Laurion Capital Management’s Bio-Rad Laboratories Class A BIO Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-886	Closed	-$214K	–	267
2025 Q2	$214K	Sell	886 -99	-10%	-$23.4K	0.02%	339
2025 Q1	$240K	Buy	+985	New	+$296K	0.02%	224
2024 Q4	–	Sell	-959	Closed	-$321K	–	315
2024 Q3	$321K	Buy	+959	New	+$305K	0.02%	226
2020 Q4	–	Sell	-440	Closed	-$227K	–	654
2020 Q3	$227K	Buy	+440	New	+$223K	0.01%	731
2019 Q4	–	Sell	-12,643	Closed	-$4.21M	–	919
2019 Q3	$4.21M	Buy	+12,643	New	+$4.12M	0.17%	373
2019 Q2	–	Sell	-1,100	Closed	-$336K	–	915
2019 Q1	$336K	Buy	+1,100	New	+$297K	0.02%	689
2017 Q3	–	Sell	-6,572	Closed	-$1.49M	–	1580
2017 Q2	$1.49M	Sell	6,572 -16,828	-72%	-$3.67M	0.03%	901
2017 Q1	$4.67M	Buy	+23,400	New	+$4.51M	0.13%	433