Laurion Capital Management’s Castle Biosciences CSTL Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2021 Q1	–	Sell	-5,000	Closed	-$336K	–	540
2020 Q4	$336K	Buy	+5,000	New	+$336K	﹤0.01%	330
2019 Q4	–	Sell	-29,986	Closed	-$542K	–	556
2019 Q3	$542K	Buy	+29,986	New	+$542K	﹤0.01%	378