George Kaiser Family Foundation’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
$416K Buy
2025
Q1
$275K Buy
2022
Q2
Sell
2022
Q1
$364K Hold
2021
Q4
$359K Hold
2021
Q3
$284K Hold
2021
Q2
$250K Hold
2021
Q1
$223K Hold
2020
Q4
$238K Hold
2020
Q3
$224K Buy
2020
Q1
Sell
2019
Q4
$1.3M Hold
2019
Q3
$1.28M Hold
2019
Q2
$1.17M Hold
2019
Q1
$1.07M Hold
2018
Q4
$903K Hold
2018
Q3
$1.04M Hold
2018
Q2
$927K Hold
2018
Q1
$835K Hold
2017
Q4
$825K Hold
2017
Q3
$728K Hold
2017
Q2
$709K Buy