BIIB - BIOGEN INC.
185.95
2.610 1.404%
Share volume: 1,063,202
Last Updated: 04-21-2026
Pharmaceutical Products/Biological Products, Except Diagnostic Substances:
0.21%
PREVIOUS CLOSE
CHG
CHG%
$183.34
2.61
0.01%
| Date | Open | Adj. open | High | Adj. high | Low | Adj. low | Close | Adj. close | Volume | Adj. volume |
|---|---|---|---|---|---|---|---|---|---|---|
| 04-21-2026 | $184.52 | $184.52 | $187.74 | $187.74 | $181.75 | $181.75 | $185.95 | $185.95 | 1,063,202 | $1,063,202.00 |
| 04-20-2026 | $179.54 | $179.54 | $184.26 | $184.26 | $178.72 | $178.72 | $183.34 | $183.34 | 1,484,371 | $1,484,371.00 |
| 04-17-2026 | $176.29 | $176.29 | $178.41 | $178.41 | $175.69 | $175.69 | $177.35 | $177.35 | 1,239,458 | $1,239,458.00 |
| 04-16-2026 | $178.82 | $178.82 | $179.99 | $179.99 | $174.85 | $174.85 | $176.02 | $176.02 | 953,722 | $953,722.00 |
| 04-15-2026 | $179.36 | $179.36 | $180.87 | $180.87 | $177.70 | $177.70 | $180.54 | $180.54 | 1,168,801 | $1,168,801.00 |
| 04-14-2026 | $177.71 | $177.71 | $181.77 | $181.77 | $177.45 | $177.45 | $178.96 | $178.96 | 1,550,580 | $1,550,580.00 |
| 04-13-2026 | $172.62 | $172.62 | $176.79 | $176.79 | $171.22 | $171.22 | $176.37 | $176.37 | 1,414,958 | $1,414,958.00 |
| 04-10-2026 | $177.97 | $177.97 | $177.97 | $177.97 | $172.32 | $172.32 | $172.97 | $172.97 | 1,501,979 | $1,501,979.00 |
| 04-09-2026 | $177.81 | $177.81 | $180.06 | $180.06 | $174.97 | $174.97 | $177.11 | $177.11 | 1,266,491 | $1,266,491.00 |
| 04-08-2026 | $178.24 | $178.24 | $180.24 | $180.24 | $176.35 | $176.35 | $179.90 | $179.90 | 1,289,686 | $1,289,686.00 |