5 DAY PERFORMANCE
-14.39%
1 MONTH PERFORMANCE
-10.67%
3 MONTH PERFORMANCE
-5.36%
6 MONTH PERFORMANCE
+6.28%
YEAR-TO-DATE PERFORMANCE
+6.96%
1 YEAR PERFORMANCE
+25.82%
Biogen Inc Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 10/08/2026 | $220.15 | $218.43 (-0.78%) | $223.09 | $215.73 | 1.34 M | $32.26 B |
| 10/07/2026 | $222.93 | $222.15 (-0.35%) | $228.00 | $221.40 | 1.30 M | $32.81 B |
| 10/06/2026 | $224.53 | $222.89 (-0.73%) | $225.97 | $218.00 | 1.01 M | $32.92 B |
| 10/05/2026 | $219.90 | $223.59 (1.68%) | $223.85 | $218.22 | 951.32 K | $33.02 B |
| 10/02/2026 | $222.98 | $219.88 (-1.39%) | $224.08 | $219.81 | 780.43 K | $32.48 B |
| 10/01/2026 | $225.50 | $222.82 (-1.19%) | $228.31 | $222.50 | 1.76 M | $32.91 B |
| 09/30/2026 | $227.23 | $225.88 (-0.59%) | $229.36 | $225.51 | 1.55 M | $33.36 B |
| 09/29/2026 | $227.02 | $227.07 (0.02%) | $229.41 | $224.45 | 1.16 M | $33.54 B |
| 09/28/2026 | $225.87 | $228.69 (1.25%) | $230.49 | $225.51 | 1.33 M | $33.78 B |
| 09/25/2026 | $228.27 | $227.60 (-0.29%) | $228.92 | $223.76 | 958.03 K | $33.62 B |
| 09/24/2026 | $226.80 | $226.36 (-0.19%) | $228.72 | $224.31 | 1.03 M | $33.43 B |
| 09/23/2026 | $226.94 | $227.53 (0.26%) | $229.19 | $222.36 | 1.49 M | $33.61 B |
| 09/22/2026 | $219.22 | $225.36 (2.8%) | $226.43 | $219.00 | 1.11 M | $33.29 B |
| 09/21/2026 | $216.14 | $219.07 (1.36%) | $221.92 | $214.59 | 928.56 K | $32.36 B |
| 09/18/2026 | $219.05 | $215.50 (-1.62%) | $220.17 | $215.26 | 2.64 M | $31.83 B |
| 09/17/2026 | $217.68 | $219.05 (0.63%) | $219.41 | $215.33 | 836.71 K | $32.35 B |
| 09/16/2026 | $216.41 | $216.01 (-0.18%) | $218.29 | $214.81 | 606.50 K | $31.90 B |
| 09/15/2026 | $216.71 | $216.17 (-0.25%) | $216.71 | $213.54 | 756.05 K | $31.93 B |
| 09/14/2026 | $221.00 | $217.36 (-1.65%) | $222.25 | $215.56 | 629.93 K | $32.10 B |
| 09/11/2026 | $216.75 | $217.15 (0.18%) | $219.76 | $214.71 | 1.08 M | $32.07 B |
| 09/10/2026 | $209.92 | $215.43 (2.62%) | $216.70 | $208.93 | 936.64 K | $31.82 B |
| 09/09/2026 | $210.50 | $210.73 (0.11%) | $213.48 | $209.00 | 694.67 K | $31.12 B |
| 09/08/2026 | $215.45 | $212.50 (-1.37%) | $217.28 | $210.54 | 617.83 K | $31.39 B |
| 09/04/2026 | $221.15 | $220.83 (-0.14%) | $223.82 | $219.82 | 465.11 K | $32.62 B |
| 09/03/2026 | $225.44 | $224.51 (-0.41%) | $225.80 | $221.23 | 550.75 K | $33.16 B |
| 09/02/2026 | $218.20 | $222.67 (2.05%) | $225.59 | $216.97 | 1.27 M | $32.89 B |
| 09/01/2026 | $218.11 | $216.04 (-0.95%) | $219.30 | $213.60 | 785.50 K | $31.91 B |
| 08/31/2026 | $216.47 | $216.65 (0.08%) | $218.89 | $213.58 | 831.00 K | $32.00 B |
| 08/28/2026 | $221.17 | $218.50 (-1.21%) | $222.00 | $216.78 | 517.48 K | $32.27 B |
| 08/27/2026 | $219.39 | $221.50 (0.96%) | $222.11 | $217.53 | 497.52 K | $32.72 B |
| 08/26/2026 | $219.34 | $221.07 (0.79%) | $222.00 | $218.69 | 647.33 K | $32.65 B |
| 08/25/2026 | $218.93 | $220.77 (0.84%) | $222.85 | $218.00 | 495.44 K | $32.61 B |
| 08/24/2026 | $216.40 | $218.12 (0.79%) | $218.50 | $213.96 | 649.83 K | $32.22 B |
| 08/21/2026 | $217.76 | $216.78 (-0.45%) | $219.12 | $215.00 | 722.35 K | $32.02 B |
| 08/20/2026 | $217.98 | $214.35 (-1.67%) | $221.29 | $214.16 | 808.63 K | $31.66 B |
| 08/19/2026 | $215.33 | $221.56 (2.89%) | $222.15 | $215.08 | 886.91 K | $32.72 B |
| 08/18/2026 | $211.00 | $212.55 (0.73%) | $214.07 | $210.01 | 694.01 K | $31.39 B |
| 08/17/2026 | $208.36 | $209.15 (0.38%) | $210.49 | $207.62 | 617.24 K | $30.89 B |
| 08/14/2026 | $210.01 | $209.83 (-0.09%) | $210.79 | $208.22 | 554.82 K | $30.99 B |
| 08/13/2026 | $212.98 | $210.65 (-1.09%) | $215.61 | $208.79 | 860.10 K | $31.11 B |
| 08/12/2026 | $203.52 | $208.87 (2.63%) | $209.22 | $201.00 | 789.44 K | $30.85 B |
| 08/11/2026 | $206.63 | $203.89 (-1.33%) | $207.57 | $203.53 | 936.83 K | $30.11 B |
| 08/10/2026 | $206.70 | $207.13 (0.21%) | $210.02 | $206.29 | 706.43 K | $30.59 B |
| 08/07/2026 | $207.38 | $207.94 (0.27%) | $208.31 | $204.16 | 840.57 K | $30.71 B |
| 08/06/2026 | $208.75 | $206.28 (-1.18%) | $209.03 | $202.03 | 892.77 K | $30.47 B |
| 08/05/2026 | $210.60 | $206.63 (-1.89%) | $212.18 | $205.80 | 873.78 K | $30.52 B |
| 08/04/2026 | $200.96 | $208.45 (3.73%) | $209.74 | $199.93 | 1.21 M | $30.79 B |
| 08/03/2026 | $203.34 | $201.82 (-0.75%) | $203.85 | $199.58 | 940.99 K | $29.81 B |
| 07/31/2026 | $207.51 | $202.95 (-2.2%) | $208.05 | $202.57 | 1.06 M | $29.98 B |
| 07/30/2026 | $204.38 | $207.93 (1.74%) | $210.19 | $203.09 | 892.94 K | $30.71 B |
| 07/29/2026 | $210.50 | $209.23 (-0.6%) | $218.59 | $206.27 | 2.40 M | $30.90 B |
| 07/28/2026 | $201.01 | $205.61 (2.29%) | $207.72 | $199.40 | 1.83 M | $30.37 B |
| 07/27/2026 | $202.75 | $200.14 (-1.29%) | $204.47 | $199.83 | 762.60 K | $29.56 B |
| 07/24/2026 | $202.24 | $202.19 (-0.02%) | $203.30 | $200.04 | 596.37 K | $29.76 B |
| 07/23/2026 | $197.04 | $200.62 (1.82%) | $203.60 | $196.92 | 1.03 M | $29.53 B |
| 07/22/2026 | $203.70 | $197.74 (-2.93%) | $204.31 | $197.40 | 841.35 K | $29.11 B |
| 07/21/2026 | $199.47 | $203.16 (1.85%) | $203.70 | $198.59 | 652.84 K | $29.91 B |
| 07/20/2026 | $204.08 | $199.95 (-2.02%) | $205.65 | $199.62 | 963.09 K | $29.43 B |
| 07/17/2026 | $208.60 | $205.99 (-1.25%) | $215.79 | $203.40 | 1.15 M | $30.32 B |
| 07/16/2026 | $198.26 | $208.92 (5.38%) | $209.64 | $194.67 | 1.87 M | $30.75 B |
| 07/15/2026 | $191.21 | $197.24 (3.15%) | $198.58 | $186.03 | 2.07 M | $29.03 B |
| 07/14/2026 | $200.34 | $191.95 (-4.19%) | $202.00 | $189.40 | 3.90 M | $28.26 B |
| 07/13/2026 | $199.33 | $209.03 (4.87%) | $210.87 | $197.74 | 2.26 M | $30.77 B |
| 07/10/2026 | $197.63 | $199.15 (0.77%) | $199.98 | $194.37 | 1.13 M | $29.31 B |
| 07/09/2026 | $198.92 | $198.91 (-0.01%) | $201.01 | $196.00 | 1.66 M | $29.28 B |
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