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Biogen Inc. logo

NASDAQ · BIIB

Biogen Inc.

Healthcare · Drug Manufacturers - General

$253.62

Up+$3.97 (+1.59%)

Updated Nov 2, 2026, 10:01 AM

SID Score

7.1/10

Composite research score

Smart Money

52/100

Neutral

Market cap
25.33B
P/E ratio
15.74
Dividend yield
0.00%
52-week range
$160.36 – $258.78
Volume
1.3M
Avg. volume
1.8M

Price performance · BIIB

BIIB price history

1M range · 20 trading sessions · Daily adjusted prices

Prices through Oct 30, 2026

BIIB closed at $253.62 after 20 trading sessions, up 13.43% for the selected period.

Last close
$253.62
Period change
+13.43%
Period low
$218.43
Period high
$253.84
Daily close
View OHLC price history
BIIB OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Oct 30, 2026$255.39$258.73$251.1907$253.621.3M
Oct 29, 2026$250.15$255.55$246.48$249.651.16M
Oct 28, 2026$244.93$258.78$243.03$244.052.49M
Oct 27, 2026$250.35$253.98$248.46$252.731.39M
Oct 26, 2026$251.02$254.11$249.61$252.26958.85K
Oct 23, 2026$251.68$252.44$246.15$250.691.16M
Oct 22, 2026$240.61$254.41$240.02$253.842.24M
Oct 21, 2026$242.02$243.32$240.13$240.98812.9K
Oct 20, 2026$236.79$244.65$235.955$243.101.49M
Oct 19, 2026$231.81$236.00$231.0392$233.48949.72K
Oct 16, 2026$235.75$236.87$232.36$232.651.46M
Oct 15, 2026$236.46$240.99$235.215$235.351.57M
Oct 14, 2026$228.99$234.20$228.00$232.831.95M
Oct 13, 2026$230.34$231.035$226.71$228.901.05M
Oct 12, 2026$233.98$238.24$229.00$229.411.46M
Oct 9, 2026$220.62$227.20$219.225$225.71815.01K
Oct 8, 2026$220.15$223.085$215.73$218.431.34M
Oct 7, 2026$222.93$228.00$221.40$222.151.3M
Oct 6, 2026$224.53$225.97$218.00$222.891.01M
Oct 5, 2026$219.90$223.85$218.22$223.59951.32K

Latest BIIB news

The latest Smart Investors Daily articles mentioning BIIB.

BIIB research

Overview

Company profile and research snapshot.

Company profile

Biogen is an established biopharmaceutical company focused on treatments for neurological diseases and rare diseases. Its declining multiple sclerosis franchise is its largest revenue generator and contributed 45% of total revenue in 2024. Biogen also generates significant revenue from its CD20 collaboration agreements with Roche (18% of total in 2024), which includes oncology drugs Rituxan and Gazyva and multiple sclerosis drug Ocrevus. Biogen's newer franchises include Spinraza (spinal muscular atrophy, with partner Ionis), Leqembi (Alzheimer's disease, collabroation revenue from its partner Eisai), Skyclarys (Friedreich's ataxia, Reata), Zurzuvae (postpartum depression, Sage), and Qalsody (amyotrophic lateral sclerosis, Ionis).

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Analyst outlook

Consensus and target data currently published for this company.

Consensus
—
Average target
$177.00
Implied upside
—
Analysts
—
BIIB recent ratings
DateFirmRatingTarget
Oct 29, 2026Argus ResearchBuy—
Oct 29, 2026Canaccord GenuityBuy—
Oct 29, 2026TD CowenBuy—
Oct 29, 2026UBSBuy—
Oct 29, 2026Morgan StanleyEqual-Weight—
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News briefing

No generated briefing is available yet.

AI research layers

Interpretive context generated from the platform’s current data sources.

No results

AI research layers have not been published yet.