5 DAY PERFORMANCE
-15.04%
1 MONTH PERFORMANCE
-6.90%
3 MONTH PERFORMANCE
-2.85%
6 MONTH PERFORMANCE
-3.53%
YEAR-TO-DATE PERFORMANCE
+6.96%
1 YEAR PERFORMANCE
+35.12%
Biogen Inc Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 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 |
| 07/08/2026 | $204.86 | $200.36 (-2.2%) | $206.75 | $198.93 | 1.95 M | $29.49 B |
| 07/07/2026 | $211.86 | $205.70 (-2.91%) | $212.00 | $205.65 | 1.16 M | $30.28 B |
| 07/06/2026 | $215.95 | $208.46 (-3.47%) | $215.95 | $208.27 | 1.22 M | $30.69 B |
| 07/02/2026 | $212.74 | $216.12 (1.59%) | $219.02 | $210.75 | 1.16 M | $31.81 B |
| 07/01/2026 | $215.25 | $209.74 (-2.56%) | $215.81 | $209.67 | 1.14 M | $30.87 B |
| 06/30/2026 | $218.00 | $216.06 (-0.89%) | $218.00 | $212.58 | 1.09 M | $31.80 B |
| 06/29/2026 | $215.74 | $216.63 (0.41%) | $219.72 | $214.08 | 1.28 M | $31.89 B |
| 06/26/2026 | $202.53 | $216.03 (6.67%) | $218.06 | $202.29 | 2.37 M | $31.80 B |
| 06/25/2026 | $201.63 | $201.96 (0.16%) | $206.67 | $200.20 | 1.33 M | $29.73 B |
| 06/24/2026 | $199.34 | $199.59 (0.13%) | $202.06 | $198.66 | 1.35 M | $29.38 B |
| 06/23/2026 | $198.88 | $197.19 (-0.85%) | $201.22 | $197.01 | 1.05 M | $29.03 B |
| 06/22/2026 | $199.48 | $199.71 (0.12%) | $200.98 | $194.74 | 1.68 M | $29.40 B |
| 06/18/2026 | $200.22 | $196.58 (-1.82%) | $200.99 | $193.20 | 1.73 M | $28.94 B |
| 06/17/2026 | $195.14 | $198.67 (1.81%) | $201.75 | $194.04 | 1.01 M | $29.24 B |
| 06/16/2026 | $199.69 | $195.61 (-2.04%) | $200.26 | $194.04 | 1.11 M | $28.79 B |
| 06/15/2026 | $198.37 | $198.64 (0.14%) | $199.37 | $195.89 | 883.96 K | $29.24 B |
| 06/12/2026 | $200.57 | $200.05 (-0.26%) | $203.45 | $199.06 | 837.30 K | $29.45 B |
| 06/11/2026 | $195.49 | $199.96 (2.29%) | $201.18 | $194.24 | 914.78 K | $29.43 B |
| 06/10/2026 | $200.21 | $194.24 (-2.98%) | $201.94 | $194.10 | 1.07 M | $28.59 B |
| 06/09/2026 | $195.51 | $199.10 (1.84%) | $199.63 | $193.45 | 934.20 K | $29.31 B |
| 06/08/2026 | $197.25 | $192.62 (-2.35%) | $198.70 | $192.18 | 1.16 M | $28.35 B |
| 06/05/2026 | $196.45 | $195.34 (-0.57%) | $200.66 | $195.14 | 880.44 K | $28.75 B |
| 06/04/2026 | $198.00 | $196.45 (-0.78%) | $199.90 | $196.35 | 719.13 K | $28.92 B |
| 06/03/2026 | $187.69 | $195.96 (4.41%) | $196.51 | $187.48 | 891.79 K | $28.85 B |
| 06/02/2026 | $190.09 | $188.83 (-0.66%) | $190.58 | $184.90 | 1.10 M | $27.80 B |
| 06/01/2026 | $194.50 | $192.23 (-1.17%) | $195.28 | $191.67 | 841.50 K | $28.30 B |
| 05/29/2026 | $195.55 | $196.00 (0.23%) | $198.46 | $195.11 | 1.91 M | $28.85 B |
| 05/28/2026 | $196.97 | $196.39 (-0.29%) | $198.00 | $194.50 | 556.33 K | $28.91 B |
| 05/27/2026 | $194.11 | $196.97 (1.47%) | $199.80 | $194.11 | 893.05 K | $28.99 B |
| 05/26/2026 | $194.30 | $193.08 (-0.63%) | $195.50 | $192.27 | 930.21 K | $28.42 B |
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