Biogen Inc. (BIIB) NASDAQ

Currency In USD

BIIB Historical Return

If you invested $1000 in Biogen Inc. (BIIB) 10 years ago, it would be worth $820.18 as of June 16, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $507.63, while $1000 invested 1 year ago would be worth $1,515.87. This corresponds to total returns of -17.98%, -49.24%, 51.59%, respectively, with annualized returns of -1.96%, -12.67%, 51.59%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

BIIB Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 15, 2026	198.37	198.64	198.64	199.37	195.89	877,518
June 12, 2026	200.57	200.05	200.05	203.45	199.06	837,285
June 11, 2026	195.49	199.96	199.96	201.18	194.24	909,629
June 10, 2026	200.21	194.24	194.24	201.94	194.1	1.07M
June 09, 2026	195.51	199.1	199.1	199.63	193.45	922,061
June 08, 2026	197.25	192.62	192.62	198.7	192.18	1.11M
June 05, 2026	196.45	195.34	195.34	200.66	195.14	880,127
June 04, 2026	198	196.45	196.45	199.9	196.35	718,925
June 03, 2026	187.69	195.96	195.96	196.36	187.48	876,834
June 02, 2026	190.09	188.83	188.83	190.58	184.9	964,377
June 01, 2026	194.5	192.23	192.23	195.28	191.67	841,494
May 29, 2026	195.55	196	196	198.46	195.11	1.86M
May 28, 2026	196.97	196.39	196.39	198	194.5	555,954
May 27, 2026	194.11	196.97	196.97	199.8	194.11	893,034
May 26, 2026	194.3	193.08	193.08	195.5	192.27	930,137
May 22, 2026	190.53	193.76	193.76	194.75	190.01	892,907
May 21, 2026	187.4	189.47	189.47	190.27	185.85	1.47M
May 20, 2026	191.41	187.8	187.8	193.38	186.37	919,583
May 19, 2026	191.72	190.56	190.56	193.03	188.64	1.05M
May 18, 2026	191.25	191.91	191.91	193.37	189.19	1.05M
May 15, 2026	191.83	192.95	192.95	194.89	190.66	1.25M
May 14, 2026	200.25	191.37	191.37	205	189.49	2.81M
May 13, 2026	199.33	204.53	204.53	205.97	198.9	1.23M
May 12, 2026	198.47	199.36	199.36	202.4	196.47	1.15M
May 11, 2026	194.76	197.95	197.95	200.31	194.75	1.57M
May 08, 2026	189.68	193.45	193.45	195.2	189.5	862,815
May 07, 2026	190.34	191.38	191.38	192.1	188.86	733,398
May 06, 2026	189.13	190.68	190.68	191.17	188.3	740,794
May 05, 2026	187.38	189.13	189.13	189.69	186	463,610
May 04, 2026	186.28	187.21	187.21	187.51	185.44	626,557
May 01, 2026	189.28	187.06	187.06	190.57	186.17	680,856
April 30, 2026	194.02	189.28	189.28	195.98	187.16	1.53M
April 29, 2026	183.12	194.38	194.38	195.89	180.18	2.45M
April 28, 2026	182.45	183.38	183.38	184.41	181.89	1.24M
April 27, 2026	183.16	180.67	180.67	186.15	179.15	1.1M
April 24, 2026	186.65	184.38	184.38	186.65	183.17	722,998
April 23, 2026	189.46	187.88	187.88	190.32	187.01	816,060
April 22, 2026	189.31	190.07	190.07	192.75	188.67	1.33M
April 21, 2026	184.52	185.95	185.95	187.74	181.75	1.06M
April 20, 2026	179.54	183.34	183.34	184.26	178.72	1.48M
April 17, 2026	176.29	177.35	177.35	178.41	175.69	1.24M
April 16, 2026	178.82	176.02	176.02	179.99	174.85	937,563
April 15, 2026	179.36	180.54	180.54	180.87	177.7	1.15M
April 14, 2026	177.71	178.96	178.96	181.77	177.45	1.55M
April 13, 2026	172.62	176.37	176.37	176.79	171.22	1.41M
April 10, 2026	177.97	172.97	172.97	177.97	172.32	1.5M
April 09, 2026	177.81	177.11	177.11	180.06	174.97	1.27M
April 08, 2026	178.24	179.9	179.9	180.24	176.35	1.29M
April 07, 2026	172.2	175.61	175.61	175.64	170.43	1.52M
April 06, 2026	177	172.34	172.34	177.39	168.64	2.12M
April 02, 2026	181.46	177.34	177.34	182.23	176.39	1.34M
April 01, 2026	183.17	183.78	183.78	186.31	181.71	1.35M
March 31, 2026	179.46	183.33	183.33	184.57	171.37	2.64M
March 30, 2026	186.16	187.57	187.57	190.09	185.54	799,099
March 27, 2026	191.06	183.84	183.84	191.06	183.03	901,208
March 26, 2026	189	191.06	191.06	192.28	188.36	879,045
March 25, 2026	184.91	189.18	189.18	189.38	184.91	775,062
March 24, 2026	182.63	183.94	183.94	184.84	180.33	636,241
March 23, 2026	183.48	183.64	183.64	185	183	998,058
March 20, 2026	183.13	181.46	181.46	183.69	180.47	2.17M