William Blair & Company
ALXN

William Blair & Company’s Alexion Pharmaceuticals ALXN Stock Holding History

William Blair & Company’s Portfolio ALXN Stock Details ALXN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q3 		– Sell
-1,486
Closed -$273K – 1985
2021
Q2 		$273K Sell
1,486
-331
-18% -$56.8K ﹤0.01% 1377
2021
Q1 		$278K Buy
1,817
+74
+4% +$11.4K ﹤0.01% 1359
2020
Q4 		$272K Buy
+1,743
New +$224K ﹤0.01% 1312
2020
Q2 		– Sell
-3,450
Closed -$310K – 1775
2020
Q1 		$310K Buy
3,450
+746
+28% +$73.2K ﹤0.01% 1007
2019
Q4 		$292K Buy
+2,704
New +$289K ﹤0.01% 1180
2018
Q4 		– Sell
-1,575
Closed -$219K – 1813
2018
Q3 		$219K Sell
1,575
-631
-29% -$79.2K ﹤0.01% 1257
2018
Q2 		$274K Sell
2,206
-655
-23% -$76.5K ﹤0.01% 1161
2018
Q1 		$319K Buy
2,861
+31
+1% +$3.71K ﹤0.01% 1052
2017
Q4 		$338K Sell
2,830
-580
-17% -$70.6K ﹤0.01% 1090
2017
Q3 		$478K Sell
3,410
-3,921
-53% -$533K ﹤0.01% 945
2017
Q2 		$892K Sell
7,331
-1,439
-16% -$167K 0.01% 789
2017
Q1 		$1.15M Buy
8,770
+235
+3% +$30.3K 0.01% 671
2016
Q4 		$1.04M Sell
8,535
-7,365
-46% -$901K 0.01% 642
2016
Q3 		$1.95M Buy
15,900
+2,069
+15% +$266K 0.02% 502
2016
Q2 		$1.61M Buy
13,831
+5,678
+70% +$806K 0.02% 511
2016
Q1 		$1.14M Sell
8,153
-10,560
-56% -$1.55M 0.01% 592
2015
Q4 		$3.57M Buy
18,713
+11,409
+156% +$1.99M 0.03% 346
2015
Q3 		$1.14M Sell
7,304
-8,009
-52% -$1.46M 0.01% 723
2015
Q2 		$2.77M Buy
15,313
+12,989
+559% +$2.24M ﹤0.01% 1236
2015
Q1 		$402K Sell
2,324
-185
-7% -$33.5K ﹤0.01% 1793
2014
Q4 		$464K Buy
2,509
+184
+8% +$34.1K ﹤0.01% 1707
2014
Q3 		$385K Buy
2,325
+205
+10% +$33.7K ﹤0.01% 1763
2014
Q2 		$331K Sell
2,120
-1,368
-39% -$216K ﹤0.01% 1780
2014
Q1 		$530K Buy
3,488
+903
+35% +$144K ﹤0.01% 1601
2013
Q4 		$343K Buy
2,585
+7
+0.3% +$840 ﹤0.01% 1702
2013
Q3 		$299K Sell
2,578
-10,598
-80% -$1.16M ﹤0.01% 1726
2013
Q2 		$1.22M Buy
+13,176
New +$1.27M ﹤0.01% 1210

Other funds holding ALXN

BCI
Brinker Capital Investments Berwyn, Pennsylvania $11.7B AUM 21.33% 1-Year Est. Return
NICM
Neo Ivy Capital Management New York $379M AUM 28.34% 1-Year Est. Return
TAIM
TD Ameritrade Investment Management Omaha, Nebraska $9.4B AUM 7.2% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $280B AUM 33.63% 1-Year Est. Return
RG
Retirement Group San Diego, California $279M AUM 22.21% 1-Year Est. Return
CFO
CVA Family Office Denver, Colorado $950M AUM 20.72% 1-Year Est. Return
MAM
Meeder Asset Management Dublin, Ohio $1.75B AUM 34.85% 1-Year Est. Return