AON PLC

Ticker: AON CUSIP: G0403H108 Class: SHS CL A

Boston Partners's Holding History (CIK: 0001386060)

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

Q4 2025

Shares 1,635,007 Value ($000) $576,317 Avg Close $349.16 Range $324.28 - $370.31

Q3 2025

Shares 1,711,250 Value ($000) $610,986 Avg Close $361.49 Range $345.06 - $380.20

Q2 2025

Shares 1,481,152 Value ($000) $528,764 Avg Close $361.30 Range $322.37 - $399.35

Q1 2025

Shares 2,121,607 Value ($000) $844,533 Avg Close $381.59 Range $343.99 - $411.24

Q4 2024

Shares 2,035,998 Value ($000) $731,799 Avg Close $365.26 Range $339.24 - $392.96

Q3 2024

Shares 1,791,292 Value ($000) $620,433 Avg Close $324.38 Range $288.84 - $350.77

Q2 2024

Shares 1,344,074 Value ($000) $394,756 Avg Close $292.51 Range $264.78 - $328.92

Q1 2024

Shares 984,445 Value ($000) $326,864 Avg Close $306.03 Range $281.78 - $331.94

Q4 2023

Shares 640,810 Value ($000) $186,824 Avg Close $315.32 Range $280.78 - $332.21

Q3 2023

Shares 1,212,143 Value ($000) $392,525 Avg Close $325.28 Range $307.94 - $339.08

Q2 2023

Shares 1,516,908 Value ($000) $522,642 Avg Close $318.69 Range $301.32 - $341.07

Q1 2023

Shares 1,532,145 Value ($000) $483,342 Avg Close $303.19 Range $275.29 - $321.21

Q4 2022

Shares 1,042,393 Value ($000) $312,936 Avg Close $285.70 Range $260.07 - $307.82

Q3 2022

Shares 1,124,939 Value ($000) $301,381 Avg Close $275.86 Range $255.74 - $296.14

Q2 2022

Shares 1,087,969 Value ($000) $293,436 Avg Close $279.95 Range $239.95 - $332.69

Q1 2022

Shares 984,224 Value ($000) $320,516 Avg Close $282.81 Range $252.06 - $322.12

Q4 2021

Shares 961,718 Value ($000) $289,025 Avg Close $290.95 Range $274.90 - $316.79

Q3 2021

Shares 983,226 Value ($000) $280,999 Avg Close $260.29 Range $215.96 - $293.10

Q2 2021

Shares 953,222 Value ($000) $227,593 Avg Close $236.31 Range $221.03 - $252.51

Q1 2021

Shares 930,761 Value ($000) $214,180 Avg Close $212.41 Range $193.30 - $227.75

Q4 2020

Shares 947,310 Value ($000) $200,138 Avg Close $196.52 Range $172.95 - $208.05

Q3 2020

Shares 1,108,599 Value ($000) $228,704 Avg Close $191.78 Range $180.89 - $203.83

Q2 2020

Shares 1,106,583 Value ($000) $213,122 Avg Close $178.56 Range $144.47 - $196.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,635,007	$576,317	$349.16	$324.28 - $370.31
Q3 2025	1,711,250	$610,986	$361.49	$345.06 - $380.20
Q2 2025	1,481,152	$528,764	$361.30	$322.37 - $399.35
Q1 2025	2,121,607	$844,533	$381.59	$343.99 - $411.24
Q4 2024	2,035,998	$731,799	$365.26	$339.24 - $392.96
Q3 2024	1,791,292	$620,433	$324.38	$288.84 - $350.77
Q2 2024	1,344,074	$394,756	$292.51	$264.78 - $328.92
Q1 2024	984,445	$326,864	$306.03	$281.78 - $331.94
Q4 2023	640,810	$186,824	$315.32	$280.78 - $332.21
Q3 2023	1,212,143	$392,525	$325.28	$307.94 - $339.08
Q2 2023	1,516,908	$522,642	$318.69	$301.32 - $341.07
Q1 2023	1,532,145	$483,342	$303.19	$275.29 - $321.21
Q4 2022	1,042,393	$312,936	$285.70	$260.07 - $307.82
Q3 2022	1,124,939	$301,381	$275.86	$255.74 - $296.14
Q2 2022	1,087,969	$293,436	$279.95	$239.95 - $332.69
Q1 2022	984,224	$320,516	$282.81	$252.06 - $322.12
Q4 2021	961,718	$289,025	$290.95	$274.90 - $316.79
Q3 2021	983,226	$280,999	$260.29	$215.96 - $293.10
Q2 2021	953,222	$227,593	$236.31	$221.03 - $252.51
Q1 2021	930,761	$214,180	$212.41	$193.30 - $227.75
Q4 2020	947,310	$200,138	$196.52	$172.95 - $208.05
Q3 2020	1,108,599	$228,704	$191.78	$180.89 - $203.83
Q2 2020	1,106,583	$213,122	$178.56	$144.47 - $196.01