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 |
|---|---|---|---|---|---|
| Maryland State Retirement & Pension System | 10,467 | $3.69M | 0.08% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 10,448 | $3.69M | 0.01% | +921+9.7% | Added |
| Bessemer Group Inc | 10,343 | $3.65M | 0.01% | −1,739−14.4% | Reduced |
| Ostrum Asset Management | 10,275 | $3.63M | 0.17% | −2,424−19.1% | Reduced |
| HRT Financial LP | 10,041 | $3.54M | 0.01% | −95,902−90.5% | Reduced |
| Shufro Rose & Co LLC | – | $3.53M | 0.24% | – | New |
| Stanley-Laman Group, Ltd. | 9,969 | $3.52M | 0.45% | +369+3.8% | Added |
| Union Heritage Capital, LLC | 9,967 | $3.52M | 1.19% | 00.0% | Unchanged |
| Exencial Wealth Advisors, LLC | 9,960 | $3.51M | 0.11% | +619+6.6% | Added |
| New Mexico Educational Retirement Board | 9,945 | $3.51M | 0.10% | +200+2.1% | Added |
| First Foundation Advisors | 9,878 | $3.49M | 0.13% | −1,303−11.7% | Reduced |
| Capitolis Liquid Global Markets LLC | 9,750 | $3.44M | 0.02% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 9,738 | $3.44M | 0.11% | 00.0% | Unchanged |
| 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 |
| Larson Financial Group LLC | 9,584 | $3.38M | 0.11% | +34+0.4% | Added |
| Busey Wealth Management | 9,525 | $3.36M | 0.09% | −40−0.4% | Reduced |
| MV Capital Management, Inc. | 9,513 | $3.36M | 0.32% | +232+2.5% | Added |
| LBMC Investment Advisors, LLC | 9,391 | $3.31M | 0.20% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 9,366 | $3.31M | 0.01% | −239−2.5% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 9,127 | $3.22M | 0.01% | +143+1.6% | Added |
| MidWestOne Financial Group, Inc. | 9,103 | $3.21M | 0.36% | 00.0% | Unchanged |
| Jane Street Group, LLC | 9,036 | $3.19M | 0.00% | −193,713−95.5% | Reduced |
| MAI Capital Management | 9,032 | $3.19M | 0.02% | +228+2.6% | Added |
| Ascent Group, LLC | 8,732 | $3.08M | 0.11% | +290+3.4% | Added |
| Jump Financial, LLC | 8,697 | $3.07M | 0.04% | −989−10.2% | Reduced |
| Metis Global Partners, LLC | 8,639 | $3.05M | 0.07% | −1,543−15.2% | Reduced |
| Horizon Investments, LLC | 8,367 | $2.95M | 0.04% | +1,177+16.4% | Added |
| Burkett Asset Management Ltd | 8,359 | $2.95M | 2.98% | +8,359 | New |
| Tower Research Capital LLC (TRC) | 8,354 | $2.95M | 0.07% | +252+3.1% | Added |
| Agf Management Ltd | 8,282 | $2.92M | 0.01% | −570−6.4% | Reduced |
| FORA Capital, LLC | 8,197 | $2.90M | 0.35% | +8,197 | New |
| Sterling Capital Management LLC | 8,151 | $2.88M | 0.05% | −234−2.8% | Reduced |
| Merit Financial Group, LLC | 8,136 | $2.87M | 0.02% | +1,726+26.9% | Added |
| Gsa Capital Partners LLP | 8,007 | $2.83M | 0.24% | +5,115+176.9% | Added |
| Kampmann Melissa S. | 8,485 | $2.82M | 2.09% | −320−3.6% | Reduced |
| T. Rowe Price Investment Management, Inc. | 7,969 | $2.81M | 0.00% | +4,201+111.5% | Added |
| Verdence Capital Advisors LLC | 7,945 | $2.80M | 0.17% | −195−2.4% | Reduced |
| Vestmark Advisory Solutions, Inc. | 7,845 | $2.77M | 0.04% | −1,514−16.2% | Reduced |
| Machina Capital S.A.S. | 7,814 | $2.76M | 0.53% | −4,320−35.6% | Reduced |
| Cary Street Partners Financial LLC | 7,801 | $2.75M | 0.07% | −294−3.6% | Reduced |
| Tredje AP-fonden | 7,716 | $2.72M | 0.02% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 7,614 | $2.71M | 0.03% | −493−6.1% | Reduced |
| North Dakota State Investment Board | 7,196 | $2.54M | 0.09% | +7,196 | New |
| Beacon Financial Group | 7,186 | $2.54M | 0.25% | −5−0.1% | Reduced |
| Crossmark Global Holdings, Inc. | 7,143 | $2.52M | 0.04% | +2,248+45.9% | Added |
| Zions Bancorporation, National Association | 7,060 | $2.49M | 0.12% | +136+2.0% | Added |
| Portside Wealth Group, LLC | 7,051 | $2.49M | 0.34% | −1,898−21.2% | Reduced |
| VestGen Advisors, LLC | 7,014 | $2.48M | 0.11% | −1,942−21.7% | Reduced |
| Assenagon Asset Management S.A. | 6,893 | $2.43M | 0.00% | −251,761−97.3% | Reduced |
| CAPROCK Group, Inc. | 6,836 | $2.41M | 0.05% | +2,063+43.2% | Added |
| Keybank National Association | 6,823 | $2.41M | 0.01% | −481−6.6% | Reduced |
| Tokio Marine Asset Management Co Ltd | 6,817 | $2.41M | 0.08% | +158+2.4% | Added |
| Salvus Wealth Management, LLC | 6,774 | $2.39M | 1.34% | +190+2.9% | Added |
| Lafayette Investments, Inc. | 6,670 | $2.35M | 0.44% | +25+0.4% | Added |
| First National Bank & Trust Co of Newtown | 6,658 | $2.35M | 0.43% | 00.0% | Unchanged |
| Diversified Enterprises, LLC | 6,636 | $2.34M | 0.14% | +116+1.8% | Added |
| Axxcess Wealth Management, LLC | 6,580 | $2.32M | 0.04% | −10.0% | Reduced |
| Gabelli Funds LLC | 6,560 | $2.31M | 0.02% | −4,050−38.2% | Reduced |
| Edgestream Partners, L.P. | 6,526 | $2.30M | 0.06% | +5,344+452.1% | Added |
| Catalyst Capital Advisors LLC | 6,505 | $2.30M | 0.05% | +2,571+65.4% | Added |
| Capital Group Investment Management Pte. Ltd. | 6,439 | $2.27M | 0.37% | −2,246−25.9% | Reduced |
| Crestwood Advisors Group LLC | 6,429 | $2.27M | 0.04% | +178+2.8% | Added |
| Legacy Wealth Asset Management, LLC | 6,420 | $2.27M | 0.56% | −579−8.3% | Reduced |
| Private Advisor Group, LLC | 6,336 | $2.24M | 0.01% | −113−1.8% | Reduced |
| Warner Group LLC | 6,304 | $2.22M | 1.37% | −261−4.0% | Reduced |
| Aire Advisors, LLC | 6,257 | $2.21M | 0.40% | +13+0.2% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 6,211 | $2.19M | 0.06% | −1,100−15.0% | Reduced |
| South Dakota Investment Council | 6,170 | $2.18M | 0.04% | −400−6.1% | Reduced |
| WBI Investments | 6,108 | $2.16M | 0.56% | +6,108 | New |
| EP Wealth Advisors, LLC | 6,014 | $2.12M | 0.01% | +6,014 | New |
| Ancora Advisors, LLC | 5,981 | $2.11M | 0.04% | −59−1.0% | Reduced |
| Anchor Capital Advisors LLC | 5,948 | $2.10M | 0.06% | −207−3.4% | Reduced |
| Gamco Investors, Inc. Et Al | 5,856 | $2.07M | 0.02% | +28+0.5% | Added |
| Securian Asset Management, Inc | 5,844 | $2.06M | 0.08% | −4,681−44.5% | Reduced |
| HB Wealth Management, LLC | 5,839 | $2.06M | 0.01% | −1,439−19.8% | Reduced |
| Equitable Trust Co | 5,795 | $2.04M | 0.09% | −726−11.1% | Reduced |
| MUFG Securities Americas Inc. | 5,790 | $2.04M | 0.13% | −25−0.4% | Reduced |
| Coldstream Capital Management Inc | 5,784 | $2.04M | 0.03% | −435−7.0% | Reduced |
| Virtus Investment Advisers, Inc. | 5,780 | $2.04M | 0.55% | +818+16.5% | Added |
| Brown Advisory Inc | 5,762 | $2.03M | 0.00% | −189−3.2% | Reduced |
| Squarepoint Ops LLC | 5,728 | $2.02M | 0.00% | −92,468−94.2% | Reduced |
| WoodTrust Financial Corp | 5,705 | $2.01M | 0.24% | −380−6.2% | Reduced |
| Virtu Financial LLC | 5,666 | $2.00M | 0.08% | +1,427+33.7% | Added |
| Brown Brothers Harriman & Co | 5,630 | $1.99M | 0.01% | +1,013+21.9% | Added |
| HighPoint Advisor Group LLC | 5,618 | $1.98M | 0.04% | +1,403+33.3% | Added |
| Quantitative Investment Management, LLC | 5,562 | $1.96M | 0.19% | +5,562 | New |
| Kentucky Retirement Systems Insurance Trust Fund | 5,526 | $1.95M | 0.13% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 5,442 | $1.92M | 0.02% | −1,054−16.2% | Reduced |
| Everence Capital Management Inc | 5,433 | $1.92M | 0.11% | −422−7.2% | Reduced |
| Nomura Holdings Inc | 5,410 | $1.91M | 0.01% | −1,457−21.2% | Reduced |
| NorthCrest Asset Manangement, LLC | 5,374 | $1.89M | 0.04% | −87−1.6% | Reduced |
| Jones Financial Companies LLLP | 5,271 | $1.86M | 0.00% | +491+10.3% | Added |
| Snowden Capital Advisors LLC | 5,238 | $1.85M | 0.05% | +630+13.7% | Added |
| Caldwell Trust Co | 5,200 | $1.83M | 0.16% | −510−8.9% | Reduced |
| Welch Group, LLC | 5,148 | $1.82M | 0.07% | +18+0.4% | Added |
| Vident Advisory, LLC | 5,017 | $1.77M | 0.02% | −304−5.7% | Reduced |
| Cohen Klingenstein LLC | 5,000 | $1.76M | 0.05% | 00.0% | Unchanged |
| Fischer Financial Services, Inc. | 4,963 | $1.75M | 0.46% | −224−4.3% | Reduced |
| Triumph Capital Management | 4,950 | $1.75M | 0.38% | +10.0% | Added |