1.04% | +114+0.3% | Added |
| Fayez Sarofim & Co | 33,620 | $10.9M | 0.03% | +7,284+27.7% | Added |
| Factory Mutual Insurance Co | 34,000 | $11.0M | 0.12% | +1,300+4.0% | Added |
| Utah Retirement Systems | 34,131 | $11.0M | 0.11% | −567−1.6% | Reduced |
| Zevin Asset Management LLC | 34,261 | $11.1M | 1.53% | +251+0.7% | Added |
| Capital International Ltd | 34,832 | $11.2M | 0.42% | +1,388+4.2% | Added |
| Frontier Capital Management Co LLC | 34,992 | $11.3M | 0.12% | −23,601−40.3% | Reduced |
| GM Advisory Group, Inc. | 35,752 | $11.5M | 0.44% | −6,037−14.4% | Reduced |
| KBC Group NV | 36,063 | $11.6M | 0.03% | −719−2.0% | Reduced |
| Cetera Investment Advisers | 36,423 | $11.8M | 0.01% | +8,929+32.5% | Added |
| Ilmarinen Mutual Pension Insurance Co | 36,500 | $11.8M | 0.09% | −13,772−27.4% | Reduced |
| Artemis Investment Management LLP | 36,724 | $11.9M | 0.13% | −4,505−10.9% | Reduced |
| Captrust Financial Advisors | 38,482 | $12.4M | 0.02% | +7,291+23.4% | Added |
| Pathstone Holdings, LLC | 38,692 | $12.5M | 0.05% | −246−0.6% | Reduced |
| CI Private Wealth, LLC | 40,653 | $12.6M | 0.02% | −35,458−46.6% | Reduced |
| Daiwa Securities Group Inc. | 39,430 | $12.7M | 0.04% | +5,420+15.9% | Added |
| Kornitzer Capital Management Inc | 40,050 | $12.9M | 0.28% | −4,816−10.7% | Reduced |
| Corsair Capital Management, L.P. | 40,101 | $12.9M | 1.92% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 40,827 | $13.2M | 0.11% | +1,288+3.3% | Added |
| Nisa Investment Advisors, LLC | 41,675 | $13.5M | 0.05% | −12,127−22.5% | Reduced |
| Brinker Capital Investments, LLC | 41,812 | $13.5M | 0.12% | −1,510−3.5% | Reduced |
| HighTower Advisors, LLC | 42,170 | $13.6M | 0.01% | +140+0.3% | Added |
| Stephens Inc | 42,556 | $13.7M | 0.17% | +2,300+5.7% | Added |
| Allianz Asset Management GmbH | 43,114 | $13.9M | 0.02% | +1,367+3.3% | Added |
| ProShare Advisors LLC | 43,186 | $13.9M | 0.02% | −2,183−4.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 43,713 | $14.1M | 0.04% | +6,161+16.4% | Added |
| Amalgamated Bank | 44,362 | $14.3M | 0.11% | −1,389−3.0% | Reduced |
| Suncoast Equity Management | 44,390 | $14.3M | 1.72% | +44,390 | New |
| DnB Asset Management AS | 44,583 | $14.4M | 0.05% | +3,222+7.8% | Added |
| Retirement Systems of Alabama | 45,550 | $14.7M | 0.05% | −175−0.4% | Reduced |
| Varma Mutual Pension Insurance Co | 46,100 | $14.9M | 0.09% | 00.0% | Unchanged |
| Barings LLC | 46,248 | $14.9M | 0.24% | −24,829−34.9% | Reduced |
| Global Frontier Investments LLC | 49,000 | $15.8M | 2.16% | 00.0% | Unchanged |
| CIBC World Markets Inc. | 49,729 | $16.1M | 0.03% | +791+1.6% | Added |
| Creative Planning | 49,764 | $16.1M | 0.01% | +9,734+24.3% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 49,966 | $16.1M | 0.08% | −29−0.1% | Reduced |
| Cullen/Frost Bankers, Inc. | 50,781 | $16.4M | 0.19% | +558+1.1% | Added |
| Rafferty Asset Management, LLC | 52,151 | $16.8M | 0.07% | −13,417−20.5% | Reduced |
| Robeco Institutional Asset Management B.V. | 52,608 | $17.0M | 0.02% | −10,587−16.8% | Reduced |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 52,661 | $17.0M | 0.26% | +19,800+60.3% | Added |
| Ieq Capital, LLC | 53,062 | $17.1M | 0.08% | +25,715+94.0% | Added |
| Abner Herrman & Brock LLC | 53,632 | $17.3M | 1.91% | −523−1.0% | Reduced |
| Canoe Financial LP | 55,189 | $17.8M | 0.24% | −22,560−29.0% | Reduced |
| Arizona State Retirement System | 55,957 | $18.1M | 0.11% | −1,698−2.9% | Reduced |
| State of Michigan Retirement System | 56,058 | $18.1M | 0.10% | −200−0.4% | Reduced |
| Glenmede Trust Co NA | 56,358 | $18.2M | 0.09% | +7,890+16.3% | Added |
| Avalon Trust Co | 57,236 | $18.5M | 1.27% | +350+0.6% | Added |
| LTS One Management LP | 57,325 | $18.5M | 7.75% | −7,375−11.4% | Reduced |
| Resona Asset Management Co.,Ltd. | 58,047 | $18.7M | 0.09% | +524+0.9% | Added |
| Xponance, Inc. | 58,330 | $18.8M | 0.13% | +3,748+6.9% | Added |
| Czech National Bank | 58,418 | $18.9M | 0.12% | +1,742+3.1% | Added |
| MetLife Investment Management | 58,801 | $19.0M | 0.10% | −1,996−3.3% | Reduced |
| Credit Agricole S A | 58,883 | $19.0M | 0.06% | −10,654−15.3% | Reduced |
| Tudor Investment Corp Et Al | 61,000 | $19.7M | 0.11% | +61,000 | New |
| Public Sector Pension Investment Board | 61,016 | $19.7M | 0.06% | +6,272+11.5% | Added |
| Tredje AP-fonden | 61,086 | $19.7M | 0.11% | +53,370+691.7% | Added |
| Victory Capital Management Inc | 61,296 | $19.8M | 0.01% | −6,349−9.4% | Reduced |
| Alyeska Investment Group, L.P. | 61,730 | $19.9M | 0.06% | −4,915−7.4% | Reduced |
| JLB & Associates Inc | 61,966 | $20.0M | 2.87% | −2,946−4.5% | Reduced |
| Bank of Nova Scotia | 62,532 | $20.2M | 0.04% | +14,465+30.1% | Added |
| Picton Mahoney Asset Management | 63,005 | $20.3M | 0.21% | +6,881+12.3% | Added |
| Distillate Capital Partners LLC | 65,551 | $21.2M | 1.11% | +65,551 | New |
| SEB Asset Management AB | 66,899 | $21.6M | 0.09% | +66,899 | New |
| Handelsbanken Fonder AB | 66,913 | $21.6M | 0.07% | −121−0.2% | Reduced |
| Cerity Partners LLC | 67,369 | $21.7M | 0.03% | +20,176+42.8% | Added |
| STRS Ohio | 68,808 | $22.2M | 0.09% | +3,226+4.9% | Added |
| CIBC Asset Management Inc | 68,971 | $22.3M | 0.05% | −20,629−23.0% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 69,198 | $22.3M | 0.12% | +247+0.4% | Added |
| State of New Jersey Common Pension Fund D | 70,259 | $22.7M | 0.09% | −1,034−1.5% | Reduced |
| Susquehanna Fundamental Investments, LLC | 71,538 | $23.1M | 0.87% | +46,646+187.4% | Added |
| Managed Asset Portfolios, LLC | 71,613 | $23.1M | 2.77% | +13,782+23.8% | Added |
| Squarepoint Ops LLC | 71,935 | $23.2M | 0.05% | +66,207+1,155.8% | Added |
| Capital International Sarl | 72,301 | $23.3M | 0.38% | +5,660+8.5% | Added |
| Mn Services Vermogensbeheer B.V. | 74,486 | $24.0M | 0.16% | −1,200−1.6% | Reduced |
| CIBC Bancorp USA Inc. | 75,189 | $24.3M | 0.03% | +75,189 | New |
| Mariner, LLC | 77,401 | $25.0M | 0.03% | +28,784+59.2% | Added |
| SG Americas Securities, LLC | 78,916 | $25.5M | 0.03% | −64,247−44.9% | Reduced |
| Central Securities Corp | 80,000 | $25.8M | 2.13% | −20,000−20.0% | Reduced |
| Citadel Advisors LLC | 80,300 | $25.9M | 0.02% | −361,986−81.8% | Reduced |
| Assetmark, Inc | 80,499 | $26.0M | 0.05% | +67,178+504.3% | Added |
| TD Asset Management Inc | 80,527 | $26.0M | 0.02% | +2,366+3.0% | Added |
| Public Employees Retirement System of Ohio | 84,942 | $27.4M | 0.09% | +279+0.3% | Added |
| Advisors Capital Management, LLC | 86,431 | $27.9M | 0.33% | −3,922−4.3% | Reduced |
| Swedbank AB | 87,464 | $28.2M | 0.03% | +55+0.1% | Added |
| Royal London Asset Management Ltd | 88,381 | $28.5M | 0.06% | +2,387+2.8% | Added |
| Dudley & Shanley, Inc. | 88,782 | $28.7M | 4.69% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 88,805 | $28.7M | 0.09% | +7,296+9.0% | Added |
| Treasurer of the State of North Carolina | 89,894 | $29.0M | 0.09% | +1,919+2.2% | Added |
| Pictet Asset Management Holding SA | 89,972 | $29.0M | 0.03% | −3,994−4.3% | Reduced |
| Summit Trail Advisors, LLC | 90,234 | $29.1M | 0.42% | +4,206+4.9% | Added |
| Capitolis Liquid Global Markets LLC | 90,429 | $29.2M | 0.19% | +90,429 | New |
| The PNC Financial Services Group, Inc. | 90,965 | $29.4M | 0.02% | −23,832−20.8% | Reduced |
| Wellington Management Group LLP | 91,374 | $29.5M | 0.01% | +7,147+8.5% | Added |
| Gluskin Sheff & Assoc Inc | 92,519 | $29.9M | 4.97% | −27,136−22.7% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 93,305 | $30.1M | 0.16% | +31,940+52.0% | Added |
| Asset Management One Co.,Ltd. | 94,239 | $30.4M | 0.09% | −306−0.3% | Reduced |