AON PLC

Ticker: AON CUSIP: G0403H108 Class: SHS CL A

CHICAGO TRUST Co NA's Holding History (CIK: 0001601539)

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

Q4 2025
Shares 1,724 Value ($000) $608 Avg Close $349.16 Range $324.28 - $370.31
Q3 2025
Shares 1,744 Value ($000) $622 Avg Close $361.49 Range $345.06 - $380.20
Q2 2025
Shares 1,784 Value ($000) $636 Avg Close $361.30 Range $322.37 - $399.35
Q1 2025
Shares 1,804 Value ($000) $720 Avg Close $381.59 Range $343.99 - $411.24
Q4 2024
Shares 2,059 Value ($000) $740 Avg Close $365.26 Range $339.24 - $392.96
Q3 2024
Shares 2,059 Value ($000) $712 Avg Close $324.38 Range $288.84 - $350.77
Q2 2024
Shares 2,059 Value ($000) $604 Avg Close $292.51 Range $264.78 - $328.92
Q1 2024
Shares 2,308 Value ($000) $770 Avg Close $306.03 Range $281.78 - $331.94
Q4 2023
Shares 4,016 Value ($000) $1,169 Avg Close $315.32 Range $280.78 - $332.21
Q3 2023
Shares 4,170 Value ($000) $1,352 Avg Close $325.28 Range $307.94 - $339.08
Q2 2023
Shares 3,787 Value ($000) $1,307 Avg Close $318.69 Range $301.32 - $341.07
Q1 2023
Shares 4,267 Value ($000) $1,345 Avg Close $303.19 Range $275.29 - $321.21
Q4 2022
Shares 4,100 Value ($000) $1 Avg Close $285.70 Range $260.07 - $307.82
Q3 2022
Shares 4,065 Value ($000) $1,088 Avg Close $275.86 Range $255.74 - $296.14
Q2 2022
Shares 4,281 Value ($000) $1,154 Avg Close $279.95 Range $239.95 - $332.69
Q1 2022
Shares 4,281 Value ($000) $1,394 Avg Close $282.81 Range $252.06 - $322.12
Q4 2021
Shares 4,285 Value ($000) $1,288 Avg Close $290.95 Range $274.90 - $316.79
Q3 2021
Shares 3,924 Value ($000) $1,122 Avg Close $260.29 Range $215.96 - $293.10
Q2 2021
Shares 4,049 Value ($000) $967 Avg Close $236.31 Range $221.03 - $252.51
Q1 2021
Shares 2,018 Value ($000) $465 Avg Close $212.41 Range $193.30 - $227.75
Q4 2020
Shares 2,021 Value ($000) $427 Avg Close $196.52 Range $172.95 - $208.05
Q3 2020
Shares 2,018 Value ($000) $417 Avg Close $191.78 Range $180.89 - $203.83
Q2 2020
Shares 2,167 Value ($000) $417 Avg Close $178.56 Range $144.47 - $196.01