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, Q4 2023
Institutional positions in Aon plc as of Dec 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
- 1,067
- +35 vs. Q3 2023
- Shares held
- 171.3M
- −2.61M (−1.5%) vs. Q3 2023
- Total value
- $49.8B
- −$6.57B (−11.6%) vs. Q3 2023
- New holders
- 123
- 341 more added
- Sold out
- 88
- 403 more reduced
17 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Brinker Capital Investments, LLC | 78,588 | $23.2M | 0.27% | −8,201−9.4% | Reduced |
| Orion Portfolio Solutions, LLC | 78,588 | $23.2M | 0.27% | −8,201−9.4% | Reduced |
| Zurich Insurance Group Ltd | 81,832 | $23.8M | 0.24% | −70,224−46.2% | Reduced |
| Royal London Asset Management Ltd | 83,002 | $24.2M | 0.07% | +2,630+3.3% | Added |
| CI Private Wealth, LLC | 85,041 | $24.7M | 0.05% | +46,102+118.4% | Added |
| Border to Coast Pensions Partnership Ltd | 85,176 | $24.8M | 0.60% | 00.0% | Unchanged |
| Jane Street Group, LLC | 85,251 | $24.8M | 0.03% | +23,441+37.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 87,000 | $25.3M | 0.09% | +34,600+66.0% | Added |
| Asset Management One Co.,Ltd. | 88,332 | $25.6M | 0.10% | −18,334−17.2% | Reduced |
| Allianz Asset Management GmbH | 88,295 | $25.7M | 0.05% | −41,951−32.2% | Reduced |
| State of Tennessee, Treasury Department | 89,655 | $26.1M | 0.10% | +15,553+21.0% | Added |
| Natixis Investment Managers International | 89,735 | $26.1M | 1.85% | +590+0.7% | Added |
| Treasurer of the State of North Carolina | 90,445 | $26.3M | 0.13% | −1,590−1.7% | Reduced |
| Standard Life Aberdeen plc | 90,818 | $26.4M | 0.06% | +37,825+71.4% | Added |
| Gateway Investment Advisers LLC | 93,898 | $27.3M | 0.32% | −89−0.1% | Reduced |
| Chilton Investment Co LLC | 95,695 | $27.8M | 0.82% | −183,265−65.7% | Reduced |
| Connectus Wealth, LLC | 99,136 | $28.9M | 0.59% | −1,023−1.0% | Reduced |
| Petrus Trust Company, LTA | 101,500 | $29.5M | 2.80% | +101,500 | New |
| Waters Parkerson & Co., LLC | 101,516 | $29.5M | 1.64% | −1,199−1.2% | Reduced |
| Bank of Nova Scotia | 104,444 | $30.4M | 0.06% | +70,389+206.7% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 105,350 | $30.7M | 0.33% | +5,800+5.8% | Added |
| Night Owl Capital Management, LLC | 96,807 | $31.4M | 7.86% | 00.0% | Unchanged |
| Ironvine Capital Partners, LLC | 107,897 | $31.4M | 3.77% | −7,368−6.4% | Reduced |
| Dudley & Shanley, Inc. | 108,178 | $31.5M | 5.61% | −2,680−2.4% | Reduced |
| Public Employees Retirement System of Ohio | 108,984 | $31.7M | 0.13% | −6,254−5.4% | Reduced |
| Aquatic Capital Management LLC | 110,360 | $32.1M | 0.82% | +107,880+4,350.0% | Added |
| Chevy Chase Trust Holdings, Inc. | 111,842 | $32.5M | 0.12% | −2,386−2.1% | Reduced |
| AQR Capital Management LLC | 113,461 | $32.8M | 0.06% | −13,377−10.5% | Reduced |
| Williams Jones Wealth Management, LLC. | 113,046 | $32.9M | 0.46% | +3,113+2.8% | Added |
| Davis R M Inc | 114,333 | $33.3M | 0.77% | −9,021−7.3% | Reduced |
| CIBC Private Wealth Group, LLC | 115,090 | $33.5M | 0.07% | +135+0.1% | Added |
| Gluskin Sheff & Assoc Inc | 115,159 | $33.5M | 3.31% | −14,065−10.9% | Reduced |
| The PNC Financial Services Group, Inc. | 115,664 | $33.7M | 0.03% | +1,131+1.0% | Added |
| State of New Jersey Common Pension Fund D | 116,545 | $33.9M | 0.11% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 118,866 | $34.6M | 0.10% | +10,190+9.4% | Added |
| TCTC Holdings, LLC | 120,000 | $34.9M | 1.27% | 00.0% | Unchanged |
| Spears Abacus Advisors LLC | 121,317 | $35.3M | 2.81% | +2,472+2.1% | Added |
| Robeco Institutional Asset Management B.V. | 126,686 | $36.9M | 0.09% | +56,795+81.3% | Added |
| Capital Fund Management S.A. | 127,539 | $37.1M | 0.47% | +91,019+249.2% | Added |
| Renaissance Technologies LLC | 129,440 | $37.7M | 0.06% | +129,440 | New |
| Swedbank AB | 129,823 | $37.8M | 0.06% | +6,497+5.3% | Added |
| Toronto Dominion Bank | 130,089 | $37.9M | 0.05% | +31,264+31.6% | Added |
| GFI Investment Counsel Ltd. | 130,969 | $38.1M | 5.27% | +418+0.3% | Added |
| Tudor Investment Corp Et Al | 131,072 | $38.1M | 0.53% | +125,084+2,088.9% | Added |
| Holocene Advisors, LP | 133,152 | $38.7M | 0.15% | +103,449+348.3% | Added |
| APG Asset Management N.V. | 148,352 | $39.1M | 0.08% | −25,200−14.5% | Reduced |
| Frontier Capital Management Co LLC | 136,564 | $39.7M | 0.40% | −118,037−46.4% | Reduced |
| CapitalatWork S.A. | 141,520 | $41.2M | 1.49% | +141,520 | New |
| Ycg, LLC | 141,784 | $41.3M | 3.42% | −670.0% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 144,650 | $42.1M | 2.22% | 00.0% | Unchanged |
| Pensioenfonds Rail & Ov | 149,895 | $43.6M | 2.52% | 00.0% | Unchanged |
| Central Securities Corp | 150,000 | $43.7M | 4.74% | 00.0% | Unchanged |
| Kovitz Investment Group Partners, LLC | 151,888 | $44.2M | 0.73% | +82+0.1% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 154,462 | $44.9M | 0.11% | −2,042−1.3% | Reduced |
| Artemis Investment Management LLP | 154,609 | $45.0M | 0.66% | −75,914−32.9% | Reduced |
| Gladstone Capital Management LLP | 156,730 | $45.6M | 5.34% | −174,412−52.7% | Reduced |
| Citigroup Inc | 157,818 | $45.9M | 0.06% | −118,081−42.8% | Reduced |
| D. E. Shaw & Co., Inc. | 158,505 | $46.1M | 0.07% | +123,618+354.3% | Added |
| Twinbeech Capital LP | 160,191 | $46.6M | 0.75% | +127,013+382.8% | Added |
| Obermeyer Wood Investment Counsel, LLLP | 165,496 | $48.2M | 3.29% | −3,596−2.1% | Reduced |
| CIBC Asset Management Inc | 168,474 | $49.0M | 0.18% | −7,893−4.5% | Reduced |
| Raymond James & Associates | 168,721 | $49.1M | 0.04% | −21,222−11.2% | Reduced |
| Prana Capital Management, LP | 169,112 | $49.2M | 2.90% | +52,004+44.4% | Added |
| Bowie Capital Management, LLC | 170,122 | $49.5M | 5.59% | +22,860+15.5% | Added |
| Storebrand Asset Management AS | 174,682 | $50.8M | 0.18% | +12,785+7.9% | Added |
| Korea Investment CORP | 177,503 | $51.7M | 0.14% | −17,368−8.9% | Reduced |
| HM Payson & Co | 184,353 | $53.7M | 1.11% | −2,150−1.2% | Reduced |
| Broad Run Investment Management, LLC | 189,139 | $55.0M | 7.36% | −28,069−12.9% | Reduced |
| New York State Teachers Retirement System | 190,486 | $55.4M | 0.12% | −12,709−6.3% | Reduced |
| Stifel Financial Corp | 196,497 | $57.2M | 0.07% | +1,454+0.7% | Added |
| Acadian Asset Management LLC | 203,597 | $59.2M | 0.23% | +46,773+29.8% | Added |
| Ensign Peak Advisors, Inc | 204,112 | $59.4M | 0.12% | −311,483−60.4% | Reduced |
| Polar Capital Holdings Plc | 205,000 | $59.7M | 0.41% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 210,013 | $61.1M | 0.13% | −200−0.1% | Reduced |
| DekaBank Deutsche Girozentrale | 215,327 | $61.8M | 0.13% | +98,338+84.1% | Added |
| Cooper Investors Pty Ltd | 214,263 | $62.4M | 3.73% | −57,287−21.1% | Reduced |
| James Hambro & Partners | 223,865 | $65.1M | 3.47% | +20,239+9.9% | Added |
| Pictet Asset Management Holding SA | 225,304 | $65.6M | 0.07% | +25,843+13.0% | Added |
| Schroder Investment Management Group | 226,879 | $66.0M | 0.09% | +12,368+5.8% | Added |
| Man Group plc | 227,647 | $66.2M | 0.19% | – | – |
| Nicholas Company, Inc. | 228,245 | $66.4M | 1.18% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 229,478 | $66.8M | 0.27% | +168,645+277.2% | Added |
| Alliancebernstein L.P. | 231,786 | $67.5M | 0.03% | −4,605−1.9% | Reduced |
| Citadel Advisors LLC | 235,392 | $68.5M | 0.07% | +126,947+117.1% | Added |
| Aviva PLC | 246,283 | $71.7M | 0.26% | +55,113+28.8% | Added |
| SRB Corp | 247,451 | $72.0M | 4.25% | +245,997+16,918.6% | Added |
| SEI Investments Co | 267,288 | $77.8M | 0.12% | −25,928−8.8% | Reduced |
| Davenport & Co LLC | 275,043 | $79.9M | 0.55% | +7,382+2.8% | Added |
| UBS Group AG | 289,385 | $84.2M | 0.03% | +84,637+41.3% | Added |
| Wells Fargo & Company | 290,278 | $84.5M | 0.02% | −30,939−9.6% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 291,192 | $84.7M | 0.11% | +17,465+6.4% | Added |
| HSBC Holdings PLC | 295,240 | $85.4M | 0.08% | +159,944+118.2% | Added |
| Credit Suisse AG | 296,076 | $86.2M | 0.08% | +15,042+5.4% | Added |
| Ameriprise Financial Inc | 304,298 | $88.5M | 0.03% | −412,963−57.6% | Reduced |
| FMR LLC | 307,788 | $89.6M | 0.01% | −1,216,158−79.8% | Reduced |
| Voloridge Investment Management, LLC | 308,043 | $89.6M | 0.35% | +308,043 | New |
| BloombergSen Inc. | 311,121 | $90.5M | 7.30% | −45,739−12.8% | Reduced |
| Bank of Montreal | 324,634 | $94.5M | 0.05% | +86,546+36.4% | Added |
| California State Teachers Retirement System | 331,760 | $96.5M | 0.13% | +4,843+1.5% | Added |
| New York State Common Retirement Fund | 336,307 | $97.9M | 0.14% | −27,904−7.7% | Reduced |