Walleye 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	-18,742	Closed	-$3.44M	–	6754
2021 Q2	$3.44M	Buy	18,742 +12,998	+226%	+$2.23M	0.09%	1056
2021 Q1	$878K	Sell	5,744 -7,993	-58%	-$1.24M	0.03%	2044
2020 Q4	$2.15M	Sell	13,737 -23,915	-64%	-$3.07M	0.06%	1341
2020 Q3	$4.31M	Sell	37,652 -5,155	-12%	-$556K	0.35%	649
2020 Q2	$4.8M	Sell	42,807 -16,958	-28%	-$1.8M	0.29%	553
2020 Q1	$5.37M	Buy	59,765 +14,935	+33%	+$1.47M	0.34%	361
2019 Q4	$4.85M	Buy	44,830 +4,236	+10%	+$453K	0.2%	597
2019 Q3	$3.98M	Buy	40,594 +26,697	+192%	+$3.01M	0.29%	590
2019 Q2	$1.82M	Buy	13,897 +11,225	+420%	+$1.45M	0.14%	1117
2019 Q1	$361K	Sell	2,672 -38,451	-94%	-$4.78M	0.03%	2533
2018 Q4	$4M	Buy	41,123 +25,725	+167%	+$3.04M	0.16%	603
2018 Q3	$2.14M	Sell	15,398 -2,501	-14%	-$314K	0.07%	1262
2018 Q2	$2.22M	Sell	17,899 -4,594	-20%	-$537K	0.07%	1238
2018 Q1	$2.51M	Sell	22,493 -9,049	-29%	-$1.08M	0.07%	1008
2017 Q4	$3.77K	Buy	+31,542	New	+$3.84M	0.11%	835
2017 Q3	–	Sell	-22,031	Closed	-$2.99M	–	5127
2017 Q2	$2.68K	Buy	22,031 +14,103	+178%	+$1.64M	0.09%	985
2017 Q1	$961	Buy	7,928 +1,583	+25%	+$204K	0.04%	1681
2016 Q4	$776K	Buy	+6,345	New	+$776K	0.04%	1730
2016 Q3	–	Sell	-453	Closed	-$58.3K	–	6081
2016 Q2	$53K	Buy	+453	New	+$64.3K	﹤0.01%	3938
2015 Q4	–	Sell	-12,213	Closed	-$2.13M	–	6274
2015 Q3	$1.91M	Buy	12,213 +2,937	+32%	+$536K	0.11%	685
2015 Q2	$1.68M	Buy	9,276 +5,591	+152%	+$965K	0.1%	809
2015 Q1	$639K	Buy	+3,685	New	+$667K	0.05%	1314
2014 Q1	–	Sell	-8,500	Closed	-$1.13M	–	4205
2013 Q4	$1.13M	Buy	8,500 +7,437	+700%	+$892K	0.07%	1021
2013 Q3	$123K	Buy	+1,063	New	+$117K	0.01%	1898

Other funds holding ALXN