Biogen Inc. BIIB
253.40 USD +2.92 (+1.17%)
Regular-session close
253.40 0.00 0.00%
After hours · Nov 13, 4:15 PM ET
249.52 Day range 255.04
164.42 52-week range 254.87
- YTD
- +43.99%
- 1 year
- +53.83%
BIIB price history
| Date | Open | High | Low | Close | Change | Change % | Volume |
|---|---|---|---|---|---|---|---|
| Nov 13, 2026 | 250.58 | 255.00 | 249.52 | 253.40 | +2.92 | +1.17% | 1,027,278 |
| Nov 12, 2026 | 255.00 | 255.05 | 250.43 | 250.48 | -2.92 | -1.15% | 790,634 |
| Nov 11, 2026 | 249.78 | 255.19 | 249.44 | 253.40 | +0.15 | +0.06% | 1,115,400 |
| Nov 10, 2026 | 253.56 | 254.70 | 250.44 | 253.25 | -1.62 | -0.64% | 735,000 |
| Nov 9, 2026 | 250.36 | 261.00 | 246.44 | 254.87 | +6.52 | +2.63% | 1,143,200 |
| Nov 6, 2026 | 241.28 | 250.03 | 240.00 | 248.35 | +4.42 | +1.81% | 1,002,100 |
| Nov 5, 2026 | 255.25 | 255.70 | 243.65 | 243.93 | -10.53 | -4.14% | 1,220,700 |
| Nov 4, 2026 | 253.54 | 255.35 | 246.49 | 254.46 | +5.53 | +2.22% | 1,347,800 |
| Nov 3, 2026 | 247.32 | 253.14 | 246.25 | 248.93 | -0.08 | -0.03% | 1,057,600 |
| Nov 2, 2026 | 253.81 | 255.53 | 247.91 | 249.01 | -4.61 | -1.82% | 1,172,100 |
| Oct 30, 2026 | 255.39 | 258.73 | 251.19 | 253.62 | +3.97 | +1.59% | 1,303,300 |
| Oct 29, 2026 | 250.15 | 255.55 | 246.48 | 249.65 | +5.60 | +2.29% | 1,157,700 |
| Oct 28, 2026 | 244.93 | 258.78 | 243.03 | 244.05 | -8.68 | -3.43% | 2,492,900 |
| Oct 27, 2026 | 250.35 | 253.98 | 248.46 | 252.73 | +0.47 | +0.19% | 1,393,300 |
| Oct 26, 2026 | 251.02 | 254.11 | 249.61 | 252.26 | +1.57 | +0.63% | 958,800 |
| Oct 23, 2026 | 251.68 | 252.44 | 246.15 | 250.69 | -3.15 | -1.24% | 1,157,400 |
| Oct 22, 2026 | 240.61 | 254.41 | 240.02 | 253.84 | +12.86 | +5.34% | 2,237,800 |
| Oct 21, 2026 | 242.02 | 243.32 | 240.13 | 240.98 | -2.12 | -0.87% | 812,900 |
| Oct 20, 2026 | 236.79 | 244.65 | 235.96 | 243.10 | +9.62 | +4.12% | 1,492,200 |
| Oct 19, 2026 | 231.81 | 236.00 | 231.04 | 233.48 | +0.83 | +0.36% | 949,700 |
| Oct 16, 2026 | 235.75 | 236.87 | 232.36 | 232.65 | -2.70 | -1.15% | 1,462,600 |
| Oct 15, 2026 | 236.46 | 240.99 | 235.22 | 235.35 | +2.52 | +1.08% | 1,572,400 |
| Oct 14, 2026 | 228.99 | 234.20 | 228.00 | 232.83 | +3.93 | +1.72% | 1,947,100 |
| Oct 13, 2026 | 230.34 | 231.04 | 226.71 | 228.90 | -0.51 | -0.22% | 1,049,100 |
| Oct 12, 2026 | 233.98 | 238.24 | 229.00 | 229.41 | +3.70 | +1.64% | 1,461,700 |
| Oct 9, 2026 | 220.62 | 227.20 | 219.23 | 225.71 | +7.28 | +3.33% | 815,000 |
| Oct 8, 2026 | 220.15 | 223.09 | 215.73 | 218.43 | -3.72 | -1.67% | 1,339,000 |
| Oct 7, 2026 | 222.93 | 228.00 | 221.40 | 222.15 | -0.74 | -0.33% | 1,298,100 |
| Oct 6, 2026 | 224.53 | 225.97 | 218.00 | 222.89 | -0.70 | -0.31% | 1,008,100 |
| Oct 5, 2026 | 219.90 | 223.85 | 218.22 | 223.59 | +3.71 | +1.69% | 951,300 |
| Oct 2, 2026 | 222.98 | 224.08 | 219.81 | 219.88 | -2.94 | -1.32% | 779,900 |
| Oct 1, 2026 | 225.50 | 228.31 | 222.50 | 222.82 | -3.06 | -1.35% | 1,755,300 |
| Sep 30, 2026 | 227.23 | 229.36 | 225.51 | 225.88 | -1.19 | -0.52% | 1,553,300 |
| Sep 29, 2026 | 227.02 | 229.41 | 224.45 | 227.07 | -1.62 | -0.71% | 1,161,200 |
| Sep 28, 2026 | 225.87 | 230.49 | 225.51 | 228.69 | +1.09 | +0.48% | 1,332,300 |
| Sep 25, 2026 | 228.27 | 228.92 | 223.76 | 227.60 | +1.24 | +0.55% | 958,000 |
| Sep 24, 2026 | 226.80 | 228.72 | 224.31 | 226.36 | -1.17 | -0.51% | 1,034,600 |
| Sep 23, 2026 | 226.94 | 229.19 | 222.36 | 227.53 | +2.17 | +0.96% | 1,494,300 |
| Sep 22, 2026 | 219.22 | 226.43 | 219.00 | 225.36 | +6.29 | +2.87% | 1,111,700 |
| Sep 21, 2026 | 216.14 | 221.92 | 214.59 | 219.07 | +3.57 | +1.66% | 928,500 |
| Sep 18, 2026 | 219.05 | 220.17 | 215.26 | 215.50 | -3.55 | -1.62% | 2,634,700 |
| Sep 17, 2026 | 217.68 | 219.41 | 215.33 | 219.05 | +3.04 | +1.41% | 836,700 |
| Sep 16, 2026 | 216.41 | 218.29 | 214.81 | 216.01 | -0.16 | -0.07% | 606,500 |
| Sep 15, 2026 | 216.71 | 216.71 | 213.54 | 216.17 | -1.19 | -0.55% | 756,000 |
| Sep 14, 2026 | 221.00 | 222.25 | 215.56 | 217.36 | +0.21 | +0.10% | 629,900 |
| Sep 11, 2026 | 216.75 | 219.76 | 214.71 | 217.15 | +1.72 | +0.80% | 1,075,600 |
| Sep 10, 2026 | 209.92 | 216.70 | 208.93 | 215.43 | +4.70 | +2.23% | 936,600 |
| Sep 9, 2026 | 210.50 | 213.48 | 209.00 | 210.73 | -1.77 | -0.83% | 694,600 |
| Sep 8, 2026 | 215.45 | 217.28 | 210.54 | 212.50 | -8.33 | -3.77% | 617,600 |
| Sep 4, 2026 | 221.15 | 223.82 | 219.82 | 220.83 | -3.68 | -1.64% | 465,100 |
| Sep 3, 2026 | 225.44 | 225.80 | 221.23 | 224.51 | +1.84 | +0.83% | 550,700 |
| Sep 2, 2026 | 218.20 | 225.59 | 216.97 | 222.67 | +6.63 | +3.07% | 1,268,200 |
| Sep 1, 2026 | 218.11 | 219.30 | 213.60 | 216.04 | -0.61 | -0.28% | 785,500 |
| Aug 31, 2026 | 216.47 | 218.89 | 213.58 | 216.65 | -1.85 | -0.85% | 831,000 |
| Aug 28, 2026 | 221.17 | 222.00 | 216.78 | 218.50 | -3.00 | -1.35% | 517,400 |
| Aug 27, 2026 | 219.39 | 222.11 | 217.53 | 221.50 | +0.43 | +0.19% | 497,300 |
| Aug 26, 2026 | 219.34 | 222.00 | 218.69 | 221.07 | +0.30 | +0.14% | 647,200 |
| Aug 25, 2026 | 218.93 | 222.85 | 218.00 | 220.77 | +2.65 | +1.21% | 495,400 |
| Aug 24, 2026 | 216.40 | 218.50 | 213.96 | 218.12 | +1.34 | +0.62% | 649,800 |
| Aug 21, 2026 | 217.76 | 219.12 | 215.00 | 216.78 | +2.43 | +1.13% | 722,300 |
| Aug 20, 2026 | 217.98 | 221.29 | 214.16 | 214.35 | -7.21 | -3.25% | 808,600 |
| Aug 19, 2026 | 215.33 | 222.15 | 215.08 | 221.56 | +9.01 | +4.24% | 886,800 |
| Aug 18, 2026 | 211.00 | 214.07 | 210.01 | 212.55 | +3.40 | +1.63% | 694,000 |
| Aug 17, 2026 | 208.36 | 210.49 | 207.62 | 209.15 | -0.68 | -0.32% | 617,100 |
| Aug 14, 2026 | 210.01 | 210.79 | 208.22 | 209.83 | -0.82 | -0.39% | 554,400 |
65 days, newest first. Daily bars as drawn on the BIIB chart; change is against the previous day's close. Open, high, low and volume are in the download and on a wider screen.