Aon plc 13F holders
1,266 funds reported a position in Aon plc in their 13F for the quarter ended 30 June 2026, together 192.9 million shares worth $63.93 billion. Against the quarter before, 100 opened a position, 461 added, 449 trimmed and 117 sold out; together they bought a net 2.1 million shares. The largest holders: BlackRock, Inc., Vanguard Capital Management LLC and JPMorgan Chase & Co.
Funds holding1,266+4 on Q1 2026
Shares they held192.9Mworth $63.93 billion
Net bought on the quarter2.1M sharesabout $710.0 million at the funds' values
Funds buying to selling561 to 566opened or added, to cut or sold
Opened 100Added 461Held 246Trimmed 449Sold out 117
What each fund did in AON against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in AON in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
4,696 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 576 reported a position in Aon plc: 34 opened one, 135 added, 258 trimmed and 97 sold out, a net 4.2 million shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 1 reported a position in Aon plc in a 13F for the quarter ended 30 September 2026, and 9 more in a 13F for an earlier quarter, the latest each has filed. The largest: Dodge & Cox, 8.6 million shares worth $2.85 billion, 1.5% of its reported book (its 13F for the quarter ended 30 June 2026). Sold out: Renaissance Technologies, Point72 Asset Management. In the quarter, 1 fund added or opened a position and 0 trimmed or sold out; together they bought a net 79,451 shares, about $21.9 million at the funds' own value per share on 30 September 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Dodge & Cox | 8,593,144 | $2.85 billion | 1.5% | +477,049 | added | 30 June 2026, an earlier quarter | 13F |
| Geode Capital Management | 5,260,004 | $1.45 billion | 0.1% | +79,451 | added | 30 September 2026 | 13F |
| Norges Bank | 2,796,760 | $927.7 million | 0.1% | held | 30 June 2026, an earlier quarter | 13F | |
| Viking Global Investors | 1,151,269 | $381.9 million | 1.1% | +64,155 | added | 30 June 2026, an earlier quarter | 13F |
| FMR LLC | 551,367 | $182.9 million | 0.0% | +28,183 | added | 30 June 2026, an earlier quarter | 13F |
| Millennium Management | 312,198 | $103.6 million | 0.1% | +292,222 | added | 30 June 2026, an earlier quarter | 13F |
| Citadel Advisors | 105,569 | $35.0 million | 0.0% | +25,269 | added | 30 June 2026, an earlier quarter | 13F |
| Alyeska | 42,695 | $14.2 million | 0.0% | -19,035 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Bridgewater Associates | 15,663 | $5.2 million | 0.0% | -4,556 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Two Sigma Investments | 6,297 | $2.1 million | 0.0% | -13,240 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Renaissance Technologies | 0 | $0 | 0.0% | -11,601 | exited | 30 June 2026, an earlier quarter | 13F |
| Point72 Asset Management | 0 | $0 | 0.0% | -33,297 | exited | 30 June 2026, an earlier quarter | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 15,716,429 | 8.15% | $5.21 billion | 0.08% | -432,078 | 13F |
| Vanguard Capital Management LLC | 13,603,465 | 7.05% | $4.51 billion | 0.10% | +21,709 | 13F |
| JPMorgan Chase & Co. | 12,175,974 | 6.31% | $3.99 billion | 0.23% | +6,534,543 | 13F |
| Capital World Investors | 11,711,650 | 6.07% | $3.88 billion | 0.46% | +233,862 | 13F |
| State Street Corp. | 9,416,039 | 4.88% | $3.12 billion | 0.09% | +196,266 | 13F |
| Dodge & Cox | 8,593,144 | 4.45% | $2.85 billion | 1.49% | +477,049 | 13F |
| Massachusetts Financial Services Co. | 7,615,397 | 3.95% | $2.58 billion | 0.82% | -742,700 | 13F |
| Vanguard Portfolio Management LLC | 7,202,991 | 3.73% | $2.39 billion | 0.11% | +2,643,956 | 13F |
| Morgan Stanley | 6,214,787 | 3.22% | $2.06 billion | 0.11% | -160,158 | 13F |
| Geode Capital Management, LLC | 5,180,553 | 2.69% | $1.71 billion | 0.09% | -63,756 | 13F |
| Bank of New York Mellon Corp | 3,191,212 | 1.65% | $1.06 billion | 0.17% | -129,880 | 13F |
| Price T Rowe Associates Inc. | 3,136,640 | 1.63% | $1.04 billion | 0.10% | +1,855,714 | 13F |
| Norges Bank | 2,796,760 | 1.45% | $927.7 million | 0.09% | 13F | |
| Mitsubishi UFJ Asset Management Co., Ltd. | 2,753,913 | 1.43% | $913.4 million | 0.51% | +237,276 | 13F |
| Independent Franchise Partners LLP | 2,646,943 | 1.37% | $878.0 million | 5.76% | +58,941 | 13F |
| Arrowstreet Capital, Limited Partnership | 2,614,754 | 1.36% | $867.3 million | 0.39% | +1,817,336 | 13F |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 2,255,768 | 1.17% | $748.2 million | 0.59% | -692,642 | 13F |
| Boston Partners | 2,089,773 | 1.08% | $695.8 million | 0.62% | +134,741 | 13F |
| Northern Trust Corp. | 2,040,534 | 1.06% | $676.8 million | 0.08% | -41,571 | 13F |
| AQR Capital Management LLC | 1,905,800 | 0.99% | $623.0 million | 0.22% | +926,045 | 13F |
| WCM Investment Management, LLC | 1,875,859 | 0.97% | $614.5 million | 1.11% | -76,520 | 13F |
| Artisan Partners Limited Partnership | 1,850,623 | 0.96% | $613.8 million | 1.00% | +206,471 | 13F |
| Goldman Sachs Group Inc. | 1,748,801 | 0.91% | $580.1 million | 0.06% | +164,810 | 13F |
| Neuberger Berman Group LLC | 1,691,729 | 0.88% | $561.1 million | 0.37% | -166,105 | 13F |
| Bank of America Corp. | 1,624,970 | 0.84% | $539.0 million | 0.04% | +42,290 | 13F |
| Veritas Asset Management LLP | 1,408,111 | 0.73% | $467.1 million | 8.40% | -112,166 | 13F |
| Farallon Capital Management, L.l.c. | 1,382,562 | 0.72% | $458.6 million | 2.71% | -1,130,076 | 13F |
| Charles Schwab Investment Management Inc. | 1,345,367 | 0.70% | $446.2 million | 0.06% | -9,727 | 13F |
| Legal & General Group Plc | 1,288,852 | 0.67% | $427.5 million | 0.09% | -52,370 | 13F |
| Dimensional Fund Advisors LP | 1,240,634 | 0.64% | $411.5 million | 0.07% | -13,135 | 13F |
| Vanguard Fiduciary Trust Co. | 1,190,449 | 0.62% | $394.9 million | 0.09% | -35,114 | 13F |
| Mawer Investment Management Ltd. | 1,171,624 | 0.61% | $388.6 million | 2.64% | -105,464 | 13F |
| Viking Global Investors LP | 1,151,269 | 0.60% | $381.9 million | 1.09% | +64,155 | 13F |
| Lazard Asset Management LLC | 1,122,874 | 0.58% | $372.4 million | 0.56% | -94,369 | 13F |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 1,114,156 | 0.58% | $369.6 million | 2.96% | -373,731 | 13F |
| Invesco Ltd. | 1,069,331 | 0.55% | $354.7 million | 0.03% | -417,292 | 13F |
| Amundi | 993,712 | 0.52% | $329.6 million | 0.08% | -509,178 | 13F |
| Nuveen, LLC | 878,682 | 0.46% | $291.4 million | 0.07% | +27,601 | 13F |
| UBS Group AG | 822,267 | 0.43% | $272.7 million | 0.04% | -81,661 | 13F |
| Comgest Global Investors S.a.s. | 820,270 | 0.43% | $272.1 million | 5.99% | +191,570 | 13F |
| PineStone Asset Management Inc. | 799,293 | 0.41% | $265.1 million | 1.64% | new | 13F |
| Capital International Investors | 793,989 | 0.41% | $263.1 million | 0.05% | -13,086 | 13F |
| Longview Partners (Guernsey) LTD | 768,975 | 0.40% | $255.1 million | 4.14% | -207,288 | 13F |
| FIL Ltd | 753,981 | 0.39% | $250.1 million | 0.18% | +8,022 | 13F |
| Wealthspire Advisors, LLC | 726,424 | 0.38% | $240.9 million | 1.33% | -257,651 | 13F |
| Focus Partners Wealth | 706,903 | 0.37% | $234.5 million | 0.24% | +76,098 | 13F |
| Ameriprise Financial Inc. | 692,802 | 0.36% | $229.8 million | 0.05% | -387,870 | 13F |
| Baupost Group LLC | 687,000 | 0.36% | $227.9 million | 4.21% | -82,000 | 13F |
| Meritage Group LP | 684,518 | 0.35% | $227.0 million | 8.75% | +4,349 | 13F |
| First Pacific Advisors, LP | 681,367 | 0.35% | $226.0 million | 2.84% | -21,891 | 13F |
The 50 largest of the 1,266 funds that reported a position in AON in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on AON
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 49,800 | $16.5 million | 30 June 2026 | 13F |
| Citadel Advisors | Puts | 16,300 | $5.4 million | 30 June 2026 | 13F |
| Millennium Management | Puts | 16,100 | $5.3 million | 30 June 2026 | 13F |
| Millennium Management | Calls | 15,700 | $5.2 million | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 16 October 2026 | 13G/A | Jpmorgan Chase & Co. and 1 other | 14.3 million | 6.7% | 30 September 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 16 July 2026 | 13G | Jpmorgan Chase & Co and 1 other | 12.2 million | 5.6% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Capital Management and 1 other | 15.7 million | 7.3% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 28 August 2026 | 16 | $349.56 | SEC |
| 17 August 2026 | 30 | $355.83 | SEC |
| 10 August 2026 | 59 | $358.30 | SEC |
| 6 August 2026 | 7,520 | $359.97 | SEC |
| 29 July 2026 | 920 | $381.26 | SEC |
| 28 July 2026 | 1,202 | $367.17 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.