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; 1,266 institutions reported holding it in 13F filings for Q2 2026, worth $65.8B in total; 4 superinvestors hold it, including Viking Global Investors and Baupost Group.
13F holders, Q2 2026
Institutional positions in Aon plc as of Jun 30, 2026. 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
- 1,266
- +26 vs. Q1 2026
- Shares held
- 192.9M
- +5.39M (+2.9%) vs. Q1 2026
- Total value
- $65.8B
- +$5.21B (+8.6%) vs. Q1 2026
- New holders
- 141
- 473 more added
- Sold out
- 115
- 457 more reduced
17 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | 1,266 | $65.8B |
| Q1 2026 | 1,257 | $60.6B |
| Q4 2025 | 1,280 | $66.8B |
| Q3 2025 | 1,245 | $67.6B |
| Q2 2025 | 1,223 | $69.5B |
| Q1 2025 | 1,266 | $77.3B |
| Q4 2024 | 1,185 | $70.1B |
| Q3 2024 | 1,141 | $67.8B |
| Q2 2024 | 1,102 | $56.1B |
| Q1 2024 | 1,075 | $62.5B |
| Q4 2023 | 1,055 | $51.9B |
| Q3 2023 | 1,039 | $56.4B |
| Q2 2023 | 1,015 | $61.0B |
| Q1 2023 | 1,005 | $56.0B |
| Q4 2022 | 1,025 | $52.3B |
| Q3 2022 | 940 | $49.0B |
| Q2 2022 | 953 | $49.3B |
| Q1 2022 | 972 | $61.0B |
| Q4 2021 | 982 | $56.9B |
| Q3 2021 | 901 | $56.9B |
| Q2 2021 | 894 | $53.2B |
| Q1 2021 | 895 | $51.3B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15,716,429 | $5.21B | 0.08% | −432,078−2.7% | Reduced |
| Vanguard Capital Management LLC | 13,603,465 | $4.51B | 0.10% | +21,709+0.2% | Added |
| JPMorgan Chase & Co | 12,175,974 | $3.99B | 0.23% | +6,534,543+115.8% | Added |
| Capital World Investors | 11,711,650 | $3.88B | 0.46% | +233,862+2.0% | Added |
| State Street Corp | 9,416,039 | $3.12B | 0.09% | +196,266+2.1% | Added |
| Dodge & Cox | 8,593,144 | $2.85B | 1.49% | +477,049+5.9% | Added |
| Massachusetts Financial Services Co | 7,615,397 | $2.58B | 0.82% | −742,700−8.9% | Reduced |
| Vanguard Portfolio Management LLC | 7,202,991 | $2.39B | 0.11% | +2,643,956+58.0% | Added |
| Morgan Stanley | 6,214,787 | $2.06B | 0.11% | −160,158−2.5% | Reduced |
| Banque Cantonale Vaudoise | 5,550 | $1.84B | 0.25% | +1,231+28.5% | Added |
| Geode Capital Management, LLC | 5,180,553 | $1.71B | 0.09% | −63,756−1.2% | Reduced |
| Bank of New York Mellon Corp | 3,191,212 | $1.06B | 0.17% | −129,880−3.9% | Reduced |
| Price T Rowe Associates Inc | 3,136,640 | $1.04B | 0.10% | +1,855,714+144.9% | Added |
| Norges Bank | 2,796,760 | $927.7M | 0.09% | +2,796,760 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,753,913 | $913.4M | 0.51% | +237,276+9.4% | Added |
| Independent Franchise Partners LLP | 2,646,943 | $878.0M | 5.76% | +58,941+2.3% | Added |
| Arrowstreet Capital, Limited Partnership | 2,614,754 | $867.3M | 0.38% | +1,817,336+227.9% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 2,255,768 | $748.2M | 0.59% | −692,642−23.5% | Reduced |
| Boston Partners | 2,089,773 | $695.8M | 0.62% | +134,741+6.9% | Added |
| Northern Trust Corp | 2,040,534 | $676.8M | 0.08% | −41,571−2.0% | Reduced |
| AQR Capital Management LLC | 1,905,800 | $623.0M | 0.22% | +926,045+94.5% | Added |
| WCM Investment Management, LLC | 1,875,859 | $614.5M | 1.11% | −76,520−3.9% | Reduced |
| Artisan Partners Limited Partnership | 1,850,623 | $613.8M | 1.00% | +206,471+12.6% | Added |
| Goldman Sachs Group Inc | 1,748,801 | $580.1M | 0.06% | +164,810+10.4% | Added |
| Neuberger Berman Group LLC | 1,691,729 | $561.1M | 0.37% | −166,105−8.9% | Reduced |
| Bank of America Corp | 1,624,970 | $539.0M | 0.03% | +42,290+2.7% | Added |
| Veritas Asset Management LLP | 1,408,111 | $467.1M | 8.40% | −112,166−7.4% | Reduced |
| Farallon Capital Management, L.L.C. | 1,382,562 | $458.6M | 2.68% | −1,130,076−45.0% | Reduced |
| Charles Schwab Investment Management Inc | 1,345,367 | $446.2M | 0.06% | −9,727−0.7% | Reduced |
| Legal & General Group Plc | 1,288,852 | $427.5M | 0.09% | −52,370−3.9% | Reduced |
| Dimensional Fund Advisors LP | 1,240,634 | $411.5M | 0.07% | −13,135−1.0% | Reduced |
| Vanguard Fiduciary Trust Co | 1,190,449 | $394.9M | 0.09% | −35,114−2.9% | Reduced |
| Mawer Investment Management Ltd. | 1,171,624 | $388.6M | 2.64% | −105,464−8.3% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,151,269 | $381.9M | 1.09% | +64,155+5.9% | Added |
| Lazard Asset Management LLC | 1,122,874 | $372.4M | 0.56% | −94,369−7.8% | Reduced |
| Diamond Hill Capital Management Inc | 1,114,156 | $369.6M | 2.96% | −373,731−25.1% | Reduced |
| Invesco Ltd. | 1,069,331 | $354.7M | 0.03% | −417,292−28.1% | Reduced |
| Amundi | 993,712 | $329.6M | 0.08% | −509,178−33.9% | Reduced |
| Nuveen, LLC | 878,682 | $291.4M | 0.07% | +27,601+3.2% | Added |
| UBS Group AG | 822,267 | $272.7M | 0.04% | −81,661−9.0% | Reduced |
| Comgest Global Investors S.A.S. | 820,270 | $272.1M | 5.99% | +191,570+30.5% | Added |
| StonePine Asset Management Inc. | 799,293 | $265.1M | 1.64% | +799,293 | New |
| Capital International Investors | 793,989 | $263.1M | 0.05% | −13,086−1.6% | Reduced |
| Longview Partners (Guernsey) LTD | 768,975 | $255.1M | 4.14% | −207,288−21.2% | Reduced |
| FIL Ltd | 753,981 | $250.1M | 0.18% | +8,022+1.1% | Added |
| Wealthspire Advisors, LLC | 726,424 | $240.9M | 1.33% | −257,651−26.2% | Reduced |
| Colony Group, LLC | 706,903 | $234.5M | 0.24% | +76,098+12.1% | Added |
| Ameriprise Financial Inc | 692,802 | $229.8M | 0.05% | −387,870−35.9% | Reduced |
| Baupost Group LLCSuperinvestorBaupost Group | 687,000 | $227.9M | 4.21% | −82,000−10.7% | Reduced |
| Meritage Group LP | 684,518 | $227.0M | 8.75% | +4,349+0.6% | Added |
| First Pacific Advisors, LP | 681,367 | $226.0M | 2.80% | −21,891−3.1% | Reduced |
| Altrinsic Global Advisors LLC | 646,424 | $214.4M | 7.87% | −14,300−2.2% | Reduced |
| Deutsche Bank AG | 585,041 | $194.1M | 0.06% | −59,695−9.3% | Reduced |
| Swiss National Bank | 574,100 | $190.4M | 0.10% | −25,160−4.2% | Reduced |
| Royal Bank of Canada | 554,705 | $184.0M | 0.03% | −133,425−19.4% | Reduced |
| FMR LLC | 551,367 | $182.9M | 0.01% | +28,183+5.4% | Added |
| Vontobel Holding Ltd. | 540,802 | $179.4M | 0.60% | −458,374−45.9% | Reduced |
| USS Investment Management Ltd | 520,768 | $172.7M | 0.62% | +18,288+3.6% | Added |
| National Pension Service | 484,892 | $160.8M | 0.10% | +9,349+2.0% | Added |
| Vanguard Global Advisers, LLC | 460,517 | $152.7M | 0.07% | −8,613−1.8% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 453,213 | $150.3M | 0.09% | +5,912+1.3% | Added |
| Natixis Advisors, L.P. | 448,019 | $148.6M | 0.17% | +106,082+31.0% | Added |
| BNP Paribas Arbitrage, SA | 446,333 | $148.0M | 0.08% | +77,973+21.2% | Added |
| Fiera Capital Corp | 419,313 | $139.1M | 0.50% | −130,974−23.8% | Reduced |
| Vanguard Asset Management, Ltd | 408,838 | $135.6M | 0.09% | +46,980+13.0% | Added |
| Douglass Winthrop Advisors, LLC | 400,635 | $132.9M | 2.29% | +6,099+1.5% | Added |
| Barclays PLC | 394,135 | $130.7M | 0.04% | −206,419−34.4% | Reduced |
| Franklin Resources Inc | 389,485 | $129.2M | 0.03% | +28,170+7.8% | Added |
| Russell Investments Group, Ltd. | 388,097 | $128.6M | 0.11% | +125,181+47.6% | Added |
| SEI Investments Co | 385,948 | $128.0M | 0.11% | −65,977−14.6% | Reduced |
| Verition Fund Management LLC | 385,028 | $127.7M | 0.90% | +156,819+68.7% | Added |
| Adage Capital Partners GP, L.L.C. | 380,369 | $126.2M | 0.18% | +158,200+71.2% | Added |
| Assenagon Asset Management S.A. | 377,642 | $125.3M | 0.08% | +369,422+4,494.2% | Added |
| Jones Financial Companies LLLP | 375,514 | $123.4M | 0.05% | +116,481+45.0% | Added |
| California Public Employees Retirement System | 370,835 | $123.0M | 0.07% | −105,107−22.1% | Reduced |
| Blair William & Co | 360,607 | $119.6M | 0.31% | −60,998−14.5% | Reduced |
| Rhumbline Advisers | 360,106 | $119.4M | 0.09% | −20,538−5.4% | Reduced |
| Cryder Capital Partners LLP | 352,191 | $116.8M | 7.36% | +30,502+9.5% | Added |
| HSBC Holdings PLC | 351,616 | $116.6M | 0.06% | −2,542−0.7% | Reduced |
| Envestnet Asset Management Inc | 337,900 | $112.1M | 0.03% | −85,309−20.2% | Reduced |
| Wells Fargo & Company | 336,918 | $111.8M | 0.02% | −28,788−7.9% | Reduced |
| Davenport & Co LLC | 336,307 | $111.2M | 0.57% | −734−0.2% | Reduced |
| C WorldWide Group Holding A/S | 320,935 | $106.5M | 2.57% | −78,377−19.6% | Reduced |
| CapitalatWork S.A. | 316,541 | $105.0M | 2.63% | +44,538+16.4% | Added |
| Millennium Management LLC | 312,198 | $103.6M | 0.07% | +292,222+1,462.9% | Added |
| California State Teachers Retirement System | 306,798 | $101.8M | 0.09% | −2,175−0.7% | Reduced |
| Haverford Trust Co | 296,930 | $98.5M | 0.85% | −49,187−14.2% | Reduced |
| Lord, Abbett & Co. LLC | 292,301 | $97.0M | 0.28% | −6,229−2.1% | Reduced |
| Bank of Montreal | 283,011 | $93.9M | 0.03% | −5,224−1.8% | Reduced |
| Bristol John W & Co Inc | 279,586 | $92.7M | 1.37% | −3,468−1.2% | Reduced |
| Aviva PLC | 267,360 | $88.7M | 0.13% | −42,975−13.8% | Reduced |
| DekaBank Deutsche Girozentrale | 275,444 | $88.6M | 0.15% | 00.0% | Unchanged |
| Principal Financial Group Inc | 260,063 | $86.3M | 0.04% | +9,138+3.6% | Added |
| Bowie Capital Management, LLC | 250,021 | $82.9M | 4.10% | −72,146−22.4% | Reduced |
| BloombergSen Inc. | 245,318 | $81.4M | 9.10% | −8,688−3.4% | Reduced |
| Sustainable Growth Advisers, LP | 242,284 | $80.4M | 0.79% | −809,521−77.0% | Reduced |
| Citigroup Inc | 233,032 | $77.3M | 0.04% | −17,415−7.0% | Reduced |
| New York State Common Retirement Fund | 229,832 | $76.2M | 0.10% | −14,400−5.9% | Reduced |
| Scharf Investments, LLC | 226,626 | $75.2M | 2.48% | −28,315−11.1% | Reduced |
| Quantinno Capital Management LP | 225,133 | $74.7M | 0.09% | −674−0.3% | Reduced |