Marshall Wace North America’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
-1,643
Closed -$301K 1860
2021
Q2
$301K Buy
+1,643
New +$301K ﹤0.01% 1223
2021
Q1
Sell
-642,648
Closed -$100M 1900
2020
Q4
$100M Buy
642,648
+637,683
+12,844% +$99.6M 0.45% 42
2020
Q3
$568K Sell
4,965
-152,766
-97% -$17.5M ﹤0.01% 941
2020
Q2
$17.7M Buy
157,731
+145,334
+1,172% +$16.3M 0.12% 194
2020
Q1
$1.11M Sell
12,397
-190,805
-94% -$17.1M 0.01% 600
2019
Q4
$22M Sell
203,202
-147,587
-42% -$16M 0.11% 191
2019
Q3
$34.4M Sell
350,789
-16,565
-5% -$1.62M 0.2% 121
2019
Q2
$48.1M Sell
367,354
-248,883
-40% -$32.6M 0.3% 91
2019
Q1
$83.3M Buy
616,237
+193,470
+46% +$26.2M 0.59% 47
2018
Q4
$41.2M Buy
422,767
+23,475
+6% +$2.29M 0.4% 70
2018
Q3
$55.5M Sell
399,292
-605,877
-60% -$84.2M 0.38% 66
2018
Q2
$125M Sell
1,005,169
-79,722
-7% -$9.9M 0.7% 24
2018
Q1
$121M Buy
1,084,891
+982,419
+959% +$110M 0.61% 31
2017
Q4
$12.3M Sell
102,472
-2,311
-2% -$276K 0.07% 331
2017
Q3
$14.7M Sell
104,783
-7,515
-7% -$1.05M 0.09% 279
2017
Q2
$13.7M Sell
112,298
-426,704
-79% -$52.1M 0.1% 252
2017
Q1
$65.2M Buy
+539,002
New +$65.2M 0.51% 41
2013
Q4
$4.05M Buy
+30,427
New +$4.05M 0.09% 208