NASDAQ · BIIB

Biogen Inc.

Healthcare · Drug Manufacturers - General

$225.71

Up+$7.28 (+3.33%)

Updated Oct 12, 2026, 4:56 AM

SID Score

6.7/10

Composite research score

Smart Money

56/100

Neutral

Price performance · BIIB

BIIB price history

1M range · 20 trading sessions · Daily adjusted prices

Prices through Oct 9, 2026

Daily close

View OHLC price history

BIIB OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 9, 2026	$220.62	$227.20	$219.225	$225.71	815.01K
Oct 8, 2026	$220.15	$223.085	$215.73	$218.43	1.34M
Oct 7, 2026	$222.93	$228.00	$221.40	$222.15	1.3M
Oct 6, 2026	$224.53	$225.97	$218.00	$222.89	1.01M
Oct 5, 2026	$219.90	$223.85	$218.22	$223.59	951.32K
Oct 2, 2026	$222.98	$224.08	$219.81	$219.88	780.43K
Oct 1, 2026	$225.50	$228.31	$222.50	$222.82	1.76M
Sep 30, 2026	$227.23	$229.36	$225.505	$225.88	1.55M
Sep 29, 2026	$227.02	$229.41	$224.45	$227.07	1.16M
Sep 28, 2026	$225.87	$230.49	$225.51	$228.69	1.33M
Sep 25, 2026	$228.27	$228.92	$223.76	$227.60	958.03K
Sep 24, 2026	$226.80	$228.72	$224.305	$226.36	1.03M
Sep 23, 2026	$226.94	$229.19	$222.355	$227.53	1.49M
Sep 22, 2026	$219.22	$226.43	$219.00	$225.36	1.11M
Sep 21, 2026	$216.14	$221.92	$214.59	$219.07	928.56K
Sep 18, 2026	$219.05	$220.17	$215.26	$215.50	2.64M
Sep 17, 2026	$217.68	$219.41	$215.33	$219.05	836.71K
Sep 16, 2026	$216.41	$218.29	$214.81	$216.01	606.49K
Sep 15, 2026	$216.71	$216.71	$213.54	$216.17	756.05K
Sep 14, 2026	$221.00	$222.245	$215.56	$217.36	629.93K