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 2024
Institutional positions in Aon plc as of Dec 31, 2024. 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
- 1,196
- +61 vs. Q3 2024
- Shares held
- 192.5M
- +2.06M (+1.1%) vs. Q3 2024
- Total value
- $69.1B
- +$3.12B (+4.7%) vs. Q3 2024
- New holders
- 143
- 418 more added
- Sold out
- 82
- 408 more reduced
14 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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 2024
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Marshall Wace, LLP | 226,478 | $81.3M | 0.10% | +206,695+1,044.8% | Added |
| Nicholas Company, Inc. | 228,305 | $82.0M | 1.33% | 00.0% | Unchanged |
| Scharf Investments, LLC | 236,323 | $84.9M | 2.52% | −14,416−5.7% | Reduced |
| Altrinsic Global Advisors LLC | 237,371 | $85.3M | 4.13% | −10,175−4.1% | Reduced |
| Lord, Abbett & Co. LLC | 239,151 | $85.9M | 0.27% | +9,693+4.2% | Added |
| Raymond James Financial Inc | 240,659 | $86.4M | 0.03% | +240,659 | New |
| Woodline Partners LP | 240,757 | $86.5M | 0.59% | −68,997−22.3% | Reduced |
| Russell Investments Group, Ltd. | 253,485 | $91.0M | 0.13% | −9,991−3.8% | Reduced |
| National Bank of Canada | 254,581 | $91.4M | 0.12% | +229,366+909.6% | Added |
| Aviva PLC | 255,760 | $91.9M | 0.24% | +40,850+19.0% | Added |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 260,950 | $93.7M | 4.83% | 00.0% | Unchanged |
| Principal Financial Group Inc | 267,374 | $96.0M | 0.05% | +12,893+5.1% | Added |
| Verition Fund Management LLC | 269,268 | $96.7M | 0.49% | +79,187+41.7% | Added |
| Bowie Capital Management, LLC | 270,992 | $97.3M | 5.16% | +7,611+2.9% | Added |
| DekaBank Deutsche Girozentrale | 275,444 | $98.4M | 0.18% | 00.0% | Unchanged |
| Davenport & Co LLC | 278,133 | $99.8M | 0.59% | −2,814−1.0% | Reduced |
| Natixis Advisors, L.P. | 280,164 | $100.6M | 0.19% | −7,287−2.5% | Reduced |
| New York State Common Retirement Fund | 281,501 | $101.1M | 0.14% | +1,553+0.6% | Added |
| Wells Fargo & Company | 284,275 | $102.1M | 0.02% | −11,344−3.8% | Reduced |
| BloombergSen Inc. | 294,606 | $105.8M | 9.17% | 00.0% | Unchanged |
| Wealthspire Advisors, LLC | 296,862 | $106.6M | 1.06% | +14,283+5.1% | Added |
| BNP Paribas Arbitrage, SA | 299,316 | $107.5M | 0.08% | +299,316 | New |
| SEI Investments Co | 300,682 | $108.0M | 0.14% | +61,869+25.9% | Added |
| Kovitz Investment Group Partners, LLC | 302,913 | $108.8M | 0.53% | +1,399+0.5% | Added |
| California State Teachers Retirement System | 314,294 | $112.9M | 0.13% | −7,815−2.4% | Reduced |
| National Pension Service | 335,249 | $120.4M | 0.11% | −59,307−15.0% | Reduced |
| Haverford Trust Co | 340,218 | $122.2M | 1.21% | +3,178+0.9% | Added |
| Fiducient Advisors LLC | 351,437 | $126.2M | 15.59% | −22,954−6.1% | Reduced |
| Bank of Montreal | 363,483 | $130.5M | 0.07% | −196,510−35.1% | Reduced |
| Envestnet Asset Management Inc | 368,560 | $132.4M | 0.04% | −6,590−1.8% | Reduced |
| Rhumbline Advisers | 368,790 | $132.5M | 0.12% | −6,014−1.6% | Reduced |
| Douglass Winthrop Advisors, LLC | 372,043 | $133.6M | 2.60% | −376−0.1% | Reduced |
| Deutsche Bank AG | 445,257 | $159.9M | 0.06% | +108,585+32.3% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 454,374 | $163.2M | 0.11% | −1590.0% | Reduced |
| Balyasny Asset Management LLC | 465,081 | $167.0M | 0.39% | −85,655−15.6% | Reduced |
| Fiera Capital Corp | 497,294 | $178.6M | 0.56% | +12,733+2.6% | Added |
| First Trust Advisors LP | 536,174 | $192.6M | 0.17% | +527,204+5,877.4% | Added |
| Barclays PLC | 546,544 | $196.3M | 0.10% | −165,013−23.2% | Reduced |
| Swiss National Bank | 552,300 | $198.4M | 0.13% | −28,600−4.9% | Reduced |
| Royal Bank of Canada | 562,085 | $201.9M | 0.04% | +216,892+62.8% | Added |
| Blair William & Co | 564,247 | $202.7M | 0.59% | −28,303−4.8% | Reduced |
| Omers Administration Corp | 602,606 | $216.4M | 1.89% | +1,403+0.2% | Added |
| Voya Investment Management LLC | 603,736 | $216.8M | 0.23% | +247,349+69.4% | Added |
| USS Investment Management Ltd | 643,899 | $231.2M | 1.68% | −3,042−0.5% | Reduced |
| Price T Rowe Associates Inc | 707,723 | $254.2M | 0.03% | −8,273−1.2% | Reduced |
| Polen Capital Management LLC | 719,322 | $258.4M | 0.70% | −62,167−8.0% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 720,364 | $258.7M | 0.84% | +157,337+27.9% | Added |
| First Pacific Advisors, LP | 728,493 | $261.6M | 3.74% | −5,495−0.7% | Reduced |
| Amundi | 743,665 | $262.1M | 0.09% | +68,143+10.1% | Added |
| Dimensional Fund Advisors LP | 736,916 | $264.7M | 0.06% | +70,137+10.5% | Added |
| C WorldWide Group Holding A/S | 744,704 | $267.5M | 3.26% | −62,330−7.7% | Reduced |
| California Public Employees Retirement System | 854,806 | $307.0M | 0.21% | +11,475+1.4% | Added |
| UBS Group AG | 889,570 | $319.5M | 0.07% | +327,511+58.3% | Added |
| FMR LLC | 902,192 | $324.0M | 0.02% | +273,236+43.4% | Added |
| Ameriprise Financial Inc | 924,066 | $331.9M | 0.09% | −382,085−29.3% | Reduced |
| Manufacturers Life Insurance Company, The | 988,985 | $355.2M | 0.31% | +130,434+15.2% | Added |
| Meritage Group LP | 996,211 | $357.8M | 8.53% | 00.0% | Unchanged |
| Invesco Ltd. | 1,021,021 | $366.7M | 0.07% | +56,076+5.8% | Added |
| Nuveen Asset Management, LLC | 1,025,667 | $368.4M | 0.10% | +248,707+32.0% | Added |
| Goldman Sachs Group Inc | 1,120,399 | $402.4M | 0.08% | +150,954+15.6% | Added |
| FIL Ltd | 1,160,465 | $416.8M | 0.39% | +1,143+0.1% | Added |
| Charles Schwab Investment Management Inc | 1,237,784 | $444.6M | 0.08% | +31,021+2.6% | Added |
| Diamond Hill Capital Management Inc | 1,247,736 | $448.1M | 1.98% | +275,525+28.3% | Added |
| UBS Asset Management Americas Inc | 1,273,950 | $457.6M | 0.11% | +223,413+21.3% | Added |
| Cantillon Capital Management LLC | 1,323,228 | $475.3M | 2.87% | +7,010+0.5% | Added |
| Legal & General Group Plc | 1,379,788 | $495.6M | 0.13% | −24,832−1.8% | Reduced |
| Longview Partners (Guernsey) LTD | 1,468,131 | $527.3M | 3.94% | −60,583−4.0% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1,488,054 | $534.4M | 0.57% | +286,147+23.8% | Added |
| Mackenzie Financial Corp | 1,498,753 | $538.3M | 0.73% | −114,668−7.1% | Reduced |
| Bank of America Corp | 1,606,421 | $577.0M | 0.05% | −89,477−5.3% | Reduced |
| Norges Bank | 1,661,280 | $596.7M | 0.08% | +89,028+5.7% | Added |
| Farallon Capital Management, L.L.C. | 1,832,733 | $658.2M | 3.47% | +126,733+7.4% | Added |
| Capital International Investors | 1,924,432 | $691.1M | 0.13% | −124,313−6.1% | Reduced |
| Independent Franchise Partners LLP | 2,016,972 | $724.4M | 5.44% | +45,075+2.3% | Added |
| Boston Partners | 2,035,998 | $731.8M | 0.89% | +244,706+13.7% | Added |
| WCM Investment Management, LLC | 2,045,778 | $732.3M | 1.72% | −1,439,806−41.3% | Reduced |
| Artisan Partners Limited Partnership | 2,067,551 | $742.6M | 1.14% | +960,204+86.7% | Added |
| Neuberger Berman Group LLC | 2,123,862 | $762.8M | 0.61% | +86,148+4.2% | Added |
| Northern Trust Corp | 2,158,943 | $775.4M | 0.11% | +183,442+9.3% | Added |
| Veritas Asset Management LLP | 2,220,648 | $797.6M | 7.44% | −789,909−26.2% | Reduced |
| Sustainable Growth Advisers, LP | 2,263,783 | $813.1M | 4.08% | −562,685−19.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,329,221 | $824.5M | 0.80% | +64,720+2.9% | Added |
| Lazard Asset Management LLC | 2,337,174 | $839.4M | 1.23% | −330,230−12.4% | Reduced |
| Bank of New York Mellon Corp | 2,564,824 | $921.2M | 0.17% | +343,592+15.5% | Added |
| Mawer Investment Management Ltd. | 3,902,727 | $1.40B | 6.36% | −366,738−8.6% | Reduced |
| Eagle Capital Management LLC | 3,983,556 | $1.43B | 5.22% | −2,692−0.1% | Reduced |
| Berkshire Hathaway IncSuperinvestorBerkshire Hathaway | 4,100,000 | $1.47B | 0.55% | 00.0% | Unchanged |
| HPS Investment Partners, LLC | 4,339,759 | $1.56B | 98.48% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 4,949,919 | $1.77B | 0.14% | +627,742+14.5% | Added |
| JPMorgan Chase & Co | 5,355,382 | $1.92B | 0.15% | +394,679+8.0% | Added |
| Morgan Stanley | 8,384,281 | $3.01B | 0.21% | +262,244+3.2% | Added |
| State Street Corp | 9,090,922 | $3.27B | 0.13% | +246,801+2.8% | Added |
| Massachusetts Financial Services Co | 11,616,324 | $4.17B | 1.32% | −548,135−4.5% | Reduced |
| Capital World Investors | 12,097,257 | $4.34B | 0.66% | +28,409+0.2% | Added |
| BlackRock, Inc. | 14,758,861 | $5.30B | 0.11% | +501,175+3.5% | Added |
| Vanguard Group Inc | 19,519,752 | $7.01B | 0.12% | +88,361+0.5% | Added |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −261,870−100.0% | Sold out |
| Bain Capital Public Equity Management II, LLC | 0 | $0 | 0.00% | −211,172−100.0% | Sold out |
| Gillson Capital LP | 0 | $0 | 0.00% | −160,399−100.0% | Sold out |
| Senator Investment Group LP | 0 | $0 | 0.00% | −120,000−100.0% | Sold out |