The highest closing price for Biogen (BIIB) all-time was $475.98, on March 20, 2015. The latest price is $138.60.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
August 2025 | $128.96 | $138.83 | $124.56 | $138.60 | 17,135,280 |
July 2025 | $124.94 | $137.84 | $121.05 | $128.00 | 29,438,200 |
June 2025 | $129.59 | $136.84 | $123.21 | $125.59 | 26,463,600 |
May 2025 | $120.37 | $132.94 | $115.25 | $129.79 | 37,229,900 |
April 2025 | $136.80 | $137.32 | $110.04 | $121.08 | 37,657,900 |
March 2025 | $140.41 | $157.09 | $134.71 | $136.84 | 37,147,400 |
February 2025 | $142.81 | $147.00 | $128.51 | $140.50 | 31,487,500 |
January 2025 | $153.84 | $156.37 | $139.71 | $143.93 | 25,766,600 |
December 2024 | $160.16 | $165.29 | $145.07 | $152.92 | 31,960,300 |
November 2024 | $173.65 | $179.20 | $153.62 | $160.63 | 34,751,100 |
October 2024 | $194.61 | $195.00 | $173.88 | $174.00 | 30,796,000 |
September 2024 | $204.22 | $206.70 | $188.78 | $193.84 | 21,981,500 |
August 2024 | $215.80 | $219.44 | $196.90 | $204.76 | 19,658,300 |
July 2024 | $231.41 | $238.00 | $209.75 | $213.20 | 22,031,600 |
June 2024 | $225.30 | $237.54 | $220.02 | $231.82 | 21,017,000 |
May 2024 | $215.56 | $236.90 | $210.33 | $224.94 | 22,549,700 |
April 2024 | $215.69 | $218.86 | $189.44 | $214.82 | 28,895,100 |
March 2024 | $217.46 | $230.22 | $211.02 | $215.63 | 26,465,900 |
February 2024 | $245.40 | $249.33 | $215.68 | $216.99 | 25,350,200 |
January 2024 | $257.56 | $268.30 | $240.83 | $246.66 | 20,225,600 |
December 2023 | $233.95 | $263.98 | $229.16 | $258.77 | 23,771,300 |
November 2023 | $238.56 | $251.51 | $220.86 | $234.08 | 23,323,200 |
October 2023 | $255.85 | $269.43 | $233.76 | $237.54 | 21,996,900 |
September 2023 | $269.01 | $270.50 | $251.85 | $257.01 | 16,165,500 |
August 2023 | $269.36 | $278.95 | $259.76 | $267.36 | 18,353,400 |
Daily pricing data for Biogen dates back to 9/17/1991, and may be incomplete.
