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207.94
0.80%
1.66
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 August 07, 2026, is $207.94.
- 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 $207.94 now.
- The 52-week high stock price for BIIB is $219.72, representing a 5.67% increase from the current share price, occurred on June 29, 2026.
- The 52-week low stock price for BIIB is $124.56, indicating a -40.10% decrease from the current share price, occurred on August 01, 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 |
|---|---|---|---|---|---|
| Aug 07, 2026 | $208.3 | $204.2 | $4.15 | 851,904.0 | +0.80% |
| Aug 06, 2026 | $209.0 | $202.0 | $7.00 | 887,697.0 | -0.17% |
| Aug 05, 2026 | $212.2 | $205.8 | $6.38 | 873,689.0 | -0.87% |
| Aug 04, 2026 | $209.7 | $199.9 | $9.81 | 1,205,315.0 | +3.29% |
| Aug 03, 2026 | $203.8 | $199.6 | $4.27 | 940,857.0 | -0.52% |
| Jul 31, 2026 | $208.1 | $202.6 | $5.48 | 795,041.0 | -2.43% |
| Jul 30, 2026 | $210.2 | $203.1 | $7.09 | 892,716.0 | -0.62% |
| Jul 29, 2026 | $218.6 | $206.3 | $12.33 | 2,399,767.0 | +1.76% |
| Jul 28, 2026 | $207.7 | $199.4 | $8.32 | 1,831,807.0 | +2.73% |
| Jul 27, 2026 | $204.5 | $199.8 | $4.64 | 762,497.0 | -1.01% |
| Jul 24, 2026 | $203.3 | $200.0 | $3.27 | 596,256.0 | +0.78% |
| Jul 23, 2026 | $203.6 | $196.9 | $6.69 | 1,031,053.0 | +1.46% |
| Jul 22, 2026 | $204.3 | $197.4 | $6.91 | 840,962.0 | -2.67% |
| Jul 21, 2026 | $203.7 | $198.6 | $5.11 | 652,837.0 | +1.61% |
| Jul 20, 2026 | $205.7 | $199.6 | $6.03 | 962,700.0 | -2.93% |
| Jul 17, 2026 | $215.8 | $203.4 | $12.39 | 1,150,216.0 | -1.40% |
| Jul 16, 2026 | $209.6 | $194.7 | $14.97 | 1,864,842.0 | +5.92% |
| Jul 15, 2026 | $198.6 | $186.0 | $12.56 | 2,067,252.0 | +2.76% |
| Jul 14, 2026 | $202.0 | $189.4 | $12.60 | 3,821,338.0 | -8.17% |
| Jul 13, 2026 | $210.9 | $197.7 | $13.13 | 2,257,648.0 | +4.96% |
| Jul 10, 2026 | $200.0 | $194.4 | $5.61 | 1,111,563.0 | +0.12% |
| Jul 09, 2026 | $201.0 | $196.0 | $5.01 | 1,635,812.0 | -0.72% |
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 |
|---|---|---|---|---|---|
| Aug, 2026 | $212.2 | $199.6 | $12.60 | 5,611,366.0 | +2.49% |
| Jul, 2026 | $219.0 | $186.0 | $32.99 | 31,194,752.0 | -6.10% |
| Jun, 2026 | $219.7 | $184.9 | $34.82 | 23,888,640.0 | +10.23% |
| May, 2026 | $206.0 | $185.4 | $20.53 | 21,900,244.0 | +3.55% |
| Apr, 2026 | $196.0 | $168.6 | $27.34 | 28,429,736.0 | +3.25% |
| Mar, 2026 | $193.0 | $171.4 | $21.62 | 21,843,705.0 | -4.43% |
| Feb, 2026 | $202.4 | $176.2 | $26.22 | 27,527,998.0 | +6.63% |
| Jan, 2026 | $190.2 | $160.4 | $29.84 | 31,061,717.0 | +2.22% |
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% |
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