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Biogen (BIIB)
NASDAQ:BIIB
Time Period
1Y
Events
Historical Prices
Rows:
Dec 18, 2025
171.59
173.00
168.56
169.91
169.91
-1.27%
2,761,018
1.48
Dec 17, 2025
171.43
173.83
169.55
172.10
172.10
+0.35%
2,783,560
1.51
Dec 16, 2025
174.51
174.51
169.52
171.50
171.50
-2.41%
2,408,490
1.32
Dec 15, 2025
173.67
175.94
170.45
175.74
175.74
+0.94%
2,291,589
1.26
Dec 12, 2025
173.49
175.08
171.27
174.10
174.10
+0.93%
1,781,471
0.98
Dec 11, 2025
177.47
180.79
172.00
172.50
172.50
-2.84%
2,721,790
1.51
Dec 10, 2025
173.30
178.17
169.24
177.55
177.55
+0.97%
2,147,901
1.20
Dec 09, 2025
179.91
181.99
175.39
175.84
175.84
-2.55%
1,506,685
0.84
Dec 08, 2025
181.30
182.12
179.21
180.44
180.44
-0.47%
1,474,568
0.82
Dec 05, 2025
181.96
183.15
181.10
181.30
181.30
-0.37%
1,209,961
0.67
Dec 04, 2025
181.86
182.69
179.27
181.98
181.98
+0.68%
1,246,342
0.69
Dec 03, 2025
180.17
182.94
178.05
180.75
180.75
+0.32%
1,845,129
1.03
Dec 02, 2025
177.32
180.55
174.53
180.18
180.18
+1.35%
1,866,647
1.03
Dec 01, 2025
180.15
181.78
175.88
177.78
177.78
-2.37%
1,947,020
1.07
Nov 28, 2025
182.07
182.74
180.69
182.09
182.09
+0.08%
566,362
0.31
Nov 26, 2025
181.96
183.93
180.76
181.94
181.94
-0.01%
1,483,073
0.81
Nov 25, 2025
177.07
182.97
176.09
181.96
181.96
+2.91%
2,344,782
1.30
Nov 24, 2025
177.65
185.17
175.57
176.82
176.82
+0.87%
4,164,240
2.36
Nov 21, 2025
168.54
176.02
167.42
175.30
175.30
+4.23%
2,268,169
1.30
Nov 20, 2025
168.15
170.91
165.75
168.18
168.18
+0.15%
1,914,503
1.10
Nov 19, 2025
168.83
168.90
165.79
167.93
167.93
-0.53%
1,765,993
1.03
Nov 18, 2025
164.40
170.78
163.00
168.83
168.83
+2.52%
2,257,470
1.32
Nov 17, 2025
167.00
167.97
163.50
164.68
164.68
-1.71%
2,245,006
1.33
Nov 14, 2025
164.72
169.00
163.00
167.55
167.55
+1.71%
2,620,813
1.56
Nov 13, 2025
161.57
167.87
161.20
164.73
164.73
+2.01%
2,993,001
1.80
Nov 12, 2025
160.00
162.56
158.05
161.48
161.48
+1.20%
1,659,866
1.00
Nov 11, 2025
156.76
159.95
154.20
159.56
159.56
+2.11%
1,504,613
0.91
Nov 10, 2025
155.41
156.55
153.77
156.26
156.26
+0.48%
1,258,595
0.76
Nov 07, 2025
156.70
156.70
151.83
155.51
155.51
-0.78%
1,552,011
0.94
Nov 06, 2025
155.76
157.80
153.76
156.74
156.74
+2.16%
1,848,716
1.13
Nov 05, 2025
149.66
153.68
148.51
153.43
153.43
+2.75%
1,806,070
1.11
Nov 04, 2025
150.89
152.90
149.05
149.33
149.33
-1.39%
2,029,011
1.25
Nov 03, 2025
153.60
155.33
149.63
151.44
151.44
-1.83%
2,197,357
1.36
Oct 31, 2025
147.99
155.18
146.52
154.27
154.27
+3.11%
2,234,417
1.39
Oct 30, 2025
140.10
154.44
138.00
149.61
149.61
+1.18%
2,743,440
1.71
Oct 29, 2025
148.82
149.91
147.54
147.86
147.86
-0.85%
2,450,030
1.51
Oct 28, 2025
150.01
150.30
148.37
149.13
149.13
-0.86%
1,662,713
1.02
Oct 27, 2025
150.07
150.92
148.10
150.43
150.43
+0.36%
1,214,304
0.75
Oct 24, 2025
151.09
151.92
148.98
149.89
149.89
-0.13%
1,338,315
0.83
Oct 23, 2025
148.99
150.29
147.57
150.08
150.08
+1.60%
1,245,964
0.77
Oct 22, 2025
147.37
149.12
146.25
147.72
147.72
+1.03%
1,403,299
0.87
Oct 21, 2025
146.09
147.89
144.29
146.22
146.22
-0.28%
895,048
0.55
Oct 20, 2025
143.31
147.47
142.41
146.63
146.63
+2.54%
1,312,489
0.81
Oct 17, 2025
142.10
144.33
141.67
143.00
143.00
+0.52%
1,010,007
0.62
Oct 16, 2025
144.05
147.48
141.70
142.26
142.26
-0.97%
1,469,099
0.91
Oct 15, 2025
144.74
145.19
142.29
143.66
143.66
-1.14%
1,337,176
0.83
Oct 14, 2025
144.09
146.88
142.20
145.31
145.31
+0.43%
1,283,553
0.79
Oct 13, 2025
146.47
147.56
144.65
144.69
144.69
-1.28%
1,124,466
0.69
Oct 10, 2025
150.00
150.20
144.74
146.57
146.57
-2.03%
1,724,990
1.07
Oct 09, 2025
151.37
152.15
148.17
149.61
149.61
-0.90%
1,600,465
1.00
Rows: