UBS O'Connor’s Alexion Pharmaceuticals Inc ALXN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2021
Q3
Sell
-4,428,122
Closed -$813M 1048
2021
Q2
$813M Buy
4,428,122
+2,861,349
+183% +$526M 7.26% 2
2021
Q1
$240M Buy
1,566,773
+1,017,152
+185% +$156M 3.45% 6
2020
Q4
$85.9M Buy
+549,621
New +$85.9M 1.75% 9
2016
Q2
Sell
-10,010
Closed -$1.39M 490
2016
Q1
$1.39M Buy
+10,010
New +$1.39M 0.03% 288