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 2022
Institutional positions in Aon plc as of Mar 31, 2022. 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
- 985
- +2 vs. Q4 2021
- Shares held
- 188.2M
- −117.9K (−0.1%) vs. Q4 2021
- Total value
- $61.2B
- +$4.73B (+8.4%) vs. Q4 2021
- New holders
- 94
- 324 more added
- Sold out
- 92
- 369 more reduced
12 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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 | 1,265 | $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, Q1 2022
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Massachusetts Financial Services Co | 18,008,780 | $5.86B | 1.74% | −72,154−0.4% | Reduced |
| Vanguard Group Inc | 17,897,636 | $5.83B | 0.14% | +1,172,671+7.0% | Added |
| BlackRock Inc. | 14,259,360 | $4.64B | 0.13% | −131,227−0.9% | Reduced |
| State Street Corp | 9,779,102 | $3.18B | 0.16% | −258,303−2.6% | Reduced |
| Capital World Investors | 8,942,963 | $2.91B | 0.50% | +4,535,747+102.9% | Added |
| WCM Investment Management, LLC | 5,879,340 | $1.91B | 5.35% | +1,267,267+27.5% | Added |
| Mawer Investment Management Ltd. | 5,558,240 | $1.81B | 8.60% | −598,360−9.7% | Reduced |
| Capital International Investors | 5,484,505 | $1.79B | 0.41% | −1,168,404−17.6% | Reduced |
| Lazard Asset Management LLC | 5,076,701 | $1.65B | 1.92% | −289,601−5.4% | Reduced |
| Eagle Capital Management LLC | 4,488,491 | $1.46B | 4.94% | −191,546−4.1% | Reduced |
| Berkshire Hathaway IncSuperinvestorBerkshire Hathaway | 4,396,000 | $1.43B | 0.39% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 3,553,482 | $1.15B | 0.14% | +55,110+1.6% | Added |
| Northern Trust Corp | 2,803,734 | $913.0M | 0.16% | −66,872−2.3% | Reduced |
| Wellington Management Group LLP | 2,609,464 | $849.7M | 0.15% | −10,826−0.4% | Reduced |
| Neuberger Berman Group LLC | 2,520,919 | $820.9M | 0.70% | −169,687−6.3% | Reduced |
| Longview Partners (Guernsey) LTD | 2,492,419 | $811.6M | 5.31% | −167,891−6.3% | Reduced |
| Mackenzie Financial Corp | 2,464,121 | $802.4M | 1.08% | +121,200+5.2% | Added |
| Artisan Partners Limited Partnership | 2,461,257 | $801.5M | 1.06% | +122,984+5.3% | Added |
| Bank of America Corp | 2,294,504 | $747.2M | 0.08% | −164,430−6.7% | Reduced |
| Independent Franchise Partners LLP | 2,212,861 | $720.6M | 5.69% | −110,993−4.8% | Reduced |
| Bank of New York Mellon Corp | 2,116,484 | $689.2M | 0.13% | −147,046−6.5% | Reduced |
| Janus Henderson Group PLC | 1,930,031 | $628.5M | 0.30% | −642,861−25.0% | Reduced |
| Legal & General Group Plc | 1,623,000 | $528.5M | 0.16% | +59,581+3.8% | Added |
| Invesco Ltd. | 1,601,088 | $521.4M | 0.13% | +134,256+9.2% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,593,080 | $518.8M | 2.10% | +82,563+5.5% | Added |
| GQG Partners LLC | 1,473,892 | $479.9M | 1.11% | +8,072+0.6% | Added |
| California Public Employees Retirement System | 1,301,040 | $423.7M | 0.33% | −32,727−2.5% | Reduced |
| UBS Asset Management Americas Inc | 1,282,033 | $417.5M | 0.18% | −13,747−1.1% | Reduced |
| Cantillon Capital Management LLC | 1,240,000 | $403.8M | 2.88% | +35,910+3.0% | Added |
| Price T Rowe Associates Inc | 1,207,436 | $393.2M | 0.04% | −24,937−2.0% | Reduced |
| Dimensional Fund Advisors LP | 1,074,886 | $350.0M | 0.11% | −86,021−7.4% | Reduced |
| Norges Bank | 1,069,275 | $348.2M | 0.08% | +172,464+19.2% | Added |
| Charles Schwab Investment Management Inc | 1,035,521 | $337.2M | 0.10% | +4,570+0.4% | Added |
| FMR LLC | 1,030,060 | $335.4M | 0.03% | +89,966+9.6% | Added |
| Farallon Capital Management, L.L.C. | 1,013,986 | $330.2M | 1.82% | −179,500−15.0% | Reduced |
| Polen Capital Management LLC | 984,696 | $320.6M | 0.63% | −57,712−5.5% | Reduced |
| Boston Partners | 984,224 | $320.5M | 0.39% | +22,506+2.3% | Added |
| Swiss National Bank | 954,374 | $310.8M | 0.18% | +96,300+11.2% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 945,254 | $307.8M | 0.47% | −105,798−10.1% | Reduced |
| First Pacific Advisors, LP | 916,257 | $298.4M | 3.84% | −134,059−12.8% | Reduced |
| Principal Financial Group Inc | 873,986 | $284.6M | 0.18% | −778−0.1% | Reduced |
| Royal Bank of Canada | 862,268 | $280.8M | 0.07% | −392,996−31.3% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 861,318 | $280.5M | 0.19% | +861,318 | New |
| Parametric Portfolio Associates LLC | 828,990 | $269.9M | 0.14% | +35,797+4.5% | Added |
| Morgan Stanley | 817,263 | $266.1M | 0.04% | −150,066−15.5% | Reduced |
| Goldman Sachs Group Inc | 804,146 | $261.9M | 0.07% | −172,962−17.7% | Reduced |
| New York State Common Retirement Fund | 785,229 | $255.7M | 0.27% | +680.0% | Added |
| Blair William & Co | 733,424 | $238.8M | 0.84% | +4,224+0.6% | Added |
| Deutsche Bank AG | 713,781 | $232.4M | 0.11% | −35,117−4.7% | Reduced |
| Allianz Asset Management GmbH | 654,247 | $213.0M | 0.17% | +80,514+14.0% | Added |
| Ensign Peak Advisors, Inc | 630,771 | $205.4M | 0.42% | +65,590+11.6% | Added |
| Vaughan Nelson Investment Management, L.P. | 604,369 | $196.8M | 2.24% | −38,654−6.0% | Reduced |
| Bessemer Group Inc | 581,105 | $189.2M | 0.40% | +105,455+22.2% | Added |
| Ameriprise Financial Inc | 551,714 | $179.5M | 0.05% | +66,373+13.7% | Added |
| BloombergSen Inc. | 535,352 | $174.3M | 10.94% | −2,593−0.5% | Reduced |
| JPMorgan Chase & Co | 521,257 | $169.7M | 0.02% | +221,039+73.6% | Added |
| Credit Suisse AG | 491,652 | $160.1M | 0.14% | −910−0.2% | Reduced |
| DSM Capital Partners LLC | 471,113 | $153.4M | 2.05% | −28,394−5.7% | Reduced |
| Altrinsic Global Advisors LLC | 469,078 | $152.7M | 5.34% | −14,444−3.0% | Reduced |
| Natixis Advisors, L.P. | 456,668 | $148.7M | 0.57% | +40,557+9.7% | Added |
| Capital Group Private Client Services, Inc. | 435,943 | $142.0M | 1.55% | −108,398−19.9% | Reduced |
| Broad Run Investment Management, LLC | 422,872 | $137.7M | 9.74% | −77,445−15.5% | Reduced |
| Barclays PLC | 422,327 | $137.5M | 0.11% | +422,327 | New |
| Pensioenfonds Rail & Ov | 418,010 | $136.1M | 3.45% | 00.0% | Unchanged |
| Frontier Capital Management Co LLC | 407,662 | $132.7M | 1.20% | −64,523−13.7% | Reduced |
| Wells Fargo & Company | 395,330 | $128.7M | 0.03% | −44,744−10.2% | Reduced |
| California State Teachers Retirement System | 375,334 | $122.2M | 0.16% | +25,901+7.4% | Added |
| Omers Administration Corp | 373,137 | $121.5M | 1.56% | +80,600+27.6% | Added |
| Russell Investments Group, Ltd. | 353,803 | $115.2M | 0.20% | −99,228−21.9% | Reduced |
| Atlanta Capital Management Co L L C | 350,819 | $114.2M | 0.42% | +2,226+0.6% | Added |
| Tesco Pension Investment Ltd | 349,809 | $113.9M | 2.78% | −110,424−24.0% | Reduced |
| Swedbank AB | 348,784 | $113.6M | 0.21% | −40,500−10.4% | Reduced |
| Douglass Winthrop Advisors, LLC | 345,421 | $112.5M | 2.66% | +2,169+0.6% | Added |
| Rhumbline Advisers | 343,072 | $111.7M | 0.14% | +6,076+1.8% | Added |
| Polar Capital Holdings Plc | 337,500 | $109.9M | 0.65% | 00.0% | Unchanged |
| Capital International Inc | 331,200 | $107.8M | 1.21% | −10,350−3.0% | Reduced |
| Amundi | 322,047 | $107.4M | 0.07% | −161,036−33.3% | Reduced |
| Macquarie Group Ltd | 317,421 | $103.4M | 0.09% | −111,280−26.0% | Reduced |
| Jackson Square Partners, LLC | 302,985 | $98.7M | 0.98% | +190.0% | Added |
| APG Asset Management N.V. | 330,904 | $96.8M | 0.18% | −5,000−1.5% | Reduced |
| Manufacturers Life Insurance Company, The | 280,962 | $91.5M | 0.06% | +113,335+67.6% | Added |
| CIBC World Markets Corp | 279,905 | $91.1M | 0.72% | −97,073−25.8% | Reduced |
| Nicholas Company, Inc. | 278,845 | $90.8M | 1.62% | +395+0.1% | Added |
| Alliancebernstein L.P. | 274,092 | $89.3M | 0.03% | −7,749−2.7% | Reduced |
| State Board of Administration of Florida Retirement System | 262,379 | $85.4M | 0.17% | −5,800−2.2% | Reduced |
| Bank of Montreal | 261,745 | $85.4M | 0.05% | −60,042−18.7% | Reduced |
| Renaissance Technologies LLC | 240,700 | $78.4M | 0.09% | +37,000+18.2% | Added |
| New York State Teachers Retirement System | 240,506 | $78.3M | 0.16% | −345−0.1% | Reduced |
| Kovitz Investment Group Partners, LLC | 239,235 | $77.9M | 1.49% | −215,809−47.4% | Reduced |
| Davenport & Co LLC | 236,023 | $76.7M | 0.54% | −4,148−1.7% | Reduced |
| Envestnet Asset Management Inc | 234,184 | $76.3M | 0.04% | +28,780+14.0% | Added |
| Cooper Investors Pty Ltd | 225,527 | $73.4M | 5.15% | −6,844−2.9% | Reduced |
| CIBC Asset Management Inc | 219,570 | $71.5M | 0.25% | +34,161+18.4% | Added |
| Raymond James & Associates | 215,942 | $70.3M | 0.06% | −3,294−1.5% | Reduced |
| Canada Pension Plan Investment Board | 213,156 | $69.4M | 0.09% | +12,523+6.2% | Added |
| Prudential Financial Inc | 208,214 | $67.8M | 0.09% | +460.0% | Added |
| Eaton Vance Management | 207,926 | $67.7M | 0.08% | +13,754+7.1% | Added |
| Obermeyer Wood Investment Counsel, LLLP | 207,098 | $67.4M | 4.04% | −2,883−1.4% | Reduced |
| Citigroup Inc | 200,426 | $65.3M | 0.07% | +4,758+2.4% | Added |
| Pictet Asset Management SA | 193,721 | $63.1M | 0.07% | −1,802−0.9% | Reduced |