As of 30 Sep 2025, 4 institutional investors reported holding 68,156 shares of AON - Stock (AON).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 796 | $280,892 | $352.88 | 2 | |
| 2025 Q3 | 68,156 | $24,303,066 | -$287,760 | $356.58 | 4 |
| 2025 Q2 | 68,963 | $24,603,240 | -$252,229 | $356.76 | 4 |
| 2025 Q1 | 69,670 | $27,804,600 | -$1,151,013 | $399.09 | 4 |
| 2024 Q4 | 80,975 | $26,147,976 | -$358,442 | $359.16 | 5 |
| 2024 Q3 | 71,312 | $24,673,239 | -$419,340 | $345.99 | 4 |
| 2024 Q2 | 72,524 | $21,291,577 | -$69,872 | $293.58 | 4 |
| 2024 Q1 | 76,254 | $25,447,484 | -$60,832 | $333.72 | 5 |
| 2023 Q4 | 76,442 | $22,246,122 | -$10,503,666 | $291.02 | 6 |
| 2023 Q3 | 108,815 | $35,279,894 | -$78,558,612 | $324.22 | 5 |
| 2023 Q2 | 351,115 | $121,204,898 | +$93,531,250 | $345.20 | 4 |
| 2023 Q1 | 80,167 | $25,275,854 | -$89,702,024 | $315.29 | 3 |
| 2022 Q4 | 378,984 | $113,747,399 | +$9,952,346 | $300.14 | 4 |
| 2022 Q3 | 345,825 | $92,636,000 | -$4,821,095 | $267.87 | 4 |
| 2022 Q2 | 363,663 | $98,106,000 | -$996,513 | $269.74 | 7 |
| 2022 Q1 | 367,359 | $119,635,000 | -$31,597,974 | $325.63 | 6 |
| 2021 Q4 | 464,425 | $139,497,000 | +$21,140,072 | $300.56 | 7 |
| 2021 Q3 | 395,000 | $112,893,286 | -$336,027 | $285.84 | 10 |
| 2021 Q2 | 395,626 | $94,458,783 | -$4,784,106 | $238.76 | 11 |
| 2021 Q1 | 417,366 | $95,931,170 | -$5,137,113 | $230.13 | 17 |
| 2020 Q4 | 439,822 | $92,901,915 | -$7,415,434 | $211.27 | 17 |
| 2020 Q3 | 480,854 | $98,991,289 | +$1,641,175 | $206.30 | 23 |
| 2020 Q2 | 30,654 | $5,059,000 | -$27,163,207,000 | $178.52 | 1 |
| 2020 Q1 | 165,558,661 | $27,324,606,737 | -$6,200,284,842 | $165.04 | 592 |
| 2019 Q4 | 199,037,634 | $41,457,523,558 | -$458,806,117 | $208.29 | 785 |
| 2019 Q3 | 199,756,189 | $38,663,617,669 | -$195,907,554 | $193.57 | 704 |
| 2019 Q2 | 203,043,893 | $39,170,500,817 | +$159,934,442 | $192.98 | 668 |
| 2019 Q1 | 205,237,792 | $35,025,240,777 | +$196,798,560 | $170.70 | 675 |
| 2018 Q4 | 204,038,285 | $29,650,025,641 | -$297,393,005 | $145.36 | 666 |
| 2018 Q3 | 205,578,018 | $31,611,606,470 | +$375,419,607 | $153.78 | 604 |
| 2018 Q2 | 194,600,102 | $26,691,426,976 | -$379,991,219 | $137.17 | 613 |
| 2018 Q1 | 206,917,612 | $29,020,420,461 | -$676,452,001 | $140.33 | 605 |
| 2017 Q4 | 213,044,999 | $28,504,036,137 | -$751,913,359 | $134.00 | 611 |
| 2017 Q3 | 220,451,186 | $32,206,816,396 | -$348,953,941 | $146.10 | 566 |
| 2017 Q2 | 223,421,246 | $29,704,233,865 | -$453,461,581 | $132.95 | 564 |
| 2017 Q1 | 229,322,682 | $27,221,312,926 | +$1,862,855,544 | $118.69 | 526 |
| 2016 Q4 | 227,413,542 | $25,361,291,874 | +$188,396,924 | $111.53 | 561 |
| 2016 Q3 | 222,997,963 | $25,064,615,509 | -$381,701,558 | $112.49 | 502 |
| 2016 Q2 | 224,918,041 | $24,556,366,645 | -$153,812,564 | $109.23 | 512 |
| 2016 Q1 | 226,594,566 | $23,658,685,542 | -$890,875,920 | $104.45 | 484 |
| 2015 Q4 | 234,731,305 | $21,649,493,392 | -$125,310,581 | $92.21 | 492 |
| 2015 Q3 | 236,588,463 | $20,964,104,298 | -$364,032,112 | $88.61 | 489 |
| 2015 Q2 | 237,639,840 | $23,683,109,559 | -$91,046,392 | $99.68 | 485 |
| 2015 Q1 | 242,179,144 | $23,276,370,913 | -$147,158,381 | $96.12 | 483 |
| 2014 Q4 | 243,827,233 | $23,124,064,313 | -$221,659,197 | $94.83 | 471 |
| 2014 Q3 | 244,124,099 | $21,398,741,632 | -$533,431,468 | $87.67 | 435 |
| 2014 Q2 | 250,045,908 | $22,525,500,360 | -$227,699,204 | $90.09 | 451 |
| 2014 Q1 | 254,196,601 | $21,458,816,254 | -$110,885,737 | $84.28 | 448 |