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 |
|---|---|---|---|---|---|
| Vident Advisory, LLC | 6,872 | $2.22M | 0.02% | +1,855+37.0% | Added |
| Tokio Marine Asset Management Co Ltd | 6,957 | $2.25M | 0.08% | +140+2.1% | Added |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 7,000 | $2.26M | 1.17% | +7,000 | New |
| Keybank National Association | 7,044 | $2.27M | 0.01% | +221+3.2% | Added |
| Beacon Financial Group | 7,156 | $2.31M | 0.23% | −30−0.4% | Reduced |
| Crossmark Global Holdings, Inc. | 7,178 | $2.32M | 0.03% | +35+0.5% | Added |
| Capital Group Investment Management Pte. Ltd. | 7,219 | $2.33M | 0.40% | +780+12.1% | Added |
| RSM US Wealth Management LLC | 7,235 | $2.34M | 0.03% | −379−5.0% | Reduced |
| Crestwood Advisors Group LLC | 7,302 | $2.36M | 0.04% | +873+13.6% | Added |
| Kampmann Melissa S. | 7,355 | $2.37M | 1.91% | −1,130−13.3% | Reduced |
| DRW Securities, LLC | 7,433 | $2.40M | 0.13% | +4,301+137.3% | Added |
| Cary Street Partners Financial LLC | 7,442 | $2.40M | 0.06% | −359−4.6% | Reduced |
| Legacy Wealth Asset Management, LLC | 7,470 | $2.41M | 0.59% | +1,050+16.4% | Added |
| Americana Partners, LLC | 7,484 | $2.42M | 0.06% | +3,552+90.3% | Added |
| HB Wealth Management, LLC | 7,509 | $2.42M | 0.02% | +1,670+28.6% | Added |
| Saudi Central Bank | 7,537 | $2.43M | 0.05% | +7,537 | New |
| Northwest & Ethical Investments L.P. | 7,552 | $2.45M | 0.06% | +4,821+176.5% | Added |
| Verdence Capital Advisors LLC | 7,631 | $2.46M | 0.14% | −314−4.0% | Reduced |
| Cullen Investment Group, Ltd. | 7,696 | $2.48M | 0.33% | +7,696 | New |
| Metis Global Partners, LLC | 7,866 | $2.54M | 0.06% | −773−8.9% | Reduced |
| Vestmark Advisory Solutions, Inc. | 7,941 | $2.56M | 0.03% | +96+1.2% | Added |
| VestGen Advisors, LLC | 8,105 | $2.56M | 0.07% | +1,091+15.6% | Added |
| TD Waterhouse Canada Inc. | 7,990 | $2.56M | 0.01% | +3,548+79.9% | Added |
| ProVise Management Group, LLC | 7,982 | $2.58M | 0.19% | +4,955+163.7% | Added |
| Quantitative Investment Management, LLC | 8,210 | $2.65M | 0.28% | +2,648+47.6% | Added |
| Assenagon Asset Management S.A. | 8,220 | $2.65M | 0.00% | +1,327+19.3% | Added |
| Equitable Holdings, Inc. | 7,617 | $2.69M | 0.02% | +6,344+498.4% | Added |
| Lido Advisors, LLC | 8,396 | $2.71M | 0.01% | −2,472−22.7% | Reduced |
| Burkett Asset Management Ltd | 8,639 | $2.79M | 2.75% | +280+3.3% | Added |
| First Foundation Advisors | 8,678 | $2.80M | 0.11% | −1,200−12.1% | Reduced |
| MUFG Securities EMEA plc | 8,794 | $2.84M | 0.04% | −45,717−83.9% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 8,896 | $2.87M | 0.01% | −231−2.5% | Reduced |
| Nicolet Bankshares Inc | 9,106 | $2.94M | 0.11% | +9,106 | New |
| LBMC Investment Advisors, LLC | 9,113 | $2.94M | 0.18% | −278−3.0% | Reduced |
| Private Advisor Group, LLC | 9,142 | $2.95M | 0.01% | +2,806+44.3% | Added |
| Tower Research Capital LLC (TRC) | 9,186 | $2.97M | 0.08% | +832+10.0% | Added |
| Citizens Financial Group Inc | 9,262 | $2.99M | 0.04% | −15,371−62.4% | Reduced |
| Horizon Investments, LLC | 9,393 | $3.02M | 0.03% | +1,026+12.3% | Added |
| Busey Wealth Management | 9,411 | $3.04M | 0.08% | −114−1.2% | Reduced |
| Diversified Trust Co | 9,515 | $3.07M | 0.06% | −3,671−27.8% | Reduced |
| MV Capital Management, Inc. | 9,669 | $3.12M | 0.31% | +156+1.6% | Added |
| Allspring Global Investments Holdings, LLC | 9,763 | $3.14M | 0.01% | −3,283−25.2% | Reduced |
| Pine Valley Investments Ltd Liability Co | 9,855 | $3.18M | 0.15% | −5,970−37.7% | Reduced |
| Anderson Hoagland & Co | 9,894 | $3.19M | 0.27% | +164+1.7% | Added |
| New Mexico Educational Retirement Board | 9,945 | $3.21M | 0.10% | 00.0% | Unchanged |
| Union Heritage Capital, LLC | 9,967 | $3.22M | 1.19% | 00.0% | Unchanged |
| Larson Financial Group LLC | 10,002 | $3.23M | 0.10% | +418+4.4% | Added |
| Pure Financial Advisors, Inc. | 10,076 | $3.25M | 0.05% | −1,196−10.6% | Reduced |
| T. Rowe Price Investment Management, Inc. | 10,141 | $3.27M | 0.00% | +2,172+27.3% | Added |
| Voleon Capital Management LP | 10,159 | $3.28M | 0.07% | −8,351−45.1% | Reduced |
| Sivia Capital Partners, LLC | 10,250 | $3.31M | 0.64% | +7,521+275.6% | Added |
| 2Xideas AG | 10,275 | $3.32M | 1.30% | −2,096−16.9% | Reduced |
| Scotia Capital Inc. | 10,329 | $3.33M | 0.01% | −2,304−18.2% | Reduced |
| Stanley-Laman Group, Ltd. | 10,425 | $3.36M | 0.41% | +456+4.6% | Added |
| Ostrum Asset Management | 10,432 | $3.37M | 0.19% | +157+1.5% | Added |
| Maryland State Retirement & Pension System | 10,467 | $3.38M | 0.07% | 00.0% | Unchanged |
| Exencial Wealth Advisors, LLC | 10,468 | $3.38M | 0.11% | +508+5.1% | Added |
| Radnor Capital Management, LLC | 10,547 | $3.40M | 0.50% | −85−0.8% | Reduced |
| Machina Capital S.A.S. | 10,561 | $3.41M | 0.67% | +2,747+35.2% | Added |
| Steward Partners Investment Advisory, LLC | 10,573 | $3.41M | 0.02% | +8,782+490.3% | Added |
| Merit Financial Group, LLC | 10,614 | $3.43M | 0.03% | +2,478+30.5% | Added |
| Pensionmark Financial Group, LLC | 10,654 | $3.44M | 0.06% | +7,390+226.4% | Added |
| Mount Yale Investment Advisors, LLC | 10,724 | $3.46M | 0.08% | +8,924+495.8% | Added |
| Louisiana State Employees Retirement System | 10,900 | $3.52M | 0.06% | −100−0.9% | Reduced |
| Regions Financial Corp | 10,939 | $3.53M | 0.02% | −561−4.9% | Reduced |
| NFP Retirement, Inc. | 10,997 | $3.55M | 0.21% | −290−2.6% | Reduced |
| Miller Capital Partners, Inc. | 11,008 | $3.55M | 1.72% | +175+1.6% | Added |
| Jane Street Group, LLC | 11,026 | $3.56M | 0.00% | +1,990+22.0% | Added |
| Bessemer Group Inc | 11,055 | $3.57M | 0.01% | +712+6.9% | Added |
| MAI Capital Management | 11,210 | $3.62M | 0.02% | +2,178+24.1% | Added |
| Wiley Bros.-Aintree Capital, LLC | 11,213 | $3.62M | 0.02% | −905−7.5% | Reduced |
| Gsa Capital Partners LLP | 11,353 | $3.67M | 0.23% | +3,346+41.8% | Added |
| Agf Management Ltd | 11,388 | $3.68M | 0.02% | +3,106+37.5% | Added |
| Seascape Capital Management | 11,424 | $3.69M | 1.06% | +394+3.6% | Added |
| Clearstead Advisors, LLC | 11,444 | $3.69M | 0.03% | +906+8.6% | Added |
| Accurate Wealth Management, LLC | 11,832 | $3.70M | 0.45% | +7+0.1% | Added |
| Renaissance Technologies LLC | 11,601 | $3.74M | 0.01% | +11,601 | New |
| Ar Asset Management Inc | 11,618 | $3.75M | 0.72% | 00.0% | Unchanged |
| Laird Norton Trust Company, LLC | 11,771 | $3.80M | 0.08% | +255+2.2% | Added |
| Rockefeller Capital Management L.P. | 11,845 | $3.82M | 0.01% | +1,397+13.4% | Added |
| Gabelli Funds LLC | 11,880 | $3.83M | 0.03% | +5,320+81.1% | Added |
| Norinchukin Bank, The | 12,013 | $3.88M | 0.05% | −84−0.7% | Reduced |
| Buckhead Capital Management LLC | 12,083 | $3.90M | 1.47% | −226−1.8% | Reduced |
| Yacktman Asset Management LP | 12,915 | $4.17M | 0.06% | 00.0% | Unchanged |
| Marks Group Wealth Management, Inc | 12,928 | $4.17M | 0.40% | −6,746−34.3% | Reduced |
| Mizuho Securities USA LLC | 12,967 | $4.19M | 0.10% | −2,683−17.1% | Reduced |
| Northwestern Mutual Wealth Management Co | 13,043 | $4.21M | 0.00% | −26−0.2% | Reduced |
| Modera Wealth Management, LLC | 13,105 | $4.23M | 0.05% | −160−1.2% | Reduced |
| Integrated Wealth Concepts LLC | 13,107 | $4.23M | 0.03% | +9,029+221.4% | Added |
| Atria Investments LLC | 13,185 | $4.26M | 0.05% | −796−5.7% | Reduced |
| Jasper Ridge Partners, L.P. | 13,390 | $4.32M | 0.10% | 00.0% | Unchanged |
| Trexquant Investment LP | 13,488 | $4.35M | 0.03% | −6,328−31.9% | Reduced |
| Pacer Advisors, Inc. | 13,647 | $4.41M | 0.01% | −5,857−30.0% | Reduced |
| Entropy Technologies, LP | 13,833 | $4.47M | 0.21% | −24,796−64.2% | Reduced |
| United Capital Financial Advisers, LLC | 13,842 | $4.47M | 0.03% | +8,910+180.7% | Added |
| Pittenger & Anderson Inc | 13,897 | $4.49M | 0.18% | 00.0% | Unchanged |
| Osmosis Investment Management UK Ltd | 13,983 | $4.51M | 0.12% | +674+5.1% | Added |
| Motley Fool Wealth Management, LLC | 14,022 | $4.53M | 0.51% | −5,835−29.4% | Reduced |
| Aptus Capital Advisors, LLC | 14,884 | $4.80M | 0.04% | +13,506+980.1% | Added |
| Johnson Investment Counsel Inc | 14,964 | $4.83M | 0.04% | −2,384−13.7% | Reduced |