The highest closing price for Biogen (BIIB) last month was $135.33, on July 10. It was up 2.4% for the month. The latest price is $138.60.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
July 31 2025 | $133.00 | $135.43 | $127.24 | $128.00 | 3,239,700 |
July 30 2025 | $128.56 | $129.78 | $125.97 | $126.64 | 1,892,100 |
July 29 2025 | $128.54 | $129.26 | $127.60 | $127.90 | 1,108,800 |
July 28 2025 | $131.35 | $131.85 | $128.43 | $129.28 | 1,045,500 |
July 25 2025 | $133.05 | $133.05 | $130.13 | $131.52 | 977,000 |
July 24 2025 | $130.78 | $132.65 | $130.00 | $132.59 | 1,280,500 |
July 23 2025 | $129.44 | $131.25 | $128.36 | $130.98 | 1,127,200 |
July 22 2025 | $123.38 | $127.94 | $123.38 | $127.85 | 1,319,100 |
July 21 2025 | $124.98 | $125.42 | $121.05 | $122.68 | 1,403,500 |
July 18 2025 | $129.37 | $129.58 | $124.68 | $124.99 | 1,524,800 |
July 17 2025 | $128.18 | $129.21 | $127.31 | $128.69 | 1,151,200 |
July 16 2025 | $128.50 | $129.51 | $127.42 | $128.46 | 1,234,700 |
July 15 2025 | $132.96 | $133.36 | $127.47 | $127.50 | 1,317,000 |
July 14 2025 | $133.56 | $134.21 | $132.40 | $133.11 | 694,400 |
July 11 2025 | $133.49 | $134.59 | $132.37 | $134.21 | 1,137,500 |
July 10 2025 | $133.45 | $137.19 | $132.77 | $135.33 | 992,000 |
July 09 2025 | $134.56 | $137.84 | $131.67 | $133.02 | 1,528,800 |
July 08 2025 | $130.32 | $135.58 | $130.32 | $134.46 | 1,350,600 |
July 07 2025 | $132.10 | $133.20 | $129.08 | $130.13 | 1,086,900 |
July 03 2025 | $133.49 | $134.42 | $132.21 | $132.87 | 633,300 |
July 02 2025 | $130.00 | $134.63 | $129.85 | $133.19 | 1,474,200 |
July 01 2025 | $124.94 | $134.75 | $124.94 | $130.07 | 1,919,400 |
Daily pricing data for Biogen dates back to 9/17/1991, and may be incomplete.
