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Mattern Capital Management’s Aon AON Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$1.15M Buy
3,237
+358
+12% +$128K 0.14% 105
2025
Q1
$1.15M Buy
2,879
+155
+6% +$61.9K 0.15% 89
2024
Q4
$978K Buy
2,724
+77
+3% +$27.7K 0.13% 91
2024
Q3
$916K Buy
2,647
+169
+7% +$58.5K 0.12% 91
2024
Q2
$727K Buy
2,478
+337
+16% +$98.9K 0.1% 98
2024
Q1
$714K Buy
2,141
+971
+83% +$324K 0.1% 93
2023
Q4
$340K Hold
1,170
0.05% 115
2023
Q3
$379K Hold
1,170
0.06% 113
2023
Q2
$404K Hold
1,170
0.07% 111
2023
Q1
$369K Hold
1,170
0.07% 108
2022
Q4
$351K Hold
1,170
0.06% 106
2022
Q3
$313K Hold
1,170
0.07% 108
2022
Q2
$316K Hold
1,170
0.06% 105
2022
Q1
$381K Hold
1,170
0.07% 102
2021
Q4
$352K Hold
1,170
0.06% 100
2021
Q3
$334K Sell
1,170
-193
-14% -$55.1K 0.07% 99
2021
Q2
$325K Hold
1,363
0.06% 98
2021
Q1
$314K Hold
1,363
0.07% 98
2020
Q4
$288K Hold
1,363
0.07% 96
2020
Q3
$281K Hold
1,363
0.07% 95
2020
Q2
$263K Hold
1,363
0.08% 94
2020
Q1
$225K Hold
1,363
0.08% 99
2019
Q4
$284K Buy
+1,363
New +$284K 0.08% 93