Perceptive Advisors’s Biogen BIIB Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2022 Q1	–	Sell	-48,600	Closed	-$11.7M	–	139
2021 Q4	$11.7M	Hold	48,600	–	–	0.18%	82
2021 Q3	$13.8M	Buy	+48,600	New	+$13.8M	0.2%	85
2021 Q2	–	Hold	0	–	–	–	151
2021 Q1	–	Hold	0	–	–	–	142
2020 Q4	–	Hold	0	–	–	–	141
2020 Q3	–	Hold	0	–	–	–	131
2019 Q3	–	Hold	0	–	–	–	107
2019 Q2	–	Hold	0	–	–	–	106
2019 Q1	–	Hold	0	–	–	–	102
2018 Q2	–	Sell	-20,000	Closed	-$5.48M	–	131
2018 Q1	$5.48M	Buy	+20,000	New	+$5.48M	0.15%	79
2017 Q1	–	Sell	-1,922	Closed	-$545K	–	164
2016 Q4	$545K	Buy	1,922 +1	+0.1%	+$284	0.04%	111
2016 Q3	$601K	Buy	+1,921	New	+$601K	0.04%	106
2016 Q1	–	Sell	-648	Closed	-$199K	–	167
2015 Q4	$199K	Buy	+648	New	+$199K	0.01%	123
2015 Q2	–	Sell	-18,200	Closed	-$7.69M	–	164
2015 Q1	$7.69M	Buy	+18,200	New	+$7.69M	0.6%	36
2014 Q1	–	Sell	-40,000	Closed	-$11.2M	–	121
2013 Q4	$11.2M	Buy	+40,000	New	+$11.2M	1.34%	19
2013 Q3	–	Sell	-231,282	Closed	-$49.8M	–	91
2013 Q2	$49.8M	Buy	+231,282	New	+$49.8M	5.02%	4