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 | 1,266 | $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, 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 |
|---|---|---|---|---|---|
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 145,400 | $45.8M | 2.64% | −2,500−1.7% | Reduced |
| Ycg, LLC | 149,639 | $47.2M | 4.61% | −1,074−0.7% | Reduced |
| Bowie Capital Management, LLC | 149,640 | $47.2M | 6.69% | +2,965+2.0% | Added |
| Central Securities Corp | 150,000 | $47.3M | 5.90% | 00.0% | Unchanged |
| Pictet Asset Management SA | 151,060 | $47.6M | 0.06% | +12,597+9.1% | Added |
| Storebrand Asset Management AS | 151,498 | $47.8M | 0.24% | −1,054−0.7% | Reduced |
| Gluskin Sheff & Assoc Inc | 152,709 | $48.1M | 2.62% | +37,046+32.0% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 154,575 | $48.7M | 0.12% | +4,551+3.0% | Added |
| Panagora Asset Management Inc | 154,674 | $48.8M | 0.31% | +30,228+24.3% | Added |
| Kovitz Investment Group Partners, LLC | 161,359 | $50.9M | 0.88% | −65,793−29.0% | Reduced |
| Aviva PLC | 171,674 | $54.1M | 0.25% | +140,112+443.9% | Added |
| UBS Group AG | 179,722 | $56.7M | 0.03% | −7,242−3.9% | Reduced |
| Obermeyer Wood Investment Counsel, LLLP | 179,366 | $56.8M | 4.24% | −13,721−7.1% | Reduced |
| CIBC Asset Management Inc | 182,073 | $57.4M | 0.23% | −15,090−7.7% | Reduced |
| DSM Capital Partners LLC | 184,695 | $58.2M | 0.95% | −221,459−54.5% | Reduced |
| Vontobel Asset Management Inc | 192,327 | $60.6M | 0.44% | −34,047−15.0% | Reduced |
| Citigroup Inc | 192,385 | $60.7M | 0.08% | +39,944+26.2% | Added |
| HM Payson & Co | 193,042 | $60.9M | 1.46% | +2,700+1.4% | Added |
| Ardevora Asset Management LLP | 194,100 | $61.2M | 1.10% | +10,649+5.8% | Added |
| James Hambro & Partners | 196,924 | $62.1M | 4.54% | +9,404+5.0% | Added |
| APG Asset Management N.V. | 214,752 | $62.3M | 0.13% | +21,303+11.0% | Added |
| Stifel Financial Corp | 198,748 | $62.7M | 0.09% | +16,476+9.0% | Added |
| Zurich Insurance Group Ltd | 205,992 | $64.9M | 0.81% | +86,352+72.2% | Added |
| Raymond James & Associates | 206,971 | $65.3M | 0.06% | −13,104−6.0% | Reduced |
| Acadian Asset Management LLC | 208,323 | $65.7M | 0.29% | +21,607+11.6% | Added |
| Artemis Investment Management LLP | 211,072 | $66.4M | 0.82% | +211,072 | New |
| Korea Investment CORP | 220,323 | $69.5M | 0.20% | +8,233+3.9% | Added |
| Davenport & Co LLC | 221,432 | $69.5M | 0.55% | −5,415−2.4% | Reduced |
| New York State Teachers Retirement System | 221,040 | $69.7M | 0.16% | −6,691−2.9% | Reduced |
| Pensioenfonds Rail & Ov | 226,540 | $71.4M | 2.76% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 227,465 | $71.7M | 0.17% | −5,230−2.2% | Reduced |
| Bank of Montreal | 236,155 | $74.5M | 0.05% | +1,286+0.5% | Added |
| Schroder Investment Management Group | 237,402 | $74.9M | 0.11% | −33,285−12.3% | Reduced |
| Cooper Investors Pty Ltd | 242,436 | $76.4M | 6.51% | −10,324−4.1% | Reduced |
| Nicholas Company, Inc. | 243,150 | $76.7M | 1.56% | −29,970−11.0% | Reduced |
| Alliancebernstein L.P. | 244,496 | $77.1M | 0.03% | −25,693−9.5% | Reduced |
| Broad Run Investment Management, LLC | 249,979 | $78.8M | 9.39% | −28,268−10.2% | Reduced |
| Envestnet Asset Management Inc | 252,614 | $79.6M | 0.04% | +5,572+2.3% | Added |
| CIBC World Markets Corp | 256,482 | $80.9M | 1.33% | −41,339−13.9% | Reduced |
| Gladstone Capital Management LLP | 259,562 | $81.8M | 10.40% | +59,134+29.5% | Added |
| SEI Investments Co | 261,064 | $82.3M | 0.15% | +58,245+28.7% | Added |
| Chilton Investment Co LLC | 269,574 | $85.0M | 2.63% | +199,205+283.1% | Added |
| Barclays PLC | 276,825 | $87.3M | 0.09% | −381,590−58.0% | Reduced |
| Polar Capital Holdings Plc | 290,000 | $91.4M | 0.67% | −70,000−19.4% | Reduced |
| Credit Suisse AG | 324,035 | $102.2M | 0.11% | −9,947−3.0% | Reduced |
| Amundi | 325,286 | $104.6M | 0.06% | −93,462−22.3% | Reduced |
| Wells Fargo & Company | 337,945 | $106.6M | 0.03% | +18,294+5.7% | Added |
| Haverford Trust Co | 345,965 | $109.1M | 1.30% | +15,594+4.7% | Added |
| California State Teachers Retirement System | 350,178 | $110.4M | 0.16% | −8,185−2.3% | Reduced |
| Douglass Winthrop Advisors, LLC | 351,436 | $110.8M | 2.87% | +2,460+0.7% | Added |
| Russell Investments Group, Ltd. | 354,601 | $111.7M | 0.22% | −20,185−5.4% | Reduced |
| Omers Administration Corp | 373,137 | $117.6M | 1.81% | 00.0% | Unchanged |
| Rhumbline Advisers | 380,040 | $119.8M | 0.15% | +19,164+5.3% | Added |
| BloombergSen Inc. | 381,225 | $120.2M | 10.17% | −5,571−1.4% | Reduced |
| New York State Common Retirement Fund | 393,293 | $124.0M | 0.17% | +26,208+7.1% | Added |
| Capital Group Private Client Services, Inc. | 405,927 | $128.0M | 1.59% | −9,694−2.3% | Reduced |
| Deutsche Bank AG | 417,374 | $131.6M | 0.07% | −7,410−1.7% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 464,345 | $146.4M | 0.25% | −201,591−30.3% | Reduced |
| Natixis Advisors, L.P. | 471,653 | $148.7M | 0.51% | +15,825+3.5% | Added |
| Vaughan Nelson Investment Management, L.P. | 477,170 | $150.4M | 1.86% | −2,110−0.4% | Reduced |
| Ensign Peak Advisors, Inc | 508,553 | $160.3M | 0.35% | −50,536−9.0% | Reduced |
| Manufacturers Life Insurance Company, The | 554,476 | $174.8M | 0.10% | +35,116+6.8% | Added |
| Frontier Capital Management Co LLC | 555,065 | $175.0M | 1.81% | +40,754+7.9% | Added |
| Bessemer Group Inc | 593,669 | $187.2M | 0.44% | −1,038−0.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 649,760 | $204.9M | 0.15% | +20,728+3.3% | Added |
| Voya Investment Management LLC | 667,745 | $210.5M | 0.23% | −100,401−13.1% | Reduced |
| FIL Ltd | 715,687 | $225.6M | 0.26% | +60,317+9.2% | Added |
| Blair William & Co | 726,171 | $229.0M | 0.91% | −33,774−4.4% | Reduced |
| First Pacific Advisors, LP | 762,506 | $240.4M | 3.73% | −30,699−3.9% | Reduced |
| JPMorgan Chase & Co | 770,155 | $242.8M | 0.03% | −811,380−51.3% | Reduced |
| Dimensional Fund Advisors LP | 801,531 | $252.7M | 0.09% | −129,567−13.9% | Reduced |
| Farallon Capital Management, L.L.C. | 804,686 | $253.7M | 1.54% | +16,600+2.1% | Added |
| Ameriprise Financial Inc | 804,914 | $253.8M | 0.08% | −88,253−9.9% | Reduced |
| Swiss National Bank | 821,000 | $258.9M | 0.18% | −36,200−4.2% | Reduced |
| Polen Capital Management LLC | 824,504 | $260.0M | 0.69% | −173,866−17.4% | Reduced |
| Janus Henderson Group PLC | 859,887 | $271.0M | 0.18% | +33,883+4.1% | Added |
| Royal Bank of Canada | 882,975 | $278.4M | 0.08% | +18,724+2.2% | Added |
| FMR LLC | 892,890 | $281.5M | 0.03% | −225,269−20.1% | Reduced |
| Principal Financial Group Inc | 916,525 | $289.0M | 0.21% | −20,721−2.2% | Reduced |
| Goldman Sachs Group Inc | 971,624 | $306.3M | 0.08% | +35,173+3.8% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 989,370 | $311.9M | 0.74% | +840,742+565.7% | Added |
| Charles Schwab Investment Management Inc | 1,059,794 | $334.1M | 0.10% | +1,748+0.2% | Added |
| Norges Bank | 1,136,011 | $358.2M | 0.08% | −3,197−0.3% | Reduced |
| Price T Rowe Associates Inc | 1,145,226 | $361.1M | 0.05% | −2490.0% | Reduced |
| Cantillon Capital Management LLC | 1,179,916 | $372.0M | 3.03% | −20,670−1.7% | Reduced |
| California Public Employees Retirement System | 1,181,731 | $372.6M | 0.33% | +18,264+1.6% | Added |
| UBS Asset Management Americas Inc | 1,242,736 | $391.8M | 0.19% | +13,089+1.1% | Added |
| Artisan Partners Limited Partnership | 1,330,181 | $419.4M | 0.70% | −48,349−3.5% | Reduced |
| Invesco Ltd. | 1,388,046 | $437.6M | 0.12% | −163,658−10.5% | Reduced |
| Legal & General Group Plc | 1,449,666 | $457.1M | 0.16% | +27,968+2.0% | Added |
| Boston Partners | 1,532,145 | $483.3M | 0.66% | +489,752+47.0% | Added |
| Sustainable Growth Advisers, LP | 1,796,387 | $566.4M | 3.28% | +529,294+41.8% | Added |
| Longview Partners (Guernsey) LTD | 1,841,222 | $580.5M | 4.10% | +105,033+6.0% | Added |
| Bank of New York Mellon Corp | 1,877,394 | $591.9M | 0.13% | −35,678−1.9% | Reduced |
| Eagle Capital Management LLC | 1,922,563 | $606.2M | 2.76% | −404,639−17.4% | Reduced |
| Independent Franchise Partners LLP | 2,036,733 | $642.2M | 5.78% | −7,879−0.4% | Reduced |
| GQG Partners LLC | 2,237,353 | $705.4M | 1.85% | +36,505+1.7% | Added |
| Mackenzie Financial Corp | 2,287,054 | $721.1M | 1.13% | +2,287,054 | New |
| Northern Trust Corp | 2,435,580 | $767.9M | 0.15% | −31,123−1.3% | Reduced |
| Bank of America Corp | 2,476,225 | $780.7M | 0.09% | +175,800+7.6% | Added |