GROUP ONE TRADING, L.P. - ALEXION PHARMACEUTICALS INC ownership

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of ALEXION PHARMACEUTICALS INC
ValueSharesWeighting
Q2 2021$5,199,000
-15.0%
28,300
-29.2%
0.01%
-33.3%
Q1 2021$6,116,000
-90.1%
40,000
-89.9%
0.01%
-91.6%
Q4 2020$61,871,000
+74.0%
396,000
+27.5%
0.11%
-4.5%
Q3 2020$35,553,000
+36.2%
310,700
+33.6%
0.11%
-7.4%
Q2 2020$26,107,000
+38.1%
232,600
+10.5%
0.12%
-20.9%
Q1 2020$18,901,000
+170.1%
210,500
+225.3%
0.15%
+218.8%
Q4 2019$6,997,000
-36.2%
64,700
-42.2%
0.05%
-46.1%
Q3 2019$10,959,000
+85.5%
111,900
+148.1%
0.09%
+67.9%
Q2 2019$5,907,000
+515.3%
45,100
+535.2%
0.05%
+381.8%
Q1 2019$960,000
-53.3%
7,100
-66.4%
0.01%
-38.9%
Q4 2018$2,054,000
+20.1%
21,100
+71.5%
0.02%
+28.6%
Q3 2018$1,710,000
-52.0%
12,300
-57.1%
0.01%
-53.3%
Q2 2018$3,563,000
-84.5%
28,700
-86.1%
0.03%
-87.1%
Q1 2018$23,005,000
+543.3%
206,400
+590.3%
0.23%
+828.0%
Q4 2017$3,576,000
-77.3%
29,900
-73.4%
0.02%
-82.5%
Q3 2017$15,783,000
+12.5%
112,500
-2.4%
0.14%
-2.1%
Q2 2017$14,029,000
+1930.2%
115,300
+1922.8%
0.15%
+1725.0%
Q1 2017$691,000
-69.3%
5,700
-69.0%
0.01%
-63.6%
Q4 2016$2,251,00018,4000.02%
Other shareholders

There were no reported owners of ALEXION PHARMACEUTICALS INC in Q3 2021.

NameSharesValueWeighting ↓
View complete list of ALEXION PHARMACEUTICALS INC shareholders