Biogen Inc. - BIIB - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
July 29, 2025	128.54	127.9	127.9	129.26	127.6	1.11M
July 28, 2025	131.35	129.28	129.28	131.85	128.43	1.05M
July 25, 2025	133.05	131.52	131.52	133.05	130.13	967,511
July 24, 2025	130.78	132.59	132.59	132.65	130	1.28M
July 23, 2025	129.44	130.98	130.98	131.25	128.36	1.13M
July 22, 2025	123.38	127.85	127.85	127.94	123.38	1.32M
July 21, 2025	124.98	122.68	122.68	125.42	121.05	1.4M
July 18, 2025	129.37	124.99	124.99	129.58	124.68	1.51M
July 17, 2025	128.18	128.69	128.69	129.21	127.31	1.15M
July 16, 2025	128.5	128.46	128.46	129.51	127.42	1.23M
July 15, 2025	132.96	127.5	127.5	133.36	127.47	1.32M
July 14, 2025	133.56	133.11	133.11	134.21	132.4	694,328
July 11, 2025	133.49	134.21	134.21	134.59	132.37	1.14M
July 10, 2025	133.45	135.33	135.33	137.19	132.77	992,049
July 09, 2025	134.56	133.02	133.02	137.84	132.22	1.53M
July 08, 2025	130.32	134.46	134.46	135.58	130.32	1.35M
July 07, 2025	132.1	130.13	130.13	133.2	129.08	1.07M
July 03, 2025	133.49	132.87	132.87	134.42	132.21	633,328
July 02, 2025	130	133.19	133.19	134.63	129.85	1.47M
July 01, 2025	124.94	130.07	130.07	134.75	124.94	1.92M
June 30, 2025	126.3	125.59	125.59	126.53	123.9	1.18M
June 27, 2025	127.2	126.08	126.08	128.25	125.6	1.1M
June 26, 2025	127.89	126.92	126.92	129.27	126.46	864,951
June 25, 2025	126.3	127.31	127.31	127.98	125.13	1.1M
June 24, 2025	125.57	126.31	126.31	127.36	125.02	938,208
June 23, 2025	126.9	124.76	124.76	127.68	123.21	1.19M
June 20, 2025	127.96	127.04	127.04	128.64	126.12	2.17M
June 18, 2025	127.06	126.54	126.54	127.88	125.24	2.33M
June 17, 2025	130.27	126.56	126.56	130.7	126.49	1.15M
June 16, 2025	131.49	131.04	131.04	131.58	128.83	1.11M
June 13, 2025	130.87	130.65	130.65	132.49	130.1	1.21M
June 12, 2025	132.93	132.31	132.31	134.12	131.47	1.15M
June 11, 2025	135.9	133.06	133.06	136.41	132.9	1.33M
June 10, 2025	134.25	135.49	135.49	136.84	133.42	991,129
June 09, 2025	134.06	134.15	134.15	135.69	132.93	1.08M
June 06, 2025	131.55	133.13	133.13	133.72	131.45	1.17M
June 05, 2025	131.87	130.36	130.36	132.12	129.61	1.24M
June 04, 2025	132.45	131.86	131.86	133.66	131.67	1.47M
June 03, 2025	130.77	131.84	131.84	134.74	129.51	1.83M
June 02, 2025	129.59	131.14	131.14	131.85	128.07	1.87M
May 30, 2025	132.59	129.79	129.79	132.59	129.62	3.64M
May 29, 2025	128.1	132.75	132.75	132.94	127.53	1.96M
May 28, 2025	128.12	127.53	127.53	129.9	126.87	1.56M
May 27, 2025	126.97	128.39	128.39	129.36	125.89	1.58M
May 23, 2025	124.29	125.81	125.81	126.19	123.97	816,741
May 22, 2025	126.55	126.3	126.3	127.07	125.35	937,041
May 21, 2025	129.7	126.82	126.82	130.07	126.28	1.54M
May 20, 2025	129.04	130.55	130.55	131.13	128.82	1.66M
May 19, 2025	126.25	129.44	129.44	129.56	124.93	2.39M
May 16, 2025	123.7	125.59	125.59	125.77	122.46	1.8M
May 15, 2025	121.16	123.7	123.7	123.72	119.18	1.95M
May 14, 2025	123.38	120.37	120.37	123.74	120.04	1.5M
May 13, 2025	124.01	123.16	123.16	124.4	121.6	1.72M
May 12, 2025	119.63	124.4	124.4	124.82	119.46	2.55M
May 09, 2025	118.75	118.17	118.17	120.11	118.05	1.31M
May 08, 2025	115.85	118.39	118.39	119.87	115.25	1.85M
May 07, 2025	117.73	117.21	117.21	118	116.22	1.67M
May 06, 2025	121.53	116.82	116.82	121.81	115.86	1.74M
May 05, 2025	123.33	121.8	121.8	123.53	121.51	1.1M
May 02, 2025	122.41	123.53	123.53	123.72	120.91	1.46M

Biogen Inc. (BIIB) NASDAQ