William Blair & Company’s Berkshire Hathaway Class A BRK.A Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$51M Hold
70
0.14% 140
2025
Q1
$55.9M Sell
70
-1
-1% -$798K 0.17% 129
2024
Q4
$48.3M Buy
71
+3
+4% +$2.04M 0.14% 135
2024
Q3
$47M Buy
68
+1
+1% +$691K 0.14% 130
2024
Q2
$41M Sell
67
-2
-3% -$1.22M 0.13% 136
2024
Q1
$43.8M Hold
69
0.14% 133
2023
Q4
$37.4M Buy
69
+2
+3% +$1.09M 0.13% 143
2023
Q3
$35.6M Buy
67
+15
+29% +$7.97M 0.14% 140
2023
Q2
$26.9M Hold
52
0.1% 169
2023
Q1
$24.2M Sell
52
-3
-5% -$1.4M 0.1% 182
2022
Q4
$25.8M Buy
55
+2
+4% +$937K 0.11% 164
2022
Q3
$21.5M Hold
53
0.1% 177
2022
Q2
$21.7M Buy
53
+7
+15% +$2.86M 0.1% 184
2022
Q1
$24.3M Buy
46
+1
+2% +$529K 0.09% 201
2021
Q4
$20.3M Buy
45
+3
+7% +$1.35M 0.06% 229
2021
Q3
$17.3M Sell
42
-13
-24% -$5.35M 0.06% 244
2021
Q2
$23M Sell
55
-38
-41% -$15.9M 0.08% 210
2021
Q1
$35.9M Sell
93
-2
-2% -$771K 0.14% 153
2020
Q4
$33M Sell
95
-1
-1% -$348K 0.12% 161
2020
Q3
$30.7M Buy
96
+3
+3% +$960K 0.13% 151
2020
Q2
$24.9M Buy
93
+19
+26% +$5.08M 0.12% 157
2020
Q1
$20.1M Buy
74
+1
+1% +$272K 0.13% 155
2019
Q4
$24.8M Buy
73
+3
+4% +$1.02M 0.13% 169
2019
Q3
$22.6M Sell
70
-4
-5% -$1.29M 0.13% 160
2019
Q2
$23.9M Buy
74
+3
+4% +$969K 0.14% 151
2019
Q1
$22.9M Sell
71
-3
-4% -$969K 0.14% 150
2018
Q4
$23.9M Hold
74
0.17% 124
2018
Q3
$23.7M Hold
74
0.15% 155
2018
Q2
$20.9M Sell
74
-4
-5% -$1.13M 0.14% 150
2018
Q1
$23.3M Sell
78
-5
-6% -$1.5M 0.17% 129
2017
Q4
$24.7M Buy
83
+6
+8% +$1.79M 0.17% 135
2017
Q3
$21.2M Sell
77
-2
-3% -$549K 0.16% 144
2017
Q2
$20.1M Sell
79
-2
-2% -$509K 0.15% 157
2017
Q1
$20.3M Hold
81
0.16% 149
2016
Q4
$19.8M Sell
81
-1
-1% -$244K 0.18% 143
2016
Q3
$17.7M Hold
82
0.16% 162
2016
Q2
$17.8M Buy
82
+3
+4% +$651K 0.17% 153
2016
Q1
$16.9M Sell
79
-2
-2% -$427K 0.16% 151
2015
Q4
$16M Buy
81
+2
+3% +$396K 0.15% 149
2015
Q3
$15.4M Sell
79
-1
-1% -$195K 0.13% 175
2015
Q2
$16.4M Hold
80
0.02% 717
2015
Q1
$17.4M Sell
80
-1
-1% -$218K 0.03% 656
2014
Q4
$18.3M Hold
81
0.03% 626
2014
Q3
$16.8M Sell
81
-2
-2% -$414K 0.03% 642
2014
Q2
$15.8M Hold
83
0.03% 668
2014
Q1
$15.6M Hold
83
0.03% 664
2013
Q4
$14.8M Sell
83
-5
-6% -$889K 0.02% 654
2013
Q3
$15M Sell
88
-3
-3% -$511K 0.03% 595
2013
Q2
$15.3M Buy
+91
New +$15.3M 0.03% 556