Biogen Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Mar 30, 2026	186.16	190.09	185.54	187.57	187.57	2.03%	799,071
Mar 27, 2026	191.06	191.06	183.01	183.84	183.84	-3.78%	934,949
Mar 26, 2026	189.00	192.28	188.36	191.06	191.06	0.99%	879,043
Mar 25, 2026	184.91	189.38	184.91	189.18	189.18	2.85%	775,027
Mar 24, 2026	182.63	184.84	180.33	183.94	183.94	0.16%	636,241
Mar 23, 2026	183.48	185.00	183.00	183.64	183.64	1.20%	998,056
Mar 20, 2026	181.46	181.46	181.46	181.46	181.46	-1.06%	1,532,554
Mar 19, 2026	182.18	185.45	181.68	183.41	183.41	0.60%	768,646
Mar 18, 2026	184.13	184.32	180.48	182.31	182.31	-1.61%	846,255
Mar 17, 2026	184.73	186.52	183.20	185.29	185.29	1.11%	810,219
Mar 16, 2026	182.75	184.62	181.88	183.26	183.26	0.94%	995,911
Mar 13, 2026	185.99	188.00	181.46	181.55	181.55	-1.81%	1,092,301
Mar 12, 2026	187.86	188.91	184.63	184.90	184.90	-2.93%	851,563
Mar 11, 2026	187.54	192.99	187.54	190.48	190.48	1.10%	864,392
Mar 10, 2026	187.69	190.78	187.02	188.41	188.41	0.09%	687,662
Mar 9, 2026	183.91	188.50	182.60	188.24	188.24	1.82%	651,626
Mar 6, 2026	186.25	186.25	181.24	184.87	184.87	-1.71%	772,906
Mar 5, 2026	187.97	190.99	185.95	188.08	188.08	-0.98%	893,331
Mar 4, 2026	185.06	190.37	183.16	189.94	189.94	3.22%	952,927
Mar 3, 2026	185.01	187.05	181.79	184.02	184.02	-2.14%	1,049,925
Mar 2, 2026	190.22	190.75	186.72	188.05	188.05	-1.97%	691,597
Feb 27, 2026	187.51	192.46	186.62	191.82	191.82	2.02%	1,402,201
Feb 26, 2026	190.30	190.74	185.90	188.02	188.02	-1.42%	988,117
Feb 25, 2026	194.23	196.73	189.89	190.73	190.73	-2.25%	942,723
Feb 24, 2026	196.03	198.72	194.43	195.13	195.13	-0.62%	716,382
Feb 23, 2026	191.82	197.05	189.11	196.34	196.34	2.24%	878,939
Feb 20, 2026	190.78	192.60	189.95	192.03	192.03	-0.03%	799,225
Feb 19, 2026	193.51	195.00	191.05	192.08	192.08	-1.06%	993,273
Feb 18, 2026	195.32	195.68	193.11	194.13	194.13	-0.76%	1,049,036
Feb 17, 2026	197.46	200.29	193.37	195.62	195.62	-0.46%	986,535
Feb 13, 2026	196.27	199.50	195.52	196.52	196.52	0.52%	1,352,792
Feb 12, 2026	190.15	196.00	189.00	195.50	195.50	2.25%	1,657,480
Feb 11, 2026	188.35	192.00	187.20	191.20	191.20	1.17%	996,929
Feb 10, 2026	194.07	195.72	188.74	188.99	188.99	-2.49%	1,836,221
Feb 9, 2026	199.83	201.00	191.88	193.81	193.81	-3.66%	2,096,252
Feb 6, 2026	187.01	202.41	184.60	201.18	201.18	8.53%	3,404,876
Feb 5, 2026	184.87	187.73	184.54	185.36	185.36	-0.05%	2,542,641
Feb 4, 2026	177.25	186.24	177.10	185.45	185.45	4.92%	2,076,363
Feb 3, 2026	177.79	182.67	176.19	176.76	176.76	-1.30%	1,594,142
Feb 2, 2026	179.30	180.76	177.58	179.09	179.09	-0.44%	1,288,816
Jan 30, 2026	177.09	180.14	175.96	179.89	179.89	2.11%	1,487,978
Jan 29, 2026	174.88	177.20	173.51	176.18	176.18	0.77%	1,146,709
Jan 28, 2026	173.63	175.06	170.85	174.83	174.83	0.41%	1,304,662
Jan 27, 2026	173.02	176.14	172.23	174.12	174.12	0.58%	748,078
Jan 26, 2026	171.67	174.31	170.59	173.12	173.12	0.89%	1,049,188
Jan 23, 2026	173.17	173.90	170.04	171.59	171.59	-1.27%	1,250,463
Jan 22, 2026	171.78	175.29	171.65	173.80	173.80	0.68%	996,425
Jan 21, 2026	165.31	172.87	165.31	172.62	172.62	4.38%	1,447,089
Jan 20, 2026	161.51	165.61	160.37	165.38	165.38	0.58%	1,879,947
Jan 16, 2026	168.87	169.34	163.74	164.42	164.42	-2.46%	1,816,538