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144.69
1.28%
-1.88
After Hours:
145.01
0.32
+0.22%
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 October 13, 2025, is $144.69.
- 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 $144.69 now.
- The 52-week high stock price for BIIB is $194.13, representing a 34.17% increase from the current share price, occurred on October 15, 2024.
- The 52-week low stock price for BIIB is $110.03, indicating a -23.95% decrease from the current share price, occurred on April 09, 2025.
- The closing price of Biogen Inc (BIIB) stock in the beginning of 2024 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 |
|---|---|---|---|---|---|
| Oct 13, 2025 | $147.6 | $144.7 | $2.91 | 1,124,188.0 | -1.28% |
| Oct 10, 2025 | $150.2 | $144.7 | $5.46 | 1,722,819.0 | -2.03% |
| Oct 09, 2025 | $152.2 | $148.2 | $3.98 | 1,684,983.0 | -0.90% |
| Oct 08, 2025 | $152.4 | $149.6 | $2.72 | 1,331,178.0 | -0.81% |
| Oct 07, 2025 | $154.6 | $152.0 | $2.60 | 1,372,398.0 | -1.19% |
| Oct 06, 2025 | $159.7 | $153.1 | $6.60 | 1,816,190.0 | -3.65% |
| Oct 03, 2025 | $160.2 | $156.0 | $4.23 | 2,878,058.0 | +2.98% |
| Oct 02, 2025 | $157.8 | $152.2 | $5.63 | 2,881,797.0 | +0.67% |
| Oct 01, 2025 | $154.4 | $140.7 | $13.74 | 4,041,605.0 | +10.09% |
| Sep 30, 2025 | $141.0 | $136.9 | $4.10 | 1,368,363.0 | +1.13% |
| Sep 29, 2025 | $138.8 | $135.4 | $3.41 | 1,276,038.0 | +0.84% |
| Sep 26, 2025 | $138.0 | $135.8 | $2.19 | 1,678,729.0 | +1.25% |
| Sep 25, 2025 | $140.7 | $135.4 | $5.27 | 1,259,118.0 | -1.45% |
| Sep 24, 2025 | $139.3 | $136.2 | $3.08 | 1,301,257.0 | -1.18% |
| Sep 23, 2025 | $141.4 | $138.7 | $2.66 | 1,099,827.0 | -0.96% |
| Sep 22, 2025 | $142.6 | $140.0 | $2.62 | 1,445,758.0 | -1.29% |
| Sep 19, 2025 | $144.4 | $141.5 | $2.94 | 3,748,460.0 | -0.91% |
| Sep 18, 2025 | $146.4 | $143.4 | $3.08 | 1,514,268.0 | -0.73% |
| Sep 17, 2025 | $146.7 | $143.4 | $3.29 | 1,501,175.0 | +0.83% |
| Sep 16, 2025 | $147.2 | $143.0 | $4.21 | 1,935,627.0 | +0.25% |
| Sep 15, 2025 | $146.0 | $141.1 | $4.87 | 1,432,204.0 | -1.06% |
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 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct, 2025 | $160.2 | $140.7 | $19.50 | 19,977,404.0 | +3.29% |
| 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% |
Biogen Inc Stock (BIIB) Price History 2023
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2023 | $264.0 | $229.2 | $34.82 | 23,559,204.0 | +10.55% |
| Nov, 2023 | $251.5 | $220.9 | $30.65 | 23,270,273.0 | -1.46% |
| Oct, 2023 | $269.4 | $233.8 | $35.67 | 21,943,610.0 | -7.58% |
| Sep, 2023 | $270.5 | $251.8 | $18.65 | 16,108,989.0 | -3.87% |
| Aug, 2023 | $278.9 | $259.8 | $19.19 | 18,328,582.0 | -1.05% |
| Jul, 2023 | $287.6 | $256.1 | $31.47 | 28,764,834.0 | -5.15% |
| Jun, 2023 | $319.8 | $277.7 | $42.05 | 23,414,263.0 | -3.90% |
| May, 2023 | $319.7 | $291.6 | $28.10 | 20,913,534.0 | -2.57% |
| Apr, 2023 | $305.5 | $273.4 | $32.11 | 17,355,043.0 | +9.42% |
| Mar, 2023 | $279.0 | $254.8 | $24.20 | 19,956,621.0 | +3.03% |
| Feb, 2023 | $293.5 | $266.8 | $26.70 | 17,527,706.0 | -7.23% |
| Jan, 2023 | $295.9 | $265.3 | $30.58 | 24,111,421.0 | +5.05% |
1.48%
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