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 2023
Institutional positions in Aon plc as of Mar 31, 2023. 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
- 1,014
- −2 vs. Q4 2022
- Shares held
- 176.8M
- +1.64M (+0.9%) vs. Q4 2022
- Total value
- $55.7B
- +$3.18B (+6.1%) vs. Q4 2022
- New holders
- 77
- 341 more added
- Sold out
- 79
- 403 more reduced
18 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 | 1,265 | $60.6B |
| Q4 2025 | 1,288 | $66.7B |
| Q3 2025 | 1,254 | $66.3B |
| Q2 2025 | 1,232 | $69.3B |
| Q1 2025 | 1,275 | $77.1B |
| Q4 2024 | 1,195 | $69.1B |
| Q3 2024 | 1,148 | $66.1B |
| Q2 2024 | 1,110 | $55.4B |
| Q1 2024 | 1,086 | $57.4B |
| Q4 2023 | 1,066 | $49.8B |
| Q3 2023 | 1,048 | $56.4B |
| Q2 2023 | 1,024 | $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 2023
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 17,785,704 | $5.61B | 0.14% | −225,735−1.3% | Reduced |
| Massachusetts Financial Services Co | 15,526,841 | $4.90B | 1.68% | −169,495−1.1% | Reduced |
| BlackRock Inc. | 13,947,244 | $4.40B | 0.13% | +210,313+1.5% | Added |
| Capital World Investors | 9,610,595 | $3.03B | 0.63% | −278,744−2.8% | Reduced |
| State Street Corp | 8,198,004 | $2.58B | 0.15% | −444,479−5.1% | Reduced |
| Capital International Investors | 5,741,026 | $1.81B | 0.47% | −43,685−0.8% | Reduced |
| Morgan Stanley | 5,579,997 | $1.76B | 0.19% | +3,356,519+151.0% | Added |
| WCM Investment Management, LLC | 4,996,482 | $1.58B | 5.03% | −107,790−2.1% | Reduced |
| Mawer Investment Management Ltd. | 4,925,282 | $1.55B | 8.47% | −208,900−4.1% | Reduced |
| Berkshire Hathaway IncSuperinvestorBerkshire Hathaway | 4,335,000 | $1.37B | 0.42% | −61,000−1.4% | Reduced |
| Lazard Asset Management LLC | 4,185,991 | $1.32B | 1.73% | −596,019−12.5% | Reduced |
| Geode Capital Management, LLC | 3,621,604 | $1.14B | 0.15% | −399,481−9.9% | Reduced |
| Neuberger Berman Group LLC | 2,543,880 | $802.0M | 0.74% | −112,474−4.2% | Reduced |
| Bank of America Corp | 2,476,225 | $780.7M | 0.09% | +175,800+7.6% | Added |
| Northern Trust Corp | 2,435,580 | $767.9M | 0.15% | −31,123−1.3% | Reduced |
| Mackenzie Financial Corp | 2,287,054 | $721.1M | 1.13% | +2,287,054 | New |
| GQG Partners LLC | 2,237,353 | $705.4M | 1.85% | +36,505+1.7% | Added |
| Independent Franchise Partners LLP | 2,036,733 | $642.2M | 5.78% | −7,879−0.4% | Reduced |
| Eagle Capital Management LLC | 1,922,563 | $606.2M | 2.76% | −404,639−17.4% | Reduced |
| Bank of New York Mellon Corp | 1,877,394 | $591.9M | 0.13% | −35,678−1.9% | Reduced |
| Longview Partners (Guernsey) LTD | 1,841,222 | $580.5M | 4.10% | +105,033+6.0% | Added |
| Sustainable Growth Advisers, LP | 1,796,387 | $566.4M | 3.28% | +529,294+41.8% | Added |
| Boston Partners | 1,532,145 | $483.3M | 0.66% | +489,752+47.0% | Added |
| Legal & General Group Plc | 1,449,666 | $457.1M | 0.16% | +27,968+2.0% | Added |
| Invesco Ltd. | 1,388,046 | $437.6M | 0.12% | −163,658−10.5% | Reduced |
| Artisan Partners Limited Partnership | 1,330,181 | $419.4M | 0.70% | −48,349−3.5% | Reduced |
| UBS Asset Management Americas Inc | 1,242,736 | $391.8M | 0.19% | +13,089+1.1% | Added |
| California Public Employees Retirement System | 1,181,731 | $372.6M | 0.33% | +18,264+1.6% | Added |
| Cantillon Capital Management LLC | 1,179,916 | $372.0M | 3.03% | −20,670−1.7% | Reduced |
| Price T Rowe Associates Inc | 1,145,226 | $361.1M | 0.05% | −2490.0% | Reduced |
| Norges Bank | 1,136,011 | $358.2M | 0.08% | −3,197−0.3% | Reduced |
| Charles Schwab Investment Management Inc | 1,059,794 | $334.1M | 0.10% | +1,748+0.2% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 989,370 | $311.9M | 0.74% | +840,742+565.7% | Added |
| Goldman Sachs Group Inc | 971,624 | $306.3M | 0.08% | +35,173+3.8% | Added |
| Principal Financial Group Inc | 916,525 | $289.0M | 0.21% | −20,721−2.2% | Reduced |
| FMR LLC | 892,890 | $281.5M | 0.03% | −225,269−20.1% | Reduced |
| Royal Bank of Canada | 882,975 | $278.4M | 0.08% | +18,724+2.2% | Added |
| Janus Henderson Group PLC | 859,887 | $271.0M | 0.18% | +33,883+4.1% | Added |
| Polen Capital Management LLC | 824,504 | $260.0M | 0.69% | −173,866−17.4% | Reduced |
| Swiss National Bank | 821,000 | $258.9M | 0.18% | −36,200−4.2% | Reduced |
| Ameriprise Financial Inc | 804,914 | $253.8M | 0.08% | −88,253−9.9% | Reduced |
| Farallon Capital Management, L.L.C. | 804,686 | $253.7M | 1.54% | +16,600+2.1% | Added |
| Dimensional Fund Advisors LP | 801,531 | $252.7M | 0.09% | −129,567−13.9% | Reduced |
| JPMorgan Chase & Co | 770,155 | $242.8M | 0.03% | −811,380−51.3% | Reduced |
| First Pacific Advisors, LP | 762,506 | $240.4M | 3.73% | −30,699−3.9% | Reduced |
| Blair William & Co | 726,171 | $229.0M | 0.91% | −33,774−4.4% | Reduced |
| FIL Ltd | 715,687 | $225.6M | 0.26% | +60,317+9.2% | Added |
| Voya Investment Management LLC | 667,745 | $210.5M | 0.23% | −100,401−13.1% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 649,760 | $204.9M | 0.15% | +20,728+3.3% | Added |
| Bessemer Group Inc | 593,669 | $187.2M | 0.44% | −1,038−0.2% | Reduced |
| Frontier Capital Management Co LLC | 555,065 | $175.0M | 1.81% | +40,754+7.9% | Added |
| Manufacturers Life Insurance Company, The | 554,476 | $174.8M | 0.10% | +35,116+6.8% | Added |
| Ensign Peak Advisors, Inc | 508,553 | $160.3M | 0.35% | −50,536−9.0% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 477,170 | $150.4M | 1.86% | −2,110−0.4% | Reduced |
| Natixis Advisors, L.P. | 471,653 | $148.7M | 0.51% | +15,825+3.5% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 464,345 | $146.4M | 0.25% | −201,591−30.3% | Reduced |
| Deutsche Bank AG | 417,374 | $131.6M | 0.07% | −7,410−1.7% | Reduced |
| Capital Group Private Client Services, Inc. | 405,927 | $128.0M | 1.59% | −9,694−2.3% | Reduced |
| New York State Common Retirement Fund | 393,293 | $124.0M | 0.17% | +26,208+7.1% | Added |
| BloombergSen Inc. | 381,225 | $120.2M | 10.17% | −5,571−1.4% | Reduced |
| Rhumbline Advisers | 380,040 | $119.8M | 0.15% | +19,164+5.3% | Added |
| Omers Administration Corp | 373,137 | $117.6M | 1.81% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 354,601 | $111.7M | 0.22% | −20,185−5.4% | Reduced |
| Douglass Winthrop Advisors, LLC | 351,436 | $110.8M | 2.87% | +2,460+0.7% | Added |
| California State Teachers Retirement System | 350,178 | $110.4M | 0.16% | −8,185−2.3% | Reduced |
| Haverford Trust Co | 345,965 | $109.1M | 1.30% | +15,594+4.7% | Added |
| Wells Fargo & Company | 337,945 | $106.6M | 0.03% | +18,294+5.7% | Added |
| Amundi | 325,286 | $104.6M | 0.06% | −93,462−22.3% | Reduced |
| Credit Suisse AG | 324,035 | $102.2M | 0.11% | −9,947−3.0% | Reduced |
| Polar Capital Holdings Plc | 290,000 | $91.4M | 0.67% | −70,000−19.4% | Reduced |
| Barclays PLC | 276,825 | $87.3M | 0.09% | −381,590−58.0% | Reduced |
| Chilton Investment Co LLC | 269,574 | $85.0M | 2.63% | +199,205+283.1% | Added |
| SEI Investments Co | 261,064 | $82.3M | 0.15% | +58,245+28.7% | Added |
| Gladstone Capital Management LLP | 259,562 | $81.8M | 10.40% | +59,134+29.5% | Added |
| CIBC World Markets Corp | 256,482 | $80.9M | 1.33% | −41,339−13.9% | Reduced |
| Envestnet Asset Management Inc | 252,614 | $79.6M | 0.04% | +5,572+2.3% | Added |
| Broad Run Investment Management, LLC | 249,979 | $78.8M | 9.39% | −28,268−10.2% | Reduced |
| Alliancebernstein L.P. | 244,496 | $77.1M | 0.03% | −25,693−9.5% | Reduced |
| Nicholas Company, Inc. | 243,150 | $76.7M | 1.56% | −29,970−11.0% | Reduced |
| Cooper Investors Pty Ltd | 242,436 | $76.4M | 6.51% | −10,324−4.1% | Reduced |
| Schroder Investment Management Group | 237,402 | $74.9M | 0.11% | −33,285−12.3% | Reduced |
| Bank of Montreal | 236,155 | $74.5M | 0.05% | +1,286+0.5% | Added |
| State Board of Administration of Florida Retirement System | 227,465 | $71.7M | 0.17% | −5,230−2.2% | Reduced |
| Pensioenfonds Rail & Ov | 226,540 | $71.4M | 2.76% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 221,040 | $69.7M | 0.16% | −6,691−2.9% | Reduced |
| Davenport & Co LLC | 221,432 | $69.5M | 0.55% | −5,415−2.4% | Reduced |
| Korea Investment CORP | 220,323 | $69.5M | 0.20% | +8,233+3.9% | Added |
| Artemis Investment Management LLP | 211,072 | $66.4M | 0.82% | +211,072 | New |
| Acadian Asset Management LLC | 208,323 | $65.7M | 0.29% | +21,607+11.6% | Added |
| Raymond James & Associates | 206,971 | $65.3M | 0.06% | −13,104−6.0% | Reduced |
| Zurich Insurance Group Ltd | 205,992 | $64.9M | 0.81% | +86,352+72.2% | Added |
| Stifel Financial Corp | 198,748 | $62.7M | 0.09% | +16,476+9.0% | Added |
| APG Asset Management N.V. | 214,752 | $62.3M | 0.13% | +21,303+11.0% | Added |
| James Hambro & Partners | 196,924 | $62.1M | 4.54% | +9,404+5.0% | Added |
| Ardevora Asset Management LLP | 194,100 | $61.2M | 1.10% | +10,649+5.8% | Added |
| HM Payson & Co | 193,042 | $60.9M | 1.46% | +2,700+1.4% | Added |
| Citigroup Inc | 192,385 | $60.7M | 0.08% | +39,944+26.2% | Added |
| Vontobel Asset Management Inc | 192,327 | $60.6M | 0.44% | −34,047−15.0% | Reduced |
| DSM Capital Partners LLC | 184,695 | $58.2M | 0.95% | −221,459−54.5% | Reduced |
| CIBC Asset Management Inc | 182,073 | $57.4M | 0.23% | −15,090−7.7% | Reduced |