NASDAQ · BIIB

Biogen Inc.

Healthcare · Drug Manufacturers - General

$218.50

Down-$0.19 (-0.09%)

Updated Aug 31, 2026, 4:23 PM

SID Score

6.7/10

Composite research score

Smart Money

58/100

Neutral

Price performance

BIIB price history

1M range · 20 trading sessions · Daily adjusted prices

Daily close

View OHLC price history

BIIB OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Aug 28, 2026	$221.17	$222.00	$216.78	$218.50	517.48K
Aug 27, 2026	$219.39	$222.11	$217.53	$221.50	497.52K
Aug 26, 2026	$219.34	$222.00	$218.6907	$221.07	647.33K
Aug 25, 2026	$218.93	$222.85	$218.00	$220.77	495.44K
Aug 24, 2026	$216.40	$218.50	$213.96	$218.12	649.83K
Aug 21, 2026	$217.76	$219.12	$215.00	$216.78	722.35K
Aug 20, 2026	$217.98	$221.29	$214.16	$214.35	808.63K
Aug 19, 2026	$215.33	$222.15	$215.075	$221.56	886.91K
Aug 18, 2026	$211.00	$214.065	$210.01	$212.55	694.01K
Aug 17, 2026	$208.36	$210.49	$207.62	$209.15	617.24K
Aug 14, 2026	$210.01	$210.79	$208.22	$209.83	554.82K
Aug 13, 2026	$212.98	$215.605	$208.79	$210.65	860.09K
Aug 12, 2026	$203.52	$209.22	$201.00	$208.87	789.44K
Aug 11, 2026	$206.63	$207.57	$203.53	$203.89	936.83K
Aug 10, 2026	$206.70	$210.02	$206.29	$207.13	706.43K
Aug 7, 2026	$207.38	$208.31	$204.16	$207.94	840.57K
Aug 6, 2026	$208.75	$209.03	$202.03	$206.28	892.77K
Aug 5, 2026	$210.60	$212.18	$205.80	$206.63	873.78K
Aug 4, 2026	$200.96	$209.74	$199.9301	$208.45	1.21M
Aug 3, 2026	$203.34	$203.85	$199.58	$201.82	940.99K