Calamos Advisors’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
-169,936
Closed -$31.2M 1109
2021
Q2
$31.2M Buy
169,936
+28,983
+21% +$4.98M 0.16% 185
2021
Q1
$21.6M Buy
140,953
+23,325
+20% +$3.61M 0.13% 195
2020
Q4
$18.4M Buy
117,628
+8,468
+8% +$1.09M 0.11% 226
2020
Q3
$12.5M Sell
109,160
-9,580
-8% -$1.03M 0.09% 256
2020
Q2
$13.3M Sell
118,740
-289,115
-71% -$30.7M 0.1% 239
2020
Q1
$36.6M Sell
407,855
-276,100
-40% -$27.1M 0.29% 98
2019
Q4
$74M Buy
683,955
+102,242
+18% +$10.9M 0.41% 68
2019
Q3
$57M Sell
581,713
-67,510
-10% -$7.61M 0.33% 87
2019
Q2
$85M Sell
649,223
-38,409
-6% -$4.95M 0.51% 45
2019
Q1
$93M Sell
687,632
-46,730
-6% -$5.81M 0.62% 34
2018
Q4
$71.5M Buy
734,362
+18,083
+3% +$2.14M 0.51% 48
2018
Q3
$99.6M Buy
716,279
+93,533
+15% +$11.7M 0.66% 34
2018
Q2
$77.3M Buy
622,746
+27,168
+5% +$3.18M 0.54% 39
2018
Q1
$66.4M Buy
595,578
+113,946
+24% +$13.6M 0.48% 50
2017
Q4
$57.6M Buy
481,632
+190,921
+66% +$23.3M 0.44% 59
2017
Q3
$40.8M Sell
290,711
-43,777
-13% -$5.95M 0.32% 89
2017
Q2
$40.7M Buy
334,488
+268,287
+405% +$31.2M 0.33% 86
2017
Q1
$8.03M Buy
66,201
+45,119
+214% +$5.82M 0.06% 303
2016
Q4
$2.58M Sell
21,082
-256,494
-92% -$31.4M 0.02% 449
2016
Q3
$34M Sell
277,576
-217,463
-44% -$28M 0.24% 135
2016
Q2
$57.8M Sell
495,039
-34,347
-6% -$4.87M 0.41% 69
2016
Q1
$73.7M Buy
529,386
+6,202
+1% +$911K 0.49% 52
2015
Q4
$99.8M Buy
523,184
+193,450
+59% +$33.8M 0.64% 33
2015
Q3
$51.6M Buy
329,734
+226,350
+219% +$41.3M 0.36% 85
2015
Q2
$18.7M Buy
103,384
+82,261
+389% +$14.2M 0.12% 203
2015
Q1
$3.66M Sell
21,123
-19,086
-47% -$3.45M 0.02% 416
2014
Q4
$7.44M Buy
40,209
+209
+0.5% +$38.7K 0.05% 305
2014
Q3
$6.63M Sell
40,000
-1,620
-4% -$266K 0.04% 303
2014
Q2
$6.5M Buy
41,620
+21,620
+108% +$3.41M 0.04% 309
2014
Q1
$3.04M Sell
20,000
-9,000
-31% -$1.43M 0.02% 385
2013
Q4
$3.86M Buy
29,000
+12,000
+71% +$1.44M 0.02% 350
2013
Q3
$1.98M Hold
17,000
0.01% 416
2013
Q2
$1.57M Buy
+17,000
New +$1.64M 0.01% 422

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