D.E. Shaw & Co’s Alexion Pharmaceuticals ALXN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2021
Q3
Sell
-1,241,928
Closed -$228M 5645
2021
Q2
$228M Buy
1,241,928
+162,843
+15% +$28M 0.26% 89
2021
Q1
$165M Buy
1,079,085
+245,535
+29% +$38M 0.2% 125
2020
Q4
$130M Buy
833,550
+59,210
+8% +$7.61M 0.16% 201
2020
Q3
$88.6M Buy
774,340
+457,991
+145% +$49.4M 0.12% 253
2020
Q2
$35.5M Sell
316,349
-419,804
-57% -$44.6M 0.05% 501
2020
Q1
$66.1M Sell
736,153
-148,056
-17% -$14.5M 0.13% 226
2019
Q4
$95.6M Sell
884,209
-752,592
-46% -$80.5M 0.15% 213
2019
Q3
$160M Buy
1,636,801
+1,372,387
+519% +$155M 0.26% 96
2019
Q2
$34.6M Buy
264,414
+101,955
+63% +$13.1M 0.05% 500
2019
Q1
$22M Sell
162,459
-692,264
-81% -$86.1M 0.04% 684
2018
Q4
$83.2M Buy
854,723
+330,717
+63% +$39.1M 0.15% 197
2018
Q3
$72.8M Sell
524,006
-67,885
-11% -$8.52M 0.11% 279
2018
Q2
$73.5M Sell
591,891
-58,472
-9% -$6.83M 0.12% 258
2018
Q1
$72.5M Buy
650,363
+299,529
+85% +$35.8M 0.12% 246
2017
Q4
$42M Buy
350,834
+235,075
+203% +$28.6M 0.08% 408
2017
Q3
$16.2M Sell
115,759
-173,825
-60% -$23.6M 0.03% 705
2017
Q2
$35.2M Buy
+289,584
New +$33.7M 0.07% 396
2017
Q1
Hold
0
3760
2016
Q4
Sell
-41,144
Closed -$5.03M 3720
2016
Q3
$5.04M Sell
41,144
-150,649
-79% -$19.4M 0.01% 1294
2016
Q2
$22.4M Sell
191,793
-7,732
-4% -$1.1M 0.05% 512
2016
Q1
$27.8M Sell
199,525
-158,716
-44% -$23.3M 0.06% 426
2015
Q4
$68.3M Sell
358,241
-130,228
-27% -$22.7M 0.14% 237
2015
Q3
$76.4M Buy
488,469
+161,903
+50% +$29.5M 0.15% 215
2015
Q2
$59M Buy
326,566
+304,907
+1,408% +$52.6M 0.11% 272
2015
Q1
$3.75M Sell
21,659
-135,423
-86% -$24.5M 0.01% 1564
2014
Q4
$29.1M Buy
157,082
+96,173
+158% +$17.8M 0.06% 542
2014
Q3
$10.1M Sell
60,909
-112,945
-65% -$18.5M 0.02% 1076
2014
Q2
$27.2M Sell
173,854
-28,684
-14% -$4.53M 0.06% 539
2014
Q1
$30.8M Buy
+202,538
New +$32.2M 0.06% 452
2013
Q4
Sell
-83,653
Closed -$10M 4861
2013
Q3
$9.72M Sell
83,653
-43,218
-34% -$4.74M 0.03% 1038
2013
Q2
$11.7M Buy
+126,871
New +$12.2M 0.03% 790

Other funds holding ALXN