Walleye Trading’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
2024 Q1	–	Sell	-3,000	Closed	-$969K	–	4823
2023 Q4	$969K	Buy	+3,000	New	+$940K	0.01%	2494
2022 Q2	–	Sell	-100	Closed	-$56K	–	5194
2022 Q1	$56K	Sell	100 -700	-88%	-$422K	﹤0.01%	4470
2021 Q4	$604K	Buy	800 +300	+60%	+$225K	0.01%	2756
2021 Q3	$373K	Buy	500 +100	+25%	+$74.9K	0.01%	3219
2021 Q2	$258K	Hold	400	–	–	0.01%	3663
2021 Q1	$228K	Sell	400 -2,300	-85%	-$1.36M	0.01%	3494
2020 Q4	$1.57M	Buy	2,700 +1,800	+200%	+$1.03M	0.05%	1595
2020 Q3	$464K	Sell	900 -100	-10%	-$50.6K	0.04%	2306
2020 Q2	$451K	Sell	1,000 -200	-17%	-$88.3K	0.03%	2353
2020 Q1	$421K	Sell	1,200 -300	-20%	-$110K	0.03%	1990
2019 Q4	$555K	Buy	1,500 +800	+114%	+$282K	0.02%	2321
2019 Q3	$233K	Sell	700 -7,400	-91%	-$2.41M	0.02%	2818
2019 Q2	$2.53M	Buy	+8,100	New	+$2.43M	0.2%	878