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 |
|---|---|---|---|---|---|
| Janney Montgomery Scott LLC | 11,456 | $4.04M | 0.01% | −100−0.9% | Reduced |
| Regions Financial Corp | 11,500 | $4.06M | 0.03% | −178−1.5% | Reduced |
| Laird Norton Trust Company, LLC | 11,516 | $4.06M | 0.08% | +11,516 | New |
| Capital Planning Advisors, LLC | 11,616 | $4.10M | 0.55% | −747−6.0% | Reduced |
| Ar Asset Management Inc | 11,618 | $4.10M | 0.84% | 00.0% | Unchanged |
| Accurate Wealth Management, LLC | 11,825 | $4.15M | 0.53% | −317−2.6% | Reduced |
| Norinchukin Bank, The | 12,097 | $4.27M | 0.05% | +534+4.6% | Added |
| Wiley Bros.-Aintree Capital, LLC | 12,118 | $4.28M | 0.02% | +719+6.3% | Added |
| Regency Capital Management Inc. | 12,201 | $4.31M | 1.79% | −661−5.1% | Reduced |
| Buckhead Capital Management LLC | 12,309 | $4.34M | 1.56% | +158+1.3% | Added |
| 2Xideas AG | 12,371 | $4.37M | 1.22% | +12,371 | New |
| Annandale Capital, LLC | 12,619 | $4.45M | 0.72% | +7,198+132.8% | Added |
| Scotia Capital Inc. | 12,633 | $4.46M | 0.02% | +3,068+32.1% | Added |
| Allspring Global Investments Holdings, LLC | 13,046 | $4.49M | 0.01% | +114+0.9% | Added |
| Yacktman Asset Management LP | 12,915 | $4.56M | 0.06% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 13,069 | $4.61M | 0.00% | −4,429−25.3% | Reduced |
| Kentucky Retirement Systems | 13,183 | $4.65M | 0.13% | 00.0% | Unchanged |
| Diversified Trust Co | 13,186 | $4.65M | 0.09% | +500+3.9% | Added |
| Modera Wealth Management, LLC | 13,265 | $4.68M | 0.05% | +137+1.0% | Added |
| Osmosis Investment Management UK Ltd | 13,309 | $4.70M | 0.12% | +13,309 | New |
| Assetmark, Inc | 13,321 | $4.70M | 0.01% | +696+5.5% | Added |
| Bridgewater Associates, LP | 13,368 | $4.72M | 0.02% | +7,663+134.3% | Added |
| Jasper Ridge Partners, L.P. | 13,390 | $4.73M | 0.10% | 00.0% | Unchanged |
| GWM Advisors LLC | 13,453 | $4.75M | 0.02% | −1,166−8.0% | Reduced |
| MML Investors Services, LLC | 13,486 | $4.76M | 0.01% | +344+2.6% | Added |
| Federation des caisses Desjardins du Quebec | 13,591 | $4.80M | 0.02% | +612+4.7% | Added |
| Pittenger & Anderson Inc | 13,897 | $4.90M | 0.19% | +82+0.6% | Added |
| CWM, LLC | 13,931 | $4.92M | 0.01% | +2,471+21.6% | Added |
| Atria Investments LLC | 13,981 | $4.93M | 0.06% | −2,260−13.9% | Reduced |
| Wealthfront Advisers LLC | 14,410 | $5.09M | 0.01% | +1,027+7.7% | Added |
| Illinois Municipal Retirement Fund | 14,712 | $5.19M | 0.07% | +1,231+9.1% | Added |
| Sequoia Financial Advisors, LLC | 15,202 | $5.36M | 0.03% | +2,043+15.5% | Added |
| Allstate Corp | 15,636 | $5.52M | 0.08% | +8,008+105.0% | Added |
| Mizuho Securities USA LLC | 15,650 | $5.54M | 0.09% | −55−0.4% | Reduced |
| Sanctuary Advisors, LLC | 15,753 | $5.56M | 0.03% | −145−0.9% | Reduced |
| Cresset Asset Management, LLC | 15,774 | $5.57M | 0.02% | −603−3.7% | Reduced |
| Man Group plc | 15,821 | $5.58M | 0.01% | +9,165+137.7% | Added |
| Pine Valley Investments Ltd Liability Co | 15,825 | $5.58M | 0.28% | +619+4.1% | Added |
| Wesbanco Bank Inc | 16,030 | $5.66M | 0.16% | +1,373+9.4% | Added |
| Bell Asset Management Ltd | 15,941 | $5.67M | 1.51% | −3,134−16.4% | Reduced |
| Obion Capital Management LP | 16,189 | $5.71M | 5.49% | +16,189 | New |
| Biltmore Family Office, LLC | 16,562 | $5.84M | 0.81% | +13+0.1% | Added |
| Berman McAleer LLC | 16,613 | $5.86M | 0.80% | −1,516−8.4% | Reduced |
| NewEdge Wealth, LLC | 16,807 | $5.93M | 0.07% | +8,810+110.2% | Added |
| Mercer Global Advisors Inc | 16,870 | $5.95M | 0.01% | +3,847+29.5% | Added |
| Teachers Retirement System of the State of Kentucky | 16,947 | $5.98M | 0.04% | 00.0% | Unchanged |
| Johnson Investment Counsel Inc | 17,348 | $6.12M | 0.05% | −73−0.4% | Reduced |
| Investment Management Corp of Ontario | 17,372 | $6.13M | 0.08% | +7,776+81.0% | Added |
| Janney Capital Management LLC | 17,461 | $6.16M | 0.39% | +17,461 | New |
| Dockside LLC | 17,873 | $6.31M | 1.62% | +17,873 | New |
| Commerce Bank | 18,434 | $6.50M | 0.04% | −364−1.9% | Reduced |
| Voleon Capital Management LP | 18,510 | $6.53M | 0.14% | +14,858+406.8% | Added |
| Empowered Funds, LLC | 18,604 | $6.56M | 0.11% | +7,984+75.2% | Added |
| Savant Capital, LLC | 18,799 | $6.63M | 0.04% | +7,240+62.6% | Added |
| Kestra Advisory Services, LLC | 18,946 | $6.69M | 0.03% | −1,057−5.3% | Reduced |
| Avanza Fonder AB | 18,957 | $6.69M | 0.17% | +1,825+10.7% | Added |
| Vinva Investment Management Ltd | 19,096 | $6.81M | 0.08% | +8,399+78.5% | Added |
| Two Sigma Investments, LP | 19,497 | $6.88M | 0.01% | −76,186−79.6% | Reduced |
| Pacer Advisors, Inc. | 19,504 | $6.88M | 0.02% | +2,140+12.3% | Added |
| Gerber, LLC | 19,553 | $6.90M | 3.85% | −900−4.4% | Reduced |
| Bleakley Financial Group, LLC | 19,665 | $6.94M | 0.12% | +1,024+5.5% | Added |
| Marks Group Wealth Management, Inc | 19,674 | $6.94M | 0.66% | −5,097−20.6% | Reduced |
| KWMG, LLC | 19,709 | $6.95M | 0.60% | +720+3.8% | Added |
| Trexquant Investment LP | 19,816 | $6.99M | 0.06% | −9,305−32.0% | Reduced |
| Motley Fool Wealth Management, LLC | 19,857 | $7.01M | 0.54% | −3,555−15.2% | Reduced |
| ASR Vermogensbeheer N.V. | 20,004 | $7.06M | 0.08% | +205+1.0% | Added |
| Nordea Investment Management AB | 19,985 | $7.10M | 0.01% | +770+4.0% | Added |
| Prudential PLC | 20,800 | $7.34M | 0.06% | 00.0% | Unchanged |
| Truist Financial Corp | 21,013 | $7.41M | 0.01% | +1,291+6.5% | Added |
| Fiduciary Group LLC | 21,422 | $7.56M | 0.63% | −207−1.0% | Reduced |
| Violich Capital Management, Inc. | 21,608 | $7.63M | 0.85% | +600+2.9% | Added |
| CIBC Private Wealth Group, LLC | 21,767 | $7.68M | 0.01% | −1,163−5.1% | Reduced |
| Haverford Financial Services, Inc. | 22,017 | $7.77M | 2.18% | −258−1.2% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 22,301 | $7.87M | 0.01% | +18+0.1% | Added |
| Canada Pension Plan Investment Board | 22,347 | $7.89M | 0.01% | −6,032−21.3% | Reduced |
| Dash Acquisitions Inc. | 22,555 | $7.90M | 1.65% | −1,020−4.3% | Reduced |
| Carderock Capital Management Inc | 22,438 | $7.92M | 1.92% | +797+3.7% | Added |
| Strategy Asset Managers LLC | 22,512 | $7.94M | 1.31% | +3,175+16.4% | Added |
| Live Oak Private Wealth LLC | 22,563 | $7.96M | 1.08% | +421+1.9% | Added |
| Wedge Capital Management L L P | 22,809 | $8.05M | 0.14% | −5,508−19.5% | Reduced |
| Mutual of America Capital Management LLC | 23,081 | $8.14M | 0.09% | −293−1.3% | Reduced |
| Silvercrest Asset Management Group LLC | 23,098 | $8.15M | 0.06% | −6,967−23.2% | Reduced |
| Callan Family Office, LLC | 23,152 | $8.17M | 0.18% | +11,477+98.3% | Added |
| Intermede Investment Partners Ltd | 23,160 | $8.17M | 0.34% | +101+0.4% | Added |
| Advisor Group Holdings, Inc. | 23,470 | $8.28M | 0.01% | −6,424−21.5% | Reduced |
| O'Shaughnessy Asset Management, LLC | 23,779 | $8.39M | 0.05% | −3,132−11.6% | Reduced |
| Ethic Inc. | 24,067 | $8.49M | 0.13% | +1,487+6.6% | Added |
| Swiss Life Asset Management Ltd | 24,203 | $8.54M | 0.04% | −14,246−37.1% | Reduced |
| Clifford Swan Investment Counsel LLC | 24,291 | $8.57M | 0.28% | +395+1.7% | Added |
| Old National Bancorp | 24,300 | $8.57M | 0.14% | +3,339+15.9% | Added |
| Fifth Third Bancorp | 24,313 | $8.58M | 0.03% | −672−2.7% | Reduced |
| Janus Henderson Group PLC | 24,351 | $8.59M | 0.00% | −290,240−92.3% | Reduced |
| YHB Investment Advisors, Inc. | 24,535 | $8.66M | 0.60% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 24,595 | $8.68M | 0.11% | −100−0.4% | Reduced |
| Citizens Financial Group Inc | 24,633 | $8.69M | 0.12% | −1,151−4.5% | Reduced |
| Susquehanna Fundamental Investments, LLC | 24,892 | $8.78M | 0.30% | +10,429+72.1% | Added |
| Mediolanum International Funds Ltd | 24,700 | $8.81M | 0.09% | +9,556+63.1% | Added |
| Yousif Capital Management, LLC | 26,370 | $8.95M | 0.10% | −1,506−5.4% | Reduced |
| First Manhattan Co | 25,456 | $8.98M | 0.02% | −1,326−5.0% | Reduced |
| Commonwealth Equity Services, LLC | 25,768 | $9.09M | 0.01% | −138−0.5% | Reduced |