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164.42
2.46%
-4.15
After Hours:
165.45
1.03
+0.63%
Biogen Inc Stock (BIIB) Price History
The historical daily chart and data for Biogen Inc stock (BIIB), show that the latest closing stock price as of January 16, 2026, is $164.42.
- Biogen Inc all-time high stock price is $480.18, occurred on March 20, 2015.
- The lowest Biogen Inc stock price recorded was $0.00 on November 06, 2020. Since then, Biogen Inc's stock price has risen over to $164.42 now.
- The 52-week high stock price for BIIB is $190.20, representing a 15.68% increase from the current share price, occurred on January 09, 2026.
- The 52-week low stock price for BIIB is $110.03, indicating a -33.08% decrease from the current share price, occurred on April 09, 2025.
- The closing price of Biogen Inc (BIIB) stock in the beginning of 2025 was $244.12. The stock closed the year at $276.92, a gain of over 13.44% for the year.
The table below shows more information about BIIB historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Jan 16, 2026 | $169.3 | $163.7 | $5.60 | 1,811,164.0 | -2.46% |
| Jan 15, 2026 | $169.8 | $166.8 | $3.00 | 1,562,594.0 | -0.44% |
| Jan 14, 2026 | $178.4 | $165.6 | $12.83 | 3,635,735.0 | -5.04% |
| Jan 13, 2026 | $186.3 | $177.1 | $9.27 | 1,595,398.0 | -3.95% |
| Jan 12, 2026 | $188.0 | $182.7 | $5.27 | 1,280,209.0 | -1.06% |
| Jan 09, 2026 | $190.2 | $186.5 | $3.71 | 1,379,079.0 | +0.87% |
| Jan 08, 2026 | $187.8 | $183.5 | $4.27 | 1,639,794.0 | -0.49% |
| Jan 07, 2026 | $187.1 | $181.7 | $5.36 | 2,122,357.0 | +2.35% |
| Jan 06, 2026 | $183.0 | $174.3 | $8.67 | 2,115,045.0 | +4.57% |
| Jan 05, 2026 | $180.6 | $171.6 | $8.95 | 1,663,597.0 | -1.79% |
| Jan 02, 2026 | $178.2 | $174.3 | $3.96 | 1,095,632.0 | +1.04% |
| Dec 31, 2025 | $177.2 | $175.0 | $2.17 | 882,828.0 | -0.23% |
| Dec 30, 2025 | $177.0 | $175.7 | $1.27 | 609,739.0 | -0.24% |
| Dec 29, 2025 | $178.5 | $176.3 | $2.15 | 928,037.0 | -0.14% |
| Dec 26, 2025 | $177.2 | $175.0 | $2.19 | 687,357.0 | +0.43% |
| Dec 24, 2025 | $177.2 | $175.4 | $1.81 | 434,750.0 | +0.86% |
| Dec 23, 2025 | $175.6 | $173.1 | $2.50 | 1,275,781.0 | +0.07% |
| Dec 22, 2025 | $177.3 | $172.9 | $4.39 | 1,846,731.0 | -0.06% |
| Dec 19, 2025 | $176.4 | $170.0 | $6.42 | 14,982,517.0 | +2.88% |
Biogen Inc Stock (BIIB) Year by Year Price History
In this detailed analysis, we present a comprehensive overview of the price movements of Biogen Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of BIIB shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Biogen Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.
Biogen Inc Stock (BIIB) Price History 2026
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Jan, 2026 | $190.2 | $163.7 | $26.46 | 21,711,768.0 | -6.57% |
Biogen Inc Stock (BIIB) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2025 | $183.1 | $168.6 | $14.59 | 48,124,565.0 | -3.12% |
| Nov, 2025 | $185.2 | $148.5 | $36.66 | 38,224,910.0 | +18.03% |
| Oct, 2025 | $160.2 | $138.0 | $22.20 | 40,411,606.0 | +10.13% |
| Sep, 2025 | $150.3 | $133.5 | $16.75 | 35,274,516.0 | +5.94% |
| Aug, 2025 | $142.3 | $124.6 | $17.76 | 30,523,212.0 | +3.30% |
| Jul, 2025 | $137.8 | $121.0 | $16.79 | 28,738,569.0 | +1.92% |
| Jun, 2025 | $136.8 | $123.2 | $13.63 | 26,406,033.0 | -3.24% |
| May, 2025 | $132.9 | $115.2 | $17.69 | 36,993,413.0 | +7.19% |
| Apr, 2025 | $137.3 | $110.0 | $27.28 | 36,534,789.0 | -11.52% |
| Mar, 2025 | $157.1 | $134.7 | $22.38 | 33,198,418.0 | -2.60% |
| Feb, 2025 | $147.0 | $128.5 | $18.49 | 30,242,196.0 | -2.38% |
| Jan, 2025 | $156.4 | $139.7 | $16.66 | 24,484,755.0 | -5.88% |
Biogen Inc Stock (BIIB) Price History 2024
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2024 | $165.3 | $145.1 | $20.21 | 29,669,072.0 | -6.50% |
| Nov, 2024 | $179.2 | $153.6 | $25.58 | 33,387,733.0 | -7.68% |
| Oct, 2024 | $195.0 | $173.9 | $21.12 | 27,655,891.0 | -10.24% |
| Sep, 2024 | $206.7 | $188.8 | $17.92 | 21,324,270.0 | -5.33% |
| Aug, 2024 | $219.4 | $196.9 | $22.54 | 19,019,790.0 | -3.96% |
| Jul, 2024 | $238.0 | $209.8 | $28.25 | 21,425,395.0 | -8.03% |
| Jun, 2024 | $237.5 | $220.0 | $17.52 | 20,317,487.0 | +3.06% |
| May, 2024 | $236.9 | $210.3 | $26.57 | 21,783,068.0 | +4.71% |
| Apr, 2024 | $218.9 | $189.4 | $29.42 | 28,374,556.0 | -0.38% |
| Mar, 2024 | $230.2 | $211.0 | $19.21 | 26,236,771.0 | -0.63% |
| Feb, 2024 | $249.3 | $215.7 | $33.65 | 25,206,719.0 | -12.03% |
| Jan, 2024 | $268.3 | $240.8 | $27.47 | 20,166,869.0 | -4.68% |
1.85%
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