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, Q2 2025
Institutional positions in Aon plc as of Jun 30, 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
- 1,233
- −27 vs. Q1 2025
- Shares held
- 194.2M
- +975.4K (+0.5%) vs. Q1 2025
- Total value
- $69.3B
- −$7.65B (−9.9%) vs. Q1 2025
- New holders
- 108
- 432 more added
- Sold out
- 135
- 470 more reduced
16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Longview Partners (Guernsey) LTD | 1,307,961 | $466.6M | 4.02% | −73,380−5.3% | Reduced |
| Bank of America Corp | 1,423,988 | $508.0M | 0.04% | −445,791−23.8% | Reduced |
| FMR LLC | 1,457,728 | $520.1M | 0.03% | +545,547+59.8% | Added |
| Independent Franchise Partners LLP | 1,480,916 | $528.3M | 3.51% | −102,305−6.5% | Reduced |
| Boston Partners | 1,481,152 | $528.8M | 0.59% | −640,455−30.2% | Reduced |
| UBS Asset Management Americas Inc | 1,542,969 | $550.5M | 0.11% | +172,446+12.6% | Added |
| Diamond Hill Capital Management Inc | 1,574,511 | $561.7M | 2.58% | +361,912+29.8% | Added |
| Capital International Investors | 1,703,080 | $607.3M | 0.10% | +21,501+1.3% | Added |
| Veritas Asset Management LLP | 1,720,988 | $614.0M | 6.14% | −118,709−6.5% | Reduced |
| Lazard Asset Management LLC | 1,822,886 | $650.3M | 0.89% | −418,069−18.7% | Reduced |
| Sustainable Growth Advisers, LP | 1,847,140 | $659.0M | 3.40% | +254,178+16.0% | Added |
| Farallon Capital Management, L.L.C. | 1,986,417 | $708.7M | 3.23% | +624,673+45.9% | Added |
| WCM Investment Management, LLC | 2,040,243 | $719.7M | 1.64% | −11,573−0.6% | Reduced |
| Neuberger Berman Group LLC | 2,080,814 | $742.3M | 0.57% | −55,293−2.6% | Reduced |
| Norges Bank | 2,115,346 | $754.7M | 0.09% | +449,398+27.0% | Added |
| Artisan Partners Limited Partnership | 2,176,045 | $776.3M | 1.16% | +40,213+1.9% | Added |
| Northern Trust Corp | 2,268,683 | $809.4M | 0.11% | −21,936−1.0% | Reduced |
| Eagle Capital Management LLC | 2,284,259 | $814.9M | 2.69% | −339,230−12.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,706,904 | $965.7M | 0.77% | +316,333+13.2% | Added |
| Polen Capital Management LLC | 2,745,627 | $979.5M | 3.01% | −262,092−8.7% | Reduced |
| Mawer Investment Management Ltd. | 2,971,533 | $1.06B | 5.38% | −302,041−9.2% | Reduced |
| Bank of New York Mellon Corp | 3,507,656 | $1.25B | 0.24% | +473,594+15.6% | Added |
| Berkshire Hathaway IncSuperinvestorBerkshire Hathaway | 4,100,000 | $1.46B | 0.57% | 00.0% | Unchanged |
| HPS Investment Partners, LLC | 4,243,321 | $1.51B | 99.49% | −96,438−2.2% | Reduced |
| JPMorgan Chase & Co | 4,699,602 | $1.68B | 0.12% | −956,721−16.9% | Reduced |
| Geode Capital Management, LLC | 5,588,279 | $1.99B | 0.14% | +173,722+3.2% | Added |
| Massachusetts Financial Services Co | 8,952,011 | $3.19B | 1.01% | −880,316−9.0% | Reduced |
| State Street Corp | 9,124,310 | $3.26B | 0.12% | −49,478−0.5% | Reduced |
| Morgan Stanley | 9,467,412 | $3.38B | 0.22% | +741,108+8.5% | Added |
| Capital World Investors | 12,144,237 | $4.33B | 0.63% | +46,660+0.4% | Added |
| BlackRock, Inc. | 15,930,760 | $5.68B | 0.11% | +831,475+5.5% | Added |
| Vanguard Group Inc | 20,289,743 | $7.24B | 0.12% | +511,292+2.6% | Added |
| Vestor Capital, LLC | 18,146 | – | – | +16,387+931.6% | Added |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −428,842−100.0% | Sold out |
| Junto Capital Management LP | 0 | $0 | 0.00% | −188,993−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −164,087−100.0% | Sold out |
| Oribel Capital Management, LP | 0 | $0 | 0.00% | −90,100−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −90,070−100.0% | Sold out |
| Clark Capital Management Group, Inc. | 0 | $0 | 0.00% | −71,746−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −68,136−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −64,719−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −52,410−100.0% | Sold out |
| Banque Pictet & Cie SA | 0 | $0 | 0.00% | −42,023−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −35,101−100.0% | Sold out |
| Philadelphia Financial Management of San Francisco, LLC | 0 | $0 | 0.00% | −27,289−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −26,994−100.0% | Sold out |
| Nissay Asset Management Corp | 0 | $0 | 0.00% | −24,403−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −22,926−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −19,222−100.0% | Sold out |
| Caisse de Depot Et Placement du Quebec | 0 | $0 | 0.00% | −17,743−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −15,211−100.0% | Sold out |
| Aware Super Pty Ltd as trustee of Aware Super | 0 | $0 | 0.00% | −10,672−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −10,104−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −8,809−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −8,003−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −7,963−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −7,768−100.0% | Sold out |
| Allstate Corp | 0 | $0 | 0.00% | −6,856−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −6,559−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −5,536−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −5,527−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −5,514−100.0% | Sold out |
| Lecap Asset Management Ltd | 0 | $0 | 0.00% | −5,194−100.0% | Sold out |
| United Services Automobile Association | 0 | $0 | 0.00% | −5,134−100.0% | Sold out |
| Kraft, Davis & Associates, LLC | 0 | $0 | 0.00% | −5,327−100.0% | Sold out |
| Bellwether Advisors, LLC | 0 | $0 | 0.00% | −4,494−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −4,425−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −4,055−100.0% | Sold out |
| Virtus Investment Advisers, Inc. | 0 | $0 | 0.00% | −3,826−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −3,598−100.0% | Sold out |
| Alaska Permanent Fund Corp | 0 | $0 | 0.00% | −3,959−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −3,230−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −3,008−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −2,976−100.0% | Sold out |
| Secured Retirement Advisors, LLC | 0 | $0 | 0.00% | −2,622−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −2,230−100.0% | Sold out |
| Atria Wealth Solutions, Inc. | 0 | $0 | 0.00% | −2,202−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −2,176−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −2,043−100.0% | Sold out |
| Silver Lake Advisory, LLC | 0 | $0 | 0.00% | −1,622−100.0% | Sold out |
| 111 Capital | 0 | $0 | 0.00% | −1,458−100.0% | Sold out |
| Simon Quick Advisors, LLC | 0 | $0 | 0.00% | −1,425−100.0% | Sold out |
| Sig Brokerage, LP | 0 | $0 | 0.00% | −1,385−100.0% | Sold out |
| Harel Insurance Investments & Financial Services Ltd. | 0 | $0 | 0.00% | −1,206−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −1,166−100.0% | Sold out |
| New World Advisors LLC | 0 | $0 | 0.00% | −1,135−100.0% | Sold out |
| Thoroughbred Financial Services, LLC | 0 | $0 | 0.00% | −1,135−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −1,129−100.0% | Sold out |
| Pinnacle Wealth Planning Services, Inc. | 0 | $0 | 0.00% | −1,057−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −999−100.0% | Sold out |
| Cooper Financial Group | 0 | $0 | 0.00% | −945−100.0% | Sold out |
| Board of the Pension Protection Fund | 0 | $0 | 0.00% | −900−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −809−100.0% | Sold out |
| Leith Wheeler Investment Counsel Ltd. | 0 | $0 | 0.00% | −788−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −768−100.0% | Sold out |
| Goodman Advisory Group, LLC | 0 | $0 | 0.00% | −736−100.0% | Sold out |
| NovaPoint Capital, LLC | 0 | $0 | 0.00% | −685−100.0% | Sold out |
| Baker Avenue Asset Management, LP | 0 | $0 | 0.00% | −663−100.0% | Sold out |
| Keudell/Morrison Wealth Management | 0 | $0 | 0.00% | −658−100.0% | Sold out |
| Essex LLC | 0 | $0 | 0.00% | −658−100.0% | Sold out |