AON PLC

Ticker: AON CUSIP: G0403H108 Class: SHS CL A

OBERMEYER WOOD INVESTMENT COUNSEL, LLLP's Holding History (CIK: 0001349654)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 98,342 Value ($000) $34,703 Avg Close $349.16 Range $324.28 - $370.31

Q3 2025

Shares 101,073 Value ($000) $36,040 Avg Close $361.49 Range $345.06 - $380.20

Q2 2025

Shares 102,502 Value ($000) $36,569 Avg Close $361.30 Range $322.37 - $399.35

Q1 2025

Shares 104,919 Value ($000) $41,872 Avg Close $381.59 Range $343.99 - $411.24

Q4 2024

Shares 108,090 Value ($000) $38,822 Avg Close $365.26 Range $339.24 - $392.96

Q3 2024

Shares 110,164 Value ($000) $38,116 Avg Close $324.38 Range $288.84 - $350.77

Q2 2024

Shares 112,592 Value ($000) $33,055 Avg Close $292.51 Range $264.78 - $328.92

Q1 2024

Shares 112,774 Value ($000) $37,635 Avg Close $306.03 Range $281.78 - $331.94

Q4 2023

Shares 165,496 Value ($000) $48,163 Avg Close $315.32 Range $280.78 - $332.21

Q3 2023

Shares 169,092 Value ($000) $54,823 Avg Close $325.28 Range $307.94 - $339.08

Q2 2023

Shares 172,654 Value ($000) $59,600 Avg Close $318.69 Range $301.32 - $341.07

Q1 2023

Shares 179,366 Value ($000) $56,844 Avg Close $303.19 Range $275.29 - $321.21

Q4 2022

Shares 193,087 Value ($000) $57,953 Avg Close $285.70 Range $260.07 - $307.82

Q3 2022

Shares 197,272 Value ($000) $52,843 Avg Close $275.86 Range $255.74 - $296.14

Q2 2022

Shares 202,651 Value ($000) $54,651 Avg Close $279.95 Range $239.95 - $332.69

Q1 2022

Shares 207,098 Value ($000) $67,437 Avg Close $282.81 Range $252.06 - $322.12

Q4 2021

Shares 209,981 Value ($000) $63,112 Avg Close $290.95 Range $274.90 - $316.79

Q3 2021

Shares 208,607 Value ($000) $59,614 Avg Close $260.29 Range $215.96 - $293.10

Q2 2021

Shares 207,284 Value ($000) $49,491 Avg Close $236.31 Range $221.03 - $252.51

Q1 2021

Shares 205,233 Value ($000) $47,226 Avg Close $212.41 Range $193.30 - $227.75

Q4 2020

Shares 206,295 Value ($000) $43,584 Avg Close $196.52 Range $172.95 - $208.05

Q3 2020

Shares 207,602 Value ($000) $42,828 Avg Close $191.78 Range $180.89 - $203.83

Q2 2020

Shares 204,723 Value ($000) $39,430 Avg Close $178.56 Range $144.47 - $196.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	98,342	$34,703	$349.16	$324.28 - $370.31
Q3 2025	101,073	$36,040	$361.49	$345.06 - $380.20
Q2 2025	102,502	$36,569	$361.30	$322.37 - $399.35
Q1 2025	104,919	$41,872	$381.59	$343.99 - $411.24
Q4 2024	108,090	$38,822	$365.26	$339.24 - $392.96
Q3 2024	110,164	$38,116	$324.38	$288.84 - $350.77
Q2 2024	112,592	$33,055	$292.51	$264.78 - $328.92
Q1 2024	112,774	$37,635	$306.03	$281.78 - $331.94
Q4 2023	165,496	$48,163	$315.32	$280.78 - $332.21
Q3 2023	169,092	$54,823	$325.28	$307.94 - $339.08
Q2 2023	172,654	$59,600	$318.69	$301.32 - $341.07
Q1 2023	179,366	$56,844	$303.19	$275.29 - $321.21
Q4 2022	193,087	$57,953	$285.70	$260.07 - $307.82
Q3 2022	197,272	$52,843	$275.86	$255.74 - $296.14
Q2 2022	202,651	$54,651	$279.95	$239.95 - $332.69
Q1 2022	207,098	$67,437	$282.81	$252.06 - $322.12
Q4 2021	209,981	$63,112	$290.95	$274.90 - $316.79
Q3 2021	208,607	$59,614	$260.29	$215.96 - $293.10
Q2 2021	207,284	$49,491	$236.31	$221.03 - $252.51
Q1 2021	205,233	$47,226	$212.41	$193.30 - $227.75
Q4 2020	206,295	$43,584	$196.52	$172.95 - $208.05
Q3 2020	207,602	$42,828	$191.78	$180.89 - $203.83
Q2 2020	204,723	$39,430	$178.56	$144.47 - $196.01