William Blair Investment Management’s Aon AON Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2023
Q4
Sell
-17,201
Closed -$5.58M 408
2023
Q3
$5.58M Sell
17,201
-1,168
-6% -$379K 0.02% 329
2023
Q2
$6.34M Sell
18,369
-373
-2% -$129K 0.02% 332
2023
Q1
$5.91M Sell
18,742
-416
-2% -$131K 0.02% 326
2022
Q4
$5.75M Sell
19,158
-4,455
-19% -$1.34M 0.02% 327
2022
Q3
$6.33M Buy
23,613
+538
+2% +$144K 0.03% 316
2022
Q2
$6.22M Sell
23,075
-1,333
-5% -$359K 0.02% 324
2022
Q1
$7.95M Sell
24,408
-5,656
-19% -$1.84M 0.02% 330
2021
Q4
$9.04M Sell
30,064
-15,241
-34% -$4.58M 0.02% 341
2021
Q3
$12.9M Sell
45,305
-6,274
-12% -$1.79M 0.04% 342
2021
Q2
$12.3M Buy
51,579
+2,351
+5% +$561K 0.04% 262
2021
Q1
$11.3M Sell
49,228
-1,495
-3% -$344K 0.04% 272
2020
Q4
$10.7M Buy
50,723
+3,980
+9% +$841K 0.04% 294
2020
Q3
$9.64M Sell
46,743
-182,603
-80% -$37.7M 0.04% 274
2020
Q2
$44.2M Buy
+229,346
New +$44.2M 0.18% 131
2020
Q1
Sell
-142,999
Closed -$29.8M 340
2019
Q4
$29.8M Buy
142,999
+27,054
+23% +$5.64M 0.12% 156
2019
Q3
$22.4M Sell
115,945
-4,019
-3% -$778K 0.1% 179
2019
Q2
$23.2M Buy
+119,964
New +$23.2M 0.1% 177