ALXN

Alexion Pharmaceuticals, Inc. Historical Stock Prices

$168.54
*  
0.75
0.44%
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*Delayed - data as of Sep. 2, 2014 15:39 ET  -  Find a broker to begin trading ALXN now
Exchange: NASDAQ
Industry: Health Care
Community Rating:
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Results for: 1 Year, From 29-AUG-2013 TO 29-AUG-2014

Date Open High Low Close / Last Volume
15:39  169.99  170.45  168.42  168.54 635,290
08/29/2014 169.58 169.8 167.18 169.29 703,599
08/28/2014 168.59 169.55 167.14 168.31 578,994
08/27/2014 172.33 172.72 168.76 169.17 837,764
08/26/2014 170.39 172.96 169.42 172.27 762,115
08/25/2014 169.81 171.71 169.07 170.56 968,277
08/22/2014 167.37 168.98 164.62 168.22 734,288
08/21/2014 169.51 170.45 166.02 166.47 820,652
08/20/2014 168.45 169.9122 167.55 168.74 743,918
08/19/2014 170.67 170.98 168.7 169.76 693,451
08/18/2014 173 173.2499 169.28 170.24 1,177,207
08/15/2014 169.5 171.44 167.235 171.3 1,608,959
08/14/2014 164.29 169.02 164.29 168.9 1,158,815
08/13/2014 161.56 164.36 160.4 164.01 783,042
08/12/2014 160.99 161.39 159.23 160.62 861,678
08/11/2014 160.04 162.175 158.24 161.78 969,004
08/08/2014 156.83 159.6 155.55 159.11 678,279
08/07/2014 159.05 159.43 155.37 155.96 1,131,453
08/06/2014 155.91 159.57 154.73 158.71 781,158
08/05/2014 156.98 159.75 154.56 156.46 1,300,759
08/04/2014 159.35 160.5697 157.22 158.87 1,026,595
08/01/2014 158.62 161.11 156.21 159.12 1,160,157
07/31/2014 161.03 163.49 158.35 158.99 1,445,131
07/30/2014 165.65 167.76 162.66 163.68 936,143
07/29/2014 164.12 165.02 161.7 163.78 1,172,535
07/28/2014 167.2 167.2 160.38 162.74 1,632,015
07/25/2014 166.64 168.42 164.57 167.04 1,176,664
07/24/2014 171.43 173.7 163.02 167.48 2,881,873
07/23/2014 168.65 173.49 168.23 173.08 1,751,203
07/22/2014 164.26 168.41 164.26 167.97 1,544,180
07/21/2014 160.17 163.92 158.5885 163.37 1,048,464
07/18/2014 156.46 161.74 155.8 161.25 1,083,771
07/17/2014 157.66 158.94 154.38 155.06 1,557,152
07/16/2014 161.13 162.24 157.4714 158.77 1,175,300
07/15/2014 164.33 164.66 160.26 160.32 1,215,404
07/14/2014 164.32 165.42 162.6 163.76 780,240
07/11/2014 162.75 163.75 160.89 163.21 724,261
07/10/2014 161.62 163.44 160 162.89 1,208,344
07/09/2014 159.66 164.95 155.56 164.52 1,505,941
07/08/2014 159.98 160.99 157 159.08 1,285,360
07/07/2014 164.39 164.92 160.05 160.66 764,501
07/03/2014 164.79 165.96 162.485 164.21 719,057
07/02/2014 162.12 164.99 159.715 164.22 1,147,696
07/01/2014 157.81 163.18 157.06 162.79 1,559,720
06/30/2014 157.57 159.12 154.78 156.25 1,813,138
06/27/2014 159.52 160.9525 156.02 157.6 3,818,998
06/26/2014 160.01 160.38 157.09 160.14 1,296,626
06/25/2014 159 161.58 156 159.13 1,603,385
06/24/2014 161.09 163.21 158.21 158.785 1,279,381
06/23/2014 164.9 166.22 161.505 161.66 968,124
06/20/2014 160.49 166.51 159.3 165.46 1,975,963
06/19/2014 160.91 160.92 157.8 159.69 968,763
06/18/2014 159.86 161.58 157.59 160.43 1,258,732
06/17/2014 162.49 163.74 160.05 160.15 1,009,118
06/16/2014 163.87 166.16 161.66 162.82 1,032,172
06/13/2014 166.1 166.6799 162.63 163.73 1,032,123
06/12/2014 167.23 168.97 165.175 165.97 806,874
06/11/2014 165.7 168.21 164.1493 167.46 982,987
06/10/2014 167.2 169.19 165.16 166.9 829,281
06/09/2014 170.02 170.3 166.8 167.81 801,216
06/06/2014 172.45 172.5 167.17 170.2 659,817
06/05/2014 169.85 170.35 165.76 169.5 945,454
06/04/2014 168.12 170.45 166.61 169.59 1,233,493
06/03/2014 166.2 168.56 165.63 168.22 809,532
06/02/2014 163.95 167.4899 163.75 167.05 745,803
05/30/2014 168.02 168.32 163.95 166.32 981,513
05/29/2014 168.12 171.03 166.2 167.52 1,108,438
05/28/2014 168.49 168.88 165.64 167.65 989,928
05/27/2014 163.8 168.25 163.3201 168.2 1,304,705
05/23/2014 160.91 163 158.03 162.3 898,609
05/22/2014 156.53 164.5 156.53 160.48 1,292,783
05/21/2014 156.68 157.69 155.04 156.6 573,424
05/20/2014 158.96 159.13 154.45 155.85 971,805
05/19/2014 156.79 159.5 155.735 158.42 583,177
05/16/2014 157.87 158.6 155.49 157.93 1,071,502
05/15/2014 159.28 159.65 154 157.71 1,173,537
05/14/2014 160.85 163.98 158.86 159.72 873,934
05/13/2014 160.89 164.71 159.95 161.5 1,359,946
05/12/2014 153.14 161.52 153.14 161.1 1,281,966
05/09/2014 151.71 154.318 147.81 152.87 1,103,119
05/08/2014 153.04 157.07 150.68 151.05 1,043,145
05/07/2014 156.93 158.46 151.02 153.68 1,154,382
05/06/2014 157.02 158.87 154.83 155.66 1,055,035
05/05/2014 153.74 160.5 153.278 159.7 889,242
05/02/2014 161.08 161.08 153.53 155.12 1,783,584
05/01/2014 157.56 162.92 156.294 159.8 1,314,028
04/30/2014 159.64 159.65 156.01 158.2 1,474,104
04/29/2014 153.07 157.813 150.07 157.32 1,367,230
04/28/2014 152.31 155.52 148.39 151.64 2,829,175
04/25/2014 155.9 157.98 152.07 153.19 1,997,240
04/24/2014 158.35 163.5 150.1 156.01 3,372,536
04/23/2014 155.97 156.98 150.21 152.23 1,353,767
04/22/2014 152.72 159.41 152.5 156.1 1,414,976
04/21/2014 150.25 152.61 147.78 152.19 1,062,327
04/17/2014 149.27 154.11 147.3 149.8 2,298,989
04/16/2014 147.17 150.79 145.24 149.05 1,455,492
04/15/2014 142.07 146.37 136.37 145.42 2,178,750
04/14/2014 141.21 145.455 139.06 141.97 1,644,231
04/11/2014 141.95 147.5 138.73 139.61 2,465,123
04/10/2014 155.24 155.24 142.31 144.19 3,004,425
04/09/2014 148.25 156.31 147.345 155.86 1,909,074
04/08/2014 146.52 149.17 143.37 147.66 2,032,570
04/07/2014 141.2 148.57 139.65 145.66 1,921,782
04/04/2014 153.12 153.902 139.52 142.5 2,807,769
04/03/2014 153.09 155.0799 148.3 151.46 1,860,233
04/02/2014 156.2 158.52 152.79 154.51 1,373,704
04/01/2014 153.21 161.5 151.86 155.345 1,781,357
03/31/2014 150.54 152.66 148.81 152.13 1,708,699
03/28/2014 152 155.76 149.34 149.42 2,331,361
03/27/2014 151.79 153.52 146.1 151.1 2,105,204
03/26/2014 154.74 158 150.07 150.55 2,286,314
03/25/2014 149.77 156.68 148.4013 153.08 2,488,265
03/24/2014 159.67 159.88 145.64 149.76 4,549,674
03/21/2014 174.85 177.07 157.7619 159.79 6,734,076
03/20/2014 175.71 175.74 172.28 173.66 1,041,477
03/19/2014 180.85 181.5845 174.75 175.92 1,366,414
03/18/2014 178.51 181.5 177.99 180.94 1,077,228
03/17/2014 177.5 179.1799 176.11 177.99 1,499,830
03/14/2014 173.36 177.85 172.26 175.28 1,099,216
03/13/2014 178.73 179.23 173.4 175.17 1,467,084
03/12/2014 174.69 179.1 173.22 177.9 1,317,344
03/11/2014 179.77 180.2 175.06 175.95 1,492,933
03/10/2014 171.98 180.82 170.8301 180 2,596,655
03/07/2014 169.86 170.1 163.77 168.05 2,116,411
03/06/2014 173.27 173.99 167.24 168.55 2,112,894
03/05/2014 173.05 174.25 170.56 171 1,890,140
03/04/2014 176.49 176.775 170.89 173.44 1,995,673
03/03/2014 174.77 177.51 171.47 172.43 1,781,051
02/28/2014 184.45 184.45 173.07 176.8 1,802,417
02/27/2014 182.27 184.84 181.65 183.89 781,931
02/26/2014 182.22 185.188 181.16 182.57 929,199
02/25/2014 183.91 185.43 181.004 182.63 1,018,343
02/24/2014 185.06 185.06 181.56 183.55 1,294,091
02/21/2014 178.49 184.22 176.11 181.52 1,353,957
02/20/2014 180.5 180.99 176 179.06 2,073,117
02/19/2014 181.62 183.88 178.5083 180.41 1,173,497
02/18/2014 182.85 184.73 179.29 181.06 1,734,336
02/14/2014 180.06 183.3199 178.0825 180.55 1,611,874
02/13/2014 174.23 180.34 173.2 180 1,608,868
02/12/2014 174.71 176 173.5 175.86 1,937,567
02/11/2014 170.75 174.78 168.21 174.43 2,365,662
02/10/2014 165 171.09 164.065 170.11 2,358,230
02/07/2014 155.55 164.29 155.48 163.63 1,949,386
02/06/2014 154.33 157.59 153.72 157.4 1,249,182
02/05/2014 157.38 157.67 152.22 154.49 1,416,879
02/04/2014 153.63 158.23 150.701 156.21 2,120,547
02/03/2014 158.385 159.36 153.48 154.67 2,086,581
01/31/2014 155.88 161.8735 155.88 158.73 3,063,832
01/30/2014 155.06 169.98 154 162 5,801,949
01/29/2014 131.51 135.21 129.8 133.73 1,411,344
01/28/2014 129.14 133.39 128.89 133.01 1,146,270
01/27/2014 133.38 135.07 126.761 129.82 1,911,360
01/24/2014 137.22 139.02 133.48 133.64 1,327,427
01/23/2014 139.35 141.23 136.33 137.94 1,137,486
01/22/2014 140.64 142.98 140.12 140.75 1,263,271
01/21/2014 141.29 142.69 139.16 142.58 1,224,892
01/17/2014 139.38 140.98 136.88 139.71 1,535,259
01/16/2014 137.04 139.88 136.865 139.81 936,655
01/15/2014 137.73 138.32 133.99 137.03 1,024,688
01/14/2014 131.35 137.76 130.91 137.66 1,467,607
01/13/2014 135.59 136.43 128.85 130.61 1,354,090
01/10/2014 135.51 135.53 132.87 135.21 991,016
01/09/2014 134.12 135.46 132.22 134.07 991,542
01/08/2014 133.67 135.182 131.69 134 956,597
01/07/2014 130.51 133.42 128.51 133.17 1,455,173
01/06/2014 131.66 132 127.7 129.86 1,085,490
01/03/2014 133 134.27 131.65 131.72 683,940
01/02/2014 132.46 133.82 130.54 133.44 760,197
12/31/2013 133.06 133.48 131.22 132.884 455,634
12/30/2013 131.72 133.04 130.15 132.7 685,149
12/27/2013 133.47 133.47 131.01 131.57 652,689
12/26/2013 132 133.75 130.01 132.91 531,003
12/24/2013 130.81 131.99 129.47 131.06 319,770
12/23/2013 131.38 132.435 130.12 130.9 901,497
12/20/2013 131.48 131.675 128.52 130.64 2,245,605
12/19/2013 129.24 131.11 126.08 130.75 1,523,215
12/18/2013 123.51 128.9 122.69 128.65 1,986,887
12/17/2013 123.31 124.12 121.44 123.06 1,341,978
12/16/2013 124.14 125.38 122.02 123.78 990,414
12/13/2013 124.33 124.62 122.101 123.69 1,341,832
12/12/2013 120.99 123.42 120.87 122.35 1,038,951
12/11/2013 124.55 125.48 121.37 121.6 1,208,039
12/10/2013 125.7 126.8399 123.31 125.25 1,128,805
12/09/2013 127.14 128.09 125.24 125.84 1,598,394
12/06/2013 124.1 129.2245 122.2325 125.45 1,022,449
12/05/2013 122.19 123.08 121.07 122.17 831,237
12/04/2013 121.04 123.18 120.1401 122.65 875,068
12/03/2013 122.42 122.82 120.87 122.16 838,979
12/02/2013 124.58 124.8 122.2201 123.8 740,089
11/29/2013 121.67 124.8 121.12 124.5 622,379
11/27/2013 122.99 123.195 120.2 121.24 484,406
11/26/2013 122.26 122.87 120.22 121.9 639,364
11/25/2013 123.66 123.93 121.35 122.17 696,478
11/22/2013 121.97 123.29 120.43 122.79 1,013,687
11/21/2013 119.69 122.04 119.69 121.3 708,827
11/20/2013 118.99 121.68 117.74 119.06 779,584
11/19/2013 120.36 121.14 117.33 118.45 885,475
11/18/2013 124.52 124.69 120.38 120.97 861,905
11/15/2013 119.85 124.08 118.49 124.07 1,768,125
11/14/2013 116.94 120.11 116.35 119.97 1,222,337
11/13/2013 115.45 116.65 114 116.6 815,912
11/12/2013 115.54 116.26 113.14 115.72 974,312
11/11/2013 118.2 118.4 114.62 116.17 871,847
11/08/2013 114.54 118.56 114.54 117.43 1,054,031
11/07/2013 117 118.32 113.92 114.1 1,456,002
11/06/2013 120 120.24 116.23 116.32 978,677
11/05/2013 122.61 122.77 117.76 119.54 1,435,051
11/04/2013 123.76 124.73 122.15 122.93 916,630
11/01/2013 124.06 124.5 122.23 123.358 905,411
10/31/2013 125 125.67 122.94 122.95 1,253,786
10/30/2013 124.2 126.389 123.65 125.5 1,290,001
10/29/2013 124.24 124.4445 122 124.08 789,535
10/28/2013 123.93 124.78 121.5 124.2 1,672,877
10/25/2013 118.1 125.26 117.765 125.17 2,626,550
10/24/2013 111.22 117 110.67 116.7 2,090,827
10/23/2013 107.39 110.07 106.825 109.66 1,092,382
10/22/2013 106.27 108.02 100.89 107.72 902,150
10/21/2013 108.45 108.97 105.52 105.88 956,264
10/18/2013 111.04 111.04 108.25 108.43 1,033,023
10/17/2013 110.75 110.92 109.47 110.79 937,987
10/16/2013 109.27 111.7 108.75 110.96 917,234
10/15/2013 106.84 109.13 106.53 108.24 901,987
10/14/2013 107.91 108.02 105.74 107.01 962,773
10/11/2013 108 109.75 107.57 108.81 699,649
10/10/2013 106.94 109.0819 106.25 108.674 744,934
10/09/2013 108.71 109.23 104.42 105.48 1,480,403
10/08/2013 114.24 114.375 108.35 108.47 1,230,742
10/07/2013 115 115.77 114.34 114.49 592,115
10/04/2013 113.85 116.72 113.37 116.44 890,537
10/03/2013 116.24 116.44 112.7201 114.22 895,224
10/02/2013 117.09 117.739 115.79 116.75 703,347
10/01/2013 116.8 118.29 115.06 117.39 1,060,040
09/30/2013 115.32 116.31 114.5 116.16 1,276,971
09/27/2013 114.84 116.91 114.4 116.42 743,251
09/26/2013 113.63 116.01 113.322 115.97 1,084,598
09/25/2013 113.85 115.19 112.83 113.05 659,757
09/24/2013 112.54 114.44 112 113.59 762,183
09/23/2013 113.94 114.3699 112.28 112.5 880,907
09/20/2013 114.22 115.58 113.47 113.65 1,450,195
09/19/2013 116.07 116.24 112.57 114.03 1,064,143
09/18/2013 114.2 116.74 112.54 115.932 837,161
09/17/2013 113.83 114.94 113.01 114.24 418,470
09/16/2013 115 115.45 113.24 113.74 524,846
09/13/2013 114.33 114.57 113.52 114.14 591,983
09/12/2013 114.71 114.74 113.42 114.21 500,410
09/11/2013 113.91 114.79 109.75 114.74 1,478,544
09/10/2013 112.92 113.86 111.49 113.62 1,064,604
09/09/2013 111.84 113.05 111.3801 112.78 571,636
09/06/2013 113.05 113.05 109.45 111.56 551,836
09/05/2013 112.65 113.2299 111.52 112.49 433,672
09/04/2013 110.65 113.575 109.58 112.65 945,206
09/03/2013 109.34 111.18 108.27 110.17 733,114
08/30/2013 109.67 109.99 107.29 107.76 512,793
08/29/2013 107.31 109.98 107.05 109.3 755,859
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*This data reflects the latest intra-day delayed pricing.

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