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 2021
Institutional positions in Aon plc as of Sep 30, 2021. 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
- 917
- +19 vs. Q2 2021
- Shares held
- 200.2M
- −23.0M (−10.3%) vs. Q2 2021
- Total value
- $57.2B
- +$3.91B (+7.3%) vs. Q2 2021
- New holders
- 104
- 293 more added
- Sold out
- 85
- 350 more reduced
14 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 2,928,199 | $836.8M | 0.37% | −1,106,759−27.4% | Reduced |
| Longview Partners (Guernsey) LTD | 2,953,887 | $844.1M | 5.32% | −523,059−15.0% | Reduced |
| Northern Trust Corp | 3,001,404 | $857.7M | 0.15% | +181,554+6.4% | Added |
| Independent Franchise Partners LLP | 3,162,501 | $903.7M | 7.10% | −236,352−7.0% | Reduced |
| Geode Capital Management, LLC | 4,113,350 | $1.17B | 0.16% | +166,198+4.2% | Added |
| Capital World Investors | 4,235,708 | $1.21B | 0.21% | +1,244,515+41.6% | Added |
| Berkshire Hathaway IncSuperinvestorBerkshire Hathaway | 4,396,000 | $1.26B | 0.43% | 00.0% | Unchanged |
| WCM Investment Management, LLC | 4,587,280 | $1.31B | 3.03% | −32,443−0.7% | Reduced |
| Lazard Asset Management LLC | 5,813,900 | $1.66B | 1.87% | −225,921−3.7% | Reduced |
| Mawer Investment Management Ltd. | 6,090,320 | $1.74B | 8.34% | +39,608+0.7% | Added |
| Eagle Capital Management LLC | 6,346,716 | $1.81B | 5.33% | −213,684−3.3% | Reduced |
| Capital International Investors | 7,277,126 | $2.08B | 0.48% | −530,480−6.8% | Reduced |
| State Street Corp | 9,938,611 | $2.84B | 0.15% | +600,205+6.4% | Added |
| BlackRock Inc. | 16,084,342 | $4.60B | 0.13% | −458,717−2.8% | Reduced |
| Vanguard Group Inc | 17,052,701 | $4.87B | 0.12% | +96,676+0.6% | Added |
| Massachusetts Financial Services Co | 18,693,057 | $5.34B | 1.56% | −781,309−4.0% | Reduced |
| Sofos Investments, Inc. | 8 | – | – | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 0 | $0 | 0.00% | −2,903,054−100.0% | Sold out |
| EdgePoint Investment Group Inc. | 0 | $0 | 0.00% | −2,413,627−100.0% | Sold out |
| Meritage Group LP | 0 | $0 | 0.00% | −841,972−100.0% | Sold out |
| Southpoint Capital Advisors LP | 0 | $0 | 0.00% | −750,000−100.0% | Sold out |
| Pentwater Capital Management LP | 0 | $0 | 0.00% | −401,388−100.0% | Sold out |
| Prana Capital Management, LP | 0 | $0 | 0.00% | −238,155−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −233,159−100.0% | Sold out |
| Maverick Capital LtdSuperinvestorMaverick Capital | 0 | $0 | 0.00% | −215,281−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −160,100−100.0% | Sold out |
| Echo Street Capital Management LLC | 0 | $0 | 0.00% | −123,956−100.0% | Sold out |
| Governors Lane LP | 0 | $0 | 0.00% | −97,665−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −89,667−100.0% | Sold out |
| Aryeh Capital Management Ltd. | 0 | $0 | 0.00% | −88,100−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −54,659−100.0% | Sold out |
| BP PLC | 0 | $0 | 0.00% | −51,114−100.0% | Sold out |
| Dana Investment Advisors, Inc. | 0 | $0 | 0.00% | −46,614−100.0% | Sold out |
| Pinebridge Investments, L.P. | 0 | $0 | 0.00% | −44,178−100.0% | Sold out |
| Sit Investment Associates Inc | 0 | $0 | 0.00% | −42,470−100.0% | Sold out |
| DSAM Partners (London) Ltd | 0 | $0 | 0.00% | −42,000−100.0% | Sold out |
| Bluefin Capital Management, LLC | 0 | $0 | 0.00% | −36,007−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −34,860−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −29,577−100.0% | Sold out |
| Iridian Asset Management LLC | 0 | $0 | 0.00% | −29,425−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −27,765−100.0% | Sold out |
| BlueMar Capital Management, LLC | 0 | $0 | 0.00% | −20,497−100.0% | Sold out |
| SRN Advisors, LLC | 0 | $0 | 0.00% | −17,283−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −17,126−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −16,796−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −16,116−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −15,006−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −13,515−100.0% | Sold out |
| Orbis Allan Gray Ltd | 0 | $0 | 0.00% | −11,929−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −11,814−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −11,431−100.0% | Sold out |
| Harvest Management LLC | 0 | $0 | 0.00% | −9,700−100.0% | Sold out |
| Sepio Capital, LP | 0 | $0 | 0.00% | −8,924−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −7,471−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −5,332−100.0% | Sold out |
| Stevens Capital Management LP | 0 | $0 | 0.00% | −4,943−100.0% | Sold out |
| Lee Capital Holdings LLC | 0 | $0 | 0.00% | −4,925−100.0% | Sold out |
| Alpha Paradigm Partners, LLC | 0 | $0 | 0.00% | −4,110−100.0% | Sold out |
| Level Four Advisory Services, LLC | 0 | $0 | 0.00% | −3,969−100.0% | Sold out |
| Kemnay Advisory Services Inc. | 0 | $0 | 0.00% | −3,161−100.0% | Sold out |
| Strategic Investment Advisors | 0 | $0 | 0.00% | −3,074−100.0% | Sold out |
| Lancaster Investment Management | 0 | $0 | 0.00% | −2,911−100.0% | Sold out |
| Lombard Odier Asset Management (Switzerland) SA | 0 | $0 | 0.00% | −2,895−100.0% | Sold out |
| Marino, Stram & Associates LLC | 0 | $0 | 0.00% | −2,526−100.0% | Sold out |
| Donaldson Capital Management, LLC | 0 | $0 | 0.00% | −2,485−100.0% | Sold out |
| AGF Investments LLC | 0 | $0 | 0.00% | −2,414−100.0% | Sold out |
| Truadvice, LLC | 0 | $0 | 0.00% | −2,206−100.0% | Sold out |
| Standard Family Office LLC | 0 | $0 | 0.00% | −2,347−100.0% | Sold out |
| KC Investment Advisors, LLC | 0 | $0 | 0.00% | −2,287−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −2,091−100.0% | Sold out |
| Integrated Advisors Network LLC | 0 | $0 | 0.00% | −1,771−100.0% | Sold out |
| Enlightenment Research, LLC | 0 | $0 | 0.00% | −1,600−100.0% | Sold out |
| Weld Capital Management LLC | 0 | $0 | 0.00% | −1,563−100.0% | Sold out |
| Measured Wealth Private Client Group, LLC | 0 | $0 | 0.00% | −1,481−100.0% | Sold out |
| Seelaus Asset Management LLC | 0 | $0 | 0.00% | −1,400−100.0% | Sold out |
| Northeast Investment Management | 0 | $0 | 0.00% | −1,332−100.0% | Sold out |
| Quantamental Technologies LLC | 0 | $0 | 0.00% | −1,322−100.0% | Sold out |
| qPULA Trading Management LP | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| Chesapeake Wealth Management | 0 | $0 | 0.00% | −1,133−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −998−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −984−100.0% | Sold out |
| Kestra Private Wealth Services, LLC | 0 | $0 | 0.00% | −895−100.0% | Sold out |
| Colonial Trust Advisors | 0 | $0 | 0.00% | −850−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −848−100.0% | Sold out |
| Agf Investments Inc. | 0 | $0 | 0.00% | −776−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −520−100.0% | Sold out |
| Savior LLC | 0 | $0 | 0.00% | −316−100.0% | Sold out |
| Bay Harbor Wealth Management, LLC | 0 | $0 | 0.00% | −293−100.0% | Sold out |
| Cary Street Partner Investment Advisory LLC | 0 | $0 | 0.00% | −280−100.0% | Sold out |
| GeoWealth Management, LLC | 0 | $0 | 0.00% | −271−100.0% | Sold out |
| Gemmer Asset Management LLC | 0 | $0 | 0.00% | −164−100.0% | Sold out |
| Pinnacle Financial Partners Inc | 0 | $0 | 0.00% | −147−100.0% | Sold out |
| Lloyd Advisory Services, LLC. | 0 | $0 | 0.00% | −138−100.0% | Sold out |
| WealthShield Partners, LLC | 0 | $0 | 0.00% | −126−100.0% | Sold out |
| Trust Co of Vermont | 0 | $0 | 0.00% | −61−100.0% | Sold out |
| Institutional & Family Asset Management, LLC | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Sandy Spring Bank | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Reilly Financial Advisors, LLC | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| Pacifica Partners Inc. | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Summit Wealth Group, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |