Group One Trading’s Alexion Pharmaceuticals ALXN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q3	–	Sell	-28,300	Closed	-$5.2M	–	9147
2021 Q2	$5.2M	Sell	28,300 -11,700	-29%	-$2.01M	0.01%	1655
2021 Q1	$6.12M	Sell	40,000 -356,000	-90%	-$55.1M	0.01%	1339
2020 Q4	$61.9M	Buy	396,000 +85,300	+27%	+$11M	0.11%	142
2020 Q3	$35.6M	Buy	310,700 +78,100	+34%	+$8.43M	0.11%	142
2020 Q2	$26.1M	Buy	232,600 +22,100	+10%	+$2.35M	0.12%	152
2020 Q1	$18.9M	Buy	210,500 +145,800	+225%	+$14.3M	0.15%	108
2019 Q4	$7M	Sell	64,700 -47,200	-42%	-$5.05M	0.05%	504
2019 Q3	$11M	Buy	111,900 +66,800	+148%	+$7.53M	0.09%	247
2019 Q2	$5.91M	Buy	45,100 +38,000	+535%	+$4.9M	0.05%	429
2019 Q1	$960K	Sell	7,100 -14,000	-66%	-$1.74M	0.01%	1439
2018 Q4	$2.05M	Buy	21,100 +8,800	+72%	+$1.04M	0.02%	1022
2018 Q3	$1.71M	Sell	12,300 -16,400	-57%	-$2.06M	0.01%	1278
2018 Q2	$3.56M	Sell	28,700 -177,700	-86%	-$20.8M	0.03%	730
2018 Q1	$23M	Buy	206,400 +176,500	+590%	+$21.1M	0.23%	71
2017 Q4	$3.58M	Sell	29,900 -82,600	-73%	-$10.1M	0.03%	827
2017 Q3	$15.8M	Sell	112,500 -2,800	-2%	-$380K	0.14%	140
2017 Q2	$14M	Buy	115,300 +109,600	+1,923%	+$12.8M	0.15%	143
2017 Q1	$691K	Sell	5,700 -12,700	-69%	-$1.64M	0.01%	1617
2016 Q4	$2.25M	Buy	+18,400	New	+$2.25M	0.02%	853

Other funds holding ALXN