$BIIB: Biogen Inc. - Common Stock
2026-06-22 BIIB 2026-06-22 00:02:08 0.00 0.00 -1.05% BIIB 2026-06-22 04:01:37 222.52 191.25 -1.05% BIIB 2026-06-22 05:01:02 204.44 191.25 -1.05% BIIB 2026-06-22 06:01:17 200.00 196.01 -0.07% BIIB 2026-06-22 09:01:06 200.00 196.20 -0.07% BIIB 2026-06-22 10:01:17 197.02 196.72 0.15% BIIB 2026-06-22 11:01:10 195.02 194.87 -0.84% BIIB 2026-06-22 12:01:22 198.27 198.02 0.76% BIIB 2026-06-22 13:01:11 198.28 197.96 0.74% BIIB 2026-06-22 14:01:19 199.17 198.99 1.24% BIIB 2026-06-22 15:04:07 198.24 198.14 0.84% BIIB 2026-06-22 16:01:22 202.00 198.00 1.59% BIIB 2026-06-22 17:01:14 200.20 198.00 1.59% BIIB 2026-06-22 18:01:24 199.70 198.00 1.49% BIIB 2026-06-22 20:01:19 0.00 0.00 1.59% 2026-06-23 BIIB 2026-06-23 04:01:16 210.00 190.00 1.59% BIIB 2026-06-23 05:01:12 210.00 198.58 -0.62% BIIB 2026-06-23 06:01:19 201.79 198.59 -0.62% BIIB 2026-06-23 07:01:07 201.79 198.59 0.32% BIIB 2026-06-23 08:01:21 201.79 197.12 0.32% BIIB 2026-06-23 09:01:11 201.79 196.41 0.32% BIIB 2026-06-23 10:01:18 200.90 200.49 0.40% BIIB 2026-06-23 11:01:12 199.22 198.82 -0.33% BIIB 2026-06-23 12:01:23 200.47 200.27 0.35% BIIB 2026-06-23 13:01:10 201.18 201.06 0.73% BIIB 2026-06-23 14:01:13 200.49 200.28 0.31% BIIB 2026-06-23 15:01:13 198.85 198.69 -0.44% BIIB 2026-06-23 16:01:22 201.79 196.01 -1.09% BIIB 2026-06-23 17:01:14 201.79 196.01 -0.81% BIIB 2026-06-23 18:01:24 201.79 197.20 -0.81% BIIB 2026-06-23 19:01:12 201.79 197.50 -1.09% BIIB 2026-06-23 20:01:42 0.00 0.00 -1.08% 2026-06-24 BIIB 2026-06-24 04:01:28 204.99 190.01 -1.08% BIIB 2026-06-24 05:01:07 204.99 194.01 -1.08% BIIB 2026-06-24 06:01:22 199.99 196.01 -1.08% BIIB 2026-06-24 07:01:03 199.99 196.54 -1.08% BIIB 2026-06-24 08:01:13 199.99 197.60 -1.08% BIIB 2026-06-24 09:01:03 199.99 196.54 0.21% BIIB 2026-06-24 10:01:14 199.90 199.50 1.31% BIIB 2026-06-24 11:01:10 200.02 199.71 1.27% BIIB 2026-06-24 12:01:22 200.37 200.05 1.47% BIIB 2026-06-24 13:01:21 200.92 200.69 1.79% BIIB 2026-06-24 14:01:23 200.29 200.15 1.50% BIIB 2026-06-24 15:01:11 201.33 201.18 2.00% BIIB 2026-06-24 16:01:26 200.00 199.00 1.22% BIIB 2026-06-24 17:01:12 200.00 199.20 1.22% BIIB 2026-06-24 18:01:21 202.75 199.20 1.43% BIIB 2026-06-24 20:01:25 0.00 0.00 1.43% 2026-06-25 BIIB 2026-06-25 04:01:25 202.99 193.93 1.43% BIIB 2026-06-25 05:01:09 202.99 181.99 0.63% BIIB 2026-06-25 06:01:26 202.99 185.00 0.63% BIIB 2026-06-25 07:01:08 202.99 198.76 0.63% BIIB 2026-06-25 09:01:06 199.99 198.51 -0.30% BIIB 2026-06-25 10:01:17 205.85 205.54 3.06% BIIB 2026-06-25 11:01:23 206.20 205.77 3.16% BIIB 2026-06-25 12:01:17 205.22 205.00 2.77% BIIB 2026-06-25 13:01:08 204.35 204.10 2.30% BIIB 2026-06-25 14:01:19 204.45 204.30 2.39% BIIB 2026-06-25 15:05:32 202.71 202.38 1.48% BIIB 2026-06-25 16:01:16 204.16 198.00 1.99% BIIB 2026-06-25 18:01:23 205.96 201.98 1.99% BIIB 2026-06-25 20:01:24 0.00 0.00 1.99% 2026-06-26 BIIB 2026-06-26 04:01:20 209.99 201.00 0.43% BIIB 2026-06-26 05:01:07 206.43 201.00 0.43% BIIB 2026-06-26 06:01:17 209.03 201.00 0.43% BIIB 2026-06-26 07:01:07 202.00 201.00 0.27% BIIB 2026-06-26 08:01:18 202.00 200.15 -0.09% BIIB 2026-06-26 09:01:06 202.00 200.15 0.02% BIIB 2026-06-26 10:01:16 212.66 212.20 5.28% BIIB 2026-06-26 11:01:06 214.19 214.03 6.11% BIIB 2026-06-26 12:01:22 213.61 213.38 5.74% BIIB 2026-06-26 13:01:11 213.80 213.44 5.79% BIIB 2026-06-26 14:01:23 212.98 212.74 5.47% BIIB 2026-06-26 15:01:16 212.85 212.74 5.44% BIIB 2026-06-26 16:01:22 217.50 214.00 7.45% BIIB 2026-06-26 17:01:16 217.00 216.18 7.52% BIIB 2026-06-26 18:01:25 217.00 214.00 6.70% BIIB 2026-06-26 19:01:21 217.00 214.00 7.30% BIIB 2026-06-26 20:01:27 0.00 0.00 7.30% 2026-06-29 BIIB 2026-06-29 04:01:15 237.72 193.21 2.12% BIIB 2026-06-29 05:01:07 223.59 214.60 2.12% BIIB 2026-06-29 06:01:22 223.59 214.00 1.13% BIIB 2026-06-29 07:01:17 217.50 216.00 0.02% BIIB 2026-06-29 08:01:22 217.50 216.00 0.17% BIIB 2026-06-29 09:01:10 217.49 216.00 -0.01% BIIB 2026-06-29 10:01:17 217.08 216.65 0.46% BIIB 2026-06-29 11:01:06 217.32 216.82 0.45% BIIB 2026-06-29 12:01:16 217.12 216.65 0.42% BIIB 2026-06-29 13:01:13 216.61 216.38 0.21% BIIB 2026-06-29 14:01:36 214.32 214.20 -0.84% BIIB 2026-06-29 15:01:19 215.72 215.42 -0.21% BIIB 2026-06-29 16:01:30 217.50 216.46 0.28% BIIB 2026-06-29 17:01:15 217.00 214.00 0.00% BIIB 2026-06-29 18:01:24 217.50 214.00 0.12% BIIB 2026-06-29 19:01:13 217.50 214.00 -0.48% BIIB 2026-06-29 20:01:30 0.00 0.00 -0.48% 2026-06-30 BIIB 2026-06-30 04:01:45 229.46 211.01 -0.48% BIIB 2026-06-30 05:01:15 224.90 211.01 -0.48% BIIB 2026-06-30 06:01:23 217.99 216.00 -0.48% BIIB 2026-06-30 08:01:17 217.99 216.00 0.21% BIIB 2026-06-30 10:01:24 214.10 213.41 -1.33% BIIB 2026-06-30 11:01:09 216.54 216.03 -0.05% BIIB 2026-06-30 12:01:26 215.95 215.66 -0.37% BIIB 2026-06-30 13:01:11 216.97 216.76 0.13% BIIB 2026-06-30 14:01:16 217.63 217.19 0.37% BIIB 2026-06-30 15:01:11 217.22 216.92 0.16% BIIB 2026-06-30 16:01:24 217.52 214.00 -0.59% BIIB 2026-06-30 17:01:20 218.00 214.00 -0.59% BIIB 2026-06-30 20:01:25 0.00 0.00 -0.59% 2026-07-01 BIIB 2026-07-01 04:01:24 240.00 210.24 -0.59% BIIB 2026-07-01 05:01:10 240.00 211.01 -0.59% BIIB 2026-07-01 07:01:11 218.00 214.01 -0.59% BIIB 2026-07-01 08:01:18 216.00 214.01 -0.59% BIIB 2026-07-01 09:01:05 218.00 214.00 -0.59% BIIB 2026-07-01 10:01:19 213.37 213.12 -1.30% BIIB 2026-07-01 11:01:09 213.27 213.00 -1.39% BIIB 2026-07-01 12:01:18 212.96 212.66 -1.54% BIIB 2026-07-01 13:01:07 210.66 210.21 -2.64% BIIB 2026-07-01 14:01:24 210.63 210.39 -2.54% BIIB 2026-07-01 15:01:04 210.85 210.60 -2.42% BIIB 2026-07-01 16:01:17 216.43 208.00 -2.72% BIIB 2026-07-01 17:01:20 216.43 210.00 -2.80% BIIB 2026-07-01 20:01:24 0.00 0.00 -2.80% 2026-07-02 BIIB 2026-07-02 04:01:23 236.60 205.00 -2.80% BIIB 2026-07-02 05:01:07 237.56 205.00 -2.80% BIIB 2026-07-02 06:01:20 237.53 205.00 -2.80% BIIB 2026-07-02 07:01:07 214.00 205.00 -2.80% BIIB 2026-07-02 09:01:10 214.00 206.00 -2.80% BIIB 2026-07-02 10:01:19 216.59 216.09 3.04% BIIB 2026-07-02 11:01:09 218.20 217.93 3.83% BIIB 2026-07-02 12:01:23 217.05 216.37 3.20% BIIB 2026-07-02 13:01:15 215.36 214.98 2.49% BIIB 2026-07-02 14:01:22 214.79 214.52 2.28% BIIB 2026-07-02 15:01:11 215.49 215.38 2.65% BIIB 2026-07-02 16:01:14 219.00 214.00 3.04% BIIB 2026-07-02 17:01:14 219.00 214.00 3.27% BIIB 2026-07-02 19:01:10 220.00 214.00 3.25% BIIB 2026-07-02 20:01:28 0.00 0.00 3.25% 2026-07-06 BIIB 2026-07-06 04:01:09 218.59 197.67 0.05% BIIB 2026-07-06 05:00:53 217.50 197.67 0.05% BIIB 2026-07-06 06:01:10 217.50 197.67 0.42% BIIB 2026-07-06 07:01:00 217.50 214.00 0.62% BIIB 2026-07-06 08:01:08 216.79 214.00 0.62% BIIB 2026-07-06 09:00:59 217.50 215.50 -0.29% BIIB 2026-07-06 10:01:09 212.19 211.80 -1.97% BIIB 2026-07-06 11:01:00 213.63 213.36 -1.31% BIIB 2026-07-06 12:01:16 213.11 212.83 -1.51% BIIB 2026-07-06 13:00:57 213.17 212.94 -1.52% BIIB 2026-07-06 14:01:14 212.77 212.44 -1.67% BIIB 2026-07-06 15:01:07 212.01 211.83 -1.96% BIIB 2026-07-06 16:01:12 211.18 206.67 -4.22% BIIB 2026-07-06 17:01:15 211.18 206.67 -3.29% BIIB 2026-07-06 18:01:18 211.18 207.68 -3.29% BIIB 2026-07-06 19:01:04 211.18 207.68 -3.48% BIIB 2026-07-06 20:01:21 0.00 0.00 -3.48% 2026-07-07 BIIB 2026-07-07 04:01:12 234.05 206.01 -3.48% BIIB 2026-07-07 05:00:52 218.95 208.46 -3.48% BIIB 2026-07-07 06:01:18 219.51 208.46 -3.48% BIIB 2026-07-07 07:01:01 211.99 208.46 -3.48% BIIB 2026-07-07 08:01:07 211.99 209.20 1.00% BIIB 2026-07-07 09:00:56 211.39 209.50 0.56% BIIB 2026-07-07 10:01:13 210.42 210.04 0.83% BIIB 2026-07-07 11:00:57 210.76 210.47 1.06% BIIB 2026-07-07 12:01:00 208.98 208.75 0.20% BIIB 2026-07-07 13:00:59 207.92 207.73 -0.33% BIIB 2026-07-07 14:01:13 206.91 206.71 -0.76% BIIB 2026-07-07 15:01:00 207.45 207.39 -0.46% BIIB 2026-07-07 16:01:08 207.86 205.50 -1.32% BIIB 2026-07-07 18:01:16 209.71 205.50 0.60% BIIB 2026-07-07 20:01:20 0.00 0.00 0.60% 2026-07-08 BIIB 2026-07-08 04:01:23 238.81 204.00 0.00% BIIB 2026-07-08 05:01:10 240.00 204.00 0.00% BIIB 2026-07-08 06:01:17 210.00 204.00 0.00% BIIB 2026-07-08 07:01:09 210.00 205.70 0.00% BIIB 2026-07-08 09:01:07 207.86 205.70 0.00% BIIB 2026-07-08 10:01:09 202.80 202.54 -1.50% BIIB 2026-07-08 11:00:57 200.50 200.27 -2.55% BIIB 2026-07-08 12:01:05 199.91 199.61 -2.88% BIIB 2026-07-08 13:00:58 202.37 201.91 -1.73% BIIB 2026-07-08 14:01:17 204.31 203.94 -0.76% BIIB 2026-07-08 15:01:01 202.36 202.25 -1.64% BIIB 2026-07-08 16:01:12 202.21 200.41 -2.59% BIIB 2026-07-08 17:00:55 202.22 199.00 -2.77% BIIB 2026-07-08 18:01:10 202.22 199.00 -1.84% BIIB 2026-07-08 19:00:57 203.87 199.00 -1.69% BIIB 2026-07-08 20:01:08 0.00 0.00 -1.69% 2026-07-09 BIIB 2026-07-09 04:01:16 226.72 173.86 -1.69% BIIB 2026-07-09 05:01:01 228.20 173.85 -1.69% BIIB 2026-07-09 06:01:11 220.00 198.00 -1.69% BIIB 2026-07-09 07:00:59 219.70 198.00 -0.18% BIIB 2026-07-09 09:01:11 200.75 200.00 0.19% BIIB 2026-07-09 10:01:06 199.76 199.08 -0.54% BIIB 2026-07-09 11:00:57 199.11 198.74 -0.63% BIIB 2026-07-09 12:01:10 200.34 199.77 -0.19% BIIB 2026-07-09 13:01:03 199.39 199.18 -0.55% BIIB 2026-07-09 14:01:12 200.15 200.01 -0.10% BIIB 2026-07-09 15:00:53 200.26 200.01 -0.17% BIIB 2026-07-09 16:01:10 198.90 198.32 -0.72% BIIB 2026-07-09 17:01:02 198.90 196.00 -0.72% BIIB 2026-07-09 19:01:06 198.90 196.00 -1.30% BIIB 2026-07-09 20:01:18 0.00 0.00 -0.73% 2026-07-10 BIIB 2026-07-10 04:01:21 214.37 176.56 -0.73% BIIB 2026-07-10 05:01:03 202.88 194.94 -0.73% BIIB 2026-07-10 07:00:58 214.37 197.92 -0.73% BIIB 2026-07-10 08:01:05 214.37 199.10 0.10% BIIB 2026-07-10 09:00:55 202.16 199.10 1.05% BIIB 2026-07-10 10:01:04 197.59 197.35 -0.72% BIIB 2026-07-10 11:00:59 196.92 196.73 -1.00% BIIB 2026-07-10 12:01:04 198.11 197.75 -0.46% BIIB 2026-07-10 13:01:03 199.46 199.30 0.28% BIIB 2026-07-10 14:01:12 199.22 199.02 0.14% BIIB 2026-07-10 15:02:01 199.76 199.47 0.42% BIIB 2026-07-10 16:01:10 202.17 196.16 0.13% BIIB 2026-07-10 18:01:15 202.00 196.16 0.13% BIIB 2026-07-10 19:01:11 201.98 196.16 0.13% BIIB 2026-07-10 20:01:16 0.00 0.00 0.13% 2026-07-13 BIIB 2026-07-13 04:01:08 203.66 173.85 0.13% BIIB 2026-07-13 05:00:58 211.92 200.00 2.27% BIIB 2026-07-13 06:01:06 203.70 200.00 2.27% BIIB 2026-07-13 08:01:10 201.95 199.57 0.93% BIIB 2026-07-13 09:02:28 202.17 200.92 1.43% BIIB 2026-07-13 10:01:05 201.81 201.17 1.05% BIIB 2026-07-13 11:01:01 202.13 201.84 1.47% BIIB 2026-07-13 12:01:05 202.94 202.58 1.73% BIIB 2026-07-13 13:01:04 203.70 203.55 2.29% BIIB 2026-07-13 14:01:09 209.06 208.34 4.95% BIIB 2026-07-13 15:01:00 208.63 208.19 4.73% BIIB 2026-07-13 16:01:17 211.92 208.20 5.45% BIIB 2026-07-13 17:01:14 211.92 208.20 4.57% BIIB 2026-07-13 18:01:22 211.92 208.20 5.67% BIIB 2026-07-13 19:01:05 211.92 209.00 5.43% BIIB 2026-07-13 20:01:20 0.00 0.00 4.95% 2026-07-14 BIIB 2026-07-14 04:01:16 233.38 209.70 4.95% BIIB 2026-07-14 05:01:03 233.38 210.00 4.95% BIIB 2026-07-14 06:01:15 220.00 209.70 0.35% BIIB 2026-07-14 07:01:01 212.50 209.00 0.35% BIIB 2026-07-14 08:01:04 212.50 209.58 0.11% BIIB 2026-07-14 09:01:22 203.00 200.00 -3.01% BIIB 2026-07-14 10:01:13 194.07 193.75 -7.58% BIIB 2026-07-14 11:00:55 190.88 190.66 -9.11% BIIB 2026-07-14 12:01:17 189.84 189.42 -9.72% BIIB 2026-07-14 13:01:02 195.01 194.75 -7.04% BIIB 2026-07-14 14:01:17 195.81 195.51 -6.65% BIIB 2026-07-14 15:01:03 192.89 192.53 -8.27% BIIB 2026-07-14 16:01:07 196.00 191.95 -8.18% BIIB 2026-07-14 17:01:14 195.00 191.00 -7.89% BIIB 2026-07-14 17:29:08 Biogen Inc. (BIIB) Presents at Alzheimer's Association International Conference (AAIC Meeting) 2026 Transcript BIIB 2026-07-14 19:01:07 Biogen Inc. (BIIB) Presents at Alzheimer's Association International Conference (AAIC Meeting) 2026 - Slideshow BIIB 2026-07-14 20:01:17 0.00 0.00 -7.69% 2026-07-15 BIIB 2026-07-15 04:01:12 207.87 189.66 -7.69% BIIB 2026-07-15 05:01:04 192.73 189.66 0.37% BIIB 2026-07-15 06:01:06 192.73 189.66 -0.45% BIIB 2026-07-15 07:01:03 192.73 190.55 -0.45% BIIB 2026-07-15 08:01:11 195.98 190.55 -0.45% BIIB 2026-07-15 09:01:03 195.98 191.21 0.27% BIIB 2026-07-15 10:01:08 192.38 192.00 0.08% BIIB 2026-07-15 11:01:07 194.73 194.19 1.30% BIIB 2026-07-15 12:01:16 195.85 195.49 1.84% BIIB 2026-07-15 13:01:02 195.33 194.99 1.53% BIIB 2026-07-15 14:01:12 196.55 196.23 2.13% BIIB 2026-07-15 15:01:01 198.45 198.20 3.10% BIIB 2026-07-15 16:01:19 197.36 193.50 2.76% BIIB 2026-07-15 17:00:55 197.36 196.00 2.35% BIIB 2026-07-15 20:01:10 0.00 0.00 2.64% 2026-07-16 BIIB 2026-07-16 04:01:10 226.43 186.25 2.64% BIIB 2026-07-16 06:01:12 208.59 186.25 -0.65% BIIB 2026-07-16 07:00:55 199.99 192.35 -0.65% BIIB 2026-07-16 08:01:06 198.27 192.35 -0.65% BIIB 2026-07-16 09:00:56 198.27 196.44 0.52% BIIB 2026-07-16 10:01:09 201.14 200.60 1.81% BIIB 2026-07-16 11:01:01 204.88 204.50 3.98% BIIB 2026-07-16 12:01:10 204.51 204.22 3.76% BIIB 2026-07-16 13:01:01 207.23 207.03 5.21% BIIB 2026-07-16 14:01:07 207.87 207.48 5.38% BIIB 2026-07-16 15:01:05 208.61 208.21 5.80% BIIB 2026-07-16 16:01:08 209.94 206.15 5.58% BIIB 2026-07-16 17:01:05 209.94 207.00 5.58% BIIB 2026-07-16 18:01:13 210.00 207.00 5.58% BIIB 2026-07-16 19:01:07 210.00 206.15 5.58% BIIB 2026-07-16 20:01:23 0.00 0.00 5.58% 2026-07-17 BIIB 2026-07-17 04:01:20 228.60 195.05 -0.26% BIIB 2026-07-17 05:01:07 209.76 195.05 -0.71% BIIB 2026-07-17 06:01:08 230.00 195.05 0.10% BIIB 2026-07-17 07:01:01 210.00 206.00 0.10% BIIB 2026-07-17 08:01:06 210.00 206.00 -0.01% BIIB 2026-07-17 09:00:59 209.94 206.00 -0.92% BIIB 2026-07-17 10:01:08 211.68 211.07 1.21% BIIB 2026-07-17 11:01:00 209.55 209.20 0.25% BIIB 2026-07-17 12:01:07 207.08 206.54 -1.04% BIIB 2026-07-17 13:00:54 205.81 205.57 -1.65% BIIB 2026-07-17 14:01:08 204.94 204.68 -2.15% BIIB 2026-07-17 15:00:58 204.55 204.17 -2.30% BIIB 2026-07-17 16:01:08 207.44 203.50 -1.40% BIIB 2026-07-17 18:01:14 210.19 203.50 -1.40% BIIB 2026-07-17 19:01:08 209.00 203.50 -1.40% BIIB 2026-07-17 20:01:19 0.00 0.00 -1.40% 2026-07-20 BIIB 2026-07-20 04:01:09 214.00 196.37 -1.40% BIIB 2026-07-20 05:01:09 213.50 181.26 -1.40% BIIB 2026-07-20 06:01:14 213.47 203.51 -0.04% BIIB 2026-07-20 07:01:03 208.83 203.51 -0.04% BIIB 2026-07-20 08:01:14 208.85 203.50 -0.04% BIIB 2026-07-20 09:01:05 207.43 203.61 -0.04% BIIB 2026-07-20 10:01:10 203.67 203.31 -1.25% BIIB 2026-07-20 11:00:57 204.02 203.84 -0.99% BIIB 2026-07-20 12:01:10 203.22 203.09 -1.36% BIIB 2026-07-20 13:00:59 202.67 202.50 -1.64% BIIB 2026-07-20 14:01:40 202.70 202.61 -1.60% BIIB 2026-07-20 15:01:02 200.61 200.34 -2.68% BIIB 2026-07-20 16:01:20 204.00 200.00 -2.93% BIIB 2026-07-20 17:01:00 204.00 199.95 -2.91% BIIB 2026-07-20 19:01:02 204.00 197.00 -2.91% BIIB 2026-07-20 20:01:17 0.00 0.00 -2.91% 2026-07-21 BIIB 2026-07-21 04:01:16 205.11 199.00 -2.91% BIIB 2026-07-21 05:01:02 205.20 199.00 -2.91% BIIB 2026-07-21 06:01:15 203.00 199.00 1.06% BIIB 2026-07-21 07:00:55 201.67 199.00 1.06%