EcoR1 Capital’s Aclaris Therapeutics ACRS Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2021 Q1	–	Sell	-1,509,812	Closed	-$9.77M	–	71
2020 Q4	$9.77M	Sell	1,509,812 -21,500	-1%	-$139K	0.53%	28
2020 Q3	$3.94M	Hold	1,531,312	–	–	0.28%	32
2020 Q2	$2.48M	Sell	1,531,312 -556,000	-27%	-$901K	0.18%	37
2020 Q1	$2.17M	Hold	2,087,312	–	–	0.23%	39
2019 Q4	$3.95M	Buy	+2,087,312	New	+$3.95M	0.36%	36
2019 Q1	–	Sell	-613,728	Closed	-$4.54M	–	37
2018 Q4	$4.54M	Buy	+613,728	New	+$4.54M	0.45%	35
2017 Q4	–	Sell	-60,000	Closed	-$1.55M	–	25
2017 Q3	$1.55M	Sell	60,000 -125,472	-68%	-$3.24M	0.21%	32
2017 Q2	$5.03M	Sell	185,472 -487,628	-72%	-$13.2M	0.89%	16
2017 Q1	$20.1M	Buy	673,100 +259,100	+63%	+$7.73M	5.07%	7
2016 Q4	$11.2M	Buy	+414,000	New	+$11.2M	3.58%	11