GSA Capital Partners’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
2026 Q1	–	Sell	-705	Closed	-$214K	–	1731
2025 Q4	$214K	Buy	+705	New	+$220K	0.02%	1369
2022 Q4	–	Sell	-518	Closed	-$216K	–	1477
2022 Q3	$216K	Buy	+518	New	+$258K	0.03%	1172
2022 Q1	–	Sell	-498	Closed	-$376K	–	1412
2021 Q4	$376K	Buy	+498	New	+$373K	0.05%	786
2020 Q3	–	Sell	-824	Closed	-$372K	–	1245
2020 Q2	$372K	Buy	+824	New	+$364K	0.21%	123
2019 Q4	–	Sell	-1,907	Closed	-$635K	–	1435
2019 Q3	$635K	Buy	+1,907	New	+$622K	0.09%	404
2018 Q4	–	Sell	-3,568	Closed	-$1.12M	–	1358
2018 Q3	$1.12M	Sell	3,568 -225	-6%	-$69.8K	0.06%	614
2018 Q2	$1.09M	Buy	3,793 +1,747	+85%	+$482K	0.05%	701
2018 Q1	$512K	Sell	2,046 -1,826	-47%	-$465K	0.03%	1047
2017 Q4	$924K	Buy	+3,872	New	+$938K	0.06%	630
2017 Q3	–	Sell	-1,314	Closed	-$297K	–	1604
2017 Q2	$297K	Buy	+1,314	New	+$286K	0.02%	1281
2016 Q3	–	Sell	-2,590	Closed	-$370K	–	1770
2016 Q2	$370K	Buy	+2,590	New	+$369K	0.02%	1266
2016 Q1	–	Sell	-6,390	Closed	-$886K	–	1673
2015 Q4	$886K	Sell	6,390 -112	-2%	-$15.5K	0.04%	788
2015 Q3	$873K	Buy	6,502 +4,503	+225%	+$648K	0.04%	750
2015 Q2	$301K	Sell	1,999 -5,801	-74%	-$830K	0.01%	1612
2015 Q1	$1.05M	Buy	7,800 +1,700	+28%	+$211K	0.04%	824
2014 Q4	$735K	Buy	+6,100	New	+$702K	0.05%	676
2014 Q1	–	Sell	-3,200	Closed	-$396K	–	1561
2013 Q4	$396K	Sell	3,200 -200	-6%	-$24.4K	0.03%	1012
2013 Q3	$400K	Buy	3,400 +1,500	+79%	+$177K	0.03%	936
2013 Q2	$213K	Buy	+1,900	New	+$223K	0.03%	1056