Biogen Inc. (BIIB)
NASDAQ: BIIB · Real-Time Price · USD
188.83
-3.40 (-1.77%)
At close: Jun 2, 2026, 4:00 PM EDT
189.00
+0.17 (0.09%)
After-hours: Jun 2, 2026, 7:34 PM EDT
Biogen Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 2, 2026 | 190.09 | 190.58 | 184.90 | 188.83 | 188.83 | -1.77% | 964,379 |
| Jun 1, 2026 | 194.50 | 195.28 | 191.67 | 192.23 | 192.23 | -1.92% | 841,490 |
| May 29, 2026 | 195.55 | 198.46 | 195.11 | 196.00 | 196.00 | -0.20% | 1,861,130 |
| May 28, 2026 | 196.97 | 198.00 | 194.50 | 196.39 | 196.39 | -0.29% | 555,945 |
| May 27, 2026 | 194.11 | 199.80 | 194.11 | 196.97 | 196.97 | 2.01% | 892,738 |
| May 26, 2026 | 194.30 | 195.50 | 192.27 | 193.08 | 193.08 | -0.35% | 930,096 |
| May 22, 2026 | 190.53 | 194.75 | 190.01 | 193.76 | 193.76 | 2.26% | 892,525 |
| May 21, 2026 | 187.40 | 190.27 | 185.85 | 189.47 | 189.47 | 0.89% | 1,472,921 |
| May 20, 2026 | 191.41 | 193.38 | 186.37 | 187.80 | 187.80 | -1.45% | 919,569 |
| May 19, 2026 | 191.72 | 193.03 | 188.64 | 190.56 | 190.56 | -0.70% | 1,053,550 |
| May 18, 2026 | 191.25 | 193.37 | 189.19 | 191.91 | 191.91 | -0.54% | 1,051,144 |
| May 15, 2026 | 191.83 | 194.91 | 190.66 | 192.95 | 192.95 | 0.83% | 1,252,270 |
| May 14, 2026 | 200.25 | 205.00 | 189.49 | 191.37 | 191.37 | -6.43% | 2,812,933 |
| May 13, 2026 | 199.33 | 205.97 | 198.86 | 204.53 | 204.53 | 2.59% | 1,272,026 |
| May 12, 2026 | 198.47 | 202.40 | 196.47 | 199.36 | 199.36 | 0.71% | 1,145,749 |
| May 11, 2026 | 194.76 | 200.31 | 194.75 | 197.95 | 197.95 | 2.33% | 1,772,229 |
| May 8, 2026 | 189.68 | 195.20 | 189.50 | 193.45 | 193.45 | 1.08% | 931,578 |
| May 7, 2026 | 190.34 | 192.10 | 188.86 | 191.38 | 191.38 | 0.37% | 735,692 |
| May 6, 2026 | 189.13 | 191.17 | 188.30 | 190.68 | 190.68 | 0.82% | 741,346 |
| May 5, 2026 | 187.38 | 189.69 | 186.00 | 189.13 | 189.13 | 1.03% | 586,074 |
| May 4, 2026 | 186.28 | 187.51 | 185.44 | 187.21 | 187.21 | 0.08% | 626,559 |
| May 1, 2026 | 189.28 | 190.57 | 186.14 | 187.06 | 187.06 | -1.17% | 696,812 |
| Apr 30, 2026 | 194.02 | 195.98 | 187.16 | 189.28 | 189.28 | -2.62% | 1,550,523 |
| Apr 29, 2026 | 183.12 | 195.89 | 180.18 | 194.38 | 194.38 | 6.00% | 2,453,836 |
| Apr 28, 2026 | 182.45 | 184.41 | 181.89 | 183.38 | 183.38 | 1.50% | 1,235,813 |
| Apr 27, 2026 | 183.16 | 186.15 | 179.15 | 180.67 | 180.67 | -2.01% | 1,101,370 |
| Apr 24, 2026 | 186.65 | 186.65 | 183.17 | 184.38 | 184.38 | -1.86% | 723,366 |
| Apr 23, 2026 | 189.46 | 190.32 | 187.01 | 187.88 | 187.88 | -1.15% | 816,281 |
| Apr 22, 2026 | 189.31 | 192.75 | 188.67 | 190.07 | 190.07 | 2.22% | 1,328,297 |
| Apr 21, 2026 | 184.52 | 187.74 | 181.75 | 185.95 | 185.95 | 1.42% | 1,063,303 |
| Apr 20, 2026 | 179.54 | 184.26 | 178.72 | 183.34 | 183.34 | 3.38% | 1,484,371 |
| Apr 17, 2026 | 176.29 | 178.41 | 175.69 | 177.35 | 177.35 | 0.76% | 1,239,458 |
| Apr 16, 2026 | 178.82 | 179.99 | 174.85 | 176.02 | 176.02 | -2.50% | 953,722 |
| Apr 15, 2026 | 179.36 | 180.87 | 177.70 | 180.54 | 180.54 | 0.88% | 1,168,801 |
| Apr 14, 2026 | 177.71 | 181.77 | 177.45 | 178.96 | 178.96 | 1.47% | 1,550,580 |
| Apr 13, 2026 | 172.62 | 176.79 | 171.22 | 176.37 | 176.37 | 1.96% | 1,414,958 |
| Apr 10, 2026 | 177.97 | 177.97 | 172.32 | 172.97 | 172.97 | -2.34% | 1,501,979 |
| Apr 9, 2026 | 177.81 | 180.06 | 174.97 | 177.11 | 177.11 | -1.55% | 1,266,491 |
| Apr 8, 2026 | 178.24 | 180.24 | 176.35 | 179.90 | 179.90 | 2.44% | 1,289,686 |
| Apr 7, 2026 | 172.20 | 175.64 | 170.43 | 175.61 | 175.61 | 1.90% | 1,515,806 |
| Apr 6, 2026 | 177.00 | 177.39 | 168.64 | 172.34 | 172.34 | -2.82% | 2,149,104 |
| Apr 2, 2026 | 181.46 | 182.23 | 176.39 | 177.34 | 177.34 | -3.50% | 1,339,297 |
| Apr 1, 2026 | 183.16 | 186.31 | 181.71 | 183.78 | 183.78 | 0.25% | 1,390,216 |
| Mar 31, 2026 | 179.46 | 184.68 | 171.37 | 183.33 | 183.33 | -2.26% | 2,719,977 |
| Mar 30, 2026 | 186.16 | 190.09 | 185.51 | 187.57 | 187.57 | 2.03% | 799,935 |
| Mar 27, 2026 | 191.06 | 191.06 | 183.01 | 183.84 | 183.84 | -3.78% | 935,104 |
| Mar 26, 2026 | 189.00 | 192.28 | 188.36 | 191.06 | 191.06 | 0.99% | 879,198 |
| Mar 25, 2026 | 184.91 | 189.38 | 184.91 | 189.18 | 189.18 | 2.85% | 775,195 |
| Mar 24, 2026 | 182.63 | 184.84 | 180.33 | 183.94 | 183.94 | 0.16% | 644,275 |
| Mar 23, 2026 | 183.48 | 185.00 | 183.00 | 183.64 | 183.64 | 1.20% | 1,011,752 |