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 2023
Institutional positions in Aon plc as of Sep 30, 2023. 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
- 1,048
- +35 vs. Q2 2023
- Shares held
- 174.0M
- −3.24M (−1.8%) vs. Q2 2023
- Total value
- $56.4B
- −$4.68B (−7.7%) vs. Q2 2023
- New holders
- 99
- 362 more added
- Sold out
- 64
- 380 more reduced
11 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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 | 1,265 | $60.6B |
| Q4 2025 | 1,288 | $66.7B |
| Q3 2025 | 1,254 | $66.3B |
| Q2 2025 | 1,232 | $69.3B |
| Q1 2025 | 1,275 | $77.1B |
| Q4 2024 | 1,195 | $69.1B |
| Q3 2024 | 1,148 | $66.1B |
| Q2 2024 | 1,110 | $55.4B |
| Q1 2024 | 1,086 | $57.4B |
| Q4 2023 | 1,066 | $49.8B |
| Q3 2023 | 1,048 | $56.4B |
| Q2 2023 | 1,024 | $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 2023
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 17,558,411 | $5.69B | 0.14% | −19,632−0.1% | Reduced |
| Massachusetts Financial Services Co | 13,611,164 | $4.41B | 1.55% | −1,597,957−10.5% | Reduced |
| BlackRock Inc. | 13,138,173 | $4.26B | 0.12% | −621,677−4.5% | Reduced |
| Capital World Investors | 9,775,993 | $3.17B | 0.63% | +181,740+1.9% | Added |
| State Street Corp | 8,046,835 | $2.61B | 0.14% | −309,837−3.7% | Reduced |
| Morgan Stanley | 5,759,930 | $1.87B | 0.19% | −83,472−1.4% | Reduced |
| Capital International Investors | 5,502,384 | $1.78B | 0.45% | −129,789−2.3% | Reduced |
| WCM Investment Management, LLC | 4,914,189 | $1.59B | 4.68% | −119,390−2.4% | Reduced |
| Mawer Investment Management Ltd. | 4,500,369 | $1.46B | 7.80% | −92,729−2.0% | Reduced |
| Lazard Asset Management LLC | 4,479,652 | $1.45B | 1.98% | +50,290+1.1% | Added |
| Berkshire Hathaway IncSuperinvestorBerkshire Hathaway | 4,100,000 | $1.33B | 0.42% | −235,000−5.4% | Reduced |
| Geode Capital Management, LLC | 3,754,215 | $1.21B | 0.14% | −391,002−9.4% | Reduced |
| Sustainable Growth Advisers, LP | 2,465,882 | $799.5M | 4.06% | −81,520−3.2% | Reduced |
| Northern Trust Corp | 2,244,909 | $727.8M | 0.14% | +18,500+0.8% | Added |
| GQG Partners LLC | 2,191,462 | $710.5M | 1.64% | −43,089−1.9% | Reduced |
| Bank of America Corp | 2,141,563 | $694.3M | 0.09% | −10,149−0.5% | Reduced |
| Neuberger Berman Group LLC | 2,128,337 | $690.1M | 0.63% | −255,142−10.7% | Reduced |
| Mackenzie Financial Corp | 2,151,894 | $686.5M | 1.15% | −56,852−2.6% | Reduced |
| Independent Franchise Partners LLP | 2,026,365 | $657.0M | 5.70% | −13,846−0.7% | Reduced |
| Bank of New York Mellon Corp | 1,868,263 | $605.7M | 0.13% | −105,275−5.3% | Reduced |
| Longview Partners (Guernsey) LTD | 1,831,003 | $593.6M | 4.21% | +5,601+0.3% | Added |
| Eagle Capital Management LLC | 1,740,289 | $564.2M | 2.61% | −66,420−3.7% | Reduced |
| FMR LLC | 1,523,946 | $494.1M | 0.04% | +55,703+3.8% | Added |
| Legal & General Group Plc | 1,394,387 | $452.1M | 0.16% | −50,854−3.5% | Reduced |
| Artisan Partners Limited Partnership | 1,311,515 | $425.2M | 0.72% | +7,093+0.5% | Added |
| UBS Asset Management Americas Inc | 1,308,359 | $424.2M | 0.19% | +65,623+5.3% | Added |
| Invesco Ltd. | 1,302,804 | $422.4M | 0.11% | −423,202−24.5% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 1,289,621 | $418.1M | 0.85% | +90,036+7.5% | Added |
| Cantillon Capital Management LLC | 1,249,967 | $405.3M | 3.01% | −4,881−0.4% | Reduced |
| Boston Partners | 1,212,143 | $392.5M | 0.54% | −304,765−20.1% | Reduced |
| Price T Rowe Associates Inc | 1,119,338 | $362.9M | 0.05% | −20,095−1.8% | Reduced |
| California Public Employees Retirement System | 1,087,259 | $352.5M | 0.30% | +13,227+1.2% | Added |
| Charles Schwab Investment Management Inc | 1,052,582 | $341.3M | 0.10% | +5,571+0.5% | Added |
| Norges Bank | 1,038,053 | $336.6M | 0.07% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 940,080 | $304.8M | 0.08% | −288,216−23.5% | Reduced |
| Principal Financial Group Inc | 881,451 | $285.8M | 0.21% | −7,814−0.9% | Reduced |
| Barclays PLC | 826,346 | $267.9M | 0.17% | −5,557−0.7% | Reduced |
| Voya Investment Management LLC | 822,990 | $266.8M | 0.29% | +430,936+109.9% | Added |
| Polen Capital Management LLC | 815,290 | $264.3M | 0.70% | +4,422+0.5% | Added |
| C WorldWide Group Holding A/S | 774,598 | $251.1M | 3.43% | −12,684−1.6% | Reduced |
| Dimensional Fund Advisors LP | 759,767 | $246.4M | 0.08% | +4,806+0.6% | Added |
| FIL Ltd | 757,036 | $245.4M | 0.29% | +13,211+1.8% | Added |
| Blair William & Co | 725,329 | $235.2M | 0.90% | +6,145+0.9% | Added |
| First Pacific Advisors, LP | 720,577 | $233.6M | 3.66% | −29,265−3.9% | Reduced |
| Ameriprise Financial Inc | 717,261 | $232.6M | 0.08% | −65,232−8.3% | Reduced |
| Farallon Capital Management, L.L.C. | 665,661 | $215.8M | 1.22% | −162,125−19.6% | Reduced |
| Manufacturers Life Insurance Company, The | 659,217 | $213.7M | 0.12% | +74,887+12.8% | Added |
| Swiss National Bank | 657,000 | $213.0M | 0.17% | −84,000−11.3% | Reduced |
| Fiera Capital Corp | 654,446 | $212.2M | 0.68% | +526,353+410.9% | Added |
| Omers Administration Corp | 602,637 | $195.4M | 2.94% | +229,500+61.5% | Added |
| Janus Henderson Group PLC | 591,765 | $191.9M | 0.13% | −74,700−11.2% | Reduced |
| Bessemer Group Inc | 585,256 | $189.8M | 0.42% | −3,826−0.6% | Reduced |
| JPMorgan Chase & Co | 550,537 | $178.5M | 0.02% | −47,811−8.0% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 516,382 | $167.4M | 0.14% | −10,607−2.0% | Reduced |
| Ensign Peak Advisors, Inc | 515,595 | $167.2M | 0.36% | −9,317−1.8% | Reduced |
| Natixis Advisors, L.P. | 508,653 | $164.9M | 0.50% | +27,627+5.7% | Added |
| Amundi | 500,786 | $163.3M | 0.08% | +104,965+26.5% | Added |
| Vaughan Nelson Investment Management, L.P. | 496,249 | $160.9M | 1.82% | +10,626+2.2% | Added |
| Deutsche Bank AG | 433,807 | $140.6M | 0.09% | −10,714−2.4% | Reduced |
| Royal Bank of Canada | 423,140 | $137.2M | 0.04% | −405,807−49.0% | Reduced |
| Envestnet Asset Management Inc | 392,444 | $127.2M | 0.06% | +147,245+60.1% | Added |
| Rhumbline Advisers | 377,529 | $122.4M | 0.14% | −5,322−1.4% | Reduced |
| USS Investment Management Ltd | 373,198 | $121.0M | 1.33% | +242,567+185.7% | Added |
| Capital Group Private Client Services, Inc. | 371,746 | $120.5M | 1.47% | −26,458−6.6% | Reduced |
| New York State Common Retirement Fund | 364,211 | $118.1M | 0.17% | −45,161−11.0% | Reduced |
| BloombergSen Inc. | 356,860 | $115.7M | 10.27% | −9,404−2.6% | Reduced |
| Douglass Winthrop Advisors, LLC | 353,266 | $114.5M | 2.84% | +2,265+0.6% | Added |
| Haverford Trust Co | 348,150 | $112.9M | 1.38% | −2,720−0.8% | Reduced |
| Gladstone Capital Management LLP | 331,142 | $107.4M | 10.96% | +28,534+9.4% | Added |
| California State Teachers Retirement System | 326,917 | $106.0M | 0.16% | −13,349−3.9% | Reduced |
| Wells Fargo & Company | 321,217 | $104.1M | 0.03% | −6,706−2.0% | Reduced |
| Russell Investments Group, Ltd. | 320,958 | $104.1M | 0.21% | +779+0.2% | Added |
| Permian Investment Partners, LP | 303,700 | $98.5M | 13.63% | +114,700+60.7% | Added |
| SEI Investments Co | 293,216 | $95.1M | 0.17% | +65,401+28.7% | Added |
| Cooper Investors Pty Ltd | 271,550 | $93.7M | 7.47% | +271,550 | New |
| Credit Suisse AG | 281,034 | $91.1M | 0.10% | −111,671−28.4% | Reduced |
| Chilton Investment Co LLC | 278,960 | $90.4M | 2.88% | +2,080+0.8% | Added |
| Citigroup Inc | 275,899 | $89.5M | 0.13% | +99,754+56.6% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 273,727 | $88.7M | 0.13% | −183,593−40.1% | Reduced |
| Davenport & Co LLC | 267,661 | $87.0M | 0.67% | +51,838+24.0% | Added |
| Frontier Capital Management Co LLC | 254,601 | $82.5M | 0.91% | −89,415−26.0% | Reduced |
| Bank of Montreal | 238,088 | $80.0M | 0.05% | +6,617+2.9% | Added |
| Alliancebernstein L.P. | 236,391 | $76.6M | 0.03% | −33,510−12.4% | Reduced |
| Artemis Investment Management LLP | 230,523 | $74.7M | 1.04% | −32,422−12.3% | Reduced |
| Nicholas Company, Inc. | 228,245 | $74.0M | 1.48% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 227,445 | $73.7M | 0.26% | +223,114+5,151.6% | Added |
| Broad Run Investment Management, LLC | 217,208 | $70.4M | 9.31% | −11,899−5.2% | Reduced |
| Qube Research & Technologies Ltd | 214,951 | $69.7M | 0.21% | +127,203+145.0% | Added |
| Schroder Investment Management Group | 214,511 | $69.5M | 0.10% | +363+0.2% | Added |
| State Board of Administration of Florida Retirement System | 210,213 | $68.2M | 0.16% | −9,100−4.1% | Reduced |
| Polar Capital Holdings Plc | 205,000 | $66.5M | 0.49% | −25,000−10.9% | Reduced |
| UBS Group AG | 204,748 | $66.4M | 0.03% | −34,876−14.6% | Reduced |
| James Hambro & Partners | 203,626 | $66.0M | 4.28% | +3,465+1.7% | Added |
| New York State Teachers Retirement System | 203,195 | $65.9M | 0.16% | −8,699−4.1% | Reduced |
| Pictet Asset Management Holding SA | 199,461 | $64.7M | 0.08% | +199,461 | New |
| Vontobel Asset Management Inc | 199,274 | $64.6M | 0.42% | −17,788−8.2% | Reduced |
| Stifel Financial Corp | 195,043 | $63.2M | 0.09% | +336+0.2% | Added |
| Korea Investment CORP | 194,871 | $63.2M | 0.19% | −9,774−4.8% | Reduced |
| Aviva PLC | 191,170 | $62.0M | 0.26% | +13,795+7.8% | Added |
| Raymond James & Associates | 189,943 | $61.6M | 0.05% | −8,161−4.1% | Reduced |