Biogen (BIIB) Price: 219.88

Biogen, Inc. (BIIB)

219.88 -2.94 (-1.32%) USD | NASDAQ | Oct 02, 16:00

219.10 -0.78 (-0.35%) After-Hours: 20:00

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Historical Price Data

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Date	Open	High	Low	Close	Volume
Oct 02, 2026	222.98	224.08	219.81	219.88	780428.0
Oct 01, 2026	225.50	228.31	222.50	222.82	1.755M
Sep 30, 2026	227.23	229.36	225.50	225.88	1.553M
Sep 29, 2026	227.02	229.41	224.45	227.07	1.161M
Sep 28, 2026	225.87	230.49	225.51	228.69	1.332M
Sep 25, 2026	228.27	228.92	223.76	227.60	958031.0
Sep 24, 2026	226.80	228.72	224.30	226.36	1.035M
Sep 23, 2026	226.94	229.19	222.36	227.53	1.494M
Sep 22, 2026	219.22	226.43	219.00	225.36	1.112M
Sep 21, 2026	216.14	221.92	214.59	219.07	928562.0
Sep 18, 2026	219.05	220.17	215.26	215.50	2.636M
Sep 17, 2026	217.68	219.41	215.33	219.05	836707.0
Sep 16, 2026	216.41	218.29	214.81	216.01	606493.0
Sep 15, 2026	216.71	216.71	213.54	216.17	756047.0
Sep 14, 2026	221.00	222.24	215.56	217.36	629931.0
Sep 11, 2026	216.75	219.76	214.71	217.15	1.076M
Sep 10, 2026	209.92	216.70	208.93	215.43	936643.0
Sep 09, 2026	210.50	213.48	209.00	210.73	694669.0
Sep 08, 2026	215.45	217.28	210.54	212.50	617829.0
Sep 04, 2026	221.15	223.82	219.82	220.83	465108.0
Sep 03, 2026	225.44	225.80	221.23	224.51	550745.0
Sep 02, 2026	218.20	225.59	216.97	222.67	1.268M
Sep 01, 2026	218.11	219.30	213.60	216.04	785497.0
Aug 31, 2026	216.47	218.89	213.58	216.65	831004.0
Aug 28, 2026	221.17	222.00	216.78	218.50	517485.0

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