AON PLC

Ticker: AON CUSIP: G0403H108 Class: SHS CL A

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q4 2025

Shares 93,696 Value ($000) $33,063 Avg Close $349.16 Range $324.28 - $370.31

Q3 2025

Shares 93,244 Value ($000) $33,249 Avg Close $361.49 Range $345.06 - $380.20

Q2 2025

Shares 93,368 Value ($000) $33,310 Avg Close $361.30 Range $322.37 - $399.35

Q1 2025

Shares 93,632 Value ($000) $37,368 Avg Close $381.59 Range $343.99 - $411.24

Q4 2024

Shares 93,524 Value ($000) $33,590 Avg Close $365.26 Range $339.24 - $392.96

Q3 2024

Shares 93,738 Value ($000) $32,432 Avg Close $324.38 Range $288.84 - $350.77

Q2 2024

Shares 93,810 Value ($000) $27,541 Avg Close $292.51 Range $264.78 - $328.92

Q1 2024

Shares 93,895 Value ($000) $31,335 Avg Close $306.03 Range $281.78 - $331.94

Q4 2023

Shares 93,898 Value ($000) $27,326 Avg Close $315.32 Range $280.78 - $332.21

Q3 2023

Shares 93,987 Value ($000) $30,472 Avg Close $325.28 Range $307.94 - $339.08

Q2 2023

Shares 94,410 Value ($000) $32,590 Avg Close $318.69 Range $301.32 - $341.07

Q1 2023

Shares 94,554 Value ($000) $29,812 Avg Close $303.19 Range $275.29 - $321.21

Q4 2022

Shares 96,255 Value ($000) $28,890 Avg Close $285.70 Range $260.07 - $307.82

Q3 2022

Shares 107,813 Value ($000) $28,880 Avg Close $275.86 Range $255.74 - $296.14

Q2 2022

Shares 109,194 Value ($000) $29,447 Avg Close $279.95 Range $239.95 - $332.69

Q1 2022

Shares 96,284 Value ($000) $31,353 Avg Close $282.81 Range $252.06 - $322.12

Q4 2021

Shares 104,411 Value ($000) $31,382 Avg Close $290.95 Range $274.90 - $316.79

Q3 2021

Shares 107,824 Value ($000) $30,813 Avg Close $260.29 Range $215.96 - $293.10

Q2 2021

Shares 107,925 Value ($000) $25,768 Avg Close $236.31 Range $221.03 - $252.51

Q1 2021

Shares 108,094 Value ($000) $24,874 Avg Close $212.41 Range $193.30 - $227.75

Q4 2020

Shares 108,106 Value ($000) $22,840 Avg Close $196.52 Range $172.95 - $208.05

Q3 2020

Shares 118,945 Value ($000) $24,538 Avg Close $191.78 Range $180.89 - $203.83

Q2 2020

Shares 131,677 Value ($000) $25,361 Avg Close $178.56 Range $144.47 - $196.01

Q1 2020

Shares 156,727 Value ($000) $25,866 Avg Close $195.70 Range $137.67 - $227.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	93,696	$33,063	$349.16	$324.28 - $370.31
Q3 2025	93,244	$33,249	$361.49	$345.06 - $380.20
Q2 2025	93,368	$33,310	$361.30	$322.37 - $399.35
Q1 2025	93,632	$37,368	$381.59	$343.99 - $411.24
Q4 2024	93,524	$33,590	$365.26	$339.24 - $392.96
Q3 2024	93,738	$32,432	$324.38	$288.84 - $350.77
Q2 2024	93,810	$27,541	$292.51	$264.78 - $328.92
Q1 2024	93,895	$31,335	$306.03	$281.78 - $331.94
Q4 2023	93,898	$27,326	$315.32	$280.78 - $332.21
Q3 2023	93,987	$30,472	$325.28	$307.94 - $339.08
Q2 2023	94,410	$32,590	$318.69	$301.32 - $341.07
Q1 2023	94,554	$29,812	$303.19	$275.29 - $321.21
Q4 2022	96,255	$28,890	$285.70	$260.07 - $307.82
Q3 2022	107,813	$28,880	$275.86	$255.74 - $296.14
Q2 2022	109,194	$29,447	$279.95	$239.95 - $332.69
Q1 2022	96,284	$31,353	$282.81	$252.06 - $322.12
Q4 2021	104,411	$31,382	$290.95	$274.90 - $316.79
Q3 2021	107,824	$30,813	$260.29	$215.96 - $293.10
Q2 2021	107,925	$25,768	$236.31	$221.03 - $252.51
Q1 2021	108,094	$24,874	$212.41	$193.30 - $227.75
Q4 2020	108,106	$22,840	$196.52	$172.95 - $208.05
Q3 2020	118,945	$24,538	$191.78	$180.89 - $203.83
Q2 2020	131,677	$25,361	$178.56	$144.47 - $196.01
Q1 2020	156,727	$25,866	$195.70	$137.67 - $227.83