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 2025
Institutional positions in Aon plc as of Dec 31, 2025. 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
- 1,289
- +57 vs. Q3 2025
- Shares held
- 189.1M
- +3.31M (+1.8%) vs. Q3 2025
- Total value
- $66.7B
- +$447.9M (+0.7%) vs. Q3 2025
- New holders
- 156
- 425 more added
- Sold out
- 99
- 478 more reduced
23 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alliancebernstein L.P. | 218,495 | $77.1M | 0.02% | −17,265−7.3% | Reduced |
| Scharf Investments, LLC | 208,111 | $73.4M | 1.97% | −11,977−5.4% | Reduced |
| Verition Fund Management LLC | 207,562 | $73.2M | 0.40% | +1,831+0.9% | Added |
| Ensign Peak Advisors, Inc | 206,485 | $72.9M | 0.13% | −24,398−10.6% | Reduced |
| CapitalatWork S.A. | 197,854 | $69.8M | 2.13% | +5,636+2.9% | Added |
| HSBC Holdings PLC | 190,679 | $67.7M | 0.04% | +5,890+3.2% | Added |
| Gillson Capital LP | 189,000 | $66.7M | 4.36% | +48,339+34.4% | Added |
| Point72 Asset Management, L.P. | 188,218 | $66.4M | 0.10% | +6,165+3.4% | Added |
| State Board of Administration of Florida Retirement System | 181,412 | $64.0M | 0.11% | −3,770−2.0% | Reduced |
| Nicholas Company, Inc. | 181,402 | $64.0M | 1.12% | −250.0% | Reduced |
| Ninety One North America, Inc. | 176,485 | $62.3M | 2.52% | +31,178+21.5% | Added |
| Nomura Asset Management Co Ltd | 167,846 | $59.2M | 0.15% | +214+0.1% | Added |
| GFI Investment Counsel Ltd. | 167,162 | $59.0M | 6.29% | −434−0.3% | Reduced |
| Intech Investment Management LLC | 156,255 | $55.1M | 0.49% | +87,799+128.3% | Added |
| Prana Capital Management, LP | 156,157 | $55.1M | 2.00% | −184,405−54.1% | Reduced |
| New York State Teachers Retirement System | 155,300 | $54.8M | 0.11% | −522−0.3% | Reduced |
| Standard Life Aberdeen plc | 153,289 | $54.1M | 0.08% | −2,902−1.9% | Reduced |
| Ycg, LLC | 151,443 | $53.4M | 4.03% | +179+0.1% | Added |
| Stifel Financial Corp | 144,432 | $51.0M | 0.05% | +858+0.6% | Added |
| Petrus Trust Company, LTA | 144,000 | $50.8M | 5.14% | +7,487+5.5% | Added |
| SG Americas Securities, LLC | 143,163 | $50.5M | 0.07% | +134,937+1,640.4% | Added |
| Storebrand Asset Management AS | 142,585 | $50.3M | 0.14% | −1,777−1.2% | Reduced |
| Moore Capital Management, LP | 139,600 | $49.3M | 1.00% | −72,592−34.2% | Reduced |
| Ninety One UK Ltd | 138,223 | $48.8M | 0.10% | +24,161+21.2% | Added |
| State of Tennessee, Treasury Department | 138,801 | $48.5M | 0.16% | +3,814+2.8% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 134,050 | $47.3M | 0.38% | +4,250+3.3% | Added |
| Davis R M Inc | 126,495 | $44.6M | 0.77% | +253+0.2% | Added |
| HM Payson & Co | 124,963 | $44.1M | 0.62% | −8,058−6.1% | Reduced |
| Zurich Insurance Group Ltd | 124,889 | $44.1M | 0.31% | +60,175+93.0% | Added |
| Jefferies Financial Group Inc. | 123,030 | $43.4M | 0.36% | +2,382+2.0% | Added |
| Danske Bank A/S | 121,060 | $42.7M | 0.10% | +3,128+2.7% | Added |
| TCTC Holdings, LLC | 120,161 | $42.4M | 1.27% | +100+0.1% | Added |
| Gluskin Sheff & Assoc Inc | 119,655 | $42.2M | 5.86% | −50,119−29.5% | Reduced |
| Fiducient Advisors LLC | 119,590 | $42.2M | 5.23% | −145,577−54.9% | Reduced |
| AMF Pensionsforsakring AB | 119,466 | $42.2M | 0.26% | −7,326−5.8% | Reduced |
| Quantinno Capital Management LP | 116,315 | $41.0M | 0.08% | +43,467+59.7% | Added |
| The PNC Financial Services Group, Inc. | 114,797 | $40.5M | 0.02% | −3,040−2.6% | Reduced |
| Teacher Retirement System of Texas | 112,281 | $39.6M | 0.14% | +11,947+11.9% | Added |
| Chevy Chase Trust Holdings, Inc. | 112,058 | $39.5M | 0.11% | −1,078−1.0% | Reduced |
| Spears Abacus Advisors LLC | 110,849 | $39.1M | 0.73% | +2,736+2.5% | Added |
| Night Owl Capital Management, LLC | 108,774 | $38.4M | 4.21% | +1,751+1.6% | Added |
| M.D. Sass Investors Services, Inc. | 108,531 | $38.3M | 3.02% | +1,233+1.1% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 108,472 | $38.3M | 0.09% | −12,864−10.6% | Reduced |
| State of Wisconsin Investment Board | 108,259 | $38.2M | 0.09% | −1,184−1.1% | Reduced |
| Ironvine Capital Partners, LLC | 107,680 | $38.0M | 3.80% | +2,305+2.2% | Added |
| Broad Run Investment Management, LLC | 106,567 | $37.6M | 6.98% | −500.0% | Reduced |
| Korea Investment CORP | 103,939 | $36.7M | 0.07% | −21,614−17.2% | Reduced |
| Central Securities Corp | 100,000 | $35.3M | 2.84% | 00.0% | Unchanged |
| Nippon Life Global Investors Americas, Inc. | 98,970 | $34.9M | 1.45% | +4,240+4.5% | Added |
| Obermeyer Wood Investment Counsel, LLLP | 98,342 | $34.7M | 1.59% | −2,731−2.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 97,642 | $34.5M | 0.07% | −2,194−2.2% | Reduced |
| APG Asset Management N.V. | 114,203 | $34.3M | 0.10% | −10,200−8.2% | Reduced |
| Asset Management One Co.,Ltd. | 94,545 | $33.7M | 0.09% | −217−0.2% | Reduced |
| Pictet Asset Management Holding SA | 93,966 | $33.2M | 0.03% | +1,917+2.1% | Added |
| Gateway Investment Advisers LLC | 93,696 | $33.1M | 0.31% | +452+0.5% | Added |
| KLP Kapitalforvaltning AS | 93,672 | $33.1M | 0.13% | −680−0.7% | Reduced |
| LFL Advisers, LLC | 92,657 | $32.7M | 10.73% | +2,511+2.8% | Added |
| Advisors Capital Management, LLC | 90,353 | $31.9M | 0.37% | +989+1.1% | Added |
| CIBC Asset Management Inc | 89,600 | $31.6M | 0.08% | −70,312−44.0% | Reduced |
| Dudley & Shanley, Inc. | 88,782 | $31.3M | 5.04% | +50+0.1% | Added |
| Capital International Inc | 88,460 | $31.2M | 0.25% | −7,776−8.1% | Reduced |
| Treasurer of the State of North Carolina | 87,975 | $31.0M | 0.10% | −6,430−6.8% | Reduced |
| Swedbank AB | 87,409 | $30.8M | 0.03% | +4,493+5.4% | Added |
| Summit Trail Advisors, LLC | 86,028 | $30.4M | 0.52% | −26,273−23.4% | Reduced |
| Royal London Asset Management Ltd | 85,994 | $30.3M | 0.06% | −547−0.6% | Reduced |
| Public Employees Retirement System of Ohio | 84,663 | $29.9M | 0.09% | +219+0.3% | Added |
| Wellington Management Group LLP | 84,227 | $29.7M | 0.01% | −360,981−81.1% | Reduced |
| Gotham Asset Management, LLC | 81,509 | $28.8M | 0.11% | −1,091−1.3% | Reduced |
| Walleye Capital LLC | 81,153 | $28.6M | 0.16% | +80,607+14,763.2% | Added |
| Toroso Investments, LLC | 80,290 | $28.3M | 0.12% | −40,769−33.7% | Reduced |
| TD Asset Management Inc | 78,161 | $27.6M | 0.02% | +82+0.1% | Added |
| Canoe Financial LP | 77,749 | $27.4M | 0.37% | −1,480−1.9% | Reduced |
| CI Private Wealth, LLC | 76,111 | $27.0M | 0.04% | +3,667+5.1% | Added |
| Mn Services Vermogensbeheer B.V. | 75,686 | $26.7M | 0.16% | +2,086+2.8% | Added |
| LPL Financial LLC | 75,490 | $26.6M | 0.01% | +5,102+7.2% | Added |
| Schroder Investment Management Group | 73,929 | $26.4M | 0.02% | −16,631−18.4% | Reduced |
| Schonfeld Strategic Advisors LLC | 71,374 | $25.2M | 0.13% | −44,135−38.2% | Reduced |
| State of New Jersey Common Pension Fund D | 71,293 | $25.2M | 0.09% | −832−1.2% | Reduced |
| Barings LLC | 71,077 | $25.1M | 0.46% | +11,444+19.2% | Added |
| Credit Agricole S A | 69,537 | $24.5M | 0.07% | +9,465+15.8% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 68,951 | $24.3M | 0.12% | +5,133+8.0% | Added |
| CIBC World Markets Corp | 68,101 | $24.0M | 0.12% | +68,101 | New |
| Victory Capital Management Inc | 67,645 | $23.9M | 0.01% | +993+1.5% | Added |
| Handelsbanken Fonder AB | 67,034 | $23.7M | 0.07% | +5,585+9.1% | Added |
| Alyeska Investment Group, L.P. | 66,645 | $23.5M | 0.07% | −181,332−73.1% | Reduced |
| Capital International Sarl | 66,641 | $23.5M | 0.38% | −18,123−21.4% | Reduced |
| STRS Ohio | 65,582 | $23.1M | 0.09% | −3,915−5.6% | Reduced |
| Rafferty Asset Management, LLC | 65,568 | $23.1M | 0.08% | −6,192−8.6% | Reduced |
| JLB & Associates Inc | 64,912 | $22.9M | 3.09% | −1,249−1.9% | Reduced |
| LTS One Management LP | 64,700 | $22.8M | 8.82% | +2,200+3.5% | Added |
| Financiere des Professionnels - Fonds d,investissement inc. | 63,703 | $22.5M | 1.27% | +6,742+11.8% | Added |
| Robeco Institutional Asset Management B.V. | 63,195 | $22.3M | 0.03% | +6,721+11.9% | Added |
| National Bank of Canada | 61,526 | $21.7M | 0.02% | −99,998−61.9% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 61,365 | $21.7M | 0.18% | −15,520−20.2% | Reduced |
| MetLife Investment Management | 60,797 | $21.5M | 0.10% | −1,794−2.9% | Reduced |
| Frontier Capital Management Co LLC | 58,593 | $20.7M | 0.22% | −80,860−58.0% | Reduced |
| Managed Asset Portfolios, LLC | 57,831 | $20.4M | 2.46% | +2,953+5.4% | Added |
| Arizona State Retirement System | 57,655 | $20.3M | 0.11% | −2,285−3.8% | Reduced |
| Resona Asset Management Co.,Ltd. | 57,523 | $20.3M | 0.10% | −4,239−6.9% | Reduced |
| Avalon Trust Co | 56,886 | $20.1M | 1.30% | +17,301+43.7% | Added |