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, Q4 2025
Institutional positions in Aon plc as of Dec 31, 2025. 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
- 1,289
- +57 vs. Q3 2025
- Shares held
- 189.1M
- +3.31M (+1.8%) vs. Q3 2025
- Total value
- $66.7B
- +$447.9M (+0.7%) vs. Q3 2025
- New holders
- 156
- 425 more added
- Sold out
- 99
- 478 more reduced
23 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Resources Investment Advisors, LLC. | 5,442 | $1.92M | 0.02% | −1,054−16.2% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 5,526 | $1.95M | 0.13% | 00.0% | Unchanged |
| Quantitative Investment Management, LLC | 5,562 | $1.96M | 0.19% | +5,562 | New |
| HighPoint Advisor Group LLC | 5,618 | $1.98M | 0.04% | +1,403+33.3% | Added |
| Brown Brothers Harriman & Co | 5,630 | $1.99M | 0.01% | +1,013+21.9% | Added |
| Virtu Financial LLC | 5,666 | $2.00M | 0.08% | +1,427+33.7% | Added |
| WoodTrust Financial Corp | 5,705 | $2.01M | 0.24% | −380−6.2% | Reduced |
| Squarepoint Ops LLC | 5,728 | $2.02M | 0.00% | −92,468−94.2% | Reduced |
| Brown Advisory Inc | 5,762 | $2.03M | 0.00% | −189−3.2% | Reduced |
| Virtus Investment Advisers, Inc. | 5,780 | $2.04M | 0.55% | +818+16.5% | Added |
| Coldstream Capital Management Inc | 5,784 | $2.04M | 0.03% | −435−7.0% | Reduced |
| MUFG Securities Americas Inc. | 5,790 | $2.04M | 0.13% | −25−0.4% | Reduced |
| Equitable Trust Co | 5,795 | $2.04M | 0.09% | −726−11.1% | Reduced |
| HB Wealth Management, LLC | 5,839 | $2.06M | 0.01% | −1,439−19.8% | Reduced |
| Securian Asset Management, Inc | 5,844 | $2.06M | 0.08% | −4,681−44.5% | Reduced |
| Gamco Investors, Inc. Et Al | 5,856 | $2.07M | 0.02% | +28+0.5% | Added |
| Anchor Capital Advisors LLC | 5,948 | $2.10M | 0.06% | −207−3.4% | Reduced |
| Ancora Advisors, LLC | 5,981 | $2.11M | 0.04% | −59−1.0% | Reduced |
| EP Wealth Advisors, LLC | 6,014 | $2.12M | 0.01% | +6,014 | New |
| WBI Investments | 6,108 | $2.16M | 0.56% | +6,108 | New |
| South Dakota Investment Council | 6,170 | $2.18M | 0.04% | −400−6.1% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 6,211 | $2.19M | 0.06% | −1,100−15.0% | Reduced |
| Aire Advisors, LLC | 6,257 | $2.21M | 0.40% | +13+0.2% | Added |
| Warner Group LLC | 6,304 | $2.22M | 1.37% | −261−4.0% | Reduced |
| Private Advisor Group, LLC | 6,336 | $2.24M | 0.01% | −113−1.8% | Reduced |
| Legacy Wealth Asset Management, LLC | 6,420 | $2.27M | 0.56% | −579−8.3% | Reduced |
| Crestwood Advisors Group LLC | 6,429 | $2.27M | 0.04% | +178+2.8% | Added |
| Capital Group Investment Management Pte. Ltd. | 6,439 | $2.27M | 0.37% | −2,246−25.9% | Reduced |
| Catalyst Capital Advisors LLC | 6,505 | $2.30M | 0.05% | +2,571+65.4% | Added |
| Edgestream Partners, L.P. | 6,526 | $2.30M | 0.06% | +5,344+452.1% | Added |
| Gabelli Funds LLC | 6,560 | $2.31M | 0.02% | −4,050−38.2% | Reduced |
| Axxcess Wealth Management, LLC | 6,580 | $2.32M | 0.04% | −10.0% | Reduced |
| Diversified Enterprises, LLC | 6,636 | $2.34M | 0.14% | +116+1.8% | Added |
| First National Bank & Trust Co of Newtown | 6,658 | $2.35M | 0.43% | 00.0% | Unchanged |
| Lafayette Investments, Inc. | 6,670 | $2.35M | 0.44% | +25+0.4% | Added |
| Salvus Wealth Management, LLC | 6,774 | $2.39M | 1.34% | +190+2.9% | Added |
| Tokio Marine Asset Management Co Ltd | 6,817 | $2.41M | 0.08% | +158+2.4% | Added |
| Keybank National Association | 6,823 | $2.41M | 0.01% | −481−6.6% | Reduced |
| CAPROCK Group, Inc. | 6,836 | $2.41M | 0.05% | +2,063+43.2% | Added |
| Assenagon Asset Management S.A. | 6,893 | $2.43M | 0.00% | −251,761−97.3% | Reduced |
| VestGen Advisors, LLC | 7,014 | $2.48M | 0.11% | −1,942−21.7% | Reduced |
| Portside Wealth Group, LLC | 7,051 | $2.49M | 0.34% | −1,898−21.2% | Reduced |
| Zions Bancorporation, National Association | 7,060 | $2.49M | 0.12% | +136+2.0% | Added |
| Crossmark Global Holdings, Inc. | 7,143 | $2.52M | 0.04% | +2,248+45.9% | Added |
| Beacon Financial Group | 7,186 | $2.54M | 0.25% | −5−0.1% | Reduced |
| North Dakota State Investment Board | 7,196 | $2.54M | 0.09% | +7,196 | New |
| RSM US Wealth Management LLC | 7,614 | $2.71M | 0.03% | −493−6.1% | Reduced |
| Tredje AP-fonden | 7,716 | $2.72M | 0.02% | 00.0% | Unchanged |
| Cary Street Partners Financial LLC | 7,801 | $2.75M | 0.07% | −294−3.6% | Reduced |
| Machina Capital S.A.S. | 7,814 | $2.76M | 0.53% | −4,320−35.6% | Reduced |
| Vestmark Advisory Solutions, Inc. | 7,845 | $2.77M | 0.04% | −1,514−16.2% | Reduced |
| Verdence Capital Advisors LLC | 7,945 | $2.80M | 0.17% | −195−2.4% | Reduced |
| T. Rowe Price Investment Management, Inc. | 7,969 | $2.81M | 0.00% | +4,201+111.5% | Added |
| Kampmann Melissa S. | 8,485 | $2.82M | 2.09% | −320−3.6% | Reduced |
| Gsa Capital Partners LLP | 8,007 | $2.83M | 0.24% | +5,115+176.9% | Added |
| Merit Financial Group, LLC | 8,136 | $2.87M | 0.02% | +1,726+26.9% | Added |
| Sterling Capital Management LLC | 8,151 | $2.88M | 0.05% | −234−2.8% | Reduced |
| FORA Capital, LLC | 8,197 | $2.90M | 0.35% | +8,197 | New |
| Agf Management Ltd | 8,282 | $2.92M | 0.01% | −570−6.4% | Reduced |
| Tower Research Capital LLC (TRC) | 8,354 | $2.95M | 0.07% | +252+3.1% | Added |
| Burkett Asset Management Ltd | 8,359 | $2.95M | 2.98% | +8,359 | New |
| Horizon Investments, LLC | 8,367 | $2.95M | 0.04% | +1,177+16.4% | Added |
| Metis Global Partners, LLC | 8,639 | $3.05M | 0.07% | −1,543−15.2% | Reduced |
| Jump Financial, LLC | 8,697 | $3.07M | 0.04% | −989−10.2% | Reduced |
| Ascent Group, LLC | 8,732 | $3.08M | 0.11% | +290+3.4% | Added |
| MAI Capital Management | 9,032 | $3.19M | 0.02% | +228+2.6% | Added |
| Jane Street Group, LLC | 9,036 | $3.19M | 0.00% | −193,713−95.5% | Reduced |
| MidWestOne Financial Group, Inc. | 9,103 | $3.21M | 0.36% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 9,127 | $3.22M | 0.01% | +143+1.6% | Added |
| Thrivent Financial for Lutherans | 9,366 | $3.31M | 0.01% | −239−2.5% | Reduced |
| LBMC Investment Advisors, LLC | 9,391 | $3.31M | 0.20% | 00.0% | Unchanged |
| MV Capital Management, Inc. | 9,513 | $3.36M | 0.32% | +232+2.5% | Added |
| Busey Wealth Management | 9,525 | $3.36M | 0.09% | −40−0.4% | Reduced |
| Larson Financial Group LLC | 9,584 | $3.38M | 0.11% | +34+0.4% | Added |
| Cumberland Partners Ltd | 9,730 | $3.43M | 0.21% | −150−1.5% | Reduced |
| Anderson Hoagland & Co | 9,730 | $3.43M | 0.30% | −132−1.3% | Reduced |
| Gulf International Bank (UK) Ltd | 9,738 | $3.44M | 0.11% | 00.0% | Unchanged |
| Capitolis Liquid Global Markets LLC | 9,750 | $3.44M | 0.02% | 00.0% | Unchanged |
| First Foundation Advisors | 9,878 | $3.49M | 0.13% | −1,303−11.7% | Reduced |
| New Mexico Educational Retirement Board | 9,945 | $3.51M | 0.10% | +200+2.1% | Added |
| Exencial Wealth Advisors, LLC | 9,960 | $3.51M | 0.11% | +619+6.6% | Added |
| Union Heritage Capital, LLC | 9,967 | $3.52M | 1.19% | 00.0% | Unchanged |
| Stanley-Laman Group, Ltd. | 9,969 | $3.52M | 0.45% | +369+3.8% | Added |
| Shufro Rose & Co LLC | – | $3.53M | 0.24% | – | New |
| HRT Financial LP | 10,041 | $3.54M | 0.01% | −95,902−90.5% | Reduced |
| Ostrum Asset Management | 10,275 | $3.63M | 0.17% | −2,424−19.1% | Reduced |
| Bessemer Group Inc | 10,343 | $3.65M | 0.01% | −1,739−14.4% | Reduced |
| Rockefeller Capital Management L.P. | 10,448 | $3.69M | 0.01% | +921+9.7% | Added |
| Maryland State Retirement & Pension System | 10,467 | $3.69M | 0.08% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 10,538 | $3.72M | 0.05% | +319+3.1% | Added |
| Jensen Investment Management Inc | 10,603 | $3.74M | 0.06% | +503+5.0% | Added |
| Radnor Capital Management, LLC | 10,632 | $3.75M | 0.56% | −30−0.3% | Reduced |
| Miller Capital Partners, Inc. | 10,833 | $3.82M | 1.95% | +10,833 | New |
| Lido Advisors, LLC | 10,868 | $3.86M | 0.02% | +148+1.4% | Added |
| Louisiana State Employees Retirement System | 11,000 | $3.88M | 0.07% | −300−2.7% | Reduced |
| Seascape Capital Management | 11,030 | $3.89M | 1.11% | +34+0.3% | Added |
| Pure Financial Advisors, Inc. | 11,272 | $3.98M | 0.06% | +638+6.0% | Added |
| NFP Retirement, Inc. | 11,287 | $3.98M | 0.24% | +50.0% | Added |
| La Banque Postale Asset Management SA | 11,290 | $3.98M | 0.05% | −3,862−25.5% | Reduced |
| Employees Retirement System of Texas | 11,301 | $3.99M | 0.03% | −8,873−44.0% | Reduced |