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 2024
Institutional positions in Aon plc as of Mar 31, 2024. 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
- 1,087
- +35 vs. Q4 2023
- Shares held
- 172.0M
- +784.0K (+0.5%) vs. Q4 2023
- Total value
- $57.4B
- +$7.55B (+15.2%) vs. Q4 2023
- New holders
- 133
- 358 more added
- Sold out
- 98
- 415 more reduced
15 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Aviva PLC | 238,756 | $79.7M | 0.26% | −7,527−3.1% | Reduced |
| James Hambro & Partners | 239,360 | $79.9M | 3.74% | +15,495+6.9% | Added |
| Schroder Investment Management Group | 242,175 | $80.8M | 0.10% | +15,296+6.7% | Added |
| Pictet Asset Management Holding SA | 252,251 | $84.2M | 0.09% | +26,947+12.0% | Added |
| Artisan Partners Limited Partnership | 256,482 | $85.6M | 0.12% | −554,934−68.4% | Reduced |
| UBS Group AG | 267,137 | $89.1M | 0.03% | −22,248−7.7% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 275,000 | $91.8M | 0.32% | +188,000+216.1% | Added |
| DekaBank Deutsche Girozentrale | 275,109 | $92.1M | 0.17% | +59,782+27.8% | Added |
| Capital Group Private Client Services, Inc. | 278,846 | $93.1M | 0.95% | −84,363−23.2% | Reduced |
| Davenport & Co LLC | 281,259 | $93.8M | 0.58% | +6,216+2.3% | Added |
| Credit Suisse AG | 282,523 | $94.3M | 0.09% | −13,553−4.6% | Reduced |
| Prana Capital Management, LP | 289,829 | $96.7M | 4.34% | +120,717+71.4% | Added |
| Ceredex Value Advisors LLC | 297,763 | $99.4M | 1.74% | +297,763 | New |
| Point72 Asset Management, L.P. | 300,754 | $100.4M | 0.29% | +290,839+2,933.3% | Added |
| Deutsche Bank AG | 303,731 | $101.4M | 0.05% | −84,575−21.8% | Reduced |
| BloombergSen Inc. | 305,072 | $101.8M | 8.79% | −6,049−1.9% | Reduced |
| New York State Common Retirement Fund | 307,960 | $102.8M | 0.14% | −28,347−8.4% | Reduced |
| Veritas Asset Management LLP | 311,890 | $104.1M | 0.75% | +311,890 | New |
| Wells Fargo & Company | 324,738 | $108.4M | 0.03% | +34,460+11.9% | Added |
| Bank of Montreal | 324,848 | $109.0M | 0.06% | +214+0.1% | Added |
| Kovitz Investment Group Partners, LLC | 329,027 | $109.8M | 1.40% | +177,139+116.6% | Added |
| California State Teachers Retirement System | 332,663 | $111.0M | 0.14% | +903+0.3% | Added |
| Russell Investments Group, Ltd. | 340,076 | $113.5M | 0.18% | +2,904+0.9% | Added |
| Natixis Advisors, L.P. | 340,545 | $113.6M | 0.26% | −121,501−26.3% | Reduced |
| Assenagon Asset Management S.A. | 344,891 | $115.1M | 0.31% | +276,131+401.6% | Added |
| Haverford Trust Co | 347,264 | $115.9M | 1.21% | +1,560+0.5% | Added |
| Douglass Winthrop Advisors, LLC | 356,718 | $119.0M | 2.45% | +2,342+0.7% | Added |
| National Pension Service | 364,094 | $121.5M | 0.15% | +364,094 | New |
| Rhumbline Advisers | 364,623 | $121.7M | 0.12% | −6,615−1.8% | Reduced |
| Envestnet Asset Management Inc | 369,601 | $123.3M | 0.05% | +15,357+4.3% | Added |
| FMR LLC | 375,987 | $125.5M | 0.01% | +68,199+22.2% | Added |
| Amundi | 413,378 | $127.6M | 0.05% | −36,685−8.2% | Reduced |
| Royal Bank of Canada | 417,163 | $139.2M | 0.03% | −98,199−19.1% | Reduced |
| Qube Research & Technologies Ltd | 436,778 | $145.8M | 0.26% | −345,384−44.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 496,766 | $165.8M | 0.11% | −8,841−1.7% | Reduced |
| Voloridge Investment Management, LLC | 532,488 | $177.7M | 0.65% | +224,445+72.9% | Added |
| Nuveen Asset Management, LLC | 535,801 | $178.8M | 0.05% | −94,370−15.0% | Reduced |
| Fiera Capital Corp | 567,093 | $189.3M | 0.55% | −111,145−16.4% | Reduced |
| Omers Administration Corp | 594,265 | $198.3M | 2.27% | 00.0% | Unchanged |
| Swiss National Bank | 599,600 | $200.1M | 0.14% | −34,800−5.5% | Reduced |
| Dimensional Fund Advisors LP | 609,384 | $203.4M | 0.06% | −156,153−20.4% | Reduced |
| Blair William & Co | 611,165 | $204.0M | 0.64% | −129,876−17.5% | Reduced |
| USS Investment Management Ltd | 613,709 | $204.8M | 1.69% | +85,353+16.2% | Added |
| Farallon Capital Management, L.L.C. | 632,000 | $210.9M | 1.24% | +632,000 | New |
| Price T Rowe Associates Inc | 658,409 | $219.7M | 0.03% | −222,331−25.2% | Reduced |
| Ameriprise Financial Inc | 703,975 | $234.9M | 0.06% | +399,677+131.3% | Added |
| First Pacific Advisors, LP | 721,804 | $240.9M | 3.38% | +8,754+1.2% | Added |
| Goldman Sachs Group Inc | 752,921 | $251.3M | 0.05% | −231,979−23.6% | Reduced |
| Meritage Group LP | 774,514 | $258.5M | 6.09% | +774,514 | New |
| C WorldWide Group Holding A/S | 824,075 | $275.0M | 3.13% | −4,689−0.6% | Reduced |
| Polen Capital Management LLC | 830,116 | $277.0M | 0.64% | +10,500+1.3% | Added |
| Principal Financial Group Inc | 875,862 | $292.3M | 0.17% | −1,995−0.2% | Reduced |
| Barclays PLC | 951,075 | $317.4M | 0.14% | +170,604+21.9% | Added |
| Manufacturers Life Insurance Company, The | 964,564 | $321.9M | 0.30% | +14,411+1.5% | Added |
| Boston Partners | 984,445 | $326.9M | 0.39% | +343,635+53.6% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1,003,618 | $334.9M | 0.38% | +712,426+244.7% | Added |
| California Public Employees Retirement System | 1,057,283 | $352.8M | 0.25% | −20,196−1.9% | Reduced |
| JPMorgan Chase & Co | 1,063,721 | $355.0M | 0.03% | +100,703+10.5% | Added |
| Charles Schwab Investment Management Inc | 1,077,500 | $359.6M | 0.08% | +19,191+1.8% | Added |
| Invesco Ltd. | 1,120,599 | $374.0M | 0.08% | −92,559−7.6% | Reduced |
| Cantillon Capital Management LLC | 1,196,190 | $399.2M | 2.51% | −23,984−2.0% | Reduced |
| FIL Ltd | 1,242,477 | $414.6M | 0.41% | +212,300+20.6% | Added |
| UBS Asset Management Americas Inc | 1,276,364 | $425.9M | 0.15% | −54,020−4.1% | Reduced |
| Legal & General Group Plc | 1,415,689 | $472.4M | 0.14% | −30,209−2.1% | Reduced |
| Bank of New York Mellon Corp | 1,452,406 | $484.7M | 0.09% | +12,370+0.9% | Added |
| Norges Bank | 1,551,583 | $517.8M | 0.08% | +97,973+6.7% | Added |
| Longview Partners (Guernsey) LTD | 1,719,104 | $573.7M | 3.70% | +10,500+0.6% | Added |
| Neuberger Berman Group LLC | 1,722,279 | $574.8M | 0.48% | −22,834−1.3% | Reduced |
| Bank of America Corp | 1,852,049 | $618.1M | 0.06% | +244,662+15.2% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 1,943,733 | $648.7M | 0.90% | +471,424+32.0% | Added |
| Northern Trust Corp | 2,034,289 | $678.9M | 0.12% | −108,409−5.1% | Reduced |
| Independent Franchise Partners LLP | 2,360,369 | $787.7M | 6.52% | +427,008+22.1% | Added |
| Mackenzie Financial Corp | 2,460,462 | $821.1M | 1.19% | +129,330+5.5% | Added |
| Eagle Capital Management LLC | 2,789,534 | $930.9M | 3.60% | +807,945+40.8% | Added |
| Sustainable Growth Advisers, LP | 2,805,199 | $936.2M | 3.92% | +127,173+4.7% | Added |
| Lazard Asset Management LLC | 3,434,343 | $1.15B | 1.39% | −384,983−10.1% | Reduced |
| Geode Capital Management, LLC | 3,904,270 | $1.30B | 0.12% | −291,213−6.9% | Reduced |
| Berkshire Hathaway IncSuperinvestorBerkshire Hathaway | 4,100,000 | $1.37B | 0.41% | 00.0% | Unchanged |
| WCM Investment Management, LLC | 4,335,658 | $1.45B | 3.44% | −102,636−2.3% | Reduced |
| Mawer Investment Management Ltd. | 4,353,681 | $1.45B | 6.74% | −69,321−1.6% | Reduced |
| Capital International Investors | 5,241,586 | $1.75B | 0.35% | −283,144−5.1% | Reduced |
| Morgan Stanley | 7,214,371 | $2.41B | 0.19% | +1,024,267+16.5% | Added |
| State Street Corp | 8,242,463 | $2.75B | 0.12% | +28,521+0.3% | Added |
| Capital World Investors | 9,746,563 | $3.25B | 0.54% | +5,012+0.1% | Added |
| Massachusetts Financial Services Co | 12,242,867 | $4.09B | 1.22% | −229,475−1.8% | Reduced |
| BlackRock Inc. | 14,484,928 | $4.83B | 0.11% | +1,056,337+7.9% | Added |
| Vanguard Group Inc | 17,661,672 | $5.89B | 0.12% | +64,500+0.4% | Added |
| GQG Partners LLC | 0 | $0 | 0.00% | −1,758,547−100.0% | Sold out |
| Vaughan Nelson Investment Management, L.P. | 0 | $0 | 0.00% | −480,552−100.0% | Sold out |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −205,000−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −160,191−100.0% | Sold out |
| Gladstone Capital Management LLP | 0 | $0 | 0.00% | −156,730−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −133,152−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −110,360−100.0% | Sold out |
| Chilton Investment Co LLC | 0 | $0 | 0.00% | −95,695−100.0% | Sold out |
| Natixis Investment Managers International | 0 | $0 | 0.00% | −89,735−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −50,350−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −45,716−100.0% | Sold out |
| Thornburg Investment Management Inc | 0 | $0 | 0.00% | −42,049−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |