Berkshire Asset Management’s Costco COST Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$813K Sell
821
-14
-2% -$13.9K 0.04% 154
2025
Q1
$841K Buy
835
+38
+5% +$38.3K 0.04% 149
2024
Q4
$749K Sell
797
-103
-11% -$96.8K 0.04% 162
2024
Q3
$765K Hold
900
0.04% 153
2024
Q2
$765K Buy
900
+364
+68% +$309K 0.04% 154
2024
Q1
$393K Sell
536
-10
-2% -$7.33K 0.02% 182
2023
Q4
$360K Buy
+546
New +$360K 0.02% 183
2017
Q3
Sell
-1,788
Closed -$286K 193
2017
Q2
$286K Buy
1,788
+13
+0.7% +$2.08K 0.03% 162
2017
Q1
$298K Hold
1,775
0.04% 158
2016
Q4
$284K Buy
+1,775
New +$284K 0.04% 155
2016
Q3
Sell
-1,775
Closed -$279K 176
2016
Q2
$279K Hold
1,775
0.04% 148
2016
Q1
$280K Sell
1,775
-23
-1% -$3.63K 0.04% 138
2015
Q4
$290K Hold
1,798
0.05% 134
2015
Q3
$260K Buy
+1,798
New +$260K 0.05% 133