TWO SIGMA SECURITIES, LLC - ALEXION PHARMACEUTICALS INC ownership

Quarter-by-quarter ownership
TWO SIGMA SECURITIES, LLC ownership history of ALEXION PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2019$735,0007,5000.01%
Other shareholders
ALEXION PHARMACEUTICALS INC shareholders Q3 2023
NameSharesValueWeighting ↓
Prosight Management, LP 40,000$6,250,0002.89%
Hudson Bay Capital Management LP 500,000$78,120,0000.42%
GROUP ONE TRADING, L.P. 396,000$61,871,0000.11%
IMC-Chicago, LLC 189,100$29,545,0000.04%
SIMPLEX TRADING, LLC 704$10,999,0000.01%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
JPMORGAN CHASE & CO 18,600$2,906,0000.00%
View complete list of ALEXION PHARMACEUTICALS INC shareholders