Platinum Investment 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
2023 Q4	–	Sell	-8,636	Closed	-$3.1M	–	144
2023 Q3	$3.1M	Hold	8,636	–	–	0.12%	64
2023 Q2	$3.27M	Sell	8,636 -9,706	-53%	-$3.95M	0.11%	70
2023 Q1	$8.79M	Sell	18,342 -1,869	-9%	-$875K	0.31%	44
2022 Q4	$8.5M	Hold	20,211	–	–	0.32%	42
2022 Q3	$8.43M	Buy	20,211 +5,507	+37%	+$2.75M	0.35%	42
2022 Q2	$7.28M	Hold	14,704	–	–	0.28%	47
2022 Q1	$8.28M	Buy	14,704 +8,219	+127%	+$4.95M	0.25%	48
2021 Q4	$4.9M	Hold	6,485	–	–	0.14%	62
2021 Q3	$4.84M	Sell	6,485 -5,074	-44%	-$3.8M	0.14%	65
2021 Q2	$7.45M	Buy	11,559 +3,978	+52%	+$2.42M	0.17%	53
2021 Q1	$4.33M	Buy	7,581 +3,557	+88%	+$2.11M	0.1%	62
2020 Q4	$2.35M	Buy	4,024 +1,662	+70%	+$947K	0.05%	87
2020 Q3	$1.22M	Sell	2,362 -706	-23%	-$358K	0.03%	102
2020 Q2	$1.39M	Sell	3,068 -1,107	-27%	-$489K	0.03%	97
2020 Q1	$1.46M	Buy	+4,175	New	+$1.54M	0.04%	83