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 |
|---|---|---|---|---|---|
| Hillsdale Investment Management Inc. | 3,700 | $1.19M | 0.03% | +3,700 | New |
| Regal Investment Advisors LLC | 3,715 | $1.20M | 0.07% | +749+25.3% | Added |
| Kovitz Investment Group Partners, LLC | 3,725 | $1.20M | 0.03% | +10.0% | Added |
| Curated Wealth Partners LLC | 3,761 | $1.21M | 0.15% | −95−2.5% | Reduced |
| LGT Fund Management Co Ltd. | 3,818 | $1.23M | 0.05% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 3,854 | $1.24M | 0.01% | +724+23.1% | Added |
| Buckingham Strategic Partners | 3,847 | $1.24M | 0.01% | +3,847 | New |
| Highland Capital Management, LLC | 3,850 | $1.24M | 0.07% | 00.0% | Unchanged |
| Huntington National Bank | 3,886 | $1.25M | 0.01% | −108−2.7% | Reduced |
| Ellis Investment Partners, LLC | 3,903 | $1.26M | 0.22% | −84−2.1% | Reduced |
| Dynasty Wealth Management, LLC | 3,984 | $1.29M | 0.01% | +148+3.9% | Added |
| Vestcor Inc | 4,010 | $1.29M | 0.04% | −220−5.2% | Reduced |
| Wealthedge Investment Advisors, LLC | 4,059 | $1.31M | 0.48% | +2,293+129.8% | Added |
| Accredited Investors Inc. | 4,067 | $1.31M | 0.07% | −118−2.8% | Reduced |
| Chesley Taft & Associates LLC | 4,073 | $1.31M | 0.05% | −5−0.1% | Reduced |
| Portside Wealth Group, LLC | 4,092 | $1.32M | 0.18% | −2,959−42.0% | Reduced |
| Exchange Traded Concepts, LLC | 4,110 | $1.33M | 0.01% | +885+27.4% | Added |
| Mattern Capital Management, LLC | 4,116 | $1.33M | 0.16% | +142+3.6% | Added |
| Mission Wealth Management, LP | 4,129 | $1.33M | 0.03% | +220+5.6% | Added |
| Cambria Investment Management, L.P. | 4,133 | $1.33M | 0.07% | −315−7.1% | Reduced |
| CX Institutional | 4,135 | $1.33M | 0.04% | −202−4.7% | Reduced |
| Auxier Asset Management | 4,222 | $1.36M | 0.20% | +250+6.3% | Added |
| Norden Group LLC | 4,227 | $1.36M | 0.13% | +270+6.8% | Added |
| Private Wealth Asset Management, LLC | 4,233 | $1.37M | 0.15% | −20.0% | Reduced |
| Biltmore Family Office, LLC | 4,242 | $1.37M | 0.19% | −12,320−74.4% | Reduced |
| Banque Cantonale Vaudoise | 4,319 | $1.39M | 0.05% | +2,543+143.2% | Added |
| Greenland Capital Management LP | 4,325 | $1.40M | 0.28% | −375−8.0% | Reduced |
| Arkadios Wealth Advisors | 4,334 | $1.40M | 0.02% | +94+2.2% | Added |
| Ashton Thomas Private Wealth, LLC | 4,339 | $1.40M | 0.03% | +3,028+231.0% | Added |
| Nomura Asset Management International Inc. | 4,348 | $1.40M | 0.00% | +574+15.2% | Added |
| Enterprise Financial Services Corp | 4,397 | $1.42M | 0.72% | −139−3.1% | Reduced |
| Everence Capital Management Inc | 4,406 | $1.42M | 0.09% | −1,027−18.9% | Reduced |
| Richard Bernstein Advisors LLC | 4,425 | $1.43M | 0.04% | +4,425 | New |
| Value Partners Investments Inc. | 4,513 | $1.46M | 0.11% | +506+12.6% | Added |
| Parkside Financial Bank & Trust | 4,526 | $1.46M | 0.11% | −78−1.7% | Reduced |
| Syon Capital LLC | 4,589 | $1.48M | 0.07% | +95+2.1% | Added |
| Diversify Wealth Management, LLC | 4,629 | $1.49M | 0.03% | +2,765+148.3% | Added |
| Waterfront Wealth Inc. | 4,650 | $1.50M | 0.28% | +895+23.8% | Added |
| Canandaigua National Corp | 4,659 | $1.50M | 0.13% | +4,659 | New |
| Argent Trust Co | 4,682 | $1.51M | 0.05% | +3,710+381.7% | Added |
| Quadrant Capital Group LLC | 4,705 | $1.52M | 0.05% | +247+5.5% | Added |
| We Are One Seven, LLC | 4,789 | $1.55M | 0.03% | +2,266+89.8% | Added |
| Plato Investment Management Ltd | 4,832 | $1.56M | 0.10% | +135+2.9% | Added |
| Sterling Capital Management LLC | 4,838 | $1.56M | 0.03% | −3,313−40.6% | Reduced |
| Tealwood Asset Management Inc | 4,867 | $1.57M | 0.71% | +86+1.8% | Added |
| Romano Brothers and Company | 4,882 | $1.58M | 0.18% | −25−0.5% | Reduced |
| Mesirow Financial Investment Management, Inc. | 4,897 | $1.58M | 0.03% | +6+0.1% | Added |
| Pragma Gestao de Patrimonio Ltd | 4,900 | $1.58M | 0.84% | +4,900 | New |
| Triumph Capital Management | 4,952 | $1.60M | 0.33% | +20.0% | Added |
| Ossiam | 4,984 | $1.61M | 0.03% | +731+17.2% | Added |
| Coldstream Capital Management Inc | 4,987 | $1.61M | 0.02% | −797−13.8% | Reduced |
| Cohen Klingenstein LLC | 5,000 | $1.61M | 0.05% | 00.0% | Unchanged |
| CAPROCK Group, Inc. | 5,041 | $1.63M | 0.04% | −1,795−26.3% | Reduced |
| NorthCrest Asset Manangement, LLC | 5,059 | $1.63M | 0.05% | −315−5.9% | Reduced |
| Snowden Capital Advisors LLC | 5,074 | $1.64M | 0.04% | −164−3.1% | Reduced |
| Concurrent Investment Advisors, LLC | 5,113 | $1.65M | 0.02% | +377+8.0% | Added |
| Welch Group, LLC | 5,148 | $1.66M | 0.06% | 00.0% | Unchanged |
| Caldwell Trust Co | 5,200 | $1.68M | 0.15% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 5,211 | $1.68M | 0.02% | −231−4.2% | Reduced |
| Bank of Nova Scotia Trust Co | 5,267 | $1.70M | 0.15% | +5,267 | New |
| TCW Group Inc | 5,384 | $1.74M | 0.01% | +1,316+32.4% | Added |
| Skopos Labs, Inc. | 5,474 | $1.77M | 0.06% | +807+17.3% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 5,526 | $1.78M | 0.12% | 00.0% | Unchanged |
| Brown Advisory Inc | 5,553 | $1.79M | 0.00% | −209−3.6% | Reduced |
| Meeder Advisory Services, Inc. | 5,601 | $1.81M | 0.08% | +927+19.8% | Added |
| Occudo Quantitative Strategies LP | 5,883 | $1.83M | 0.10% | +5,883 | New |
| Rothschild Investment LLC | 5,790 | $1.87M | 0.10% | +1,860+47.3% | Added |
| Warner Group LLC | 5,804 | $1.87M | 1.22% | −500−7.9% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 5,834 | $1.88M | 0.05% | −377−6.1% | Reduced |
| Securian Asset Management, Inc | 5,844 | $1.89M | 0.07% | 00.0% | Unchanged |
| Equitable Trust Co | 5,861 | $1.89M | 0.09% | +66+1.1% | Added |
| Beacon Pointe Advisors, LLC | 5,899 | $1.90M | 0.01% | +2,407+68.9% | Added |
| MUFG Securities Americas Inc. | 5,935 | $1.92M | 0.12% | +145+2.5% | Added |
| Anchor Capital Advisors LLC | 5,938 | $1.92M | 0.05% | −10−0.2% | Reduced |
| Gamco Investors, Inc. Et Al | 5,939 | $1.92M | 0.02% | +83+1.4% | Added |
| Oppenheimer & Co Inc | 5,955 | $1.92M | 0.02% | +3,158+112.9% | Added |
| EP Wealth Advisors, LLC | 5,995 | $1.94M | 0.01% | −19−0.3% | Reduced |
| K.J. Harrison & Partners Inc | 6,000 | $1.94M | 0.32% | +6,000 | New |
| Ashton Thomas Securities, LLC | 6,030 | $1.95M | 0.24% | +6,030 | New |
| Ancora Advisors, LLC | 6,052 | $1.95M | 0.04% | +71+1.2% | Added |
| North Dakota State Investment Board | 6,082 | $1.96M | 0.08% | −1,114−15.5% | Reduced |
| NewEdge Wealth, LLC | 6,123 | $1.98M | 0.02% | −10,684−63.6% | Reduced |
| QRG Capital Management, Inc. | 6,169 | $1.99M | 0.02% | +2,049+49.7% | Added |
| South Dakota Investment Council | 6,170 | $1.99M | 0.04% | 00.0% | Unchanged |
| Aire Advisors, LLC | 6,273 | $2.02M | 0.37% | +16+0.3% | Added |
| Nomura Holdings Inc | 6,317 | $2.04M | 0.02% | +907+16.8% | Added |
| Brighton Jones LLC | 6,329 | $2.04M | 0.05% | +6,329 | New |
| Personal Cfo Solutions, LLC | 6,331 | $2.04M | 0.29% | +1,394+28.2% | Added |
| Kentucky Retirement Systems | 24,855 | $2.08M | 0.16% | +11,672+88.5% | Added |
| Ninety One SA (PTY) Ltd | 6,550 | $2.11M | 0.09% | +6,550 | New |
| Ascent Group, LLC | 6,563 | $2.12M | 0.07% | −2,169−24.8% | Reduced |
| Catalyst Capital Advisors LLC | 6,577 | $2.12M | 0.04% | +72+1.1% | Added |
| Brown Brothers Harriman & Co | 6,577 | $2.12M | 0.01% | +947+16.8% | Added |
| First National Bank & Trust Co of Newtown | 6,658 | $2.15M | 0.46% | 00.0% | Unchanged |
| GWM Advisors LLC | 6,664 | $2.15M | 0.01% | −6,789−50.5% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 6,713 | $2.17M | 0.08% | +6,713 | New |
| Salvus Wealth Management, LLC | 6,717 | $2.17M | 1.26% | −57−0.8% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 6,769 | $2.18M | 0.01% | +6,769 | New |
| Lafayette Investments, Inc. | 6,800 | $2.19M | 0.44% | +130+1.9% | Added |
| ExodusPoint Capital Management, LP | 6,843 | $2.21M | 0.02% | +6,843 | New |