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	-4,828	Closed	-$887K	–	9148
2021 Q2	$887K	Buy	+4,828	New	+$829K	﹤0.01%	3561
2020 Q1	–	Sell	-27,784	Closed	-$2.73M	–	5994
2019 Q4	$3M	Sell	27,784 -487	-2%	-$52.1K	0.02%	977
2019 Q3	$2.77M	Buy	28,271 +25,045	+776%	+$2.82M	0.02%	964
2019 Q2	$423K	Buy	+3,226	New	+$416K	﹤0.01%	2279
2019 Q1	–	Sell	-16,518	Closed	-$2.05M	–	5610
2018 Q4	$1.61M	Buy	16,518 +9,795	+146%	+$1.16M	0.01%	1169
2018 Q3	$935K	Sell	6,723 -38,004	-85%	-$4.77M	0.01%	1761
2018 Q2	$5.55M	Buy	44,727 +33,653	+304%	+$3.93M	0.05%	494
2018 Q1	$1.23M	Sell	11,074 -20,252	-65%	-$2.42M	0.01%	1350
2017 Q4	$3.75M	Sell	31,326 -65,511	-68%	-$7.98M	0.03%	799
2017 Q3	$13.6M	Sell	96,837 -35,803	-27%	-$4.86M	0.12%	187
2017 Q2	$16.1M	Buy	132,640 +113,872	+607%	+$13.3M	0.17%	116
2017 Q1	$2.27M	Sell	18,768 -21,526	-53%	-$2.78M	0.03%	785
2016 Q4	$4.93M	Buy	40,294 +38,394	+2,021%	+$4.7M	0.05%	452
2016 Q3	$233K	Buy	1,900 +600	+46%	+$77.2K	﹤0.01%	2361
2016 Q2	$152K	Buy	+1,300	New	+$184K	﹤0.01%	2593
2016 Q1	–	Sell	-3,742	Closed	-$714K	–	5138
2015 Q4	$714K	Buy	+3,742	New	+$654K	0.01%	1552
2015 Q1	–	Sell	-3,459	Closed	-$640K	–	5372
2014 Q4	$640K	Sell	3,459 -125	-3%	-$23.2K	0.01%	1369
2014 Q3	$594K	Hold	3,584	–	–	0.01%	1496
2014 Q2	$560K	Sell	3,584 -2,525	-41%	-$399K	0.01%	1550
2014 Q1	$929K	Buy	+6,109	New	+$971K	0.02%	1152

Other funds holding ALXN