Hudson Bay Capital Management LP - ALEXION PHARMACEUTICALS INC ownership

ALEXION PHARMACEUTICALS INC's ticker is and the CUSIP is 015351959. A total of 6 filers reported holding ALEXION PHARMACEUTICALS INC in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
Hudson Bay Capital Management LP ownership history of ALEXION PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2018$3,475,000
+21.5%
25,000
+2.0%
0.04%
-51.7%
Q2 2016$2,861,000
-75.4%
24,500
-75.5%
0.09%
-79.3%
Q3 2013$11,616,000100,0000.43%
Other shareholders
ALEXION PHARMACEUTICALS INC shareholders Q3 2018
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 38,700$7,110,0000.01%
JPMORGAN CHASE & CO 339,100$62,296,0000.01%
Allianz Asset Management GmbH 4,200$772,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
SIMPLEX TRADING, LLC 49,100$47,0000.00%
View complete list of ALEXION PHARMACEUTICALS INC shareholders