William Blair & Company’s Aon AON Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $136M | Sell |
421,605
-74,702
| -15% | -$24.8M | 0.39% | 57 |
|
|
2025
Q4 | $175M | Sell |
496,307
-33,466
| -6% | -$11.7M | 0.47% | 50 |
|
|
2025
Q3 | $189M | Sell |
529,773
-38,214
| -7% | -$13.8M | 0.5% | 51 |
|
|
2025
Q2 | $203M | Buy |
567,987
+13,237
| +2% | +$4.8M | 0.56% | 48 |
|
|
2025
Q1 | $221M | Sell |
554,750
-9,497
| -2% | -$3.64M | 0.67% | 38 |
|
|
2024
Q4 | $203M | Sell |
564,247
-28,303
| -5% | -$10.4M | 0.59% | 47 |
|
|
2024
Q3 | $205M | Sell |
592,550
-9,967
| -2% | -$3.26M | 0.6% | 44 |
|
|
2024
Q2 | $177M | Sell |
602,517
-8,648
| -1% | -$2.56M | 0.55% | 46 |
|
|
2024
Q1 | $204M | Sell |
611,165
-129,876
| -18% | -$40.3M | 0.64% | 38 |
|
|
2023
Q4 | $216M | Buy |
741,041
+15,712
| +2% | +$5.03M | 0.73% | 30 |
|
|
2023
Q3 | $235M | Buy |
725,329
+6,145
| +0.9% | +$2.03M | 0.9% | 22 |
|
|
2023
Q2 | $248M | Sell |
719,184
-6,987
| -1% | -$2.27M | 0.91% | 24 |
|
|
2023
Q1 | $229M | Sell |
726,171
-33,774
| -4% | -$10.5M | 0.91% | 23 |
|
|
2022
Q4 | $228M | Sell |
759,945
-2,614
| -0.3% | -$764K | 0.99% | 18 |
|
|
2022
Q3 | $204M | Buy |
762,559
+7,127
| +0.9% | +$2.01M | 0.94% | 18 |
|
|
2022
Q2 | $204M | Buy |
755,432
+22,008
| +3% | +$6.33M | 0.9% | 17 |
|
|
2022
Q1 | $239M | Buy |
733,424
+4,224
| +0.6% | +$1.23M | 0.84% | 20 |
|
|
2021
Q4 | $219M | Buy |
729,200
+120,405
| +20% | +$36.1M | 0.69% | 34 |
|
|
2021
Q3 | $174M | Buy |
608,795
+1,385
| +0.2% | +$372K | 0.59% | 40 |
|
|
2021
Q2 | $145M | Buy |
607,410
+52,706
| +10% | +$12.9M | 0.5% | 43 |
|
|
2021
Q1 | $128M | Buy |
554,704
+138,463
| +33% | +$30.5M | 0.48% | 47 |
|
|
2020
Q4 | $87.9M | Buy |
416,241
+59,118
| +17% | +$12.1M | 0.32% | 73 |
|
|
2020
Q3 | $73.7M | Buy |
357,123
+102,013
| +40% | +$20.4M | 0.31% | 70 |
|
|
2020
Q2 | $49.1M | Buy |
+255,110
| New | +$47.5M | 0.23% | 93 |
|
|
2020
Q1 | – | Sell |
-131,198
| Closed | -$27.3M | – | 1657 |
|
|
2019
Q4 | $27.3M | Buy |
131,198
+2,843
| +2% | +$563K | 0.14% | 156 |
|
|
2019
Q3 | $24.8M | Sell |
128,355
-4,236
| -3% | -$817K | 0.14% | 150 |
|
|
2019
Q2 | $25.6M | Buy |
132,591
+6,489
| +5% | +$1.18M | 0.15% | 141 |
|
|
2019
Q1 | $21.5M | Buy |
126,102
+3,623
| +3% | +$587K | 0.13% | 156 |
|
|
2018
Q4 | $17.8M | Sell |
122,479
-4,563
| -4% | -$709K | 0.13% | 162 |
|
|
2018
Q3 | $19.5M | Sell |
127,042
-2,260
| -2% | -$331K | 0.12% | 173 |
|
|
2018
Q2 | $17.7M | Sell |
129,302
-161
| -0.1% | -$22.7K | 0.12% | 171 |
|
|
2018
Q1 | $18.2M | Sell |
129,463
-47,092
| -27% | -$6.6M | 0.13% | 164 |
|
|
2017
Q4 | $23.7M | Sell |
176,555
-3,578
| -2% | -$509K | 0.16% | 142 |
|
|
2017
Q3 | $26.3M | Buy |
180,133
+4,377
| +2% | +$611K | 0.2% | 123 |
|
|
2017
Q2 | $23.4M | Sell |
175,756
-4,449
| -2% | -$562K | 0.18% | 137 |
|
|
2017
Q1 | $21.1M | Sell |
180,205
-30,531
| -14% | -$3.52M | 0.17% | 145 |
|
|
2016
Q4 | $23.5M | Sell |
210,736
-5,980
| -3% | -$666K | 0.21% | 121 |
|
|
2016
Q3 | $24.4M | Buy |
216,716
+47,013
| +28% | +$5.18M | 0.22% | 113 |
|
|
2016
Q2 | $18.5M | Buy |
169,703
+93,679
| +123% | +$9.91M | 0.17% | 147 |
|
|
2016
Q1 | $7.94M | Buy |
76,024
+1,948
| +3% | +$183K | 0.07% | 221 |
|
|
2015
Q4 | $6.83M | Buy |
+74,076
| New | +$6.9M | 0.06% | 245 |
|
Other funds holding AON
VCM
VPM