Barton Investment 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
Q3
$948K Hold
2025
Q2
$1.01M Hold
2025
Q1
$968K Hold
2024
Q4
$938K Hold
2024
Q3
$908K Hold
2024
Q2
$870K Hold
2024
Q1
$750K Hold
2023
Q4
$676K Hold
2023
Q3
$579K Hold
2023
Q2
$551K Hold
2023
Q1
$509K Hold
2022
Q4
$467K Hold
2022
Q3
$484K Hold
2022
Q2
$491K Hold
2022
Q1
$590K Hold
2021
Q4
$581K Buy
2021
Q3
$337K Hold
2021
Q2
$296K Hold
2021
Q1
$264K Hold
2020
Q4
$283K Buy