Biogen (BIIB)
NASDAQ:BIIB
Time Period
1Y
Events
Historical Prices
Rows:
Apr 09, 2026
177.81
180.06
174.97
177.11
177.11
-1.55%
1,266,491
1.02
Apr 08, 2026
178.24
180.24
176.35
179.90
179.90
+2.44%
1,286,447
1.03
Apr 07, 2026
172.20
175.64
170.43
175.61
175.61
+1.90%
1,515,806
1.22
Apr 06, 2026
177.00
177.39
168.64
172.34
172.34
-2.82%
2,149,104
1.73
Apr 03, 2026
181.46
182.23
176.39
177.34
177.34
0.00%
0
0.00
Apr 02, 2026
181.46
182.23
176.39
177.34
177.34
-3.50%
1,339,297
1.04
Apr 01, 2026
183.16
186.31
181.71
183.78
183.78
+0.25%
1,390,216
1.09
Mar 31, 2026
179.46
184.68
171.37
183.33
183.33
-2.26%
2,719,977
2.18
Mar 30, 2026
186.16
190.09
185.51
187.57
187.57
+2.03%
799,935
0.64
Mar 27, 2026
191.06
191.06
183.01
183.84
183.84
-3.78%
935,071
0.75
Mar 26, 2026
189.00
192.28
188.36
191.06
191.06
+0.99%
879,068
0.71
Mar 25, 2026
184.91
189.38
184.91
189.18
189.18
+2.85%
775,108
0.63
Mar 24, 2026
182.63
184.84
180.33
183.94
183.94
+0.16%
644,070
0.52
Mar 23, 2026
183.48
185.00
183.00
183.64
183.64
+1.20%
998,269
0.79
Mar 20, 2026
183.13
183.69
180.47
181.46
181.46
-1.06%
2,214,190
1.51
Mar 19, 2026
182.18
185.45
181.68
183.41
183.41
+0.60%
758,619
0.51
Mar 18, 2026
184.13
184.32
180.48
182.31
182.31
-1.61%
846,215
0.55
Mar 17, 2026
184.73
186.52
183.20
185.29
185.29
+1.11%
810,140
0.52
Mar 16, 2026
182.75
184.62
181.88
183.26
183.26
+0.94%
995,902
0.63
Mar 13, 2026
185.99
188.00
181.46
181.55
181.55
-1.81%
1,078,366
0.68
Mar 12, 2026
187.86
188.91
184.63
184.90
184.90
-2.93%
851,407
0.53
Mar 11, 2026
187.54
192.99
187.54
190.48
190.48
+1.10%
864,270
0.53
Mar 10, 2026
187.69
190.78
187.02
188.41
188.41
+0.09%
687,438
0.42
Mar 09, 2026
183.91
188.50
182.60
188.24
188.24
+1.82%
651,618
0.39
Mar 06, 2026
186.25
186.25
181.24
184.87
184.87
-1.71%
772,906
0.46
Mar 05, 2026
187.97
190.99
185.95
188.08
188.08
-0.98%
893,331
0.53
Mar 04, 2026
185.06
190.37
183.16
189.94
189.94
+3.22%
952,927
0.56
Mar 03, 2026
185.01
187.05
181.79
184.02
184.02
-2.14%
1,049,925
0.62
Mar 02, 2026
190.22
190.75
186.72
188.05
188.05
-1.97%
691,597
0.40
Feb 27, 2026
187.51
192.46
186.62
191.82
191.82
+2.02%
1,402,201
0.82
Feb 26, 2026
190.30
190.74
185.90
188.02
188.02
-1.42%
988,117
0.58
Feb 25, 2026
194.23
196.73
189.89
190.73
190.73
-2.25%
942,723
0.54
Feb 24, 2026
196.03
198.72
194.43
195.13
195.13
-0.62%
716,382
0.40
Feb 23, 2026
191.82
197.05
189.11
196.34
196.34
+2.24%
878,939
0.48
Feb 20, 2026
190.78
192.60
189.95
192.03
192.03
-0.03%
799,225
0.44
Feb 19, 2026
193.51
195.00
191.05
192.08
192.08
-1.06%
993,273
0.54
Feb 18, 2026
195.32
195.68
193.11
194.13
194.13
-0.76%
1,049,036
0.56
Feb 17, 2026
197.46
200.29
193.37
195.62
195.62
-0.46%
986,535
0.52
Feb 16, 2026
196.27
199.50
195.52
196.52
196.52
0.00%
0
0.00
Feb 13, 2026
196.27
199.50
195.52
196.52
196.52
+0.52%
1,352,792
0.69
Feb 12, 2026
190.15
196.00
189.00
195.50
195.50
+2.25%
1,657,480
0.85
Feb 11, 2026
188.35
192.00
187.20
191.20
191.20
-1.35%
996,929
0.51
Feb 10, 2026
194.07
195.72
188.74
188.99
188.99
-2.49%
1,836,221
0.94
Feb 09, 2026
199.83
201.00
191.88
193.81
193.81
-3.66%
2,096,252
1.08
Feb 06, 2026
187.01
202.41
184.60
201.18
201.18
+8.53%
3,404,876
1.78
Feb 05, 2026
184.87
187.73
184.54
185.36
185.36
-0.05%
2,542,641
1.33
Feb 04, 2026
177.25
186.24
177.10
185.45
185.45
+4.92%
2,075,602
1.09
Feb 03, 2026
177.79
182.67
176.19
176.76
176.76
-1.30%
1,594,142
0.83
Feb 02, 2026
179.30
180.76
177.58
179.09
179.09
-0.44%
1,288,816
0.67
Jan 30, 2026
177.09
180.14
175.96
179.89
179.89
+2.11%
1,487,978
0.76
Rows: