BIIB - BIOGEN INC.
189.94
5.920 3.117%
Share volume: 952,468
Last Updated: 03-04-2026
Pharmaceutical Products/Biological Products, Except Diagnostic Substances:
0.44%
PREVIOUS CLOSE
CHG
CHG%
$184.02
5.92
0.03%
| Date | Open | Adj. open | High | Adj. high | Low | Adj. low | Close | Adj. close | Volume | Adj. volume |
|---|---|---|---|---|---|---|---|---|---|---|
| 03-04-2026 | $185.06 | $185.06 | $190.37 | $190.37 | $183.16 | $183.16 | $189.94 | $189.94 | 952,468 | $952,468.00 |
| 03-03-2026 | $185.01 | $185.01 | $187.05 | $187.05 | $181.79 | $181.79 | $184.02 | $184.02 | 1,049,925 | $1,049,925.00 |
| 03-02-2026 | $190.22 | $190.22 | $190.75 | $190.75 | $186.72 | $186.72 | $188.05 | $188.05 | 691,597 | $691,597.00 |
| 02-27-2026 | $187.51 | $187.51 | $192.46 | $192.46 | $186.62 | $186.62 | $191.82 | $191.82 | 1,402,201 | $1,402,201.00 |
| 02-26-2026 | $190.30 | $190.30 | $190.74 | $190.74 | $185.90 | $185.90 | $188.02 | $188.02 | 988,117 | $988,117.00 |
| 02-25-2026 | $194.23 | $194.23 | $196.73 | $196.73 | $189.89 | $189.89 | $190.73 | $190.73 | 942,723 | $942,723.00 |
| 02-24-2026 | $196.03 | $196.03 | $198.72 | $198.72 | $194.43 | $194.43 | $195.13 | $195.13 | 716,382 | $716,382.00 |
| 02-23-2026 | $191.82 | $191.82 | $197.05 | $197.05 | $189.11 | $189.11 | $196.34 | $196.34 | 878,939 | $878,939.00 |
| 02-20-2026 | $190.78 | $190.78 | $192.60 | $192.60 | $189.95 | $189.95 | $192.03 | $192.03 | 799,225 | $799,225.00 |
| 02-19-2026 | $193.51 | $193.51 | $195.00 | $195.00 | $191.05 | $191.05 | $192.08 | $192.08 | 993,273 | $993,273.00 |