Biogen Inc. (BCBA:BIIB)
19,570
-500 (-2.49%)
At close: Apr 10, 2026
BCBA:BIIB Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 10, 2026 | 19,980.00 | 20,100.00 | 19,570.00 | 19,570.00 | 19,570.00 | -2.49% | 477 |
| Apr 9, 2026 | 20,280.00 | 20,280.00 | 19,940.00 | 20,070.00 | 20,070.00 | -1.57% | 105 |
| Apr 8, 2026 | 20,340.00 | 20,490.00 | 20,040.00 | 20,390.00 | 20,390.00 | 1.65% | 148 |
| Apr 7, 2026 | 19,750.00 | 20,060.00 | 19,560.00 | 20,060.00 | 20,060.00 | 2.09% | 1,428 |
| Apr 6, 2026 | 20,070.00 | 20,230.00 | 19,270.00 | 19,650.00 | 19,650.00 | -6.21% | 1,445 |
| Apr 1, 2026 | 20,900.00 | 20,970.00 | 20,800.00 | 20,950.00 | 20,950.00 | 0.82% | 1,101 |
| Mar 31, 2026 | 20,150.00 | 20,840.00 | 20,040.00 | 20,780.00 | 20,780.00 | -2.76% | 2,120 |
| Mar 30, 2026 | 21,100.00 | 21,580.00 | 21,100.00 | 21,370.00 | 21,370.00 | 2.69% | 172 |
| Mar 27, 2026 | 21,140.00 | 21,200.00 | 20,810.00 | 20,810.00 | 20,810.00 | -1.93% | 101 |
| Mar 26, 2026 | 20,980.00 | 21,430.00 | 20,980.00 | 21,220.00 | 21,220.00 | 0.38% | 5,846 |
| Mar 25, 2026 | 20,930.00 | 21,160.00 | 20,900.00 | 21,140.00 | 21,140.00 | 2.42% | 260 |
| Mar 23, 2026 | 20,680.00 | 20,750.00 | 20,600.00 | 20,640.00 | 20,640.00 | 0.93% | 117 |
| Mar 20, 2026 | 20,630.00 | 20,630.00 | 20,450.00 | 20,450.00 | 20,450.00 | -1.30% | 15 |
| Mar 19, 2026 | 20,740.00 | 20,860.00 | 20,510.00 | 20,720.00 | 20,720.00 | 0.48% | 1,347 |
| Mar 18, 2026 | 20,670.00 | 20,690.00 | 20,470.00 | 20,620.00 | 20,620.00 | -1.39% | 150 |
| Mar 17, 2026 | 20,740.00 | 21,030.00 | 20,740.00 | 20,910.00 | 20,910.00 | 0.72% | 906 |
| Mar 16, 2026 | 20,580.00 | 20,790.00 | 20,510.00 | 20,760.00 | 20,760.00 | 0.78% | 153 |
| Mar 13, 2026 | 20,650.00 | 20,910.00 | 20,520.00 | 20,600.00 | 20,600.00 | -0.43% | 1,722 |
| Mar 12, 2026 | 20,880.00 | 20,980.00 | 20,670.00 | 20,690.00 | 20,690.00 | -2.86% | 102 |
| Mar 11, 2026 | 21,300.00 | 21,660.00 | 21,250.00 | 21,300.00 | 21,300.00 | 0.80% | 119 |
| Mar 10, 2026 | 21,460.00 | 21,520.00 | 21,130.00 | 21,130.00 | 21,130.00 | -0.56% | 428 |
| Mar 9, 2026 | 20,980.00 | 21,370.00 | 20,810.00 | 21,250.00 | 21,250.00 | 1.92% | 396 |
| Mar 6, 2026 | 20,980.00 | 21,060.00 | 20,570.00 | 20,850.00 | 20,850.00 | -1.51% | 274 |
| Mar 5, 2026 | 21,040.00 | 21,500.00 | 21,040.00 | 21,170.00 | 21,170.00 | -1.35% | 5,890 |
| Mar 4, 2026 | 20,910.00 | 21,460.00 | 20,660.00 | 21,460.00 | 21,460.00 | 1.56% | 85 |
| Mar 3, 2026 | 20,350.00 | 21,130.00 | 20,200.00 | 21,130.00 | 21,130.00 | - | 607 |
| Mar 2, 2026 | 21,460.00 | 21,470.00 | 20,940.00 | 21,130.00 | 21,130.00 | -2.36% | 268 |
| Feb 27, 2026 | 21,120.00 | 21,910.00 | 21,120.00 | 21,640.00 | 21,640.00 | 0.93% | 390 |
| Feb 26, 2026 | 21,650.00 | 21,650.00 | 21,200.00 | 21,440.00 | 21,440.00 | -0.23% | 192 |
| Feb 25, 2026 | 21,910.00 | 21,930.00 | 21,360.00 | 21,490.00 | 21,490.00 | -1.06% | 553 |
| Feb 24, 2026 | 21,760.00 | 22,250.00 | 21,700.00 | 21,720.00 | 21,720.00 | 0.14% | 179 |
| Feb 23, 2026 | 21,000.00 | 21,760.00 | 20,820.00 | 21,690.00 | 21,690.00 | 2.02% | 3,897 |
| Feb 20, 2026 | 21,100.00 | 21,540.00 | 21,000.00 | 21,260.00 | 21,260.00 | -0.42% | 565 |
| Feb 19, 2026 | 21,270.00 | 21,700.00 | 21,270.00 | 21,350.00 | 21,350.00 | -1.97% | 14,623 |
| Feb 18, 2026 | 22,470.00 | 22,470.00 | 21,710.00 | 21,780.00 | 21,780.00 | -1.76% | 95 |
| Feb 13, 2026 | 21,300.00 | 23,000.00 | 21,300.00 | 22,170.00 | 22,170.00 | 1.05% | 354 |
| Feb 12, 2026 | 20,600.00 | 22,140.00 | 20,600.00 | 21,940.00 | 21,940.00 | 1.29% | 389 |
| Feb 11, 2026 | 21,100.00 | 22,080.00 | 20,940.00 | 21,660.00 | 21,660.00 | -0.18% | 849 |
| Feb 10, 2026 | 22,230.00 | 22,230.00 | 21,640.00 | 21,700.00 | 21,700.00 | -2.69% | 529 |
| Feb 9, 2026 | 23,100.00 | 23,100.00 | 22,120.00 | 22,300.00 | 22,300.00 | -3.21% | 12,591 |
| Feb 6, 2026 | 22,040.00 | 23,150.00 | 21,670.00 | 23,040.00 | 23,040.00 | 7.61% | 8,898 |
| Feb 5, 2026 | 21,370.00 | 21,700.00 | 20,780.00 | 21,410.00 | 21,410.00 | 0.23% | 3,734 |
| Feb 4, 2026 | 20,970.00 | 21,420.00 | 20,150.00 | 21,360.00 | 21,360.00 | 4.30% | 15,898 |
| Feb 3, 2026 | 20,050.00 | 20,820.00 | 19,650.00 | 20,480.00 | 20,480.00 | 0.10% | 624 |
| Feb 2, 2026 | 20,900.00 | 20,910.00 | 20,020.00 | 20,460.00 | 20,460.00 | -0.63% | 473 |
| Jan 30, 2026 | 20,440.00 | 20,660.00 | 20,350.00 | 20,590.00 | 20,590.00 | 0.64% | 1,009 |
| Jan 29, 2026 | 19,920.00 | 20,520.00 | 19,920.00 | 20,460.00 | 20,460.00 | 1.99% | 258 |
| Jan 28, 2026 | 20,670.00 | 20,670.00 | 19,820.00 | 20,060.00 | 20,060.00 | -0.69% | 487 |
| Jan 27, 2026 | 20,440.00 | 20,440.00 | 20,130.00 | 20,200.00 | 20,200.00 | 0.50% | 3,500 |
| Jan 26, 2026 | 19,980.00 | 20,300.00 | 19,830.00 | 20,100.00 | 20,100.00 | 0.60% | 1,304 |