Zweig-DiMenna Associates’s Vertex Pharmaceuticals VRTX Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q2	–	Sell	-54,100	Closed	-$11.6M	–	232
2021 Q1	$11.6M	Buy	+54,100	New	+$11.9M	0.81%	50
2016 Q1	–	Sell	-151,150	Closed	-$19M	–	281
2015 Q4	$19M	Sell	151,150 -187,291	-55%	-$22.6M	0.95%	35
2015 Q3	$35.2M	Buy	338,441 +311,441	+1,153%	+$40M	1.53%	13
2015 Q2	$3.33M	Sell	27,000 -142,387	-84%	-$17.9M	0.18%	101
2015 Q1	$20M	Buy	169,387 +7,180	+4%	+$860K	0.84%	38
2014 Q4	$19.3M	Buy	162,207 +81,280	+100%	+$9.15M	0.83%	43
2014 Q3	$9.09M	Buy	80,927 +33,427	+70%	+$3.18M	0.4%	83
2014 Q2	$4.5M	Buy	+47,500	New	+$3.33M	0.21%	109
2013 Q3	–	Sell	-98,790	Closed	-$7.91M	–	272
2013 Q2	$7.91M	Buy	+98,790	New	+$7.28M	0.32%	102