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, Q2 2023
Institutional positions in Aon plc as of Jun 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
- 1,024
- +18 vs. Q1 2023
- Shares held
- 177.5M
- +937.8K (+0.5%) vs. Q1 2023
- Total value
- $61.2B
- +$5.56B (+10.0%) vs. Q1 2023
- New holders
- 86
- 324 more added
- Sold out
- 68
- 407 more reduced
8 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 17,578,043 | $6.07B | 0.14% | −207,661−1.2% | Reduced |
| Massachusetts Financial Services Co | 15,209,121 | $5.25B | 1.72% | −317,720−2.0% | Reduced |
| BlackRock Inc. | 13,759,850 | $4.75B | 0.13% | −187,394−1.3% | Reduced |
| Capital World Investors | 9,594,253 | $3.31B | 0.64% | −16,342−0.2% | Reduced |
| State Street Corp | 8,356,672 | $2.88B | 0.15% | +158,668+1.9% | Added |
| Morgan Stanley | 5,843,402 | $2.02B | 0.20% | +263,405+4.7% | Added |
| Capital International Investors | 5,632,173 | $1.94B | 0.47% | −108,853−1.9% | Reduced |
| WCM Investment Management, LLC | 5,033,579 | $1.74B | 5.19% | +37,097+0.7% | Added |
| Mawer Investment Management Ltd. | 4,593,098 | $1.59B | 8.29% | −332,184−6.7% | Reduced |
| Lazard Asset Management LLC | 4,429,362 | $1.53B | 1.88% | +243,371+5.8% | Added |
| Berkshire Hathaway IncSuperinvestorBerkshire Hathaway | 4,335,000 | $1.50B | 0.43% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 4,145,217 | $1.43B | 0.17% | +523,613+14.5% | Added |
| Sustainable Growth Advisers, LP | 2,547,402 | $879.4M | 4.17% | +751,015+41.8% | Added |
| Neuberger Berman Group LLC | 2,383,479 | $822.8M | 0.74% | −160,401−6.3% | Reduced |
| GQG Partners LLC | 2,234,551 | $771.4M | 1.77% | −2,802−0.1% | Reduced |
| Northern Trust Corp | 2,226,409 | $768.6M | 0.15% | −209,171−8.6% | Reduced |
| Mackenzie Financial Corp | 2,208,746 | $748.1M | 1.14% | −78,308−3.4% | Reduced |
| Bank of America Corp | 2,151,712 | $742.8M | 0.09% | −324,513−13.1% | Reduced |
| Independent Franchise Partners LLP | 2,040,211 | $704.3M | 5.89% | +3,478+0.2% | Added |
| Bank of New York Mellon Corp | 1,973,538 | $681.3M | 0.14% | +96,144+5.1% | Added |
| Longview Partners (Guernsey) LTD | 1,825,402 | $630.1M | 4.13% | −15,820−0.9% | Reduced |
| Eagle Capital Management LLC | 1,806,709 | $623.7M | 2.80% | −115,854−6.0% | Reduced |
| Invesco Ltd. | 1,726,006 | $595.8M | 0.16% | +337,960+24.3% | Added |
| Boston Partners | 1,516,908 | $522.6M | 0.70% | −15,237−1.0% | Reduced |
| FMR LLC | 1,468,243 | $506.8M | 0.04% | +575,353+64.4% | Added |
| Legal & General Group Plc | 1,445,241 | $498.9M | 0.16% | −4,425−0.3% | Reduced |
| Artisan Partners Limited Partnership | 1,304,422 | $450.3M | 0.72% | −25,759−1.9% | Reduced |
| Cantillon Capital Management LLC | 1,254,848 | $433.2M | 3.03% | +74,932+6.4% | Added |
| Goldman Sachs Group Inc | 1,228,296 | $424.0M | 0.11% | +256,672+26.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 1,199,585 | $414.1M | 0.86% | +210,215+21.2% | Added |
| Price T Rowe Associates Inc | 1,139,433 | $393.3M | 0.05% | −5,793−0.5% | Reduced |
| UBS Asset Management Americas Inc | 1,242,736 | $391.8M | 0.19% | 00.0% | Unchanged |
| California Public Employees Retirement System | 1,074,032 | $370.8M | 0.32% | −107,699−9.1% | Reduced |
| Charles Schwab Investment Management Inc | 1,047,011 | $361.4M | 0.10% | −12,783−1.2% | Reduced |
| Norges Bank | 1,038,053 | $358.3M | 0.07% | −97,958−8.6% | Reduced |
| Principal Financial Group Inc | 889,265 | $307.0M | 0.21% | −27,260−3.0% | Reduced |
| Barclays PLC | 831,903 | $287.2M | 0.19% | +555,078+200.5% | Added |
| Royal Bank of Canada | 828,947 | $286.2M | 0.08% | −54,028−6.1% | Reduced |
| Farallon Capital Management, L.L.C. | 827,786 | $285.8M | 1.71% | +23,100+2.9% | Added |
| Polen Capital Management LLC | 810,868 | $279.9M | 0.69% | −13,636−1.7% | Reduced |
| C WorldWide Group Holding A/S | 787,282 | $271.8M | 3.51% | +787,282 | New |
| Ameriprise Financial Inc | 782,493 | $270.1M | 0.08% | −22,421−2.8% | Reduced |
| Dimensional Fund Advisors LP | 754,961 | $260.6M | 0.08% | −46,570−5.8% | Reduced |
| First Pacific Advisors, LP | 749,842 | $258.8M | 3.78% | −12,664−1.7% | Reduced |
| FIL Ltd | 743,825 | $256.8M | 0.29% | +28,138+3.9% | Added |
| Swiss National Bank | 741,000 | $255.8M | 0.17% | −80,000−9.7% | Reduced |
| Blair William & Co | 719,184 | $248.3M | 0.91% | −6,987−1.0% | Reduced |
| Janus Henderson Group PLC | 666,465 | $230.0M | 0.14% | −193,422−22.5% | Reduced |
| JPMorgan Chase & Co | 598,348 | $206.5M | 0.02% | −171,807−22.3% | Reduced |
| Bessemer Group Inc | 589,082 | $203.3M | 0.43% | −4,587−0.8% | Reduced |
| Manufacturers Life Insurance Company, The | 584,330 | $201.7M | 0.11% | +29,854+5.4% | Added |
| First Trust Advisors LP | 543,868 | $187.7M | 0.21% | +471,045+646.8% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 526,989 | $181.9M | 0.14% | −122,771−18.9% | Reduced |
| Ensign Peak Advisors, Inc | 524,912 | $181.2M | 0.37% | +16,359+3.2% | Added |
| Vaughan Nelson Investment Management, L.P. | 485,623 | $167.6M | 1.86% | +8,453+1.8% | Added |
| Natixis Advisors, L.P. | 481,026 | $166.1M | 0.51% | +9,373+2.0% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 457,320 | $157.9M | 0.25% | −7,025−1.5% | Reduced |
| Deutsche Bank AG | 444,521 | $153.4M | 0.08% | +27,147+6.5% | Added |
| New York State Common Retirement Fund | 409,372 | $141.3M | 0.18% | +16,079+4.1% | Added |
| Capital Group Private Client Services, Inc. | 398,204 | $137.5M | 1.62% | −7,723−1.9% | Reduced |
| Credit Suisse AG | 392,705 | $135.6M | 0.14% | +68,670+21.2% | Added |
| Voya Investment Management LLC | 392,054 | $135.3M | 0.14% | −275,691−41.3% | Reduced |
| Amundi | 395,821 | $134.1M | 0.07% | +70,535+21.7% | Added |
| Rhumbline Advisers | 382,851 | $132.2M | 0.15% | +2,811+0.7% | Added |
| Omers Administration Corp | 373,137 | $128.8M | 2.00% | 00.0% | Unchanged |
| BloombergSen Inc. | 366,264 | $126.4M | 11.21% | −14,961−3.9% | Reduced |
| Douglass Winthrop Advisors, LLC | 351,001 | $121.2M | 2.89% | −435−0.1% | Reduced |
| Haverford Trust Co | 350,870 | $121.1M | 1.37% | +4,905+1.4% | Added |
| Frontier Capital Management Co LLC | 344,016 | $118.8M | 1.14% | −211,049−38.0% | Reduced |
| California State Teachers Retirement System | 340,266 | $117.5M | 0.17% | −9,912−2.8% | Reduced |
| Wells Fargo & Company | 327,923 | $113.2M | 0.03% | −10,022−3.0% | Reduced |
| Russell Investments Group, Ltd. | 320,179 | $110.5M | 0.21% | −34,422−9.7% | Reduced |
| Gladstone Capital Management LLP | 302,608 | $104.5M | 11.51% | +43,046+16.6% | Added |
| Chilton Investment Co LLC | 276,880 | $95.6M | 2.79% | +7,306+2.7% | Added |
| CIBC World Markets Corp | 271,159 | $93.6M | 0.76% | +14,677+5.7% | Added |
| Alliancebernstein L.P. | 269,901 | $93.2M | 0.04% | +25,405+10.4% | Added |
| Artemis Investment Management LLP | 262,945 | $90.7M | 1.16% | +51,873+24.6% | Added |
| Zurich Insurance Group Ltd | 255,900 | $88.3M | 0.92% | +49,908+24.2% | Added |
| Envestnet Asset Management Inc | 245,199 | $84.6M | 0.04% | −7,415−2.9% | Reduced |
| UBS Group AG | 239,624 | $82.7M | 0.04% | +59,902+33.3% | Added |
| Bank of Montreal | 231,471 | $80.0M | 0.05% | −4,684−2.0% | Reduced |
| Polar Capital Holdings Plc | 230,000 | $79.4M | 0.54% | −60,000−20.7% | Reduced |
| Broad Run Investment Management, LLC | 229,107 | $79.1M | 9.36% | −20,872−8.3% | Reduced |
| Nicholas Company, Inc. | 228,245 | $78.8M | 1.51% | −14,905−6.1% | Reduced |
| SEI Investments Co | 227,815 | $78.6M | 0.14% | −33,249−12.7% | Reduced |
| Pensioenfonds Rail & Ov | 226,540 | $78.2M | 2.92% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 219,313 | $75.7M | 0.17% | −8,152−3.6% | Reduced |
| Vontobel Asset Management Inc | 217,062 | $74.9M | 0.50% | +24,735+12.9% | Added |
| Davenport & Co LLC | 215,823 | $74.2M | 0.56% | −5,609−2.5% | Reduced |
| Schroder Investment Management Group | 214,148 | $73.9M | 0.11% | −23,254−9.8% | Reduced |
| New York State Teachers Retirement System | 211,894 | $73.1M | 0.16% | −9,146−4.1% | Reduced |
| Korea Investment CORP | 204,645 | $70.6M | 0.20% | −15,678−7.1% | Reduced |
| James Hambro & Partners | 200,161 | $69.1M | 4.56% | +3,237+1.6% | Added |
| Raymond James & Associates | 198,104 | $68.4M | 0.06% | −8,867−4.3% | Reduced |
| Kovitz Investment Group Partners, LLC | 197,955 | $68.3M | 1.00% | +36,596+22.7% | Added |
| Pictet Asset Management SA | 196,908 | $68.0M | 0.08% | +45,848+30.4% | Added |
| Stifel Financial Corp | 194,707 | $67.2M | 0.09% | −4,041−2.0% | Reduced |
| Permian Investment Partners, LP | 189,000 | $65.2M | 8.94% | +189,000 | New |
| HM Payson & Co | 186,209 | $64.3M | 1.44% | −6,833−3.5% | Reduced |
| CIBC Asset Management Inc | 180,934 | $62.5M | 0.24% | −1,139−0.6% | Reduced |