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, Q4 2021
Institutional positions in Aon plc as of Dec 31, 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
- 995
- +90 vs. Q3 2021
- Shares held
- 188.4M
- −11.6M (−5.8%) vs. Q3 2021
- Total value
- $56.5B
- −$622.9M (−1.1%) vs. Q3 2021
- New holders
- 152
- 283 more added
- Sold out
- 62
- 384 more reduced
12 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Raymond James & Associates | 219,236 | $65.9M | 0.05% | −19,702−8.2% | Reduced |
| Marathon Asset Mgmt Ltd | 225,897 | $67.9M | 0.84% | −29,344−11.5% | Reduced |
| Cooper Investors Pty Ltd | 232,371 | $69.8M | 4.41% | −36,131−13.5% | Reduced |
| Davenport & Co LLC | 240,171 | $72.2M | 0.49% | −9,945−4.0% | Reduced |
| New York State Teachers Retirement System | 240,851 | $72.4M | 0.14% | −2,007−0.8% | Reduced |
| State of Wisconsin Investment Board | 249,036 | $74.8M | 0.14% | −3,209−1.3% | Reduced |
| Caisse de Depot Et Placement du Quebec | 249,626 | $75.0M | 0.16% | −28,513−10.3% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 250,907 | $75.4M | 3.03% | −144,153−36.5% | Reduced |
| State Board of Administration of Florida Retirement System | 268,179 | $80.6M | 0.14% | −5,031−1.8% | Reduced |
| Nicholas Company, Inc. | 278,450 | $83.7M | 1.36% | −250.0% | Reduced |
| Alliancebernstein L.P. | 281,841 | $84.7M | 0.03% | −22,050−7.3% | Reduced |
| Omers Administration Corp | 292,537 | $87.9M | 1.14% | 00.0% | Unchanged |
| APG Asset Management N.V. | 335,904 | $88.8M | 0.15% | −192,700−36.5% | Reduced |
| JPMorgan Chase & Co | 300,218 | $90.2M | 0.01% | −279,339−48.2% | Reduced |
| Jackson Square Partners, LLC | 302,966 | $91.1M | 0.77% | +11,416+3.9% | Added |
| Bank of Montreal | 321,787 | $96.9M | 0.05% | −53,048−14.2% | Reduced |
| Kovitz Investment Group Partners, LLC | 455,044 | $100.0M | 2.36% | +40,343+9.7% | Added |
| Rhumbline Advisers | 336,996 | $101.3M | 0.12% | +1,527+0.5% | Added |
| Polar Capital Holdings Plc | 337,500 | $101.4M | 0.53% | −38,750−10.3% | Reduced |
| Capital International Inc | 341,550 | $102.7M | 0.95% | −2,458−0.7% | Reduced |
| Douglass Winthrop Advisors, LLC | 343,252 | $103.2M | 2.31% | +1,092+0.3% | Added |
| Atlanta Capital Management Co L L C | 348,593 | $104.8M | 0.35% | +2,303+0.7% | Added |
| California State Teachers Retirement System | 349,433 | $105.0M | 0.12% | +11,437+3.4% | Added |
| CIBC World Markets Corp | 376,978 | $113.3M | 0.60% | +87,840+30.4% | Added |
| Swedbank AB | 389,284 | $116.7M | 0.20% | +260+0.1% | Added |
| Natixis Advisors, L.P. | 416,111 | $125.1M | 0.48% | −6,246−1.5% | Reduced |
| Pensioenfonds Rail & Ov | 418,010 | $125.6M | 2.97% | −43,726−9.5% | Reduced |
| Macquarie Group Ltd | 428,701 | $128.9M | 0.11% | −228,407−34.8% | Reduced |
| Wells Fargo & Company | 440,074 | $132.3M | 0.03% | −25,428−5.5% | Reduced |
| Amundi | 483,083 | $135.5M | 0.09% | +63,064+15.0% | Added |
| Russell Investments Group, Ltd. | 453,031 | $136.1M | 0.22% | +13,626+3.1% | Added |
| Two Sigma Investments, LP | 452,975 | $136.1M | 0.33% | +173,902+62.3% | Added |
| Tesco Pension Investment Ltd | 460,233 | $138.3M | 2.27% | −214,008−31.7% | Reduced |
| Frontier Capital Management Co LLC | 472,185 | $141.9M | 1.12% | −64,531−12.0% | Reduced |
| Bessemer Group Inc | 475,650 | $143.0M | 0.29% | −364,524−43.4% | Reduced |
| Altrinsic Global Advisors LLC | 483,522 | $145.3M | 4.64% | −175,625−26.6% | Reduced |
| Ameriprise Financial Inc | 485,341 | $145.7M | 0.04% | −872,823−64.3% | Reduced |
| Credit Suisse AG | 492,562 | $148.0M | 0.12% | −36,419−6.9% | Reduced |
| DSM Capital Partners LLC | 499,507 | $150.1M | 1.57% | −205,666−29.2% | Reduced |
| Broad Run Investment Management, LLC | 500,317 | $150.4M | 9.30% | −1,568−0.3% | Reduced |
| BloombergSen Inc. | 537,945 | $161.7M | 9.46% | −1,472−0.3% | Reduced |
| Capital Group Private Client Services, Inc. | 544,341 | $163.6M | 1.75% | −6,551−1.2% | Reduced |
| Ensign Peak Advisors, Inc | 565,181 | $169.9M | 0.32% | −117,997−17.3% | Reduced |
| Allianz Asset Management GmbH | 573,733 | $172.4M | 0.13% | +3,396+0.6% | Added |
| Vaughan Nelson Investment Management, L.P. | 643,023 | $193.3M | 1.98% | −14,571−2.2% | Reduced |
| Blair William & Co | 729,200 | $219.2M | 0.69% | +120,405+19.8% | Added |
| Deutsche Bank AG | 748,898 | $225.1M | 0.10% | −8,987−1.2% | Reduced |
| New York State Common Retirement Fund | 785,161 | $236.0M | 0.24% | −80,868−9.3% | Reduced |
| Parametric Portfolio Associates LLC | 793,193 | $238.4M | 0.12% | +31,053+4.1% | Added |
| Swiss National Bank | 858,074 | $257.9M | 0.16% | −34,100−3.8% | Reduced |
| Principal Financial Group Inc | 874,764 | $262.5M | 0.16% | −108,884−11.1% | Reduced |
| Norges Bank | 896,811 | $269.5M | 0.06% | +544,985+154.9% | Added |
| FMR LLC | 940,094 | $282.6M | 0.02% | +110,070+13.3% | Added |
| Boston Partners | 961,718 | $289.0M | 0.35% | −21,508−2.2% | Reduced |
| Morgan Stanley | 967,329 | $290.7M | 0.04% | +207,305+27.3% | Added |
| Goldman Sachs Group Inc | 977,108 | $293.7M | 0.07% | −141,935−12.7% | Reduced |
| Charles Schwab Investment Management Inc | 1,030,951 | $309.9M | 0.09% | −1320.0% | Reduced |
| Polen Capital Management LLC | 1,042,408 | $313.3M | 0.53% | +20,164+2.0% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1,051,052 | $315.2M | 0.45% | −47,882−4.4% | Reduced |
| First Pacific Advisors, LP | 1,050,316 | $315.7M | 3.92% | −41,383−3.8% | Reduced |
| Dimensional Fund Advisors LP | 1,160,907 | $348.9M | 0.11% | −28,620−2.4% | Reduced |
| Farallon Capital Management, L.L.C. | 1,193,486 | $358.7M | 2.03% | −68,829−5.5% | Reduced |
| Cantillon Capital Management LLC | 1,204,090 | $361.9M | 2.39% | −89,052−6.9% | Reduced |
| Price T Rowe Associates Inc | 1,232,373 | $370.4M | 0.03% | −18,400−1.5% | Reduced |
| Royal Bank of Canada | 1,255,264 | $377.3M | 0.09% | −348,826−21.7% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,284,035 | $385.9M | 0.47% | −389,388−23.3% | Reduced |
| UBS Asset Management Americas Inc | 1,295,780 | $389.5M | 0.15% | −88,827−6.4% | Reduced |
| California Public Employees Retirement System | 1,333,767 | $400.9M | 0.27% | −405,039−23.3% | Reduced |
| GQG Partners LLC | 1,465,820 | $440.6M | 1.09% | +163,523+12.6% | Added |
| Invesco Ltd. | 1,466,832 | $440.9M | 0.11% | +21,718+1.5% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,510,517 | $454.0M | 1.31% | +1,510,517 | New |
| Legal & General Group Plc | 1,563,419 | $469.9M | 0.14% | −72,975−4.5% | Reduced |
| Bank of New York Mellon Corp | 2,263,530 | $680.3M | 0.12% | −204,882−8.3% | Reduced |
| Independent Franchise Partners LLP | 2,323,854 | $698.5M | 5.50% | −838,647−26.5% | Reduced |
| Artisan Partners Limited Partnership | 2,338,273 | $702.8M | 0.84% | +155,397+7.1% | Added |
| Mackenzie Financial Corp | 2,342,921 | $704.2M | 0.95% | −281,014−10.7% | Reduced |
| Bank of America Corp | 2,458,934 | $739.1M | 0.08% | −327,594−11.8% | Reduced |
| Janus Henderson Group PLC | 2,572,892 | $773.3M | 0.32% | −355,307−12.1% | Reduced |
| Wellington Management Group LLP | 2,620,290 | $787.6M | 0.13% | +76,301+3.0% | Added |
| Longview Partners (Guernsey) LTD | 2,660,310 | $799.6M | 5.10% | −293,577−9.9% | Reduced |
| Neuberger Berman Group LLC | 2,690,606 | $807.0M | 0.63% | −197,166−6.8% | Reduced |
| Northern Trust Corp | 2,870,606 | $862.8M | 0.14% | −130,798−4.4% | Reduced |
| Geode Capital Management, LLC | 3,498,372 | $1.05B | 0.13% | −614,978−15.0% | Reduced |
| Berkshire Hathaway IncSuperinvestorBerkshire Hathaway | 4,396,000 | $1.32B | 0.40% | 00.0% | Unchanged |
| Capital World Investors | 4,407,216 | $1.32B | 0.21% | +171,508+4.0% | Added |
| WCM Investment Management, LLC | 4,612,073 | $1.39B | 3.12% | +24,793+0.5% | Added |
| Eagle Capital Management LLC | 4,680,037 | $1.41B | 4.20% | −1,666,679−26.3% | Reduced |
| Lazard Asset Management LLC | 5,366,302 | $1.61B | 1.72% | −447,598−7.7% | Reduced |
| Mawer Investment Management Ltd. | 6,156,600 | $1.85B | 8.33% | +66,280+1.1% | Added |
| Capital International Investors | 6,652,909 | $2.00B | 0.42% | −624,217−8.6% | Reduced |
| State Street Corp | 10,037,405 | $3.02B | 0.14% | +98,794+1.0% | Added |
| BlackRock Inc. | 14,390,587 | $4.33B | 0.11% | −1,693,755−10.5% | Reduced |
| Vanguard Group Inc | 16,724,965 | $5.03B | 0.11% | −327,736−1.9% | Reduced |
| Massachusetts Financial Services Co | 18,080,934 | $5.43B | 1.49% | −612,123−3.3% | Reduced |
| Unio Capital LLC | 29,288 | – | – | +1,023+3.6% | Added |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −597,410−100.0% | Sold out |
| Barrow Hanley Mewhinney & Strauss LLC | 0 | $0 | 0.00% | −169,187−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −73,229−100.0% | Sold out |
| BlueSpruce Investments, LP | 0 | $0 | 0.00% | −49,719−100.0% | Sold out |
| AMP Capital Investors Ltd | 0 | $0 | 0.00% | −49,623−100.0% | Sold out |