AON PLC

Ticker: AON CUSIP: G0403H108 Class: SHS CL A

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q4 2025

Shares 63,195 Value ($000) $22,300 Avg Close $349.16 Range $324.28 - $370.31

Q3 2025

Shares 56,474 Value ($000) $20,138 Avg Close $361.49 Range $345.06 - $380.20

Q2 2025

Shares 57,175 Value ($000) $20,398 Avg Close $361.30 Range $322.37 - $399.35

Q1 2025

Shares 54,108 Value ($000) $21,594 Avg Close $381.59 Range $343.99 - $411.24

Q4 2024

Shares 53,361 Value ($000) $19,165 Avg Close $365.26 Range $339.24 - $392.96

Q3 2024

Shares 52,400 Value ($000) $18,130 Avg Close $324.38 Range $288.84 - $350.77

Q2 2024

Shares 58,022 Value ($000) $17,034 Avg Close $292.51 Range $264.78 - $328.92

Q1 2024

Shares 75,247 Value ($000) $25,111 Avg Close $306.03 Range $281.78 - $331.94

Q4 2023

Shares 126,686 Value ($000) $36,868 Avg Close $315.32 Range $280.78 - $332.21

Q3 2023

Shares 69,891 Value ($000) $22,660 Avg Close $325.28 Range $307.94 - $339.08

Q2 2023

Shares 44,296 Value ($000) $15,291 Avg Close $318.69 Range $301.32 - $341.07

Q1 2023

Shares 34,252 Value ($000) $10,799 Avg Close $303.19 Range $275.29 - $321.21

Q4 2022

Shares 34,293 Value ($000) $10,293 Avg Close $285.70 Range $260.07 - $307.82

Q3 2022

Shares 45,877 Value ($000) $12,289 Avg Close $275.86 Range $255.74 - $296.14

Q2 2022

Shares 47,588 Value ($000) $12,834 Avg Close $279.95 Range $239.95 - $332.69

Q1 2022

Shares 24,484 Value ($000) $7,973 Avg Close $282.81 Range $252.06 - $322.12

Q4 2021

Shares 111,918 Value ($000) $33,638 Avg Close $290.95 Range $274.90 - $316.79

Q3 2021

Shares 112,154 Value ($000) $32,051 Avg Close $260.29 Range $215.96 - $293.10

Q2 2021

Shares 164,139 Value ($000) $39,191 Avg Close $236.31 Range $221.03 - $252.51

Q1 2021

Shares 155,709 Value ($000) $35,830 Avg Close $212.41 Range $193.30 - $227.75

Q4 2020

Shares 159,267 Value ($000) $33,648 Avg Close $196.52 Range $172.95 - $208.05

Q3 2020

Shares 167,110 Value ($000) $34,474 Avg Close $191.78 Range $180.89 - $203.83

Q2 2020

Shares 162,420 Value ($000) $31,280 Avg Close $178.56 Range $144.47 - $196.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	63,195	$22,300	$349.16	$324.28 - $370.31
Q3 2025	56,474	$20,138	$361.49	$345.06 - $380.20
Q2 2025	57,175	$20,398	$361.30	$322.37 - $399.35
Q1 2025	54,108	$21,594	$381.59	$343.99 - $411.24
Q4 2024	53,361	$19,165	$365.26	$339.24 - $392.96
Q3 2024	52,400	$18,130	$324.38	$288.84 - $350.77
Q2 2024	58,022	$17,034	$292.51	$264.78 - $328.92
Q1 2024	75,247	$25,111	$306.03	$281.78 - $331.94
Q4 2023	126,686	$36,868	$315.32	$280.78 - $332.21
Q3 2023	69,891	$22,660	$325.28	$307.94 - $339.08
Q2 2023	44,296	$15,291	$318.69	$301.32 - $341.07
Q1 2023	34,252	$10,799	$303.19	$275.29 - $321.21
Q4 2022	34,293	$10,293	$285.70	$260.07 - $307.82
Q3 2022	45,877	$12,289	$275.86	$255.74 - $296.14
Q2 2022	47,588	$12,834	$279.95	$239.95 - $332.69
Q1 2022	24,484	$7,973	$282.81	$252.06 - $322.12
Q4 2021	111,918	$33,638	$290.95	$274.90 - $316.79
Q3 2021	112,154	$32,051	$260.29	$215.96 - $293.10
Q2 2021	164,139	$39,191	$236.31	$221.03 - $252.51
Q1 2021	155,709	$35,830	$212.41	$193.30 - $227.75
Q4 2020	159,267	$33,648	$196.52	$172.95 - $208.05
Q3 2020	167,110	$34,474	$191.78	$180.89 - $203.83
Q2 2020	162,420	$31,280	$178.56	$144.47 - $196.01