Berkshire Asset Management’s Costco COST Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$813K Sell
2025
Q1
$841K Buy
2024
Q4
$749K Sell
2024
Q3
$765K Hold
2024
Q2
$765K Buy
2024
Q1
$393K Sell
2023
Q4
$360K Buy
2017
Q3
Sell
2017
Q2
$286K Buy
2017
Q1
$298K Hold
2016
Q4
$284K Buy
2016
Q3
Sell
2016
Q2
$279K Hold
2016
Q1
$280K Sell
2015
Q4
$290K Hold
2015
Q3
$260K Buy