Tairen Capital’s Costco COST Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-250	Closed	-$236K	–	78
2025 Q1	$236K	Buy	+250	New	+$236K	0.02%	87
2020 Q1	–	Sell	-47,300	Closed	-$13.9M	–	20
2019 Q4	$13.9M	Buy	+47,300	New	+$13.9M	2.14%	12