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, Q1 2025
Institutional positions in Aon plc as of Mar 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
- 1,276
- +99 vs. Q4 2024
- Shares held
- 193.6M
- +2.23M (+1.2%) vs. Q4 2024
- Total value
- $77.1B
- +$8.37B (+12.2%) vs. Q4 2024
- New holders
- 168
- 469 more added
- Sold out
- 69
- 398 more reduced
19 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rafferty Asset Management, LLC | 70,901 | $28.3M | 0.12% | −5,399−7.1% | Reduced |
| Victory Capital Management Inc | 71,116 | $28.4M | 0.03% | −244−0.3% | Reduced |
| Clark Capital Management Group, Inc. | 71,746 | $28.6M | 0.21% | −85,879−54.5% | Reduced |
| Franklin Resources Inc | 73,159 | $29.2M | 0.01% | +5,854+8.7% | Added |
| GM Advisory Group, Inc. | 73,209 | $29.2M | 1.58% | −12,980−15.1% | Reduced |
| Teacher Retirement System of Texas | 73,217 | $29.2M | 0.12% | +367+0.5% | Added |
| Mn Services Vermogensbeheer B.V. | 74,000 | $29.5M | 0.23% | −4,700−6.0% | Reduced |
| Capital International Sarl | 75,771 | $30.2M | 0.68% | +7,631+11.2% | Added |
| D. E. Shaw & Co., Inc. | 81,928 | $32.7M | 0.04% | −116,674−58.7% | Reduced |
| Public Employees Retirement System of Ohio | 82,520 | $32.9M | 0.12% | −2,587−3.0% | Reduced |
| Advisors Capital Management, LLC | 83,379 | $33.3M | 0.51% | +1,614+2.0% | Added |
| Canoe Financial LP | 83,679 | $33.4M | 0.54% | +25,570+44.0% | Added |
| KLP Kapitalforvaltning AS | 84,252 | $33.6M | 0.16% | +100+0.1% | Added |
| TD Asset Management Inc | 84,295 | $33.6M | 0.03% | −4,408−5.0% | Reduced |
| LFL Advisers, LLC | 85,047 | $33.9M | 14.85% | −2,249−2.6% | Reduced |
| Asset Management One Co.,Ltd. | 86,958 | $34.7M | 0.12% | +3,857+4.6% | Added |
| CI Private Wealth, LLC | 88,362 | $35.3M | 0.06% | −7,698−8.0% | Reduced |
| Dudley & Shanley, Inc. | 88,637 | $35.4M | 5.57% | −5,190−5.5% | Reduced |
| Danske Bank A/S | 88,701 | $35.4M | 0.11% | −30,932−25.9% | Reduced |
| Treasurer of the State of North Carolina | 89,868 | $35.9M | 0.14% | −8,837−9.0% | Reduced |
| Hudson Bay Capital Management LP | 90,070 | $35.9M | 0.23% | +90,070 | New |
| Oribel Capital Management, LP | 90,100 | $36.0M | 4.47% | +29,942+49.8% | Added |
| Royal London Asset Management Ltd | 90,223 | $36.0M | 0.09% | +7,505+9.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 91,624 | $36.6M | 0.10% | −4,924−5.1% | Reduced |
| Gateway Investment Advisers LLC | 93,632 | $37.4M | 0.43% | +108+0.1% | Added |
| Border to Coast Pensions Partnership Ltd | 98,017 | $39.1M | 0.80% | +12,105+14.1% | Added |
| Central Securities Corp | 100,000 | $39.9M | 3.80% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 102,615 | $41.0M | 0.05% | −39,567−27.8% | Reduced |
| Obermeyer Wood Investment Counsel, LLLP | 104,919 | $41.9M | 2.23% | −3,171−2.9% | Reduced |
| Ironvine Capital Partners, LLC | 105,063 | $41.9M | 4.55% | −1,874−1.8% | Reduced |
| Susquehanna Fundamental Investments, LLC | 105,409 | $42.1M | 0.70% | +200+0.2% | Added |
| Spears Abacus Advisors LLC | 107,698 | $43.0M | 0.93% | −8,312−7.2% | Reduced |
| APG Asset Management N.V. | 120,000 | $44.3M | 0.14% | −1,700−1.4% | Reduced |
| State of Wisconsin Investment Board | 111,280 | $44.4M | 0.11% | +3,645+3.4% | Added |
| Summit Trail Advisors, LLC | 111,380 | $44.5M | 1.47% | −1,686−1.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 113,994 | $45.5M | 0.31% | +74,361+187.6% | Added |
| Schroder Investment Management Group | 115,313 | $45.5M | 0.05% | +11,134+10.7% | Added |
| Chevy Chase Trust Holdings, Inc. | 116,496 | $46.5M | 0.15% | −64−0.1% | Reduced |
| The PNC Financial Services Group, Inc. | 116,802 | $46.6M | 0.02% | −16,144−12.1% | Reduced |
| Broad Run Investment Management, LLC | 117,085 | $46.7M | 7.80% | −44,091−27.4% | Reduced |
| Petrus Trust Company, LTA | 117,500 | $46.9M | 4.38% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 117,618 | $46.9M | 0.18% | −5,230−4.3% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 118,184 | $47.2M | 0.12% | −3,018−2.5% | Reduced |
| TCTC Holdings, LLC | 120,061 | $47.9M | 1.69% | +350.0% | Added |
| Vontobel Holding Ltd. | 122,598 | $48.9M | 0.18% | −28,817−19.0% | Reduced |
| Ceredex Value Advisors LLC | 125,159 | $49.9M | 1.09% | −2,993−2.3% | Reduced |
| Davis R M Inc | 125,288 | $50.0M | 1.00% | −381−0.3% | Reduced |
| Colony Group, LLC | 125,834 | $50.2M | 0.13% | +27,272+27.7% | Added |
| Pensioenfonds Rail & Ov | 128,522 | $51.3M | 3.55% | −5,253−3.9% | Reduced |
| Manufacturers Life Insurance Company, The | 128,655 | $51.3M | 0.05% | −860,330−87.0% | Reduced |
| Markel Group Inc.SuperinvestorMarkel Group | 129,450 | $51.7M | 0.46% | +3,250+2.6% | Added |
| Korea Investment CORP | 129,475 | $51.7M | 0.13% | +18,274+16.4% | Added |
| HM Payson & Co | 129,656 | $51.7M | 0.91% | +1,413+1.1% | Added |
| Gluskin Sheff & Assoc Inc | 133,943 | $53.5M | 6.89% | −19,882−12.9% | Reduced |
| Jefferies Financial Group Inc. | 135,419 | $54.0M | 0.93% | +129,755+2,290.9% | Added |
| M.D. Sass Investors Services, Inc. | 140,434 | $56.0M | 4.93% | −30,907−18.0% | Reduced |
| Storebrand Asset Management AS | 142,989 | $57.1M | 0.19% | −8,368−5.5% | Reduced |
| Standard Life Aberdeen plc | 144,136 | $57.2M | 0.11% | +74,913+108.2% | Added |
| Stifel Financial Corp | 144,087 | $57.5M | 0.06% | −5,239−3.5% | Reduced |
| Ycg, LLC | 148,016 | $59.1M | 4.63% | −866−0.6% | Reduced |
| HSBC Holdings PLC | 152,392 | $60.3M | 0.04% | +48,309+46.4% | Added |
| CapitalatWork S.A. | 155,586 | $62.1M | 2.01% | −1,361−0.9% | Reduced |
| New York State Teachers Retirement System | 156,468 | $62.4M | 0.14% | −10,065−6.0% | Reduced |
| Night Owl Capital Management, LLC | 158,553 | $63.3M | 7.91% | +5,903+3.9% | Added |
| GFI Investment Counsel Ltd. | 163,336 | $65.2M | 7.58% | +3,209+2.0% | Added |
| Voloridge Investment Management, LLC | 164,087 | $65.5M | 0.24% | +31,935+24.2% | Added |
| Adage Capital Partners GP, L.L.C. | 170,969 | $68.2M | 0.13% | +78,900+85.7% | Added |
| Nomura Asset Management Co Ltd | 173,944 | $69.4M | 0.21% | +4,351+2.6% | Added |
| CIBC Asset Management Inc | 176,073 | $70.2M | 0.23% | −12,128−6.4% | Reduced |
| Frontier Capital Management Co LLC | 178,972 | $71.4M | 0.78% | +34,935+24.3% | Added |
| Capital Group Private Client Services, Inc. | 185,244 | $73.9M | 0.72% | −8,206−4.2% | Reduced |
| State Board of Administration of Florida Retirement System | 187,332 | $74.8M | 0.15% | 00.0% | Unchanged |
| Junto Capital Management LP | 188,993 | $75.4M | 1.73% | +188,993 | New |
| Squarepoint Ops LLC | 195,966 | $78.2M | 0.19% | +128,118+188.8% | Added |
| Nicholas Company, Inc. | 197,787 | $78.9M | 1.37% | −30,518−13.4% | Reduced |
| National Bank of Canada | 211,789 | $84.5M | 0.10% | −42,792−16.8% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 213,450 | $85.2M | 4.53% | −47,500−18.2% | Reduced |
| Alliancebernstein L.P. | 216,149 | $86.3M | 0.03% | −492−0.2% | Reduced |
| Qube Research & Technologies Ltd | 225,262 | $89.9M | 0.14% | +171,883+322.0% | Added |
| Scharf Investments, LLC | 230,457 | $92.0M | 2.78% | −5,866−2.5% | Reduced |
| Bowie Capital Management, LLC | 231,871 | $92.5M | 4.69% | −39,121−14.4% | Reduced |
| Altrinsic Global Advisors LLC | 236,234 | $94.3M | 4.65% | −1,137−0.5% | Reduced |
| Citigroup Inc | 236,517 | $94.4M | 0.07% | +107,714+83.6% | Added |
| Lord, Abbett & Co. LLC | 242,715 | $96.9M | 0.35% | +3,564+1.5% | Added |
| Verition Fund Management LLC | 244,073 | $97.4M | 0.56% | −25,195−9.4% | Reduced |
| Aviva PLC | 249,652 | $99.6M | 0.24% | −6,108−2.4% | Reduced |
| Prana Capital Management, LP | 252,614 | $100.8M | 4.10% | +121,451+92.6% | Added |
| Ensign Peak Advisors, Inc | 259,518 | $103.6M | 0.20% | +58,513+29.1% | Added |
| Principal Financial Group Inc | 265,462 | $105.9M | 0.06% | −1,912−0.7% | Reduced |
| DekaBank Deutsche Girozentrale | 275,109 | $107.6M | 0.21% | −335−0.1% | Reduced |
| Raymond James Financial Inc | 272,072 | $108.6M | 0.04% | +31,413+13.1% | Added |
| Davenport & Co LLC | 276,133 | $109.9M | 0.65% | −2,000−0.7% | Reduced |
| Citadel Advisors LLC | 282,699 | $112.8M | 0.11% | +255,699+947.0% | Added |
| T. Rowe Price Investment Management, Inc. | 284,411 | $113.5M | 0.08% | +284,411 | New |
| Natixis Advisors, L.P. | 286,512 | $114.3M | 0.21% | +6,348+2.3% | Added |
| Wealthspire Advisors, LLC | 288,132 | $115.0M | 0.69% | −8,730−2.9% | Reduced |
| Russell Investments Group, Ltd. | 288,306 | $115.0M | 0.16% | +34,821+13.7% | Added |
| BloombergSen Inc. | 289,525 | $115.5M | 9.98% | −5,081−1.7% | Reduced |
| California State Teachers Retirement System | 309,812 | $123.6M | 0.15% | −4,482−1.4% | Reduced |
| New York State Common Retirement Fund | 319,778 | $127.6M | 0.19% | +38,277+13.6% | Added |