The first Alexion Pharmaceuticals trade was made in Q2 2013.
Since then Ken Griffin bought shares 35 more times and sold shares on 37 occasions. The investor completely sold their stake between Q2 2021 and Q3 2021.
Avg closing price
Price range
Sold -3.25 Million shares
Q3 2021
Avg closing price
$183.75
Price range
$179.45
-
$186.61
Increased shares by 29.8% (+746 Thousand shares)
Q2 2021
Avg closing price
$171.66
Price range
$152.35
-
$184.30
Increased shares by 362.1% (+1.96 Million shares)
Q1 2021
Avg closing price
$154.69
Price range
$148.19
-
$161.75
Sold 52.0% shares (-588 Thousand shares)
Q3 2020
Avg closing price
$107.88
Price range
$100.51
-
$116.57
Sold 60.7% shares (-1.75 Million shares)
Q2 2020
Avg closing price
$106.17
Price range
$89.77
-
$119.90
Increased shares by 3996.9% (+2.81 Million shares)
Q1 2020
Avg closing price
$98.14
Price range
$75.56
-
$113.92
Sold 19.4% shares (-16.9 Thousand shares)
Q4 2019
Avg closing price
$106.96
Price range
$94.84
-
$115.45
Sold 57.5% shares (-118 Thousand shares)
Q3 2019
Avg closing price
$112.72
Price range
$95.18
-
$134.08
Increased shares by 190.9% (+135 Thousand shares)
Q2 2019
Avg closing price
$128.89
Price range
$113.68
-
$141.30
Sold 84.1% shares (-372 Thousand shares)
Q1 2019
Avg closing price
$124.34
Price range
$98.05
-
$137.75
Sold 67.2% shares (-907 Thousand shares)
Q4 2018
Avg closing price
$118.20
Price range
$93.94
-
$137.12
Sold 21.9% shares (-378 Thousand shares)
Q3 2018
Avg closing price
$125.44
Price range
$115.32
-
$139.01
Increased shares by 149.1% (+1.03 Million shares)
Q2 2018
Avg closing price
$116.87
Price range
$106.04
-
$127.57
Sold 65.1% shares (-1.29 Million shares)
Q1 2018
Avg closing price
$119.53
Price range
$108.33
-
$128.09
Increased shares by 171.5% (+1.25 Million shares)
Q4 2017
Avg closing price
$121.78
Price range
$106.78
-
$143.84
Sold 34.5% shares (-385 Thousand shares)
Q3 2017
Avg closing price
$135.86
Price range
$121.08
-
$146.69
Increased shares by 973.8% (+1.01 Million shares)
Q2 2017
Avg closing price
$116.39
Price range
$97.70
-
$133.41
Increased shares by 302.3% (+78.1 Thousand shares)
Q1 2017