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, Q3 2025
Institutional positions in Aon plc as of Sep 30, 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
- 1,255
- +42 vs. Q2 2025
- Shares held
- 186.0M
- −1.74M (−0.9%) vs. Q2 2025
- Total value
- $66.3B
- −$638.0M (−1.0%) vs. Q2 2025
- New holders
- 127
- 477 more added
- Sold out
- 85
- 401 more reduced
20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Williams Jones Wealth Management, LLC. | 35,797 | $12.8M | 0.15% | −14,094−28.2% | Reduced |
| KBC Group NV | 36,233 | $12.9M | 0.03% | +4,035+12.5% | Added |
| Pathstone Holdings, LLC | 37,413 | $13.3M | 0.05% | +176+0.5% | Added |
| 1832 Asset Management L.P. | 37,997 | $13.5M | 0.02% | +3,992+11.7% | Added |
| Swiss Life Asset Management Ltd | 38,449 | $13.7M | 0.07% | – | – |
| Boston Common Asset Management, LLC | 39,365 | $14.0M | 0.39% | +4,532+13.0% | Added |
| DnB Asset Management AS | 39,483 | $14.1M | 0.05% | +2,863+7.8% | Added |
| Avalon Trust Co | 39,585 | $14.1M | 0.92% | −196−0.5% | Reduced |
| Corsair Capital Management, L.P. | 39,746 | $14.2M | 2.51% | −622−1.5% | Reduced |
| Stephens Inc | 40,222 | $14.3M | 0.18% | −563−1.4% | Reduced |
| Cerity Partners LLC | 40,399 | $14.4M | 0.02% | +2,796+7.4% | Added |
| Artemis Investment Management LLP | 40,829 | $14.6M | 0.18% | −23,346−36.4% | Reduced |
| HighTower Advisors, LLC | 40,965 | $14.6M | 0.02% | +2,242+5.8% | Added |
| Varma Mutual Pension Insurance Co | 41,000 | $14.6M | 0.09% | +3,300+8.8% | Added |
| Mariner, LLC | 41,520 | $14.8M | 0.02% | +814+2.0% | Added |
| GM Advisory Group, Inc. | 41,709 | $14.9M | 0.63% | 00.0% | Unchanged |
| Capital International Ltd | 42,254 | $15.1M | 0.55% | +856+2.1% | Added |
| ProShare Advisors LLC | 43,271 | $15.4M | 0.03% | −4,528−9.5% | Reduced |
| Lighthouse Investment Partners, LLC | 43,478 | $15.5M | 0.56% | +43,478 | New |
| Oppenheimer Asset Management Inc. | 44,025 | $15.7M | 0.17% | −6,626−13.1% | Reduced |
| Capital Group Private Client Services, Inc. | 44,787 | $16.0M | 0.27% | −134,405−75.0% | Reduced |
| Kornitzer Capital Management Inc | 44,866 | $16.0M | 0.32% | 00.0% | Unchanged |
| Retirement Systems of Alabama | 45,996 | $16.4M | 0.05% | −341−0.7% | Reduced |
| Public Sector Pension Investment Board | 46,530 | $16.6M | 0.06% | +2,055+4.6% | Added |
| AXA Investment Managers S.A. | 47,764 | $17.0M | 0.05% | +47,764 | New |
| Forsta Ap-Fonden | 48,000 | $17.1M | 0.10% | +5,400+12.7% | Added |
| Amalgamated Bank | 48,275 | $17.2M | 0.12% | +477+1.0% | Added |
| Cullen/Frost Bankers, Inc. | 48,303 | $17.2M | 0.20% | +337+0.7% | Added |
| Hantz Financial Services, Inc. | 48,394 | $17.3M | 0.26% | −12,511−20.5% | Reduced |
| CIBC World Markets Inc. | 48,997 | $17.5M | 0.04% | +1,699+3.6% | Added |
| Global Frontier Investments LLC | 49,000 | $17.5M | 3.37% | 00.0% | Unchanged |
| Xponance, Inc. | 50,563 | $18.0M | 0.14% | −769−1.5% | Reduced |
| Nisa Investment Advisors, LLC | 50,909 | $18.2M | 0.07% | −5,076−9.1% | Reduced |
| Factory Mutual Insurance Co | 51,000 | $18.2M | 0.18% | +5,000+10.9% | Added |
| Cubist Systematic Strategies, LLC | 51,328 | $18.3M | 0.26% | +51,328 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 51,780 | $18.5M | 0.09% | −1,180−2.2% | Reduced |
| Brinker Capital Investments, LLC | 51,962 | $18.5M | 0.14% | −8,887−14.6% | Reduced |
| Glenmede Investment Management, LP | 52,627 | $18.8M | 0.09% | −4,960−8.6% | Reduced |
| Czech National Bank | 54,765 | $19.5M | 0.13% | +1,982+3.8% | Added |
| Managed Asset Portfolios, LLC | 54,878 | $19.6M | 2.42% | +598+1.1% | Added |
| Abner Herrman & Brock LLC | 55,281 | $19.7M | 2.03% | −506−0.9% | Reduced |
| Picton Mahoney Asset Management | 55,589 | $19.8M | 0.25% | +2,776+5.3% | Added |
| Engineers Gate Manager LP | 56,215 | $20.0M | 0.23% | +55,364+6,505.8% | Added |
| Robeco Institutional Asset Management B.V. | 56,474 | $20.1M | 0.03% | −701−1.2% | Reduced |
| Financiere des Professionnels - Fonds d,investissement inc. | 56,961 | $20.3M | 1.17% | −594−1.0% | Reduced |
| Sone Capital Management, LLC | 58,161 | $20.7M | 1.74% | +58,161 | New |
| CIBC Bancorp USA Inc. | 58,181 | $20.7M | 0.13% | +58,181 | New |
| State of Michigan Retirement System | 58,358 | $20.8M | 0.10% | −400−0.7% | Reduced |
| Bank of Nova Scotia | 59,174 | $21.1M | 0.04% | +11,395+23.8% | Added |
| Susquehanna International Group, LLP | 59,306 | $21.1M | 0.03% | −18,102−23.4% | Reduced |
| Barings LLC | 59,633 | $21.3M | 0.40% | +55,186+1,241.0% | Added |
| Arizona State Retirement System | 59,940 | $21.4M | 0.11% | +3,109+5.5% | Added |
| Credit Agricole S A | 60,072 | $21.4M | 0.07% | +60,072 | New |
| Handelsbanken Fonder AB | 61,449 | $21.9M | 0.07% | +970+1.6% | Added |
| Resona Asset Management Co.,Ltd. | 61,762 | $22.0M | 0.10% | +240.0% | Added |
| LTS One Management LP | 62,500 | $22.3M | 7.94% | −19,250−23.5% | Reduced |
| MetLife Investment Management | 62,591 | $22.3M | 0.11% | −1,164−1.8% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 63,818 | $22.8M | 0.12% | +1,891+3.1% | Added |
| Zurich Insurance Group Ltd | 64,714 | $23.1M | 0.16% | +64,714 | New |
| JLB & Associates Inc | 66,161 | $23.6M | 3.10% | −807−1.2% | Reduced |
| Victory Capital Management Inc | 66,652 | $23.8M | 0.01% | −2,045−3.0% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 67,536 | $24.1M | 0.04% | +58,929+684.7% | Added |
| Intech Investment Management LLC | 68,456 | $24.4M | 0.22% | +22,899+50.3% | Added |
| STRS Ohio | 69,497 | $24.8M | 0.09% | −1,742−2.4% | Reduced |
| LPL Financial LLC | 70,388 | $25.1M | 0.01% | +9,170+15.0% | Added |
| Twinbeech Capital LP | 70,956 | $25.3M | 1.00% | +70,956 | New |
| Caisse de Depot Et Placement du Quebec | 71,268 | $25.4M | 0.05% | +71,268 | New |
| Rafferty Asset Management, LLC | 71,760 | $25.6M | 0.08% | −300.0% | Reduced |
| State of New Jersey Common Pension Fund D | 72,125 | $25.7M | 0.09% | +6,506+9.9% | Added |
| CI Private Wealth, LLC | 72,444 | $25.8M | 0.04% | −8,102−10.1% | Reduced |
| Quantinno Capital Management LP | 72,848 | $26.0M | 0.07% | +32,804+81.9% | Added |
| Mn Services Vermogensbeheer B.V. | 73,600 | $26.2M | 0.17% | +900+1.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 73,451 | $27.0M | 0.04% | +46,347+171.0% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 76,885 | $27.4M | 0.24% | +3,800+5.2% | Added |
| TD Asset Management Inc | 78,079 | $27.8M | 0.02% | −102−0.1% | Reduced |
| Franklin Resources Inc | 78,227 | $27.9M | 0.01% | +7,340+10.4% | Added |
| Canoe Financial LP | 79,229 | $28.3M | 0.40% | −7,600−8.8% | Reduced |
| D. E. Shaw & Co., Inc. | 79,240 | $28.3M | 0.02% | −93,729−54.2% | Reduced |
| Gotham Asset Management, LLC | 82,600 | $29.5M | 0.13% | +47,900+138.0% | Added |
| Swedbank AB | 82,916 | $29.6M | 0.03% | +24,429+41.8% | Added |
| Public Employees Retirement System of Ohio | 84,444 | $30.1M | 0.10% | −2,282−2.6% | Reduced |
| Capital International Sarl | 84,764 | $30.2M | 0.52% | +5,502+6.9% | Added |
| Royal London Asset Management Ltd | 86,541 | $30.9M | 0.07% | −307−0.4% | Reduced |
| Dudley & Shanley, Inc. | 88,732 | $31.6M | 5.09% | +100+0.1% | Added |
| Advisors Capital Management, LLC | 89,364 | $31.9M | 0.39% | +1,808+2.1% | Added |
| Schroder Investment Management Group | 90,560 | $32.1M | 0.03% | −2,523−2.7% | Reduced |
| LFL Advisers, LLC | 90,146 | $32.1M | 11.13% | +2,615+3.0% | Added |
| Pictet Asset Management Holding SA | 92,049 | $32.8M | 0.03% | +516+0.6% | Added |
| Gateway Investment Advisers LLC | 93,244 | $33.2M | 0.32% | −124−0.1% | Reduced |
| KLP Kapitalforvaltning AS | 94,352 | $33.6M | 0.13% | +9,100+10.7% | Added |
| Treasurer of the State of North Carolina | 94,405 | $33.7M | 0.10% | −3,679−3.8% | Reduced |
| Nippon Life Global Investors Americas, Inc. | 94,730 | $33.8M | 1.42% | +59,620+169.8% | Added |
| Asset Management One Co.,Ltd. | 94,762 | $33.8M | 0.10% | +4,812+5.3% | Added |
| Two Sigma Investments, LP | 95,683 | $34.1M | 0.05% | −533,872−84.8% | Reduced |
| Capital International Inc | 96,236 | $34.3M | 0.27% | +12,886+15.5% | Added |
| Squarepoint Ops LLC | 98,196 | $35.0M | 0.07% | +33,189+51.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 99,836 | $35.6M | 0.08% | +3,761+3.9% | Added |
| Central Securities Corp | 100,000 | $35.7M | 2.94% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 100,334 | $35.8M | 0.14% | +4,822+5.0% | Added |
| Obermeyer Wood Investment Counsel, LLLP | 101,073 | $36.0M | 1.69% | −1,429−1.4% | Reduced |