Jane Street’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
-46,663
Closed -$8.57M 6333
2021
Q2
$8.57M Sell
46,663
-9,146
-16% -$1.68M ﹤0.01% 617
2021
Q1
$8.53M Sell
55,809
-100,763
-64% -$15.4M ﹤0.01% 550
2020
Q4
$24.5M Sell
156,572
-57,375
-27% -$8.96M 0.01% 200
2020
Q3
$24.5M Buy
213,947
+99,194
+86% +$11.4M 0.01% 154
2020
Q2
$12.9M Buy
114,753
+96,084
+515% +$10.8M 0.01% 324
2020
Q1
$1.68M Sell
18,669
-13,401
-42% -$1.2M ﹤0.01% 1159
2019
Q4
$3.47M Sell
32,070
-29,657
-48% -$3.21M ﹤0.01% 617
2019
Q3
$6.05M Sell
61,727
-23,313
-27% -$2.28M 0.01% 355
2019
Q2
$11.1M Buy
85,040
+44,293
+109% +$5.8M 0.02% 231
2019
Q1
$5.51M Buy
40,747
+978
+2% +$132K 0.01% 498
2018
Q4
$3.87M Sell
39,769
-16,570
-29% -$1.61M 0.01% 474
2018
Q3
$7.83M Buy
+56,339
New +$7.83M 0.02% 335
2018
Q2
Sell
-102,224
Closed -$11.4M 3942
2018
Q1
$11.4M Buy
102,224
+22,467
+28% +$2.5M 0.03% 192
2017
Q4
$9.54M Buy
79,757
+58,410
+274% +$6.99M 0.03% 214
2017
Q3
$3M Sell
21,347
-26,443
-55% -$3.71M 0.01% 645
2017
Q2
$5.82M Buy
47,790
+27,589
+137% +$3.36M 0.02% 328
2017
Q1
$2.45M Sell
20,201
-72,251
-78% -$8.76M 0.01% 642
2016
Q4
$11.3M Buy
92,452
+89,896
+3,517% +$11M 0.05% 110
2016
Q3
$313K Sell
2,556
-5,299
-67% -$649K ﹤0.01% 2201
2016
Q2
$917K Sell
7,855
-1,881
-19% -$220K ﹤0.01% 1274
2016
Q1
$1.36M Sell
9,736
-39,931
-80% -$5.56M 0.01% 853
2015
Q4
$9.47M Buy
49,667
+44,729
+906% +$8.53M 0.06% 108
2015
Q3
$772K Sell
4,938
-22,447
-82% -$3.51M ﹤0.01% 1276
2015
Q2
$4.95M Buy
+27,385
New +$4.95M 0.03% 267
2014
Q4
Sell
-1,242
Closed -$206K 2548
2014
Q3
$206K Buy
+1,242
New +$206K ﹤0.01% 1874
2014
Q2
Sell
-1,454
Closed -$221K 3003
2014
Q1
$221K Sell
1,454
-19,260
-93% -$2.93M ﹤0.01% 2003
2013
Q4
$2.75M Sell
20,714
-7,298
-26% -$970K 0.04% 250
2013
Q3
$3.25M Buy
28,012
+19,347
+223% +$2.25M 0.04% 248
2013
Q2
$799K Buy
+8,665
New +$799K 0.01% 880