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, 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
- 1,273
- +24 vs. Q1 2026
- Shares held
- 192.7M
- +5.20M (+2.8%) vs. Q1 2026
- Total value
- $63.9B
- +$3.31B (+5.5%) vs. Q1 2026
- New holders
- 139
- 472 more added
- Sold out
- 115
- 458 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 | 1,273 | $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, 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 |
|---|---|---|---|---|---|
| Voloridge Investment Management, LLC | 82,214 | $27.3M | 0.12% | −32,760−28.5% | Reduced |
| Royal London Asset Management Ltd | 86,933 | $28.8M | 0.05% | −1,448−1.6% | Reduced |
| Treasurer of the State of North Carolina | 88,644 | $29.4M | 0.08% | −1,250−1.4% | Reduced |
| Dudley & Shanley, Inc. | 88,807 | $29.5M | 4.45% | +250.0% | Added |
| Summit Trail Advisors, LLC | 89,714 | $29.8M | 0.37% | −520−0.6% | Reduced |
| Cerity Partners LLC | 90,060 | $29.9M | 0.04% | +22,691+33.7% | Added |
| Pictet Asset Management Holding SA | 90,408 | $30.0M | 0.03% | +436+0.5% | Added |
| Asset Management One Co.,Ltd. | 91,635 | $30.4M | 0.08% | −2,604−2.8% | Reduced |
| The PNC Financial Services Group, Inc. | 92,087 | $30.5M | 0.02% | +1,122+1.2% | Added |
| Gateway Investment Advisers LLC | 95,912 | $31.8M | 0.31% | −771−0.8% | Reduced |
| Toroso Investments, LLC | 97,552 | $32.4M | 0.08% | −13,512−12.2% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 97,739 | $32.4M | 0.03% | −193,598−66.5% | Reduced |
| Obermeyer Wood Investment Counsel, LLLP | 98,034 | $32.5M | 1.33% | −319−0.3% | Reduced |
| Broad Run Investment Management, LLC | 100,650 | $33.4M | 5.14% | −507−0.5% | Reduced |
| Capital International Inc | 101,348 | $33.6M | 0.24% | +2,433+2.5% | Added |
| Ieq Capital, LLC | 101,454 | $33.7M | 0.16% | +48,392+91.2% | Added |
| KLP Kapitalforvaltning AS | 102,032 | $33.8M | 0.11% | +4,080+4.2% | Added |
| Spears Abacus Advisors LLC | 102,769 | $34.1M | 0.61% | −7,133−6.5% | Reduced |
| Assetmark, Inc | 102,990 | $34.2M | 0.06% | +22,491+27.9% | Added |
| Vanguard Investments Australia, Ltd. | 103,869 | $34.5M | 0.09% | +1,822+1.8% | Added |
| Citadel Advisors LLC | 105,569 | $35.0M | 0.02% | +25,269+31.5% | Added |
| Chevy Chase Trust Holdings, Inc. | 106,232 | $35.2M | 0.09% | −2,517−2.3% | Reduced |
| Wellington Management Group LLP | 106,370 | $35.3M | 0.01% | +14,996+16.4% | Added |
| LPL Financial LLC | 106,629 | $35.4M | 0.01% | +4,518+4.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 107,640 | $35.7M | 0.07% | +9,550+9.7% | Added |
| Ninety One North America, Inc. | 108,639 | $36.0M | 1.69% | −66,920−38.1% | Reduced |
| State of Wisconsin Investment Board | 108,992 | $36.2M | 0.07% | −2,296−2.1% | Reduced |
| Man Group plc | 110,868 | $36.8M | 0.07% | −28,384−20.4% | Reduced |
| Night Owl Capital Management, LLC | 110,978 | $36.8M | 3.86% | +1,490+1.4% | Added |
| Voya Investment Management LLC | 111,372 | $36.9M | 0.03% | −9,091−7.5% | Reduced |
| Korea Investment CORP | 111,870 | $37.1M | 0.07% | −56,242−33.5% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 113,561 | $37.7M | 0.08% | +6,052+5.6% | Added |
| 1832 Asset Management L.P. | 118,078 | $39.2M | 0.05% | −1,490−1.2% | Reduced |
| Ironvine Capital Partners, LLC | 119,841 | $39.8M | 3.70% | +12,153+11.3% | Added |
| TCTC Holdings, LLC | 120,606 | $40.0M | 1.05% | +606+0.5% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 120,985 | $40.1M | 0.19% | +27,680+29.7% | Added |
| AMF Pensionsforsakring AB | 122,843 | $40.7M | 0.24% | 00.0% | Unchanged |
| Schroder Investment Management Group | 125,728 | $41.2M | 0.03% | +7,530+6.4% | Added |
| Stifel Financial Corp | 127,310 | $42.2M | 0.04% | −21,825−14.6% | Reduced |
| Davis R M Inc | 127,621 | $42.3M | 0.67% | −209−0.2% | Reduced |
| Nippon Life Global Investors Americas, Inc. | 130,180 | $43.2M | 1.72% | −480−0.4% | Reduced |
| Manufacturers Life Insurance Company, The | 130,281 | $43.2M | 0.03% | −417,569−76.2% | Reduced |
| First Trust Advisors LP | 131,003 | $43.5M | 0.03% | +103,331+373.4% | Added |
| Danske Bank A/S | 131,655 | $43.7M | 0.09% | +11,078+9.2% | Added |
| Mariner, LLC | 133,194 | $44.2M | 0.05% | +55,793+72.1% | Added |
| SG Americas Securities, LLC | 133,270 | $44.2M | 0.03% | +54,354+68.9% | Added |
| APG Asset Management N.V. | 153,532 | $44.5M | 0.11% | +41,489+37.0% | Added |
| Omers Administration Corp | 135,286 | $44.9M | 0.27% | −432,193−76.2% | Reduced |
| Storebrand Asset Management AS | 135,494 | $44.9M | 0.11% | −2,040−1.5% | Reduced |
| Markel Group Inc.SuperinvestorMarkel Group | 135,800 | $45.0M | 0.34% | 00.0% | Unchanged |
| LFL Advisers, LLC | 136,691 | $45.3M | 12.12% | +10,025+7.9% | Added |
| Petrus Trust Company, LTA | 144,000 | $47.8M | 4.49% | −9,300−6.1% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 145,118 | $48.1M | 0.12% | +138,349+2,043.9% | Added |
| Ycg, LLC | 145,134 | $48.1M | 4.24% | −1,876−1.3% | Reduced |
| Teacher Retirement System of Texas | 146,997 | $48.8M | 0.13% | −33,896−18.7% | Reduced |
| Vestor Capital, LLC | 210,617 | $50.2M | 4.25% | +208,858+11,873.7% | Added |
| New York State Teachers Retirement System | 153,500 | $50.9M | 0.09% | −1,800−1.2% | Reduced |
| Woodline Partners LP | 155,078 | $51.4M | 0.16% | +52,709+51.5% | Added |
| State of Tennessee, Treasury Department | 155,205 | $51.5M | 0.15% | +1,826+1.2% | Added |
| Ci Investments Inc. | 156,100 | $51.8M | 0.17% | +155,017+14,313.7% | Added |
| GFI Investment Counsel Ltd. | 160,005 | $53.1M | 7.20% | +2,568+1.6% | Added |
| Ninety One UK Ltd | 161,013 | $53.4M | 0.12% | +23,444+17.0% | Added |
| Standard Life Aberdeen plc | 162,212 | $53.8M | 0.08% | +3,614+2.3% | Added |
| Polen Capital Management LLC | 164,035 | $54.4M | 0.47% | −1,190,018−87.9% | Reduced |
| Canada Pension Plan Investment Board | 174,339 | $57.8M | 0.03% | −94,720−35.2% | Reduced |
| State Board of Administration of Florida Retirement System | 178,085 | $59.1M | 0.10% | −3,327−1.8% | Reduced |
| Nicholas Company, Inc. | 181,267 | $60.1M | 1.10% | +400.0% | Added |
| Assenagon Asset Management S.A. | 188,821 | $62.6M | 0.08% | +180,601+2,197.1% | Added |
| Nomura Asset Management Co Ltd | 195,089 | $64.7M | 0.14% | +20,664+11.8% | Added |
| Balyasny Asset Management LLC | 198,061 | $65.7M | 0.12% | −26,260−11.7% | Reduced |
| Alliancebernstein L.P. | 207,271 | $66.9M | 0.02% | −13,052−5.9% | Reduced |
| Raymond James Financial Inc | 204,967 | $68.0M | 0.02% | −29,654−12.6% | Reduced |
| Ensign Peak Advisors, Inc | 206,469 | $68.5M | 0.11% | −16,709−7.5% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 213,860 | $70.9M | 4.91% | 00.0% | Unchanged |
| Gillson Capital LP | 221,600 | $73.5M | 4.33% | +118,880+115.7% | Added |
| Quantinno Capital Management LP | 225,133 | $74.7M | 0.09% | −674−0.3% | Reduced |
| Scharf Investments, LLC | 226,626 | $75.2M | 2.48% | −28,315−11.1% | Reduced |
| New York State Common Retirement Fund | 229,832 | $76.2M | 0.10% | −14,400−5.9% | Reduced |
| Citigroup Inc | 233,032 | $77.3M | 0.04% | −17,415−7.0% | Reduced |
| Sustainable Growth Advisers, LP | 242,284 | $80.4M | 0.79% | −809,521−77.0% | Reduced |
| BloombergSen Inc. | 245,318 | $81.4M | 9.10% | −8,688−3.4% | Reduced |
| Bowie Capital Management, LLC | 250,021 | $82.9M | 4.10% | −72,146−22.4% | Reduced |
| Principal Financial Group Inc | 260,063 | $86.3M | 0.04% | +9,138+3.6% | Added |
| DekaBank Deutsche Girozentrale | 275,444 | $88.6M | 0.15% | 00.0% | Unchanged |
| Aviva PLC | 267,360 | $88.7M | 0.13% | −42,975−13.8% | Reduced |
| Bristol John W & Co Inc | 279,586 | $92.7M | 1.37% | −3,468−1.2% | Reduced |
| Bank of Montreal | 283,011 | $93.9M | 0.03% | −5,224−1.8% | Reduced |
| Lord, Abbett & Co. LLC | 292,301 | $97.0M | 0.28% | −6,229−2.1% | Reduced |
| Haverford Trust Co | 296,930 | $98.5M | 0.85% | −49,187−14.2% | Reduced |
| California State Teachers Retirement System | 306,798 | $101.8M | 0.09% | −2,175−0.7% | Reduced |
| Millennium Management LLC | 312,198 | $103.6M | 0.07% | +292,222+1,462.9% | Added |
| CapitalatWork S.A. | 316,541 | $105.0M | 2.63% | +44,538+16.4% | Added |
| C WorldWide Group Holding A/S | 320,935 | $106.5M | 2.57% | −78,377−19.6% | Reduced |
| Davenport & Co LLC | 336,307 | $111.2M | 0.57% | −734−0.2% | Reduced |
| Wells Fargo & Company | 336,918 | $111.8M | 0.02% | −28,788−7.9% | Reduced |
| Envestnet Asset Management Inc | 337,900 | $112.1M | 0.03% | −85,309−20.2% | Reduced |
| HSBC Holdings PLC | 351,616 | $116.6M | 0.06% | −2,542−0.7% | Reduced |
| Cryder Capital Partners LLP | 352,191 | $116.8M | 7.36% | +30,502+9.5% | Added |
| Rhumbline Advisers | 360,106 | $119.4M | 0.09% | −20,538−5.4% | Reduced |
| Blair William & Co | 360,607 | $119.6M | 0.31% | −60,998−14.5% | Reduced |