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
2022 Q4	–	Sell	-918	Closed	-$383K	–	5054
2022 Q3	$383K	Buy	+918	New	+$458K	0.01%	3144
2022 Q2	–	Sell	-345	Closed	-$194K	–	5195
2022 Q1	$194K	Sell	345 -439	-56%	-$265K	﹤0.01%	3819
2021 Q4	$592K	Buy	784 +277	+55%	+$207K	0.01%	2772
2021 Q3	$378K	Sell	507 -204	-29%	-$153K	0.01%	3205
2021 Q2	$458K	Buy	711 +634	+823%	+$386K	0.01%	3018
2021 Q1	$44K	Buy	+77	New	+$45.6K	﹤0.01%	4365
2020 Q2	–	Sell	-806	Closed	-$356K	–	4294
2020 Q1	$283K	Buy	+806	New	+$296K	0.02%	2343
2019 Q4	–	Sell	-944	Closed	-$333K	–	4296
2019 Q3	$314K	Buy	+944	New	+$308K	0.02%	2543
2017 Q2	–	Sell	-4	Closed	-$1	–	4525
2017 Q1	$1	Sell	4 -5	-56%	-$963	﹤0.01%	4567
2016 Q4	$2K	Sell	9 -3	-25%	-$511	﹤0.01%	4550
2016 Q3	$2K	Buy	+12	New	+$1.82K	﹤0.01%	4659
2016 Q2	–	Sell	-432	Closed	-$59K	–	5362
2016 Q1	$59K	Sell	432 -1,362	-76%	-$179K	0.01%	3741
2015 Q4	$249K	Buy	+1,794	New	+$249K	0.01%	2499
2015 Q3	–	Sell	-100	Closed	-$15K	–	4999
2015 Q2	$15K	Buy	+100	New	+$14.3K	﹤0.01%	4122