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 |
|---|---|---|---|---|---|
| Occudo Quantitative Strategies LP | 5,883 | $1.83M | 0.10% | +5,883 | New |
| Meeder Advisory Services, Inc. | 5,601 | $1.81M | 0.08% | +927+19.8% | Added |
| Brown Advisory Inc | 5,553 | $1.79M | 0.00% | −209−3.6% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 5,526 | $1.78M | 0.12% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 5,474 | $1.77M | 0.06% | +807+17.3% | Added |
| TCW Group Inc | 5,384 | $1.74M | 0.01% | +1,316+32.4% | Added |
| Bank of Nova Scotia Trust Co | 5,267 | $1.70M | 0.15% | +5,267 | New |
| Resources Investment Advisors, LLC. | 5,211 | $1.68M | 0.02% | −231−4.2% | Reduced |
| Caldwell Trust Co | 5,200 | $1.68M | 0.15% | 00.0% | Unchanged |
| Welch Group, LLC | 5,148 | $1.66M | 0.06% | 00.0% | Unchanged |
| Concurrent Investment Advisors, LLC | 5,113 | $1.65M | 0.02% | +377+8.0% | Added |
| Snowden Capital Advisors LLC | 5,074 | $1.64M | 0.04% | −164−3.1% | Reduced |
| NorthCrest Asset Manangement, LLC | 5,059 | $1.63M | 0.05% | −315−5.9% | Reduced |
| CAPROCK Group, Inc. | 5,041 | $1.63M | 0.04% | −1,795−26.3% | Reduced |
| Cohen Klingenstein LLC | 5,000 | $1.61M | 0.05% | 00.0% | Unchanged |
| Coldstream Capital Management Inc | 4,987 | $1.61M | 0.02% | −797−13.8% | Reduced |
| Ossiam | 4,984 | $1.61M | 0.03% | +731+17.2% | Added |
| Triumph Capital Management | 4,952 | $1.60M | 0.33% | +20.0% | Added |
| Pragma Gestao de Patrimonio Ltd | 4,900 | $1.58M | 0.84% | +4,900 | New |
| Mesirow Financial Investment Management, Inc. | 4,897 | $1.58M | 0.03% | +6+0.1% | Added |
| Romano Brothers and Company | 4,882 | $1.58M | 0.18% | −25−0.5% | Reduced |
| Tealwood Asset Management Inc | 4,867 | $1.57M | 0.71% | +86+1.8% | Added |
| Sterling Capital Management LLC | 4,838 | $1.56M | 0.03% | −3,313−40.6% | Reduced |
| Plato Investment Management Ltd | 4,832 | $1.56M | 0.10% | +135+2.9% | Added |
| We Are One Seven, LLC | 4,789 | $1.55M | 0.03% | +2,266+89.8% | Added |
| Quadrant Capital Group LLC | 4,705 | $1.52M | 0.05% | +247+5.5% | Added |
| Argent Trust Co | 4,682 | $1.51M | 0.05% | +3,710+381.7% | Added |
| Canandaigua National Corp | 4,659 | $1.50M | 0.13% | +4,659 | New |
| Waterfront Wealth Inc. | 4,650 | $1.50M | 0.28% | +895+23.8% | Added |
| Diversify Wealth Management, LLC | 4,629 | $1.49M | 0.03% | +2,765+148.3% | Added |
| Syon Capital LLC | 4,589 | $1.48M | 0.07% | +95+2.1% | Added |
| Parkside Financial Bank & Trust | 4,526 | $1.46M | 0.11% | −78−1.7% | Reduced |
| Value Partners Investments Inc. | 4,513 | $1.46M | 0.11% | +506+12.6% | Added |
| Richard Bernstein Advisors LLC | 4,425 | $1.43M | 0.04% | +4,425 | New |
| Everence Capital Management Inc | 4,406 | $1.42M | 0.09% | −1,027−18.9% | Reduced |
| Enterprise Financial Services Corp | 4,397 | $1.42M | 0.72% | −139−3.1% | Reduced |
| Nomura Asset Management International Inc. | 4,348 | $1.40M | 0.00% | +574+15.2% | Added |
| Ashton Thomas Private Wealth, LLC | 4,339 | $1.40M | 0.03% | +3,028+231.0% | Added |
| Arkadios Wealth Advisors | 4,334 | $1.40M | 0.02% | +94+2.2% | Added |
| Greenland Capital Management LP | 4,325 | $1.40M | 0.28% | −375−8.0% | Reduced |
| Banque Cantonale Vaudoise | 4,319 | $1.39M | 0.05% | +2,543+143.2% | Added |
| Biltmore Family Office, LLC | 4,242 | $1.37M | 0.19% | −12,320−74.4% | Reduced |
| Private Wealth Asset Management, LLC | 4,233 | $1.37M | 0.15% | −20.0% | Reduced |
| Norden Group LLC | 4,227 | $1.36M | 0.13% | +270+6.8% | Added |
| Auxier Asset Management | 4,222 | $1.36M | 0.20% | +250+6.3% | Added |
| CX Institutional | 4,135 | $1.33M | 0.04% | −202−4.7% | Reduced |
| Cambria Investment Management, L.P. | 4,133 | $1.33M | 0.07% | −315−7.1% | Reduced |
| Mission Wealth Management, LP | 4,129 | $1.33M | 0.03% | +220+5.6% | Added |
| Mattern Capital Management, LLC | 4,116 | $1.33M | 0.16% | +142+3.6% | Added |
| Exchange Traded Concepts, LLC | 4,110 | $1.33M | 0.01% | +885+27.4% | Added |
| Portside Wealth Group, LLC | 4,092 | $1.32M | 0.18% | −2,959−42.0% | Reduced |
| Chesley Taft & Associates LLC | 4,073 | $1.31M | 0.05% | −5−0.1% | Reduced |
| Accredited Investors Inc. | 4,067 | $1.31M | 0.07% | −118−2.8% | Reduced |
| Wealthedge Investment Advisors, LLC | 4,059 | $1.31M | 0.48% | +2,293+129.8% | Added |
| Vestcor Inc | 4,010 | $1.29M | 0.04% | −220−5.2% | Reduced |
| Dynasty Wealth Management, LLC | 3,984 | $1.29M | 0.01% | +148+3.9% | Added |
| Ellis Investment Partners, LLC | 3,903 | $1.26M | 0.22% | −84−2.1% | Reduced |
| Huntington National Bank | 3,886 | $1.25M | 0.01% | −108−2.7% | Reduced |
| Highland Capital Management, LLC | 3,850 | $1.24M | 0.07% | 00.0% | Unchanged |
| Buckingham Strategic Partners | 3,847 | $1.24M | 0.01% | +3,847 | New |
| Farther Finance Advisors, LLC | 3,854 | $1.24M | 0.01% | +724+23.1% | Added |
| LGT Fund Management Co Ltd. | 3,818 | $1.23M | 0.05% | 00.0% | Unchanged |
| Curated Wealth Partners LLC | 3,761 | $1.21M | 0.15% | −95−2.5% | Reduced |
| Kovitz Investment Group Partners, LLC | 3,725 | $1.20M | 0.03% | +10.0% | Added |
| Regal Investment Advisors LLC | 3,715 | $1.20M | 0.07% | +749+25.3% | Added |
| Hillsdale Investment Management Inc. | 3,700 | $1.19M | 0.03% | +3,700 | New |
| NorthRock Partners, LLC | 3,683 | $1.19M | 0.02% | +528+16.7% | Added |
| NBT Bank N A | 3,655 | $1.18M | 0.08% | −555−13.2% | Reduced |
| Vise Technologies, Inc. | 3,334 | $1.18M | 0.02% | 00.0% | Unchanged |
| Silver Lake Advisory, LLC | 3,623 | $1.17M | 0.46% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 3,594 | $1.16M | 0.00% | +1,357+60.7% | Added |
| Allworth Financial LP | 3,589 | $1.16M | 0.00% | +994+38.3% | Added |
| Evolve Private Wealth, LLC | 3,584 | $1.16M | 0.06% | −596−14.3% | Reduced |
| Dorsey & Whitney Trust CO LLC | 3,550 | $1.15M | 0.06% | +234+7.1% | Added |
| First American Bank | 3,540 | $1.14M | 0.07% | 00.0% | Unchanged |
| Canton Hathaway, LLC | 3,500 | $1.13M | 0.23% | 00.0% | Unchanged |
| Chicago Partners Investment Group LLC | 3,420 | $1.12M | 0.02% | +2,125+164.1% | Added |
| ABN AMRO Bank N.V. | 3,402 | $1.11M | 0.01% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 3,416 | $1.10M | 0.09% | +3,416 | New |
| Signaturefd, LLC | 3,417 | $1.10M | 0.02% | +40+1.2% | Added |
| LGT Group Foundation | 3,402 | $1.10M | 0.01% | +2+0.1% | Added |
| Greenleaf Trust | 3,377 | $1.09M | 0.01% | −349−9.4% | Reduced |
| Pictet & Cie (Europe) SA | 3,335 | $1.08M | 0.02% | 00.0% | Unchanged |
| Principal Securities, Inc. | 3,329 | $1.07M | 0.02% | +3,329 | New |
| Raiffeisen Bank International AG | 3,306 | $1.07M | 0.02% | +16+0.5% | Added |
| Apollon Wealth Management, LLC | 3,315 | $1.07M | 0.02% | +1,301+64.6% | Added |
| Gibbs Wealth Management | 3,291 | $1.06M | 0.14% | −1,231−27.2% | Reduced |
| Holistic Planning, LLC | 3,291 | $1.06M | 0.21% | +842+34.4% | Added |
| Duncker Streett & Co Inc | 3,289 | $1.06M | 0.20% | 00.0% | Unchanged |
| U.S. Capital Wealth Advisors, LLC | 3,286 | $1.06M | 0.03% | +105+3.3% | Added |
| Stratos Wealth Partners, LTD. | 3,212 | $1.04M | 0.01% | +406+14.5% | Added |
| Private Trust Co NA | 3,209 | $1.04M | 0.09% | −53−1.6% | Reduced |
| Diversified Enterprises, LLC | 3,207 | $1.04M | 0.06% | −3,429−51.7% | Reduced |
| Comprehensive Financial Management LLC | 3,197 | $1.03M | 0.03% | 00.0% | Unchanged |
| Venturi Wealth Management, LLC | 3,189 | $1.03M | 0.05% | +350+12.3% | Added |
| Rathbone Brothers plc | 3,174 | $1.02M | 0.00% | 00.0% | Unchanged |
| Chicago Capital, LLC | 3,123 | $1.01M | 0.03% | +1,065+51.7% | Added |
| Marble Harbor Investment Counsel, LLC | 3,100 | $1.00M | 0.11% | −10−0.3% | Reduced |
| Nordwand Advisors, LLC | 3,085 | $995.8K | 0.17% | −875−22.1% | Reduced |
| Frank, Rimerman Advisors LLC | 3,073 | $991.9K | 0.07% | −48−1.5% | Reduced |