Aon PLC Class AAON
13F holders, Q2 2026 (June 30)1,263holders +8
123new positions
111sold out
12famous investors
$331.41avg. 13F price*
At the end of Q2 2026, 1,263 institutions reported holding Aon PLC Class A (AON) in their 13F filings, up 8 from Q1 2026. 123 opened new positions and 111 sold out. The largest holders were BlackRock, Inc. ($5.2B), Vanguard Capital Management LLC ($4.5B) and JPMorgan Chase & Co. ($4.0B). 12 famous investors held it, including Seth Klarman (4.2% of Baupost Group's portfolio), Andreas Halvorsen (1.1% of Viking Global Investors's portfolio) and Tom Gayner (0.3% of Markel Group's portfolio).
- Company
- Aon PLC Class A
- Sector
- Finance
- CUSIP
- G0403H108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 123 | $400.1M |
| Exits | 111 | $898.2M |
All 13F filers, Q1 2026 → Q2 2026: 20,456,118 shares bought and 17,889,333 shares sold, net +2,566,785 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,263 holders
| BlackRock, Inc. | 0.08% | Reduce -2.7% | 15,716,429 | $5.2B |
| Vanguard Capital Management LLC | 0.10% | Add +0.2% | 13,603,465 | $4.5B |
| JPMorgan Chase & Co. | 0.23% | Add +115.8% | 12,175,974 | $4.0B |
| Capital World Investors | 0.46% | Add +2.0% | 11,711,650 | $3.9B |
| State Street Corp. | 0.09% | Add +2.1% | 9,416,039 | $3.1B |
| Dodge & Cox | 1.49% | Add +5.9% | 8,593,144 | $2.9B |
| Massachusetts Financial Services Co. | 0.82% | Reduce -8.9% | 7,615,397 | $2.6B |
| Vanguard Portfolio Management LLC | 0.11% | Add +58.0% | 7,202,991 | $2.4B |
| Morgan Stanley | 0.11% | Reduce -2.5% | 6,214,787 | $2.1B |
| Geode Capital Management, LLC | 0.09% | Reduce -1.2% | 5,180,553 | $1.7B |
| Bank of New York Mellon Corp | 0.17% | Reduce -3.9% | 3,191,212 | $1.1B |
| T. Rowe Price Associates Inc. | 0.10% | Add +144.9% | 3,136,640 | $1.0B |
| Norges Bank | 0.09% | — | 2,796,760 | $927.7M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.51% | Add +9.4% | 2,753,913 | $913.4M |
| Independent Franchise Partners LLP | 5.76% | Add +2.3% | 2,646,943 | $878.0M |
| Arrowstreet Capital, Limited Partnership | 0.38% | Add +227.9% | 2,614,754 | $867.3M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.59% | Reduce -23.5% | 2,255,768 | $748.2M |
| Boston Partners | 0.62% | Add +6.9% | 2,089,773 | $695.8M |
| Northern Trust Corp. | 0.08% | Reduce -2.0% | 2,040,534 | $676.8M |
| AQR Capital Management | 0.22% | Add +94.5% | 1,905,800 | $623.0M |
| WCM Investment Management, LLC | 1.11% | Reduce -3.9% | 1,875,859 | $614.5M |
| Artisan Partners Limited Partnership | 1.00% | Add +12.6% | 1,850,623 | $613.8M |
| Goldman Sachs Group Inc. | 0.06% | Add +10.4% | 1,748,801 | $580.1M |
| Neuberger Berman Group LLC | 0.37% | Reduce -8.9% | 1,691,729 | $561.1M |
| Bank of America Corp. | 0.03% | Add +2.7% | 1,624,970 | $539.0M |
| Veritas Asset Management LLP | 8.40% | Reduce -7.4% | 1,408,111 | $467.1M |
| Farallon Capital Management, L.L.C. | 2.71% | Reduce -45.0% | 1,382,562 | $458.6M |
| Charles Schwab Investment Management Inc. | 0.06% | Reduce -0.7% | 1,345,367 | $446.2M |
| Legal & General Group Plc | 0.09% | Reduce -3.9% | 1,288,852 | $427.5M |
| Dimensional Fund Advisors LP | 0.07% | Reduce -1.1% | 1,240,634 | $411.5M |
| Vanguard Fiduciary Trust Co. | 0.09% | Reduce -2.9% | 1,190,449 | $394.9M |
| Mawer Investment Management Ltd. | 2.64% | Reduce -8.3% | 1,171,624 | $388.6M |
| Viking Global Investors | 1.09% | Add +5.9% | 1,151,269 | $381.9M |
| Lazard Asset Management LLC | 0.56% | Reduce -7.8% | 1,122,874 | $372.4M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 2.96% | Reduce -25.1% | 1,114,156 | $369.6M |
| Invesco Ltd. | 0.03% | Reduce -28.1% | 1,069,331 | $354.7M |
| Amundi | 0.08% | Reduce -33.9% | 993,712 | $329.6M |
| Nuveen, LLC | 0.07% | Add +3.2% | 878,682 | $291.4M |
| UBS Group AG | 0.04% | Reduce -9.0% | 822,267 | $272.7M |
| Comgest Global Investors S.A.S. | 5.99% | Add +30.5% | 820,270 | $272.1M |
| PineStone Asset Management Inc. | 1.64% | New | 799,293 | $265.1M |
| Capital International Investors | 0.05% | Reduce -1.6% | 793,989 | $263.1M |
| Longview Partners (Guernsey) LTD | 4.14% | Reduce -21.2% | 768,975 | $255.1M |
| FIL Ltd | 0.18% | Add +1.1% | 753,981 | $250.1M |
| Wealthspire Advisors, LLC | 1.33% | Reduce -26.2% | 726,424 | $240.9M |
| Focus Partners Wealth | 0.24% | Add +12.1% | 706,903 | $234.5M |
| Ameriprise Financial Inc. | 0.05% | Reduce -35.9% | 692,802 | $229.8M |
| Baupost Group | 4.21% | Reduce -10.7% | 687,000 | $227.9M |
| Meritage Group LP | 8.75% | Add +0.6% | 684,518 | $227.0M |
| First Pacific Advisors, LP | 2.84% | Reduce -3.1% | 681,367 | $226.0M |
| Altrinsic Global Advisors LLC | 7.87% | Reduce -2.2% | 646,424 | $214.4M |
| Deutsche Bank AG | 0.06% | Reduce -9.3% | 585,041 | $194.1M |
| Swiss National Bank | 0.10% | Reduce -4.2% | 574,100 | $190.4M |
| Royal Bank of Canada | 0.03% | Reduce -19.4% | 554,705 | $184.0M |
| FMR LLC | 0.01% | Add +5.4% | 551,367 | $182.9M |
| Vontobel Holding Ltd. | 0.60% | Reduce -45.9% | 540,802 | $179.4M |
| USS Investment Management Ltd | 0.68% | Add +3.6% | 520,768 | $172.7M |
| National Pension Service | 0.10% | Add +2.0% | 484,892 | $160.8M |
| Vanguard Global Advisers, LLC | 0.07% | Reduce -1.8% | 460,517 | $152.7M |
| Sumitomo Mitsui Trust Group, Inc. | 0.09% | Add +1.3% | 453,213 | $150.3M |
| Natixis Advisors, LLC | 0.17% | Add +31.0% | 448,019 | $148.6M |
| BNP Paribas Financial Markets | 0.08% | Add +21.2% | 446,333 | $148.0M |
| Fiera Capital Corp | 0.50% | Reduce -23.8% | 419,313 | $139.1M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.09% | Add +13.0% | 408,838 | $135.6M |
| Douglass Winthrop Advisors, LLC | 2.29% | Add +1.6% | 400,635 | $132.9M |
| Barclays PLC | 0.04% | Reduce -34.4% | 394,135 | $130.7M |
| Franklin Resources Inc. | 0.03% | Add +7.8% | 389,485 | $129.2M |
| Russell Investments Group, Ltd. | 0.11% | Add +47.6% | 388,097 | $128.6M |
| Sei Investments Co. | 0.11% | Reduce -14.6% | 385,948 | $128.0M |
| Verition Fund Management LLC | 0.98% | Add +68.7% | 385,028 | $127.7M |
| Adage Capital Partners Gp, L.L.C. | 0.18% | Add +71.2% | 380,369 | $126.2M |
| Jones Financial Companies LLLP | 0.05% | Add +45.0% | 375,514 | $123.4M |
| California Public Employees Retirement System | 0.07% | Reduce -22.1% | 370,835 | $123.0M |
| Blair William & Co. | 0.31% | Reduce -14.5% | 360,607 | $119.6M |
| Rhumbline Advisers | 0.09% | Reduce -5.4% | 360,106 | $119.4M |
| Cryder Capital Partners LLP | 7.36% | Add +9.5% | 352,191 | $116.8M |
| HSBC Holdings PLC | 0.06% | Reduce -0.7% | 351,616 | $116.6M |
| Envestnet Asset Management Inc. | 0.03% | Reduce -20.2% | 337,900 | $112.1M |
| Wells Fargo & Company | 0.02% | Reduce -7.9% | 336,918 | $111.8M |
| DAVENPORT & Co LLC | 0.57% | Reduce -0.2% | 336,307 | $111.2M |
| C WorldWide Group Holding A/S | 2.57% | Reduce -19.6% | 320,935 | $106.5M |
| CapitalatWork S.A. | 2.64% | Add +16.4% | 316,541 | $105.0M |
| Millennium Management | 0.07% | Add +1462.9% | 312,198 | $103.6M |
| California State Teachers Retirement System | 0.09% | Reduce -0.7% | 306,798 | $101.8M |
| Haverford Trust Co | 0.85% | Reduce -14.2% | 296,930 | $98.5M |
| Lord, Abbett & Co. LLC | 0.29% | Reduce -2.1% | 292,301 | $97.0M |
| Bank of Montreal | 0.03% | Reduce -1.8% | 283,011 | $93.9M |
| Bristol John W & Co. Inc. | 1.37% | Reduce -1.2% | 279,586 | $92.7M |
| Aviva PLC | 0.13% | Reduce -13.8% | 267,360 | $88.7M |
| DekaBank Deutsche Girozentrale | 0.15% | No change | 275,444 | $88.6M |
| Principal Financial Group Inc. | 0.04% | Add +3.6% | 260,063 | $86.3M |
| Bowie Capital Management, LLC | 4.11% | Reduce -22.4% | 250,021 | $82.9M |
| BloombergSen Inc. | 9.10% | Reduce -3.4% | 245,318 | $81.4M |
| Sustainable Growth Advisers, LP | 0.79% | Reduce -77.0% | 242,284 | $80.4M |
| Citigroup Inc. | 0.04% | Reduce -7.0% | 233,032 | $77.3M |
| New York State Common Retirement Fund | 0.10% | Reduce -5.9% | 229,832 | $76.2M |
| Scharf Investments, LLC | 2.48% | Reduce -11.1% | 226,626 | $75.2M |
| Quantinno Capital Management LP | 0.09% | Reduce -0.3% | 225,133 | $74.7M |
| Gillson Capital LP | 4.33% | Add +115.7% | 221,600 | $73.5M |
| Weitz Investment Management, Inc. | 4.91% | No change | 213,860 | $70.9M |
"% of holder's portfolio" is AON's weight in each manager's 13F, not the share of Aon PLC Class A the manager owns.