Perkins Capital Management’s Standard BioTools LAB Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2022 Q2	–	Sell	-19,600	Closed	-$70K	–	111
2022 Q1	$70K	Sell	19,600 -460,300	-96%	-$1.59M	0.06%	103
2021 Q4	$1.88M	Sell	479,900 -40,925	-8%	-$192K	1.27%	28
2021 Q3	$3.43M	Hold	520,825	–	–	2.12%	11
2021 Q2	$3.21M	Sell	520,825 -20,000	-4%	-$107K	1.82%	15
2021 Q1	$2.44M	Buy	540,825 +172,425	+47%	+$947K	1.41%	22
2020 Q4	$2.21M	Buy	368,400 +35,975	+11%	+$236K	1.45%	25
2020 Q3	$2.47M	Buy	+332,425	New	+$2.29M	2.27%	11
2020 Q1	$646K	Buy	254,267 +30,684	+14%	+$101K	0.78%	45
2019 Q4	$778K	Sell	223,583 -8,700	-4%	-$30.6K	0.7%	51
2019 Q3	$1.07M	Sell	232,283 -65,517	-22%	-$516K	0.93%	41
2019 Q2	$3.67M	Sell	297,800 -33,350	-10%	-$425K	2.57%	7
2019 Q1	$4.4M	Buy	331,150 +6,350	+2%	+$66.9K	2.9%	6
2018 Q4	$2.8M	Buy	324,800 +106,300	+49%	+$828K	2.17%	9
2018 Q3	$1.64M	Buy	218,500 +49,500	+29%	+$352K	0.98%	31
2018 Q2	$1.01M	Buy	169,000 +15,250	+10%	+$86.9K	0.72%	51
2018 Q1	$898K	Buy	153,750 +21,100	+16%	+$139K	0.81%	45
2017 Q4	$781K	Buy	+132,650	New	+$726K	0.75%	47