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 |
|---|---|---|---|---|---|
| JLB & Associates Inc | 64,912 | $22.9M | 3.09% | −1,249−1.9% | Reduced |
| Rafferty Asset Management, LLC | 65,568 | $23.1M | 0.08% | −6,192−8.6% | Reduced |
| STRS Ohio | 65,582 | $23.1M | 0.09% | −3,915−5.6% | Reduced |
| Capital International Sarl | 66,641 | $23.5M | 0.38% | −18,123−21.4% | Reduced |
| Alyeska Investment Group, L.P. | 66,645 | $23.5M | 0.07% | −181,332−73.1% | Reduced |
| Handelsbanken Fonder AB | 67,034 | $23.7M | 0.07% | +5,585+9.1% | Added |
| Victory Capital Management Inc | 67,645 | $23.9M | 0.01% | +993+1.5% | Added |
| CIBC World Markets Corp | 68,101 | $24.0M | 0.12% | +68,101 | New |
| Lansforsakringar Fondforvaltning AB (publ) | 68,951 | $24.3M | 0.12% | +5,133+8.0% | Added |
| Credit Agricole S A | 69,537 | $24.5M | 0.07% | +9,465+15.8% | Added |
| Barings LLC | 71,077 | $25.1M | 0.46% | +11,444+19.2% | Added |
| State of New Jersey Common Pension Fund D | 71,293 | $25.2M | 0.09% | −832−1.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 71,374 | $25.2M | 0.13% | −44,135−38.2% | Reduced |
| Schroder Investment Management Group | 73,929 | $26.4M | 0.02% | −16,631−18.4% | Reduced |
| LPL Financial LLC | 75,490 | $26.6M | 0.01% | +5,102+7.2% | Added |
| Mn Services Vermogensbeheer B.V. | 75,686 | $26.7M | 0.16% | +2,086+2.8% | Added |
| CI Private Wealth, LLC | 76,111 | $27.0M | 0.04% | +3,667+5.1% | Added |
| Canoe Financial LP | 77,749 | $27.4M | 0.37% | −1,480−1.9% | Reduced |
| TD Asset Management Inc | 78,161 | $27.6M | 0.02% | +82+0.1% | Added |
| Toroso Investments, LLC | 80,290 | $28.3M | 0.12% | −40,769−33.7% | Reduced |
| Walleye Capital LLC | 81,153 | $28.6M | 0.16% | +80,607+14,763.2% | Added |
| Gotham Asset Management, LLC | 81,509 | $28.8M | 0.11% | −1,091−1.3% | Reduced |
| Wellington Management Group LLP | 84,227 | $29.7M | 0.01% | −360,981−81.1% | Reduced |
| Public Employees Retirement System of Ohio | 84,663 | $29.9M | 0.09% | +219+0.3% | Added |
| Royal London Asset Management Ltd | 85,994 | $30.3M | 0.06% | −547−0.6% | Reduced |
| Summit Trail Advisors, LLC | 86,028 | $30.4M | 0.52% | −26,273−23.4% | Reduced |
| Swedbank AB | 87,409 | $30.8M | 0.03% | +4,493+5.4% | Added |
| Treasurer of the State of North Carolina | 87,975 | $31.0M | 0.10% | −6,430−6.8% | Reduced |
| Capital International Inc | 88,460 | $31.2M | 0.25% | −7,776−8.1% | Reduced |
| Dudley & Shanley, Inc. | 88,782 | $31.3M | 5.04% | +50+0.1% | Added |
| CIBC Asset Management Inc | 89,600 | $31.6M | 0.08% | −70,312−44.0% | Reduced |
| Advisors Capital Management, LLC | 90,353 | $31.9M | 0.37% | +989+1.1% | Added |
| LFL Advisers, LLC | 92,657 | $32.7M | 10.73% | +2,511+2.8% | Added |
| KLP Kapitalforvaltning AS | 93,672 | $33.1M | 0.13% | −680−0.7% | Reduced |
| Gateway Investment Advisers LLC | 93,696 | $33.1M | 0.31% | +452+0.5% | Added |
| Pictet Asset Management Holding SA | 93,966 | $33.2M | 0.03% | +1,917+2.1% | Added |
| Asset Management One Co.,Ltd. | 94,545 | $33.7M | 0.09% | −217−0.2% | Reduced |
| APG Asset Management N.V. | 114,203 | $34.3M | 0.10% | −10,200−8.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 97,642 | $34.5M | 0.07% | −2,194−2.2% | Reduced |
| Obermeyer Wood Investment Counsel, LLLP | 98,342 | $34.7M | 1.59% | −2,731−2.7% | Reduced |
| Nippon Life Global Investors Americas, Inc. | 98,970 | $34.9M | 1.45% | +4,240+4.5% | Added |
| Central Securities Corp | 100,000 | $35.3M | 2.84% | 00.0% | Unchanged |
| Korea Investment CORP | 103,939 | $36.7M | 0.07% | −21,614−17.2% | Reduced |
| Broad Run Investment Management, LLC | 106,567 | $37.6M | 6.98% | −500.0% | Reduced |
| Ironvine Capital Partners, LLC | 107,680 | $38.0M | 3.80% | +2,305+2.2% | Added |
| State of Wisconsin Investment Board | 108,259 | $38.2M | 0.09% | −1,184−1.1% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 108,472 | $38.3M | 0.09% | −12,864−10.6% | Reduced |
| M.D. Sass Investors Services, Inc. | 108,531 | $38.3M | 3.02% | +1,233+1.1% | Added |
| Night Owl Capital Management, LLC | 108,774 | $38.4M | 4.21% | +1,751+1.6% | Added |
| Spears Abacus Advisors LLC | 110,849 | $39.1M | 0.73% | +2,736+2.5% | Added |
| Chevy Chase Trust Holdings, Inc. | 112,058 | $39.5M | 0.11% | −1,078−1.0% | Reduced |
| Teacher Retirement System of Texas | 112,281 | $39.6M | 0.14% | +11,947+11.9% | Added |
| The PNC Financial Services Group, Inc. | 114,797 | $40.5M | 0.02% | −3,040−2.6% | Reduced |
| Quantinno Capital Management LP | 116,315 | $41.0M | 0.08% | +43,467+59.7% | Added |
| AMF Pensionsforsakring AB | 119,466 | $42.2M | 0.26% | −7,326−5.8% | Reduced |
| Fiducient Advisors LLC | 119,590 | $42.2M | 5.23% | −145,577−54.9% | Reduced |
| Gluskin Sheff & Assoc Inc | 119,655 | $42.2M | 5.86% | −50,119−29.5% | Reduced |
| TCTC Holdings, LLC | 120,161 | $42.4M | 1.27% | +100+0.1% | Added |
| Danske Bank A/S | 121,060 | $42.7M | 0.10% | +3,128+2.7% | Added |
| Jefferies Financial Group Inc. | 123,030 | $43.4M | 0.36% | +2,382+2.0% | Added |
| Zurich Insurance Group Ltd | 124,889 | $44.1M | 0.31% | +60,175+93.0% | Added |
| HM Payson & Co | 124,963 | $44.1M | 0.62% | −8,058−6.1% | Reduced |
| Davis R M Inc | 126,495 | $44.6M | 0.77% | +253+0.2% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 134,050 | $47.3M | 0.38% | +4,250+3.3% | Added |
| State of Tennessee, Treasury Department | 138,801 | $48.5M | 0.16% | +3,814+2.8% | Added |
| Ninety One UK Ltd | 138,223 | $48.8M | 0.10% | +24,161+21.2% | Added |
| Moore Capital Management, LP | 139,600 | $49.3M | 1.00% | −72,592−34.2% | Reduced |
| Storebrand Asset Management AS | 142,585 | $50.3M | 0.14% | −1,777−1.2% | Reduced |
| SG Americas Securities, LLC | 143,163 | $50.5M | 0.07% | +134,937+1,640.4% | Added |
| Petrus Trust Company, LTA | 144,000 | $50.8M | 5.14% | +7,487+5.5% | Added |
| Stifel Financial Corp | 144,432 | $51.0M | 0.05% | +858+0.6% | Added |
| Ycg, LLC | 151,443 | $53.4M | 4.03% | +179+0.1% | Added |
| Standard Life Aberdeen plc | 153,289 | $54.1M | 0.08% | −2,902−1.9% | Reduced |
| New York State Teachers Retirement System | 155,300 | $54.8M | 0.11% | −522−0.3% | Reduced |
| Prana Capital Management, LP | 156,157 | $55.1M | 2.00% | −184,405−54.1% | Reduced |
| Intech Investment Management LLC | 156,255 | $55.1M | 0.49% | +87,799+128.3% | Added |
| GFI Investment Counsel Ltd. | 167,162 | $59.0M | 6.29% | −434−0.3% | Reduced |
| Nomura Asset Management Co Ltd | 167,846 | $59.2M | 0.15% | +214+0.1% | Added |
| Ninety One North America, Inc. | 176,485 | $62.3M | 2.52% | +31,178+21.5% | Added |
| Nicholas Company, Inc. | 181,402 | $64.0M | 1.12% | −250.0% | Reduced |
| State Board of Administration of Florida Retirement System | 181,412 | $64.0M | 0.11% | −3,770−2.0% | Reduced |
| Point72 Asset Management, L.P. | 188,218 | $66.4M | 0.10% | +6,165+3.4% | Added |
| Gillson Capital LP | 189,000 | $66.7M | 4.36% | +48,339+34.4% | Added |
| HSBC Holdings PLC | 190,679 | $67.7M | 0.04% | +5,890+3.2% | Added |
| CapitalatWork S.A. | 197,854 | $69.8M | 2.13% | +5,636+2.9% | Added |
| Ensign Peak Advisors, Inc | 206,485 | $72.9M | 0.13% | −24,398−10.6% | Reduced |
| Verition Fund Management LLC | 207,562 | $73.2M | 0.40% | +1,831+0.9% | Added |
| Scharf Investments, LLC | 208,111 | $73.4M | 1.97% | −11,977−5.4% | Reduced |
| Alliancebernstein L.P. | 218,495 | $77.1M | 0.02% | −17,265−7.3% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 218,735 | $77.2M | 4.58% | +5,285+2.5% | Added |
| Citigroup Inc | 222,425 | $78.5M | 0.05% | −16,895−7.1% | Reduced |
| Manufacturers Life Insurance Company, The | 232,033 | $81.9M | 0.07% | −15,389−6.2% | Reduced |
| DekaBank Deutsche Girozentrale | 275,444 | $85.0M | 0.16% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 242,632 | $85.6M | 0.11% | −75,464−23.7% | Reduced |
| Raymond James Financial Inc | 246,645 | $87.0M | 0.03% | −13,742−5.3% | Reduced |
| Principal Financial Group Inc | 248,481 | $87.7M | 0.04% | −8,150−3.2% | Reduced |
| Woodline Partners LP | 256,381 | $90.5M | 0.35% | −23,704−8.5% | Reduced |
| Comgest Global Investors S.A.S. | 256,800 | $90.6M | 1.61% | +243,700+1,860.3% | Added |
| BloombergSen Inc. | 262,750 | $92.7M | 9.79% | −20,334−7.2% | Reduced |
| Davenport & Co LLC | 269,360 | $95.3M | 0.52% | −2,532−0.9% | Reduced |