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BIIB — Biogen Inc. Common Stock
NasdaqBiogen Inc. Common Stock
$219.88
-2.94(-1.32%)
- O
- 222.98
- H
- 224.08
- L
- 219.81
- V
- 765.7K
⏱️ End-of-day dataAs of Oct 2, 2026
Latest Close$219.88
Period Return+84.94%
Period High$230.49
Period Low$115.25
Avg Daily Volume1.44M
Total Trading Days365
BIIB — Historical OHLCV Price & Volume Table
Apr 22, 2025 — Oct 2, 2026| Date▼ | Open⇅ | High⇅ | Low⇅ | Close⇅ | Change ($)⇅ | Change (%)⇅ | Volume⇅ | VWAP⇅ | Day Range (L - H) |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | $222.98 | $224.08 | $219.81 | $219.88 | $-2.94 | -1.32% | 765,698 | $220.76 | $219.81 $224.08 |
| Oct 1, 2026 | $225.50 | $228.31 | $222.50 | $222.82 | $-3.06 | -1.35% | 1,795,494 | $224.60 | $222.50 $228.31 |
| Sep 30, 2026 | $227.23 | $229.36 | $225.51 | $225.88 | $-1.19 | -0.52% | 1,553,331 | $226.93 | $225.51 $229.36 |
| Sep 29, 2026 | $227.02 | $229.41 | $224.45 | $227.07 | $-1.62 | -0.71% | 1,161,174 | $226.80 | $224.45 $229.41 |
| Sep 28, 2026 | $225.87 | $230.49 | $225.51 | $228.69 | +$1.09 | +0.48% | 1,332,340 | $228.62 | $225.51 $230.49 |
| Sep 25, 2026 | $228.27 | $228.92 | $223.76 | $227.60 | +$1.24 | +0.55% | 958,031 | $226.98 | $223.76 $228.92 |
| Sep 24, 2026 | $226.80 | $228.72 | $224.31 | $226.36 | $-1.17 | -0.51% | 1,034,742 | $226.71 | $224.31 $228.72 |
| Sep 23, 2026 | $226.94 | $229.19 | $222.36 | $227.53 | +$2.17 | +0.96% | 1,494,492 | $226.39 | $222.36 $229.19 |
| Sep 22, 2026 | $219.22 | $226.43 | $219.00 | $225.36 | +$6.29 | +2.87% | 1,112,343 | $224.85 | $219.00 $226.43 |
| Sep 21, 2026 | $216.14 | $221.92 | $214.59 | $219.07 | +$3.57 | +1.66% | 928,562 | $219.77 | $214.59 $221.92 |
| Sep 18, 2026 | $219.05 | $220.17 | $215.26 | $215.50 | $-3.55 | -1.62% | 2,636,087 | $216.08 | $215.26 $220.17 |
| Sep 17, 2026 | $217.68 | $219.41 | $215.33 | $219.05 | +$3.04 | +1.41% | 836,708 | $218.16 | $215.33 $219.41 |
| Sep 16, 2026 | $216.41 | $218.29 | $214.81 | $216.01 | $-0.16 | -0.07% | 606,494 | $216.27 | $214.81 $218.29 |
| Sep 15, 2026 | $216.71 | $216.71 | $213.54 | $216.17 | $-1.19 | -0.55% | 755,660 | $215.71 | $213.54 $216.71 |
| Sep 14, 2026 | $221.00 | $222.25 | $215.56 | $217.36 | +$0.21 | +0.10% | 629,892 | $217.55 | $215.56 $222.25 |
| Sep 11, 2026 | $216.75 | $219.76 | $214.71 | $217.15 | +$1.72 | +0.80% | 1,075,461 | $217.55 | $214.71 $219.76 |
| Sep 10, 2026 | $209.92 | $216.70 | $208.93 | $215.43 | +$4.70 | +2.23% | 936,643 | $215.16 | $208.93 $216.70 |
| Sep 9, 2026 | $210.50 | $213.48 | $209.00 | $210.73 | $-1.77 | -0.83% | 694,669 | $211.31 | $209.00 $213.48 |
| Sep 8, 2026 | $215.45 | $217.28 | $210.54 | $212.50 | $-8.33 | -3.77% | 617,830 | $213.42 | $210.54 $217.28 |
| Sep 4, 2026 | $221.15 | $223.82 | $219.82 | $220.83 | $-3.68 | -1.64% | 465,108 | $220.89 | $219.82 $223.82 |
| Sep 3, 2026 | $225.44 | $225.80 | $221.23 | $224.51 | +$1.84 | +0.83% | 550,747 | $224.24 | $221.23 $225.80 |
| Sep 2, 2026 | $218.20 | $225.59 | $216.97 | $222.67 | +$6.63 | +3.07% | 1,267,197 | $222.37 | $216.97 $225.59 |
| Sep 1, 2026 | $218.11 | $219.30 | $213.60 | $216.04 | $-0.61 | -0.28% | 785,497 | $215.91 | $213.60 $219.30 |
| Aug 31, 2026 | $216.47 | $218.89 | $213.58 | $216.65 | $-1.85 | -0.85% | 832,183 | $217.10 | $213.58 $218.89 |
| Aug 28, 2026 | $221.17 | $222.00 | $216.78 | $218.50 | $-3.00 | -1.35% | 517,485 | $218.20 | $216.78 $222.00 |
| Aug 27, 2026 | $219.39 | $222.11 | $217.53 | $221.50 | +$0.43 | +0.19% | 497,524 | $220.99 | $217.53 $222.11 |
| Aug 26, 2026 | $219.34 | $222.00 | $218.69 | $221.07 | +$0.30 | +0.14% | 647,334 | $220.75 | $218.69 $222.00 |
| Aug 25, 2026 | $218.93 | $222.85 | $218.00 | $220.77 | +$2.65 | +1.21% | 495,436 | $220.93 | $218.00 $222.85 |
| Aug 24, 2026 | $216.40 | $218.50 | $213.96 | $218.12 | +$1.34 | +0.62% | 649,828 | $216.79 | $213.96 $218.50 |
| Aug 21, 2026 | $217.76 | $219.12 | $215.00 | $216.78 | +$2.43 | +1.13% | 722,348 | $217.28 | $215.00 $219.12 |