BIIB
Biogen (BIIB)
NASDAQ
$254.09+$0.69 (+0.27%)
Price as of Nov 12, 2026 8:48 AM EST
  • $37.5B
    Market Cap
  • 56.92%
    1-Year Change
  • Drug Manufacturers - General
    Industry
  • 1 Month
    +12.27%
    Low Price$228.90
    High Price$254.87
  • 3 Months
    +24.28%
    Low Price$209.15
    High Price$254.87
  • 1 Year
    +56.92%
    Low Price$161.48
    High Price$254.87
Date
Open
High
Low
Close
Change (%)
Volume
11/11/2026
249.78
255.19
249.44
253.40
+0.06%
1,115,452
11/10/2026
253.56
254.70
250.44
253.25
-0.64%
735,027
11/09/2026
250.36
261.00
246.44
254.87
+2.63%
1,143,246
11/06/2026
241.28
250.03
240.00
248.35
+1.81%
1,002,130
11/05/2026
255.25
255.70
243.65
243.93
-4.14%
1,221,913
11/04/2026
253.54
255.35
246.49
254.46
+2.22%
1,348,681
11/03/2026
247.32
253.14
246.25
248.93
-0.03%
1,058,211
11/02/2026
253.81
255.53
247.91
249.01
-1.82%
1,174,173
10/30/2026
255.39
258.73
251.19
253.62
+1.59%
1,332,671
10/29/2026
250.15
255.55
246.48
249.65
+2.29%
1,157,855
10/28/2026
244.93
258.78
243.03
244.05
-3.43%
2,493,009
10/28/2026
$2.62 Earnings
10/27/2026
250.35
253.98
248.46
252.73
+0.19%
1,393,392
10/26/2026
251.02
254.11
249.61
252.26
+0.63%
958,849
10/23/2026
251.68
252.44
246.15
250.69
-1.24%
1,133,304
10/22/2026
240.61
254.41
240.02
253.84
+5.34%
2,237,506
10/21/2026
242.02
243.32
240.13
240.98
-0.87%
812,899
10/20/2026
236.79
244.65
235.96
243.10
+4.12%
1,492,301
10/19/2026
231.81
236.00
231.04
233.48
+0.36%
949,629
10/16/2026
235.75
236.87
232.36
232.65
-1.15%
1,463,228
10/15/2026
236.46
240.99
235.22
235.35
+1.08%
1,572,454
10/14/2026
228.99
234.20
228.00
232.83
+1.72%
1,947,328
10/13/2026
230.34
231.04
226.71
228.90
-0.22%
1,049,197
10/12/2026
233.98
238.24
229.00
229.41
+1.64%
1,462,074
10/09/2026
220.62
227.20
219.23
225.71
+3.33%
815,008
10/08/2026
220.15
223.09
215.73
218.43
-1.67%
1,339,136
10/07/2026
222.93
228.00
221.40
222.15
-0.33%
1,298,202
10/06/2026
224.53
225.97
218.00
222.89
-0.31%
1,008,097
10/05/2026
219.90
223.85
218.22
223.59
+1.69%
951,321
10/02/2026
222.98
224.08
219.81
219.88
-1.32%
782,895
10/01/2026
225.50
228.31
222.50
222.82
-1.35%
1,795,493
09/30/2026
227.23
229.36
225.51
225.88
-0.52%
1,553,333
09/29/2026
227.02
229.41
224.45
227.07
-0.71%
1,161,174
09/28/2026
225.87
230.49
225.51
228.69
+0.48%
1,332,341
09/25/2026
228.27
228.92
223.76
227.60
+0.55%
958,031
09/24/2026
226.80
228.72
224.31
226.36
-0.51%
1,034,742
09/23/2026
226.94
229.19
222.36
227.53
+0.96%
1,494,493
09/22/2026
219.22
226.43
219.00
225.36
+2.87%
1,112,344
09/21/2026
216.14
221.92
214.59
219.07
+1.66%
928,543
09/18/2026
219.05
220.17
215.26
215.50
-1.62%
2,636,087
09/17/2026
217.68
219.41
215.33
219.05
+1.41%
836,707
09/16/2026
216.41
218.29
214.81
216.01
-0.07%
606,494
09/15/2026
216.71
216.71
213.54
216.17
-0.55%
756,048
09/14/2026
221.00
222.25
215.56
217.36
+0.10%
629,932
09/11/2026
216.75
219.76
214.71
217.15
+0.80%
1,075,461
09/10/2026
209.92
216.70
208.93
215.43
+2.23%
936,642
09/09/2026
210.50
213.48
209.00
210.73
-0.83%
694,670
09/08/2026
215.45
217.28
210.54
212.50
-3.77%
617,708
09/04/2026
221.15
223.82
219.82
220.83
-1.64%
465,109
09/03/2026
225.44
225.80
221.23
224.51
+0.83%
550,746
09/02/2026
218.20
225.59
216.97
222.67
+3.07%
1,268,283
09/01/2026
218.11
219.30
213.60
216.04
-0.28%
785,497
08/31/2026
216.47
218.89
213.58
216.65
-0.85%
832,182
08/28/2026
221.17
222.00
216.78
218.50
-1.35%
517,485
08/27/2026
219.39
222.11
217.53
221.50
+0.19%
497,525
08/26/2026
219.34
222.00
218.69
221.07
+0.14%
647,334
08/25/2026
218.93
222.85
218.00
220.77
+1.21%
496,696
08/24/2026
216.40
218.50
213.96
218.12
+0.62%
649,829
08/21/2026
217.76
219.12
215.00
216.78
+1.13%
722,348
08/20/2026
217.98
221.29
214.16
214.35
-3.25%
808,626
08/19/2026
215.33
222.15
215.08
221.56
+4.24%
886,896
08/18/2026
211.00
214.07
210.01
212.55
+1.63%
694,010
08/17/2026
208.36
210.49
207.62
209.15
-0.32%
617,240
08/14/2026
210.01
210.79
208.22
209.83
-0.39%
554,817
08/13/2026
212.98
215.61
208.79
210.65
+0.85%
860,095
08/12/2026
203.52
209.22
201.00
208.87
+2.44%
789,442
08/11/2026
206.63
207.57
203.53
203.89
-1.56%
936,835
08/10/2026
206.70
210.02
206.29
207.13
-0.39%
706,582
08/07/2026
207.38
208.31
204.16
207.94
+0.80%
877,469
08/06/2026
208.75
209.03
202.03
206.28
-0.17%
893,002
08/05/2026
210.60
212.18
205.80
206.63
-0.87%
873,781
08/04/2026
200.96
209.74
199.93
208.45
+3.29%
1,205,705
08/03/2026
203.34
203.85
199.58
201.82
-0.56%
940,993
07/31/2026
207.51
208.05
202.57
202.95
-2.40%
1,062,258
07/30/2026
204.38
210.19
203.09
207.93
-0.62%
892,939
07/29/2026
210.50
218.59
206.27
209.23
+1.76%
2,400,171
07/29/2026
$3.60 Earnings
07/28/2026
201.01
207.72
199.40
205.61
+2.73%
1,832,180
07/27/2026
202.75
204.47
199.83
200.14
-1.01%
762,581
07/24/2026
202.24
203.30
200.04
202.19
+0.78%
596,367
07/23/2026
197.04
203.60
196.92
200.62
+1.46%
1,032,070
07/22/2026
203.70
204.31
197.40
197.74
-2.67%
841,351
07/21/2026
199.47
203.70
198.59
203.16
+1.61%
652,841
07/20/2026
204.08
205.65
199.62
199.95
-2.93%
963,089
07/17/2026
208.60
215.79
203.40
205.99
-1.40%
1,151,284
07/16/2026
198.26
209.64
194.67
208.92
+5.92%
1,874,163
07/15/2026
191.21
198.58
186.03
197.24
+2.76%
2,067,351
07/14/2026
200.34
202.00
189.40
191.95
-8.17%
3,821,954
07/13/2026
199.33
210.87
197.74
209.03
+4.96%
2,259,822
07/10/2026
197.63
199.98
194.37
199.15
+0.12%
1,133,121
07/09/2026
198.92
201.01
196.00
198.91
-0.72%
1,657,542
07/08/2026
204.86
206.75
198.93
200.36
-2.60%
1,947,889
07/07/2026
211.86
212.00
205.65
205.70
-1.32%
1,156,881
07/06/2026
215.95
215.95
208.27
208.46
-3.54%
1,218,492
07/02/2026
212.74
219.02
210.75
216.12
+3.04%
1,155,166
07/01/2026
215.25
215.81
209.67
209.74
-2.93%
1,138,639
06/30/2026
218.00
218.00
212.58
216.06
-0.26%
1,091,325
06/29/2026
215.74
219.72
214.08
216.63
+0.28%
1,279,992
06/26/2026
202.53
218.06
202.29
216.03
+6.97%
2,374,526
06/25/2026
201.63
206.67
200.20
201.96
+1.19%
1,328,913