ALXN

Historical Stock Prices

$172.5
*  
3.27
1.93%
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*Delayed - data as of May 1, 2015  -  Find a broker to begin trading ALXN now
Exchange: NASDAQ
Industry: Health Care
Community Rating:
 
 
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Get up to 10 years of daily historical stock prices & volumes.

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Results for: 1 Year, From 01-MAY-2014 TO 01-MAY-2015

Date Open High "High" is the highest sales price the stock has achieved during the regular trading hours, the intra-day high. Low "Low" is the lowest sales price the stock has fallen to during the regular trading hours, the intra-day low. Close / Last "Close" is the period at the end of the trading session. Sometimes used to refer to closing price. Volume "Volume" The closing daily official volumes represented graphically for each trading day.
05/01/2015 170.66 175 170.42 172.5 955,143
04/30/2015 172.99 174.61 167.51 169.23 1,394,472
04/29/2015 171.47 174.89 170 173.61 1,703,812
04/28/2015 174.92 176.83 169.46 171.08 1,825,863
04/27/2015 181.57 182.35 173.88 174.75 1,479,797
04/24/2015 183.04 183.98 179.52 180.08 1,644,938
04/23/2015 185.6 186.99 179.18 184.58 2,348,750
04/22/2015 187.56 189.18 185.66 188.19 1,306,902
04/21/2015 186.39 188.79 184.565 186.78 1,313,957
04/20/2015 182.85 185.98 180.513 185.71 919,361
04/17/2015 182 184.6 179.17 181.34 1,063,661
04/16/2015 183.65 185.25 182.29 184.28 609,147
04/15/2015 183.74 184.87 181.98 183.83 777,200
04/14/2015 182.8 185 181.19 182.72 879,668
04/13/2015 182.5 184.5 182.17 182.9 873,494
04/10/2015 178.08 182.76 177.45 182.68 1,339,929
04/09/2015 178.33 180 174.52 177.37 908,006
04/08/2015 176.06 179.93 174.36 178.24 1,336,000
04/07/2015 171.19 177.96 170.78 176 1,348,445
04/06/2015 168.6 172.1 167.55 170.63 1,014,590
04/02/2015 169.15 170.81 166.72 169.94 1,178,575
04/01/2015 172.3 173.12 167.45 169.5 2,865,952
03/31/2015 180 180 173.12 173.3 1,824,088
03/30/2015 182.78 183.73 178.31 180.26 1,180,232
03/27/2015 175.62 183 175.435 180.59 1,450,673
03/26/2015 174.08 178.14 171.53 176.04 1,593,367
03/25/2015 183.54 185.8 175.46 175.63 1,399,442
03/24/2015 184.99 188.98 183.07 183.44 814,786
03/23/2015 186.34 187.616 182.52 185.44 992,986
03/20/2015 190.99 193.27 186.58 187.71 3,075,050
03/19/2015 189.04 189.97 187.02 189.07 1,167,876
03/18/2015 183.92 189.06 182.04 188.16 1,426,790
03/17/2015 178.09 184.75 176.76 184.12 1,576,082
03/16/2015 178.4 180.58 177.12 178.5 1,539,345
03/13/2015 176.98 181.97 174.93 176.89 1,377,310
03/12/2015 180.2 180.2 176.27 178 1,021,388
03/11/2015 181.29 181.7499 177.38 178.81 1,171,970
03/10/2015 183.48 184.18 180.37 181.28 1,492,891
03/09/2015 182.28 184.99 180.81 184.91 897,599
03/06/2015 184.61 184.61 180.51 181.65 1,001,686
03/05/2015 182.81 186.89 182.78 185.79 1,085,248
03/04/2015 180.7 183.765 179.25 182.53 716,513
03/03/2015 184.01 184.6 178.65 182.51 957,422
03/02/2015 180.34 184.73 180.09 184.62 970,970
02/27/2015 183.08 183.99 179.44 180.37 944,706
02/26/2015 185.7 186 181 183.11 757,501
02/25/2015 182.33 186.7 180.16 184.9 922,413
02/24/2015 184.3 184.3 180.01 182.29 847,427
02/23/2015 186.3 188.345 182.59 184.14 767,740
02/20/2015 182.63 186.3 180.1 186.02 1,054,392
02/19/2015 180.04 182.98 179.9201 182.28 723,016
02/18/2015 178.46 180.72 178.02 180.29 713,990
02/17/2015 181.51 181.93 178.32 178.97 1,055,718
02/13/2015 176.64 182.42 175.94 182.29 1,286,248
02/12/2015 175.35 176.36 172.55 176.27 1,173,914
02/11/2015 176.48 178.33 171.92 173.5 1,220,231
02/10/2015 171.15 177.37 171.1101 176.39 1,334,835
02/09/2015 178.09 178.09 171.24 171.42 1,187,856
02/06/2015 178.78 180.437 174.8 175.63 1,199,519
02/05/2015 178.96 181.38 176.35 178.17 1,339,437
02/04/2015 174.38 180.24 171.08 178.29 1,616,518
02/03/2015 178.67 179.28 173.3 177.51 1,428,200
02/02/2015 184.01 184.99 175.661 178.17 1,935,653
01/30/2015 186.81 189.7199 181.67 183.24 2,144,043
01/29/2015 172.58 189.03 172.35 188.05 3,015,162
01/28/2015 181.42 183.02 177.38 177.78 1,570,026
01/27/2015 179.7 182.78 178.791 180.36 783,132
01/26/2015 182.96 183.86 182.01 182.76 799,983
01/23/2015 180.53 183.37 180.26 183.32 1,139,178
01/22/2015 180.58 181.92 174.57 180.32 1,205,905
01/21/2015 181.96 183.18 178.47 179.26 1,076,019
01/20/2015 181.75 183.25 177.95 183.06 1,561,053
01/16/2015 172.28 180.88 172.27 180.44 1,791,771
01/15/2015 176.22 177.83 171.68 172.87 1,680,110
01/14/2015 177.83 179 174.63 175.4 1,462,881
01/13/2015 185.96 186.14 177.06 179.21 1,598,461
01/12/2015 185.32 186.96 182.78 183.36 752,958
01/09/2015 181.67 184.59 179.54 184.27 1,344,946
01/08/2015 183.34 188.5 183.02 183.8 1,980,182
01/07/2015 181.26 188.61 180.01 187.93 1,628,322
01/06/2015 183.66 186.46 177.2101 177.95 1,411,670
01/05/2015 181.3 185.32 180.01 182.17 1,511,813
01/02/2015 186.64 189.41 184.88 186.6 690,514
12/31/2014 185.81 188.12 184.45 185.03 1,569,849
12/30/2014 187.45 188.24 184.35 184.94 678,834
12/29/2014 188.11 189.43 185.93 188.71 862,634
12/26/2014 182.8 187.84 182.23 187.485 645,591
12/24/2014 179.35 185.78 179.34 181.96 433,756
12/23/2014 189.24 189.89 176.61 178.87 2,353,981
12/22/2014 189.33 189.97 184.86 188.15 945,537
12/19/2014 189.04 191.56 187.68 189.53 2,050,885
12/18/2014 185.89 189.01 184 188.96 1,290,285
12/17/2014 178.78 182.82 176.01 182.08 1,953,673
12/16/2014 181.36 184.44 177.16 177.73 1,930,766
12/15/2014 188.06 190.22 183.0218 183.21 1,375,672
12/12/2014 188.51 191.96 186.58 186.9 1,041,028
12/11/2014 194.06 197.32 190.16 191.62 1,038,443
12/10/2014 197.6 198.708 191 191.44 1,479,062
12/09/2014 194.57 200.06 192 199.775 1,027,132
12/08/2014 198.42 200.85 196.03 197.13 993,825
12/05/2014 197.74 198.88 195.58 198.61 627,916
12/04/2014 196.25 199.9716 195.55 197.66 512,866
12/03/2014 201.25 203.3 194.62 198.88 1,128,377
12/02/2014 193.07 202.04 193.07 200.79 1,829,388
12/01/2014 194.65 195.68 191.13 192.51 826,797
11/28/2014 195.47 196.49 193.515 194.9 576,622
11/26/2014 193.28 194.99 191.52 194.72 704,468
11/25/2014 194.08 194.1795 191.5 192.77 659,807
11/24/2014 192.55 195.01 192.3052 194.15 810,256
11/21/2014 194.98 195.87 190.29 191.02 1,086,558
11/20/2014 190.9 193.23 189.4501 192.55 553,538
11/19/2014 190.37 194.26 189.3701 191.96 633,924
11/18/2014 187.25 193.04 187.24 192.37 823,343
11/17/2014 188.6 191.34 185.8 186.78 929,165
11/14/2014 193.64 193.95 187.06 188.76 974,614
11/13/2014 194.3 194.96 191.21 193.59 636,872
11/12/2014 194.71 195.21 192.76 193.69 613,264
11/11/2014 195.32 197 193.265 194.92 761,314
11/10/2014 194.55 195.84 191.34 195.8 754,824
11/07/2014 194.49 195.26 190.6501 193.81 695,553
11/06/2014 191.42 195.95 190.53 193.14 1,380,854
11/05/2014 193.01 197.64 188.54 189.89 1,053,225
11/04/2014 191.4 193.19 189.26 191.3 612,200
11/03/2014 192.01 193.746 189.5 191.04 914,876
10/31/2014 197.23 197.23 190.3 191.36 1,237,877
10/30/2014 190.21 194.2 189.15 192.93 1,146,277
10/29/2014 192.4 193.39 187.85 190.49 986,896
10/28/2014 192.65 193.9 190.58 192.2 1,059,919
10/27/2014 189.74 191 187.32 190.55 1,217,824
10/24/2014 185.5 190.85 185.01 190.29 1,812,764
10/23/2014 179.74 186.47 177.72 185.92 2,388,636
10/22/2014 175 175.09 170.22 173.27 1,419,975
10/21/2014 169.92 174.5 167.97 174.475 1,271,754
10/20/2014 164.49 169.58 164.27 168.2 1,179,649
10/17/2014 164.85 168.96 164.03 164.75 1,546,079
10/16/2014 155.5 166.25 155.01 163.25 1,796,076
10/15/2014 157.85 161.7 155.476 160.73 1,827,150
10/14/2014 163.74 166.17 159.23 159.46 1,437,627
10/13/2014 167.67 168.21 161.106 162.77 1,524,830
10/10/2014 170.65 173.58 167.75 167.8 1,211,408
10/09/2014 175.41 175.79 169.75 170.3 1,372,745
10/08/2014 167.71 177.38 165.91 176.42 1,301,029
10/07/2014 172.99 172.99 167.93 167.96 1,224,386
10/06/2014 178.67 179.5899 173.02 173.66 1,289,069
10/03/2014 169.63 178.6 168.49 177.98 2,276,550
10/02/2014 167.23 169.49 164.68 167.86 1,055,713
10/01/2014 166.86 167.67 164.94 167.2 1,248,097
09/30/2014 168 168.28 164.41 165.82 1,285,799
09/29/2014 165.76 168.48 164.583 167.95 929,918
09/26/2014 165.98 168.34 164.22 167.65 1,071,126
09/25/2014 167.6 168.61 164.56 165.86 1,392,015
09/24/2014 158.67 168.98 158.67 168.7 1,613,678
09/23/2014 159.4 161.47 158.58 158.67 884,623
09/22/2014 160.68 162.45 157.44 159.59 830,085
09/19/2014 162.8 163.5 159.28 161.44 3,092,096
09/18/2014 161.83 163.32 160.45 161.56 674,051
09/17/2014 164.31 164.62 160.51 161.53 968,119
09/16/2014 160.03 164.06 159.11 163.41 928,828
09/15/2014 162.02 162.02 157.3 160.42 1,145,789
09/12/2014 166.59 166.9387 161.8 162.72 879,326
09/11/2014 164.87 167.11 164.41 166.95 917,511
09/10/2014 161.02 165.74 161 165.65 947,321
09/09/2014 163.32 163.87 160.5 161.37 1,056,739
09/08/2014 164.7 165.64 162.89 164.16 935,717
09/05/2014 165.93 165.93 161.3 165.3 1,075,733
09/04/2014 170.87 171.159 164.79 165.64 938,675
09/03/2014 170.44 171.35 169.24 169.96 797,652
09/02/2014 169.99 170.45 168.42 169.14 839,795
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
*This data reflects the latest intra-day delayed pricing.
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