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 2026
Institutional positions in Aon plc as of Mar 31, 2026. 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
- 1,266
- −3 vs. Q4 2025
- Shares held
- 187.6M
- +22.2M (+13.4%) vs. Q4 2025
- Total value
- $60.6B
- +$2.27B (+3.9%) vs. Q4 2025
- New holders
- 142
- 485 more added
- Sold out
- 145
- 417 more reduced
20 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Public Employees Retirement Association of Colorado | 25,766 | $8.32M | 0.03% | −28−0.1% | Reduced |
| Callan Family Office, LLC | 25,719 | $8.30M | 0.19% | +2,567+11.1% | Added |
| Jensen Investment Management Inc | 25,569 | $8.25M | 0.16% | +14,966+141.1% | Added |
| Thrivent Financial for Lutherans | 25,105 | $8.10M | 0.02% | +15,739+168.0% | Added |
| Allstate Corp | 25,006 | $8.07M | 0.09% | +9,370+59.9% | Added |
| US Bancorp | 24,891 | $8.03M | 0.01% | −6,577−20.9% | Reduced |
| Oregon Public Employees Retirement Fund | 24,637 | $7.95M | 0.10% | +42+0.2% | Added |
| M&T Bank Corp | 24,572 | $7.93M | 0.03% | −1,931−7.3% | Reduced |
| Ethic Inc. | 24,563 | $7.93M | 0.12% | +496+2.1% | Added |
| Capital Group Private Client Services, Inc. | 24,516 | $7.91M | 0.13% | −18,055−42.4% | Reduced |
| Qube Research & Technologies Ltd | 24,328 | $7.85M | 0.01% | −30,442−55.6% | Reduced |
| Dash Acquisitions Inc. | 23,289 | $7.73M | 1.61% | +734+3.3% | Added |
| Wealth Enhancement Advisory Services, LLC | 28,622 | $7.61M | 0.02% | −4,042−12.4% | Reduced |
| First Manhattan Co | 23,071 | $7.45M | 0.02% | −2,385−9.4% | Reduced |
| Advisor Group Holdings, Inc. | 23,049 | $7.44M | 0.01% | −421−1.8% | Reduced |
| YHB Investment Advisors, Inc. | 23,048 | $7.44M | 0.53% | −1,487−6.1% | Reduced |
| Hyperion Capital Advisors LP | 23,001 | $7.42M | 3.57% | +23,001 | New |
| Federation des caisses Desjardins du Quebec | 22,989 | $7.42M | 0.03% | +9,398+69.1% | Added |
| Live Oak Private Wealth LLC | 22,945 | $7.41M | 1.03% | +382+1.7% | Added |
| Mutual of America Capital Management LLC | 22,816 | $7.36M | 0.08% | −265−1.1% | Reduced |
| Silvercrest Asset Management Group LLC | 22,735 | $7.34M | 0.05% | −363−1.6% | Reduced |
| FORA Capital, LLC | 22,617 | $7.30M | 0.53% | +14,420+175.9% | Added |
| Empowered Funds, LLC | 22,496 | $7.26M | 0.05% | +3,892+20.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 22,425 | $7.24M | 0.01% | +124+0.6% | Added |
| Warren Averett Asset Management, LLC | 22,073 | $7.12M | 0.05% | +19,804+872.8% | Added |
| Strategy Asset Managers LLC | 21,983 | $7.10M | 1.16% | −529−2.3% | Reduced |
| Fiduciary Group LLC | 21,616 | $6.98M | 0.60% | +194+0.9% | Added |
| Carderock Capital Management Inc | 21,586 | $6.97M | 1.72% | −852−3.8% | Reduced |
| Bleakley Financial Group, LLC | 21,435 | $6.92M | 0.11% | +1,770+9.0% | Added |
| Violich Capital Management, Inc. | 21,365 | $6.90M | 0.81% | −243−1.1% | Reduced |
| Annandale Capital, LLC | 21,032 | $6.79M | 1.11% | +8,413+66.7% | Added |
| Bridgewater Advisors Inc. | 21,857 | $6.79M | 0.40% | +21,857 | New |
| Nordea Investment Management AB | 21,029 | $6.74M | 0.01% | +1,044+5.2% | Added |
| KWMG, LLC | 20,420 | $6.59M | 0.55% | +711+3.6% | Added |
| ASR Vermogensbeheer N.V. | 20,344 | $6.57M | 0.08% | +340+1.7% | Added |
| Bridgewater Associates, LP | 20,219 | $6.53M | 0.03% | +6,851+51.2% | Added |
| Guggenheim Capital LLC | 20,069 | $6.48M | 0.05% | +17,050+564.8% | Added |
| Millennium Management LLC | 19,976 | $6.45M | 0.00% | −616,946−96.9% | Reduced |
| Gerber, LLC | 19,553 | $6.31M | 3.57% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 19,537 | $6.31M | 0.01% | +40+0.2% | Added |
| Commerce Bank | 19,432 | $6.27M | 0.03% | +998+5.4% | Added |
| Abn Amro Investment Solutions | 19,265 | $6.22M | 0.08% | +19,265 | New |
| Obion Capital Management LP | 19,079 | $6.16M | 6.07% | +2,890+17.9% | Added |
| Avanza Fonder AB | 18,957 | $6.12M | 0.17% | 00.0% | Unchanged |
| Savant Capital, LLC | 18,626 | $6.01M | 0.03% | −173−0.9% | Reduced |
| Macquarie Group Ltd | 18,502 | $5.97M | 0.04% | −9,796−34.6% | Reduced |
| Sanctuary Advisors, LLC | 18,119 | $5.85M | 0.03% | +2,366+15.0% | Added |
| Blue Sparrow, LLC | 18,000 | $5.81M | 0.10% | +18,000 | New |
| Commonwealth Equity Services, LLC | 17,879 | $5.77M | 0.01% | −7,889−30.6% | Reduced |
| Haverford Financial Services, Inc. | 17,853 | $5.76M | 1.72% | −4,164−18.9% | Reduced |
| Bell Asset Management Ltd | 17,801 | $5.75M | 1.69% | +1,860+11.7% | Added |
| Susquehanna International Group, LLP | 17,363 | $5.60M | 0.01% | −9,734−35.9% | Reduced |
| Teachers Retirement System of the State of Kentucky | 16,947 | $5.47M | 0.04% | 00.0% | Unchanged |
| Prudential PLC | 16,747 | $5.41M | 0.04% | −4,053−19.5% | Reduced |
| Williams Jones Wealth Management, LLC. | 16,715 | $5.40M | 0.07% | −12,862−43.5% | Reduced |
| Berman McAleer LLC | 16,609 | $5.36M | 0.73% | −40.0% | Reduced |
| Investment Management Corp of Ontario | 16,450 | $5.31M | 0.07% | −922−5.3% | Reduced |
| Graham Capital Management, L.P. | 16,254 | $5.25M | 0.18% | +16,254 | New |
| Wedge Capital Management L L P | 16,077 | $5.19M | 0.10% | −6,732−29.5% | Reduced |
| Sequoia Financial Advisors, LLC | 15,907 | $5.13M | 0.03% | +705+4.6% | Added |
| Gulf International Bank (UK) Ltd | 15,738 | $5.08M | 0.11% | +6,000+61.6% | Added |
| Wealthfront Advisers LLC | 15,672 | $5.06M | 0.01% | +1,262+8.8% | Added |
| Cresset Asset Management, LLC | 15,619 | $5.04M | 0.02% | −155−1.0% | Reduced |
| Kestra Advisory Services, LLC | 15,553 | $5.02M | 0.02% | −3,393−17.9% | Reduced |
| Illinois Municipal Retirement Fund | 15,480 | $5.00M | 0.06% | +768+5.2% | Added |
| Hantz Financial Services, Inc. | 15,434 | $4.98M | 0.08% | −24,836−61.7% | Reduced |
| Johnson Investment Counsel Inc | 14,964 | $4.83M | 0.04% | −2,384−13.7% | Reduced |
| Aptus Capital Advisors, LLC | 14,884 | $4.80M | 0.04% | +13,506+980.1% | Added |
| Motley Fool Wealth Management, LLC | 14,022 | $4.53M | 0.51% | −5,835−29.4% | Reduced |
| Osmosis Investment Management UK Ltd | 13,983 | $4.51M | 0.12% | +674+5.1% | Added |
| Pittenger & Anderson Inc | 13,897 | $4.49M | 0.18% | 00.0% | Unchanged |
| United Capital Financial Advisers, LLC | 13,842 | $4.47M | 0.03% | +8,910+180.7% | Added |
| Entropy Technologies, LP | 13,833 | $4.47M | 0.21% | −24,796−64.2% | Reduced |
| Pacer Advisors, Inc. | 13,647 | $4.41M | 0.01% | −5,857−30.0% | Reduced |
| Trexquant Investment LP | 13,488 | $4.35M | 0.03% | −6,328−31.9% | Reduced |
| Jasper Ridge Partners, L.P. | 13,390 | $4.32M | 0.10% | 00.0% | Unchanged |
| Atria Investments LLC | 13,185 | $4.26M | 0.05% | −796−5.7% | Reduced |
| Integrated Wealth Concepts LLC | 13,107 | $4.23M | 0.03% | +9,029+221.4% | Added |
| Modera Wealth Management, LLC | 13,105 | $4.23M | 0.05% | −160−1.2% | Reduced |
| Northwestern Mutual Wealth Management Co | 13,043 | $4.21M | 0.00% | −26−0.2% | Reduced |
| Mizuho Securities USA LLC | 12,967 | $4.19M | 0.10% | −2,683−17.1% | Reduced |
| Marks Group Wealth Management, Inc | 12,928 | $4.17M | 0.40% | −6,746−34.3% | Reduced |
| Yacktman Asset Management LP | 12,915 | $4.17M | 0.06% | 00.0% | Unchanged |
| Buckhead Capital Management LLC | 12,083 | $3.90M | 1.47% | −226−1.8% | Reduced |
| Norinchukin Bank, The | 12,013 | $3.88M | 0.05% | −84−0.7% | Reduced |
| Gabelli Funds LLC | 11,880 | $3.83M | 0.03% | +5,320+81.1% | Added |
| Rockefeller Capital Management L.P. | 11,845 | $3.82M | 0.01% | +1,397+13.4% | Added |
| Laird Norton Trust Company, LLC | 11,771 | $3.80M | 0.08% | +255+2.2% | Added |
| Ar Asset Management Inc | 11,618 | $3.75M | 0.72% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 11,601 | $3.74M | 0.01% | +11,601 | New |
| Accurate Wealth Management, LLC | 11,832 | $3.70M | 0.45% | +7+0.1% | Added |
| Clearstead Advisors, LLC | 11,444 | $3.69M | 0.03% | +906+8.6% | Added |
| Seascape Capital Management | 11,424 | $3.69M | 1.06% | +394+3.6% | Added |
| Agf Management Ltd | 11,388 | $3.68M | 0.02% | +3,106+37.5% | Added |
| Gsa Capital Partners LLP | 11,353 | $3.67M | 0.23% | +3,346+41.8% | Added |
| Wiley Bros.-Aintree Capital, LLC | 11,213 | $3.62M | 0.02% | −905−7.5% | Reduced |
| MAI Capital Management | 11,210 | $3.62M | 0.02% | +2,178+24.1% | Added |
| Bessemer Group Inc | 11,055 | $3.57M | 0.01% | +712+6.9% | Added |
| Jane Street Group, LLC | 11,026 | $3.56M | 0.00% | +1,990+22.0% | Added |
| Miller Capital Partners, Inc. | 11,008 | $3.55M | 1.72% | +175+1.6% | Added |