Biogen Inc.

BIIB · NASDAQ

Market closed$205.99$-2.93 (-1.40%)After hours $205.00 · -0.48%

Historical prices

Open, high, low, close and volume for the selected range.

DateOpenHighLowCloseAdjustedVolume
July 17, 2026$205.00$205.00$205.00$205.00$205.00369.00
July 17, 2026$210.74$210.74$210.74$210.74$210.741.00K
July 17, 2026$206.00$206.00$206.00$206.00$206.0085.00
July 17, 2026$205.50$205.50$205.50$205.50$205.505.00
July 17, 2026$205.99$205.99$205.99$205.99$205.99437.00
July 17, 2026$205.99$205.99$205.99$205.99$205.99361.00
July 17, 2026$205.99$205.99$205.99$205.99$205.99647.00
July 17, 2026$205.99$205.99$205.99$205.99$205.9952.00
July 17, 2026$205.99$205.99$205.99$205.99$205.992.29K
July 17, 2026$205.99$205.99$205.99$205.99$205.99231.31K
July 17, 2026$205.82$206.12$205.82$206.04$206.041.90K
July 17, 2026$205.90$205.97$205.84$205.87$205.871.62K
July 17, 2026$205.85$206.10$205.85$205.93$205.931.53K
July 17, 2026$205.37$205.82$205.37$205.82$205.8213.08K
July 17, 2026$204.39$205.38$204.39$205.30$205.301.36K
July 17, 2026$204.00$204.26$204.00$204.25$204.2511.65K
July 17, 2026$203.86$204.07$203.86$204.04$204.045.24K
July 17, 2026$203.95$203.97$203.95$203.97$203.973.87K
July 17, 2026$203.66$204.04$203.66$204.02$204.027.11K
July 17, 2026$204.01$204.07$203.60$203.72$203.726.70K
July 17, 2026$204.17$204.17$203.89$203.89$203.89147.00
July 17, 2026$204.15$204.16$203.97$203.97$203.975.05K
July 17, 2026$204.11$204.11$204.11$204.11$204.114.97K
July 17, 2026$204.15$204.15$203.76$203.76$203.765.06K
July 17, 2026$204.25$204.27$204.25$204.27$204.274.23K
July 17, 2026$204.10$204.29$204.10$204.23$204.2310.29K
July 17, 2026$204.03$204.04$203.89$203.89$203.894.44K
July 17, 2026$204.06$204.07$203.99$204.00$204.005.21K
July 17, 2026$203.87$203.99$203.87$203.99$203.995.32K
July 17, 2026$203.78$203.95$203.78$203.89$203.894.83K
July 17, 2026$203.68$203.68$203.68$203.68$203.681.13K
July 17, 2026$203.62$203.69$203.62$203.69$203.693.58K
July 17, 2026$203.78$203.79$203.66$203.66$203.663.89K
July 17, 2026$203.70$203.73$203.70$203.73$203.734.31K
July 17, 2026$203.70$203.70$203.65$203.65$203.65951.00
July 17, 2026$203.56$203.70$203.56$203.56$203.563.78K
July 17, 2026$203.65$203.65$203.65$203.65$203.651.44K
July 17, 2026$203.62$203.62$203.43$203.43$203.432.33K
July 17, 2026$203.56$203.56$203.56$203.56$203.566.11K
July 17, 2026$203.59$203.59$203.59$203.59$203.59554.00
July 17, 2026$203.60$203.60$203.59$203.59$203.591.13K
July 17, 2026$203.56$203.70$203.48$203.48$203.48714.00
July 17, 2026$203.78$203.78$203.65$203.65$203.651.73K
July 17, 2026$203.76$203.76$203.67$203.67$203.67709.00
July 17, 2026$203.79$203.79$203.77$203.78$203.781.40K
July 17, 2026$203.98$203.98$203.98$203.98$203.981.97K
July 17, 2026$204.36$204.36$203.92$203.92$203.924.06K
July 17, 2026$204.38$204.38$204.38$204.38$204.381.12K
July 17, 2026$204.34$204.34$204.34$204.34$204.341.00
July 17, 2026$204.79$204.79$204.38$204.48$204.482.86K
July 17, 2026$204.80$204.80$204.80$204.80$204.80706.00
July 17, 2026$204.94$204.94$204.91$204.91$204.91467.00
July 17, 2026$205.09$205.22$205.09$205.12$205.124.82K
July 17, 2026$205.07$205.07$205.07$205.07$205.071.55K
July 17, 2026$204.84$204.84$204.81$204.81$204.815.02K
July 17, 2026$204.99$204.99$204.99$204.99$204.99808.00
July 17, 2026$204.86$204.86$204.86$204.86$204.86813.00
July 17, 2026$204.98$205.03$204.98$204.98$204.983.25K
July 17, 2026$204.70$204.89$204.70$204.89$204.891.58K
July 17, 2026$204.70$204.70$204.70$204.70$204.701.50K
July 17, 2026$204.71$204.71$204.71$204.71$204.71386.00
July 17, 2026$204.72$204.72$204.72$204.72$204.72730.00
July 17, 2026$204.68$204.68$204.68$204.68$204.681.67K
July 17, 2026$204.80$204.80$204.80$204.80$204.801.14K
July 17, 2026$204.73$204.73$204.73$204.73$204.7320.00
July 17, 2026$204.76$204.76$204.76$204.76$204.761.95K
July 17, 2026$204.74$204.76$204.74$204.76$204.761.83K
July 17, 2026$204.63$204.63$204.59$204.59$204.59641.00
July 17, 2026$204.79$204.79$204.63$204.63$204.632.14K
July 17, 2026$204.97$204.97$204.83$204.87$204.871.98K
July 17, 2026$205.12$205.12$205.04$205.04$205.044.75K
July 17, 2026$204.68$204.87$204.66$204.87$204.877.92K
July 17, 2026$204.49$204.66$204.48$204.52$204.52375.00
July 17, 2026$204.64$204.64$204.53$204.53$204.533.39K
July 17, 2026$204.64$204.64$204.64$204.64$204.6411.00
July 17, 2026$204.40$204.63$204.37$204.43$204.43445.24
July 17, 2026$204.60$204.60$204.30$204.30$204.305.53K
July 17, 2026$204.59$204.61$204.59$204.61$204.611.06K
July 17, 2026$204.54$204.54$204.43$204.54$204.54403.00
July 17, 2026$204.42$204.42$204.42$204.42$204.42989.00
July 17, 2026$204.49$204.49$204.49$204.49$204.494.00
July 17, 2026$204.56$204.56$204.56$204.56$204.562.54K
July 17, 2026$204.44$204.44$204.42$204.42$204.42921.00
July 17, 2026$204.36$204.36$204.32$204.32$204.32213.00
July 17, 2026$204.38$204.38$204.38$204.38$204.38801.00
July 17, 2026$204.50$204.56$204.35$204.51$204.51498.00
July 17, 2026$204.46$204.62$204.46$204.49$204.494.40K
July 17, 2026$204.26$204.26$204.25$204.25$204.251.42K
July 17, 2026$204.40$204.40$204.40$204.40$204.40365.00
July 17, 2026$204.42$204.42$204.42$204.42$204.42222.00
July 17, 2026$204.42$204.42$204.42$204.42$204.421.12K
July 17, 2026$204.41$204.41$204.41$204.41$204.41245.00
July 17, 2026$204.41$204.44$204.41$204.44$204.44360.00
July 17, 2026$204.30$204.31$204.30$204.31$204.312.35K
July 17, 2026$204.15$204.15$204.15$204.15$204.15200.00
July 17, 2026$204.14$204.14$204.14$204.14$204.142.20K
July 17, 2026$204.06$204.06$204.06$204.06$204.06798.00
July 17, 2026$204.31$204.31$204.16$204.16$204.165.22K
July 17, 2026$204.39$204.39$204.36$204.36$204.361.12K
July 17, 2026$204.50$204.68$204.42$204.68$204.681.37K
July 17, 2026$204.50$204.50$204.50$204.50$204.5020.68
July 17, 2026$204.51$204.51$204.51$204.51$204.511.72K
July 17, 2026$204.51$204.53$204.51$204.53$204.53502.00
July 17, 2026$204.50$204.50$204.49$204.49$204.49171.00
July 17, 2026$204.43$204.43$204.43$204.43$204.431.04K
July 17, 2026$204.53$204.53$204.51$204.53$204.531.98K
July 17, 2026$204.64$204.64$204.64$204.64$204.641.05K
July 17, 2026$204.78$204.81$204.65$204.65$204.657.42K
July 17, 2026$204.82$204.85$204.82$204.85$204.85864.00
July 17, 2026$204.72$204.72$204.72$204.72$204.721.16K
July 17, 2026$204.50$204.72$204.50$204.72$204.721.76K
July 17, 2026$204.57$204.57$204.48$204.48$204.48832.00
July 17, 2026$204.55$204.55$204.55$204.55$204.551.09K
July 17, 2026$204.45$204.45$204.45$204.45$204.451.76K
July 17, 2026$204.34$204.34$204.34$204.34$204.34548.00
July 17, 2026$204.19$204.19$204.19$204.19$204.19967.00
July 17, 2026$204.34$204.34$204.34$204.34$204.34642.00
July 17, 2026$204.34$204.34$204.34$204.34$204.34399.00
July 17, 2026$204.30$204.30$204.28$204.28$204.28100.00
July 17, 2026$204.44$204.44$204.44$204.44$204.441.64K
July 17, 2026$204.10$204.36$204.10$204.36$204.36180.00
July 17, 2026$204.11$204.11$204.11$204.11$204.111.11K
July 17, 2026$204.09$204.09$203.85$203.85$203.852.24K
July 17, 2026$204.17$204.17$204.17$204.17$204.17321.00
July 17, 2026$204.33$204.33$204.31$204.31$204.312.68K
July 17, 2026$204.48$204.48$204.38$204.48$204.481.61K
July 17, 2026$204.39$204.50$204.36$204.46$204.46156.00
July 17, 2026$204.51$204.51$204.51$204.51$204.511.41K
July 17, 2026$204.35$204.46$204.35$204.46$204.461.78K
July 17, 2026$204.26$204.26$204.26$204.26$204.26975.00
July 17, 2026$204.23$204.23$204.15$204.15$204.15855.00
July 17, 2026$204.06$204.06$204.06$204.06$204.06519.00
July 17, 2026$204.41$204.41$204.24$204.24$204.242.87K
July 17, 2026$204.57$204.57$204.41$204.57$204.57713.00
July 17, 2026$204.64$204.64$204.64$204.64$204.64365.00
July 17, 2026$204.57$204.68$204.47$204.57$204.57863.99
July 17, 2026$204.67$204.87$204.58$204.60$204.60119.01
July 17, 2026$204.56$204.56$204.41$204.41$204.4116.00
July 17, 2026$204.55$204.55$204.55$204.55$204.551.84K
July 17, 2026$204.58$204.58$204.58$204.58$204.58478.00
July 17, 2026$204.48$204.62$204.48$204.62$204.62631.00
July 17, 2026$204.79$204.79$204.69$204.69$204.69648.00
July 17, 2026$204.93$204.93$204.93$204.93$204.931.67K
July 17, 2026$204.91$204.91$204.91$204.91$204.91329.00
July 17, 2026$204.91$204.91$204.91$204.91$204.91745.00
July 17, 2026$205.09$205.09$205.09$205.09$205.09521.00
July 17, 2026$204.97$205.08$204.97$205.08$205.082.88K
July 17, 2026$204.85$204.94$204.85$204.94$204.942.31K
July 17, 2026$204.56$204.76$204.56$204.76$204.76393.00
July 17, 2026$204.63$204.63$204.63$204.63$204.6370.00
July 17, 2026$204.76$204.76$204.73$204.73$204.731.28K
July 17, 2026$204.78$204.88$204.74$204.74$204.74345.00
July 17, 2026$204.77$204.79$204.77$204.79$204.791.93K
July 17, 2026$204.56$204.56$204.56$204.56$204.56951.00
July 17, 2026$204.77$204.77$204.77$204.77$204.77105.00
July 17, 2026$205.01$205.01$205.01$205.01$205.01493.00
July 17, 2026$204.74$204.94$204.74$204.82$204.82204.38
July 17, 2026$204.80$204.80$204.80$204.80$204.80100.00
July 17, 2026$204.85$204.85$204.85$204.85$204.854.76K
July 17, 2026$205.30$205.30$205.30$205.30$205.302.27K
July 17, 2026$205.51$205.51$205.51$205.51$205.51419.00
July 17, 2026$205.45$205.52$205.40$205.52$205.521.95K
July 17, 2026$205.59$205.59$205.59$205.59$205.59303.00
July 17, 2026$205.54$205.57$205.49$205.49$205.49862.00
July 17, 2026$205.50$205.59$205.45$205.59$205.591.99K
July 17, 2026$205.69$205.71$205.66$205.66$205.66457.00
July 17, 2026$205.65$205.65$205.65$205.65$205.651.83K
July 17, 2026$205.79$205.79$205.79$205.79$205.79161.00
July 17, 2026$205.72$205.73$205.68$205.68$205.683.16K
July 17, 2026$205.96$205.96$205.90$205.90$205.903.87K
July 17, 2026$206.10$206.10$206.10$206.10$206.101.13K
July 17, 2026$206.20$206.20$206.20$206.20$206.20416.00
July 17, 2026$206.10$206.10$206.10$206.10$206.10667.00
July 17, 2026$206.20$206.20$206.20$206.20$206.20991.00
July 17, 2026$205.98$206.20$205.98$206.20$206.204.39K
July 17, 2026$205.90$205.98$205.76$205.84$205.84369.00
July 17, 2026$205.77$205.99$205.77$205.99$205.99188.24
July 17, 2026$205.90$205.95$205.77$205.81$205.81596.76
July 17, 2026$205.90$205.94$205.65$205.94$205.94475.00
July 17, 2026$205.78$205.78$205.77$205.77$205.77100.00
July 17, 2026$206.05$206.05$206.05$206.05$206.0517.00
July 17, 2026$205.83$206.15$205.62$205.62$205.628.32K
July 17, 2026$205.66$205.66$205.48$205.66$205.662.08K
July 17, 2026$205.61$205.69$205.61$205.61$205.61379.00
July 17, 2026$205.70$205.70$205.70$205.70$205.70693.00
July 17, 2026$205.68$205.69$205.68$205.69$205.69504.00
July 17, 2026$205.75$205.75$205.74$205.74$205.742.05K
July 17, 2026$205.96$206.01$205.83$205.83$205.834.02K
July 17, 2026$205.92$205.93$205.89$205.89$205.891.32K
July 17, 2026$205.92$205.92$205.92$205.92$205.921.00
July 17, 2026$205.99$205.99$205.99$205.99$205.991.26K
July 17, 2026$206.00$206.00$206.00$206.00$206.0012.00
July 17, 2026$205.87$205.87$205.87$205.87$205.87883.00
July 17, 2026$206.00$206.00$206.00$206.00$206.0017.00
July 17, 2026$205.89$205.97$205.89$205.97$205.972.00K
July 17, 2026$205.91$205.91$205.86$205.86$205.86863.00
July 17, 2026$205.90$205.90$205.90$205.90$205.903.00
July 17, 2026$206.02$206.02$206.02$206.02$206.0210.00
July 17, 2026$205.92$205.92$205.92$205.92$205.923.27K
July 17, 2026$205.77$205.77$205.77$205.77$205.77844.00
July 17, 2026$206.00$206.00$205.97$205.97$205.972.75K
July 17, 2026$205.84$205.84$205.84$205.84$205.841.10K
July 17, 2026$205.92$205.99$205.86$205.99$205.9921.00
July 17, 2026$206.00$206.00$206.00$206.00$206.001.53K
July 17, 2026$205.98$205.98$205.98$205.98$205.981.34K
July 17, 2026$205.97$205.97$205.87$205.94$205.941.38K
July 17, 2026$205.76$205.76$205.76$205.76$205.76651.00
July 17, 2026$205.93$205.93$205.93$205.93$205.9317.00
July 17, 2026$205.85$205.85$205.84$205.84$205.84
July 17, 2026$205.82$205.82$205.82$205.82$205.822.79K
July 17, 2026$205.98$205.98$205.85$205.85$205.8547.00
July 17, 2026$205.96$205.96$205.82$205.82$205.8240.00
July 17, 2026$206.07$206.07$206.06$206.06$206.06536.00
July 17, 2026$205.92$205.92$205.92$205.92$205.923.15K
July 17, 2026$205.87$205.87$205.86$205.86$205.86525.00
July 17, 2026$206.17$206.17$205.97$205.97$205.97700.00
July 17, 2026$206.16$206.16$206.16$206.16$206.16
July 17, 2026$206.16$206.16$206.16$206.16$206.161.12K
July 17, 2026$205.98$205.98$205.98$205.98$205.981.23K
July 17, 2026$206.04$206.04$206.04$206.04$206.042.27K
July 17, 2026$206.74$206.76$206.63$206.63$206.632.09K
July 17, 2026$206.60$206.60$206.08$206.38$206.38609.00
July 17, 2026$206.82$206.82$206.60$206.60$206.601.29K
July 17, 2026$206.48$206.48$206.48$206.48$206.481.46K
July 17, 2026$206.66$206.66$206.55$206.55$206.551.95K
July 17, 2026$206.79$206.79$206.79$206.79$206.79288.00
July 17, 2026$207.08$207.08$207.08$207.08$207.083.85K
July 17, 2026$206.37$206.87$206.37$206.87$206.876.61K
July 17, 2026$206.26$206.33$206.26$206.33$206.331.10K
July 17, 2026$206.45$206.50$206.41$206.41$206.41256.22
July 17, 2026$206.44$206.57$206.42$206.43$206.43186.78
July 17, 2026$206.46$206.46$206.46$206.46$206.46981.00
July 17, 2026$206.41$206.53$206.41$206.43$206.432.33K
July 17, 2026$206.46$206.49$206.46$206.49$206.494.67K
July 17, 2026$206.54$206.54$206.52$206.52$206.523.50K
July 17, 2026$206.65$206.65$206.65$206.65$206.65100.00
July 17, 2026$206.76$206.76$206.65$206.65$206.651.37K
July 17, 2026$206.67$206.67$206.67$206.67$206.671.16K
July 17, 2026$206.78$206.78$206.78$206.78$206.78154.00
July 17, 2026$207.07$207.07$206.79$206.79$206.79877.00
July 17, 2026$206.79$206.79$206.79$206.79$206.79775.00
July 17, 2026$206.79$206.79$206.79$206.79$206.79144.00
July 17, 2026$206.82$206.82$206.82$206.82$206.82325.00
July 17, 2026$206.79$206.79$206.79$206.79$206.79998.00
July 17, 2026$206.77$206.80$206.77$206.80$206.80
July 17, 2026$206.77$206.77$206.77$206.77$206.771.04K
July 17, 2026$206.86$206.86$206.73$206.73$206.732.00
July 17, 2026$207.20$207.20$206.76$206.89$206.892.10K
July 17, 2026$207.22$207.22$207.21$207.21$207.21623.00
July 17, 2026$207.23$207.41$207.23$207.41$207.4126.00
July 17, 2026$207.06$207.28$207.06$207.22$207.223.12K
July 17, 2026$206.96$206.96$206.96$206.96$206.96420.00
July 17, 2026$206.94$207.26$206.63$207.04$207.04267.00
July 17, 2026$207.12$207.28$206.94$206.94$206.94809.59
July 17, 2026$206.97$207.13$206.97$206.97$206.971.76K
July 17, 2026$207.22$207.22$206.92$206.92$206.928.00
July 17, 2026$207.12$207.12$207.12$207.12$207.121.92K
July 17, 2026$207.21$207.21$207.21$207.21$207.21780.00
July 17, 2026$207.37$207.37$207.24$207.24$207.24626.00
July 17, 2026$207.35$207.35$206.95$207.30$207.308.75K
July 17, 2026$207.15$207.20$207.14$207.14$207.142.10K
July 17, 2026$207.66$207.66$207.49$207.49$207.495.72K
July 17, 2026$207.84$207.84$207.84$207.84$207.841.00
July 17, 2026$207.85$207.85$207.74$207.74$207.742.08K
July 17, 2026$207.96$207.96$207.96$207.96$207.96428.00
July 17, 2026$207.86$207.86$207.84$207.84$207.841.12K
July 17, 2026$208.05$208.05$207.98$208.01$208.011.75K
July 17, 2026$208.32$208.35$208.13$208.16$208.16297.00
July 17, 2026$208.07$208.29$208.07$208.29$208.292.89K
July 17, 2026$207.99$207.99$207.83$207.83$207.8347.00
July 17, 2026$207.55$208.06$207.55$208.06$208.061.93K
July 17, 2026$207.55$207.55$207.55$207.55$207.555.00
July 17, 2026$207.57$207.57$207.57$207.57$207.57850.00
July 17, 2026$208.25$208.25$207.85$207.85$207.855.28K
July 17, 2026$208.52$208.52$208.36$208.36$208.367.44K
July 17, 2026$208.89$208.89$208.83$208.83$208.831.12K
July 17, 2026$209.31$209.31$209.05$209.18$209.18911.00
July 17, 2026$209.61$209.68$209.36$209.36$209.36246.06
July 17, 2026$209.41$209.64$209.41$209.64$209.643.16K
July 17, 2026$209.44$209.65$209.44$209.44$209.44122.33
July 17, 2026$209.45$209.45$209.45$209.45$209.453.00
July 17, 2026$209.43$209.66$209.43$209.66$209.66266.00
July 17, 2026$209.56$209.60$209.38$209.38$209.38346.00
July 17, 2026$209.55$209.60$209.55$209.60$209.601.37K
July 17, 2026$209.16$209.35$209.16$209.35$209.351.37K
July 17, 2026$209.32$209.39$209.32$209.36$209.361.16K
July 17, 2026$209.48$209.48$209.48$209.48$209.48885.00
July 17, 2026$209.67$209.89$209.67$209.74$209.744.49K
July 17, 2026$209.52$209.52$209.52$209.52$209.52244.00
July 17, 2026$209.57$209.63$209.57$209.63$209.63763.00
July 17, 2026$209.56$209.58$209.55$209.58$209.58402.00
July 17, 2026$209.74$209.74$209.67$209.74$209.7486.04
July 17, 2026$209.72$209.72$209.72$209.72$209.722.35K
July 17, 2026$209.91$209.91$209.91$209.91$209.912.00
July 17, 2026$209.82$209.82$209.82$209.82$209.82510.00
July 17, 2026$209.76$209.87$209.76$209.76$209.76153.42
July 17, 2026$209.95$209.95$209.90$209.93$209.932.62K
July 17, 2026$209.96$209.99$209.82$209.82$209.82399.00
July 17, 2026$209.99$210.30$209.97$210.30$210.30489.00
July 17, 2026$209.98$209.98$209.98$209.98$209.981.27K