Alexion Pharmaceuticals, Inc. - 25 Year Stock Price History | ALXN
Historical daily share price chart and data for Alexion Pharmaceuticals, Inc. from 1996 to 2021 adjusted for splits and dividends. ALXN was delisted after July 28, 2021.
- The latest closing stock price for Alexion Pharmaceuticals, Inc. on July 28, 2021 is 182.50.
- The all-time high Alexion Pharmaceuticals, Inc. closing stock price was 207.84 on July 23, 2015.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
Alexion Pharmaceuticals, Inc. Historical Annual Stock Price Data |
Year |
Average Stock Price |
Year Open |
Year High |
Year Low |
Year Close |
Annual % Change |
2021 |
165.9723 |
156.8100 |
186.6100 |
148.1900 |
182.5000 |
16.81% |
2020 |
110.2840 |
107.8400 |
158.0300 |
75.5600 |
156.2400 |
44.47% |
2019 |
118.1113 |
98.0500 |
141.3000 |
94.8400 |
108.1500 |
11.08% |
2018 |
120.0025 |
124.0500 |
139.0100 |
93.9400 |
97.3600 |
-18.59% |
2017 |
125.7262 |
122.6300 |
146.6900 |
97.7000 |
119.5900 |
-2.26% |
2016 |
134.8574 |
184.6800 |
184.9000 |
110.0100 |
122.3500 |
-35.86% |
2015 |
177.6471 |
186.6000 |
207.8400 |
145.6000 |
190.7500 |
3.09% |
2014 |
166.7312 |
133.4400 |
200.7900 |
129.8200 |
185.0300 |
39.24% |
2013 |
104.9874 |
100.0500 |
132.9100 |
83.3900 |
132.8840 |
41.76% |
2012 |
94.2987 |
70.5700 |
118.1500 |
70.2900 |
93.7400 |
31.10% |
2011 |
53.8780 |
40.6650 |
71.5500 |
40.6650 |
71.5000 |
77.53% |
2010 |
29.1347 |
24.1250 |
41.1700 |
22.7500 |
40.2750 |
64.99% |
2009 |
20.1819 |
18.0650 |
24.4100 |
15.8250 |
24.4100 |
34.90% |
2008 |
18.1343 |
18.8775 |
23.7525 |
12.7425 |
18.0950 |
-3.53% |
2007 |
13.6236 |
10.1525 |
19.9500 |
8.9425 |
18.7575 |
85.76% |
2006 |
8.7138 |
5.0725 |
11.3500 |
5.0150 |
10.0975 |
99.46% |
2005 |
6.0305 |
6.0925 |
7.4975 |
4.6550 |
5.0625 |
-19.64% |
2004 |
4.9553 |
4.3125 |
6.3750 |
3.3925 |
6.3000 |
48.15% |
2003 |
3.8359 |
3.6250 |
5.2300 |
2.5850 |
4.2525 |
20.47% |
2002 |
4.0792 |
5.7750 |
6.5650 |
2.3950 |
3.5300 |
-42.23% |
2001 |
6.3246 |
15.3900 |
18.6875 |
3.7375 |
6.1100 |
-62.37% |
2000 |
17.8134 |
7.3750 |
29.0750 |
6.9375 |
16.2350 |
115.53% |
1999 |
3.2124 |
3.1250 |
7.8450 |
2.1095 |
7.5325 |
125.19% |
1998 |
2.7282 |
2.9700 |
3.7500 |
1.5000 |
3.3450 |
7.04% |
1997 |
2.7061 |
2.1875 |
3.8450 |
2.0313 |
3.1250 |
43.84% |