Ghost Tree Capital’s Alexion Pharmaceuticals Inc ALXN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2018
Q1
Sell
-115,000
Closed -$13.8M 64
2017
Q4
$13.8M Buy
115,000
+15,000
+15% +$1.79M 3.23% 4
2017
Q3
$14M Hold
100,000
2.98% 4
2017
Q2
$12.2M Buy
+100,000
New +$12.2M 2.53% 7
2017
Q1
Sell
-115,000
Closed -$14.1M 80
2016
Q4
$14.1M Sell
115,000
-5,000
-4% -$612K 3.39% 3
2016
Q3
$14.7M Buy
120,000
+30,000
+33% +$3.68M 2.38% 3
2016
Q2
$10.5M Buy
90,000
+50,000
+125% +$5.84M 3.03% 2
2016
Q1
$5.57M Buy
+40,000
New +$5.57M 3.15% 6
2015
Q3
Sell
-50,000
Closed -$9.04M 98
2015
Q2
$9.04M Buy
+50,000
New +$9.04M 2.93% 10