Biogen Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 13, 2026	199.33	205.97	198.86	204.53	204.53	2.59%	1,271,893
May 12, 2026	198.47	202.40	196.47	199.36	199.36	0.71%	1,145,301
May 11, 2026	194.76	200.31	194.75	197.95	197.95	2.33%	1,565,605
May 8, 2026	189.68	195.20	189.50	193.45	193.45	1.08%	879,891
May 7, 2026	190.34	192.10	188.86	191.38	191.38	0.37%	733,249
May 6, 2026	189.13	191.17	188.30	190.68	190.68	0.82%	716,852
May 5, 2026	187.38	189.69	186.00	189.13	189.13	1.03%	463,609
May 4, 2026	186.28	187.51	185.44	187.21	187.21	0.08%	626,557
May 1, 2026	189.28	190.57	186.14	187.06	187.06	-1.17%	696,470
Apr 30, 2026	194.02	195.98	187.16	189.28	189.28	-2.62%	1,528,060
Apr 29, 2026	183.12	195.89	180.18	194.38	194.38	6.00%	2,453,584
Apr 28, 2026	182.45	184.41	181.89	183.38	183.38	1.50%	1,235,813
Apr 27, 2026	183.16	186.15	179.15	180.67	180.67	-2.01%	1,101,370
Apr 24, 2026	186.65	186.65	183.17	184.38	184.38	-1.86%	723,366
Apr 23, 2026	189.46	190.32	187.01	187.88	187.88	-1.15%	816,281
Apr 22, 2026	189.31	192.75	188.67	190.07	190.07	2.22%	1,328,297
Apr 21, 2026	184.52	187.74	181.75	185.95	185.95	1.42%	1,063,303
Apr 20, 2026	179.54	184.26	178.72	183.34	183.34	3.38%	1,484,371
Apr 17, 2026	176.29	178.41	175.69	177.35	177.35	0.76%	1,239,458
Apr 16, 2026	178.82	179.99	174.85	176.02	176.02	-2.50%	953,722
Apr 15, 2026	179.36	180.87	177.70	180.54	180.54	0.88%	1,168,801
Apr 14, 2026	177.71	181.77	177.45	178.96	178.96	1.47%	1,550,580
Apr 13, 2026	172.62	176.79	171.22	176.37	176.37	1.96%	1,414,958
Apr 10, 2026	177.97	177.97	172.32	172.97	172.97	-2.34%	1,501,979
Apr 9, 2026	177.81	180.06	174.97	177.11	177.11	-1.55%	1,266,491
Apr 8, 2026	178.24	180.24	176.35	179.90	179.90	2.44%	1,289,686
Apr 7, 2026	172.20	175.64	170.43	175.61	175.61	1.90%	1,515,806
Apr 6, 2026	177.00	177.39	168.64	172.34	172.34	-2.82%	2,149,104
Apr 2, 2026	181.46	182.23	176.39	177.34	177.34	-3.50%	1,339,297
Apr 1, 2026	183.16	186.31	181.71	183.78	183.78	0.25%	1,390,216
Mar 31, 2026	179.46	184.68	171.37	183.33	183.33	-2.26%	2,719,977
Mar 30, 2026	186.16	190.09	185.51	187.57	187.57	2.03%	799,935
Mar 27, 2026	191.06	191.06	183.01	183.84	183.84	-3.78%	935,104
Mar 26, 2026	189.00	192.28	188.36	191.06	191.06	0.99%	879,198
Mar 25, 2026	184.91	189.38	184.91	189.18	189.18	2.85%	775,195
Mar 24, 2026	182.63	184.84	180.33	183.94	183.94	0.16%	644,275
Mar 23, 2026	183.48	185.00	183.00	183.64	183.64	1.20%	1,011,752
Mar 20, 2026	183.13	183.69	180.47	181.46	181.46	-1.06%	2,214,268
Mar 19, 2026	182.18	185.45	181.68	183.41	183.41	0.60%	768,649
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