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 2021
Institutional positions in Aon plc as of Jun 30, 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
- 912
- +4 vs. Q1 2021
- Shares held
- 223.7M
- +1.23M (+0.6%) vs. Q1 2021
- Total value
- $53.4B
- +$2.24B (+4.4%) vs. Q1 2021
- New holders
- 82
- 353 more added
- Sold out
- 78
- 289 more reduced
11 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Raymond James & Associates | 235,180 | $56.2M | 0.05% | −26,015−10.0% | Reduced |
| Prana Capital Management, LP | 238,155 | $56.9M | 3.88% | +107,169+81.8% | Added |
| Los Angeles Capital Management LLC | 239,013 | $57.1M | 0.25% | −49,378−17.1% | Reduced |
| New York State Teachers Retirement System | 245,471 | $58.6M | 0.12% | −6,834−2.7% | Reduced |
| Marathon Asset Management LLP | 252,719 | $60.3M | 0.73% | +12,363+5.1% | Added |
| Amundi | 259,137 | $61.9M | 0.04% | +259,137 | New |
| Nicholas Company, Inc. | 278,460 | $66.5M | 1.17% | −137,795−33.1% | Reduced |
| State Board of Administration of Florida Retirement System | 282,714 | $67.5M | 0.13% | −10,698−3.6% | Reduced |
| Cooper Investors Pty Ltd | 283,167 | $67.6M | 4.43% | +12,281+4.5% | Added |
| AustralianSuper Pty Ltd | 286,446 | $68.4M | 0.48% | +6,817+2.4% | Added |
| CIBC World Markets Corp | 286,979 | $68.5M | 0.48% | −7,303−2.5% | Reduced |
| Norges Bank | 302,097 | $72.1M | 0.02% | −80,470−21.0% | Reduced |
| Alliancebernstein L.P. | 302,322 | $72.2M | 0.03% | −55,454−15.5% | Reduced |
| Worldquant Millennium Advisors LLC | 325,483 | $77.7M | 1.72% | +305,544+1,532.4% | Added |
| Douglass Winthrop Advisors, LLC | 328,762 | $78.5M | 1.93% | +14,898+4.7% | Added |
| Two Sigma Advisers, LP | 337,400 | $80.6M | 0.21% | −373,900−52.6% | Reduced |
| Citigroup Inc | 340,868 | $81.4M | 0.07% | −188,053−35.6% | Reduced |
| California State Teachers Retirement System | 345,337 | $82.5M | 0.10% | −27,790−7.4% | Reduced |
| Rhumbline Advisers | 345,766 | $82.6M | 0.11% | −22,280−6.1% | Reduced |
| Atlanta Capital Management Co L L C | 346,401 | $82.7M | 0.29% | −8,334−2.3% | Reduced |
| Marshall Wace, LLP | 351,794 | $84.0M | 0.44% | +6,895+2.0% | Added |
| Davenport & Co LLC | 358,517 | $85.6M | 0.66% | +21,911+6.5% | Added |
| Wells Fargo & Company | 387,314 | $92.5M | 0.02% | −37,264−8.8% | Reduced |
| Capital International Inc | 388,416 | $92.7M | 0.83% | −13,162−3.3% | Reduced |
| Swedbank AB | 391,419 | $93.5M | 0.18% | −58,949−13.1% | Reduced |
| Citadel Advisors LLC | 392,468 | $93.7M | 0.10% | +33,629+9.4% | Added |
| Polar Capital Holdings Plc | 397,500 | $94.9M | 0.52% | 00.0% | Unchanged |
| Pentwater Capital Management LP | 401,388 | $95.8M | 0.98% | +401,388 | New |
| Bank of Montreal | 405,745 | $98.7M | 0.05% | +107,501+36.0% | Added |
| Russell Investments Group, Ltd. | 420,518 | $100.4M | 0.17% | +30,187+7.7% | Added |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 422,850 | $101.0M | 4.26% | 00.0% | Unchanged |
| APG Asset Management N.V. | 519,504 | $104.6M | 0.18% | +17,000+3.4% | Added |
| State of Wisconsin Investment Board | 449,123 | $107.2M | 0.22% | −176,214−28.2% | Reduced |
| Natixis Advisors, L.P. | 452,015 | $107.9M | 0.51% | +39,103+9.5% | Added |
| Two Sigma Investments, LP | 459,914 | $109.8M | 0.29% | −596,504−56.5% | Reduced |
| BloombergSen Inc. | 498,473 | $119.0M | 8.13% | −74,100−12.9% | Reduced |
| Allianz Asset Management GmbH | 508,277 | $121.4M | 0.11% | +223,173+78.3% | Added |
| USS Investment Management Ltd | 517,104 | $123.4M | 1.00% | 00.0% | Unchanged |
| Frontier Capital Management Co LLC | 521,656 | $124.6M | 0.91% | +30,882+6.3% | Added |
| Broad Run Investment Management, LLC | 531,655 | $126.9M | 7.94% | −9,890−1.8% | Reduced |
| Capital Bank & Trust Co | 548,001 | $130.8M | 1.52% | +10,944+2.0% | Added |
| Kovitz Investment Group Partners, LLC | 551,137 | $131.6M | 2.61% | +81,657+17.4% | Added |
| D. E. Shaw & Co., Inc. | 552,041 | $131.8M | 0.15% | +543,069+6,052.9% | Added |
| Millennium Management LLC | 567,563 | $135.5M | 0.17% | +77,604+15.8% | Added |
| Pensioenfonds Rail & Ov | 585,712 | $139.8M | 3.05% | 00.0% | Unchanged |
| Blair William & Co | 607,410 | $145.0M | 0.50% | +52,706+9.5% | Added |
| Credit Suisse AG | 620,683 | $150.8M | 0.12% | −4,886−0.8% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 653,033 | $155.9M | 0.50% | −40,977−5.9% | Reduced |
| JPMorgan Chase & Co | 664,106 | $158.6M | 0.02% | −53,153−7.4% | Reduced |
| First Trust Advisors LP | 710,583 | $169.7M | 0.18% | +25,594+3.7% | Added |
| Ensign Peak Advisors, Inc | 712,256 | $170.1M | 0.34% | −4,367−0.6% | Reduced |
| DSM Capital Partners LLC | 721,146 | $172.2M | 1.66% | −43,359−5.7% | Reduced |
| Parametric Portfolio Associates LLC | 736,001 | $175.7M | 0.10% | +26,754+3.8% | Added |
| Southpoint Capital Advisors LP | 750,000 | $179.1M | 3.10% | 00.0% | Unchanged |
| Tesco Pension Investment Ltd | 769,833 | $183.8M | 3.25% | −34,628−4.3% | Reduced |
| Macquarie Group Ltd | 778,196 | $185.8M | 0.15% | +772,450+13,443.3% | Added |
| Deutsche Bank AG | 791,115 | $188.9M | 0.09% | +42,374+5.7% | Added |
| Polen Capital Management LLC | 812,647 | $194.0M | 0.37% | +286,463+54.4% | Added |
| Bessemer Group Inc | 830,565 | $198.3M | 0.43% | +6,625+0.8% | Added |
| FMR LLC | 833,937 | $199.1M | 0.02% | −583,890−41.2% | Reduced |
| Meritage Group LP | 841,972 | $201.0M | 3.77% | +5,866+0.7% | Added |
| Vaughan Nelson Investment Management, L.P. | 857,201 | $204.7M | 2.07% | +105,865+14.1% | Added |
| New York State Common Retirement Fund | 866,132 | $206.8M | 0.21% | +44,944+5.5% | Added |
| Morgan Stanley | 872,529 | $208.3M | 0.03% | +293,745+50.8% | Added |
| Swiss National Bank | 921,474 | $220.0M | 0.14% | −60,575−6.2% | Reduced |
| Boston Partners | 953,222 | $227.6M | 0.29% | +22,461+2.4% | Added |
| Charles Schwab Investment Management Inc | 1,021,867 | $244.0M | 0.08% | +20,390+2.0% | Added |
| Principal Financial Group Inc | 1,042,341 | $248.9M | 0.16% | −716,622−40.7% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1,086,465 | $259.5M | 0.43% | −45,850−4.0% | Reduced |
| Altrinsic Global Advisors LLC | 1,121,473 | $267.8M | 8.14% | −188,774−14.4% | Reduced |
| First Pacific Advisors, LP | 1,177,528 | $281.1M | 3.53% | −2,317−0.2% | Reduced |
| Dimensional Fund Advisors LP | 1,182,254 | $282.3M | 0.09% | +109,742+10.2% | Added |
| Brave Warrior Advisors, LLC | 1,250,429 | $298.6M | 10.25% | −278,720−18.2% | Reduced |
| Price T Rowe Associates Inc | 1,259,334 | $300.7M | 0.03% | −96,434−7.1% | Reduced |
| GQG Partners LLC | 1,271,299 | $303.5M | 0.89% | +26,982+2.2% | Added |
| Cantillon Capital Management LLC | 1,316,431 | $314.3M | 2.12% | −20,543−1.5% | Reduced |
| UBS Asset Management Americas Inc | 1,401,324 | $334.6M | 0.14% | −60,132−4.1% | Reduced |
| Ameriprise Financial Inc | 1,427,178 | $340.7M | 0.11% | −51,785−3.5% | Reduced |
| Royal Bank of Canada | 1,526,503 | $364.5M | 0.10% | −68,169−4.3% | Reduced |
| Renaissance Technologies LLC | 1,545,101 | $368.9M | 0.46% | +443,823+40.3% | Added |
| Legal & General Group Plc | 1,548,896 | $369.8M | 0.12% | +44,799+3.0% | Added |
| Goldman Sachs Group Inc | 1,702,732 | $406.5M | 0.11% | +88,041+5.5% | Added |
| California Public Employees Retirement System | 1,728,910 | $412.8M | 0.31% | −29,925−1.7% | Reduced |
| Invesco Ltd. | 1,817,477 | $433.9M | 0.11% | +60,422+3.4% | Added |
| Arrowstreet Capital, Limited Partnership | 1,849,660 | $441.6M | 0.54% | +395,603+27.2% | Added |
| Artisan Partners Limited Partnership | 1,892,000 | $451.7M | 0.54% | −499,795−20.9% | Reduced |
| BlueSpruce Investments, LP | 2,046,862 | $488.7M | 8.91% | +288,342+16.4% | Added |
| Bank of New York Mellon Corp | 2,209,621 | $527.6M | 0.10% | +489,876+28.5% | Added |
| Wellington Management Group LLP | 2,331,961 | $556.8M | 0.09% | +2,330,528+162,632.8% | Added |
| EdgePoint Investment Group Inc. | 2,413,627 | $576.3M | 4.38% | +66,025+2.8% | Added |
| Farallon Capital Management, L.L.C. | 2,642,614 | $631.0M | 3.04% | +188,420+7.7% | Added |
| Northern Trust Corp | 2,819,850 | $673.3M | 0.12% | −53,360−1.9% | Reduced |
| Mackenzie Financial Corp | 2,837,378 | $677.5M | 0.94% | +462,746+19.5% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,903,054 | $693.1M | 2.10% | +748,565+34.7% | Added |
| Bank of America Corp | 2,959,725 | $706.7M | 0.08% | +81,156+2.8% | Added |
| Capital World Investors | 2,991,193 | $714.2M | 0.12% | +1,057,909+54.7% | Added |
| Independent Franchise Partners LLP | 3,398,853 | $811.5M | 6.05% | +8,592+0.3% | Added |
| Longview Partners (Guernsey) LTD | 3,476,946 | $830.2M | 4.56% | −179,705−4.9% | Reduced |
| Neuberger Berman Group LLC | 3,834,426 | $914.7M | 0.80% | −180,253−4.5% | Reduced |
| Geode Capital Management, LLC | 3,947,152 | $939.8M | 0.13% | +360,705+10.1% | Added |