Highbridge Capital Management’s Alexion Pharmaceuticals ALXN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q4	–	Sell	-9,920	Closed	-$1.38M	–	554
2018 Q3	$1.38M	Sell	9,920 -999	-9%	-$125K	0.03%	361
2018 Q2	$1.35M	Sell	10,919 -58,136	-84%	-$6.79M	0.03%	433
2018 Q1	$7.7M	Sell	69,055 -107,118	-61%	-$12.8M	0.12%	203
2017 Q4	$21.1M	Buy	176,173 +174,168	+8,687%	+$21.2M	0.38%	47
2017 Q3	$281K	Sell	2,005 -126,836	-98%	-$17.2M	﹤0.01%	1247
2017 Q2	$15.7M	Sell	128,841 -104,522	-45%	-$12.2M	0.23%	113
2017 Q1	$28.3M	Buy	233,363 +190,757	+448%	+$24.6M	0.41%	51
2016 Q4	$5.21M	Buy	+42,606	New	+$5.21M	0.09%	241
2016 Q3	–	Sell	-115,363	Closed	-$13.5M	–	1778
2016 Q2	$13.5M	Buy	115,363 +60,770	+111%	+$8.62M	0.22%	126
2016 Q1	$7.6M	Buy	+54,593	New	+$8.02M	0.13%	197
2015 Q2	–	Sell	-193,270	Closed	-$33.4M	–	1758
2015 Q1	$33.5M	Buy	193,270 +189,561	+5,111%	+$34.3M	0.46%	52
2014 Q4	$686K	Sell	3,709 -2,287	-38%	-$424K	0.01%	746
2014 Q3	$994K	Buy	+5,996	New	+$985K	0.01%	667
2013 Q4	–	Sell	-131,941	Closed	-$15.3M	–	1406
2013 Q3	$15.3M	Sell	131,941 -66,855	-34%	-$7.33M	0.16%	175
2013 Q2	$18.3M	Buy	+198,796	New	+$19.2M	0.18%	142