analyst
NASDAQ · BIIB
Biogen Inc.
Healthcare · Drug Manufacturers - General
$225.71
Up+$7.28 (+3.33%)
Updated Oct 12, 2026, 4:58 AM
SID Score
6.7/10
Composite research score
Smart Money
56/100
Neutral
- Market cap
- 25.33B
- P/E ratio
- 15.74
- Dividend yield
- 0.00%
- 52-week range
- $160.36 – $230.49
- Volume
- 815.01K
- Avg. volume
- 1.8M
Price performance · BIIB
BIIB price history
1M range · 20 trading sessions · Daily adjusted prices
Prices through Oct 9, 2026
BIIB closed at $225.71 after 20 trading sessions, up 3.84% for the selected period.
- Last close
- $225.71
- Period change
- +3.84%
- Period low
- $215.50
- Period high
- $228.69
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 9, 2026 | $220.62 | $227.20 | $219.225 | $225.71 | 815.01K |
| Oct 8, 2026 | $220.15 | $223.085 | $215.73 | $218.43 | 1.34M |
| Oct 7, 2026 | $222.93 | $228.00 | $221.40 | $222.15 | 1.3M |
| Oct 6, 2026 | $224.53 | $225.97 | $218.00 | $222.89 | 1.01M |
| Oct 5, 2026 | $219.90 | $223.85 | $218.22 | $223.59 | 951.32K |
| Oct 2, 2026 | $222.98 | $224.08 | $219.81 | $219.88 | 780.43K |
| Oct 1, 2026 | $225.50 | $228.31 | $222.50 | $222.82 | 1.76M |
| Sep 30, 2026 | $227.23 | $229.36 | $225.505 | $225.88 | 1.55M |
| Sep 29, 2026 | $227.02 | $229.41 | $224.45 | $227.07 | 1.16M |
| Sep 28, 2026 | $225.87 | $230.49 | $225.51 | $228.69 | 1.33M |
| Sep 25, 2026 | $228.27 | $228.92 | $223.76 | $227.60 | 958.03K |
| Sep 24, 2026 | $226.80 | $228.72 | $224.305 | $226.36 | 1.03M |
| Sep 23, 2026 | $226.94 | $229.19 | $222.355 | $227.53 | 1.49M |
| Sep 22, 2026 | $219.22 | $226.43 | $219.00 | $225.36 | 1.11M |
| Sep 21, 2026 | $216.14 | $221.92 | $214.59 | $219.07 | 928.56K |
| Sep 18, 2026 | $219.05 | $220.17 | $215.26 | $215.50 | 2.64M |
| Sep 17, 2026 | $217.68 | $219.41 | $215.33 | $219.05 | 836.71K |
| Sep 16, 2026 | $216.41 | $218.29 | $214.81 | $216.01 | 606.49K |
| Sep 15, 2026 | $216.71 | $216.71 | $213.54 | $216.17 | 756.05K |
| Sep 14, 2026 | $221.00 | $222.245 | $215.56 | $217.36 | 629.93K |
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