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Biogen Inc. logo

NASDAQ · BIIB

Biogen Inc.

Healthcare · Drug Manufacturers - General

$225.71

Up+$7.28 (+3.33%)

Updated Oct 12, 2026, 2:45 AM

SID Score

6.7/10

Composite research score

Smart Money

56/100

Neutral

Market cap
25.33B
P/E ratio
15.74
Dividend yield
0.00%
52-week range
$160.36 – $230.49
Volume
815.01K
Avg. volume
1.8M

Price performance · BIIB

BIIB price history

1M range · 20 trading sessions · Daily adjusted prices

Prices through Oct 9, 2026

BIIB closed at $225.71 after 20 trading sessions, up 3.84% for the selected period.

Last close
$225.71
Period change
+3.84%
Period low
$215.50
Period high
$228.69
Daily close
View OHLC price history
BIIB OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
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
Oct 2, 2026$222.98$224.08$219.81$219.88780.43K
Oct 1, 2026$225.50$228.31$222.50$222.821.76M
Sep 30, 2026$227.23$229.36$225.505$225.881.55M
Sep 29, 2026$227.02$229.41$224.45$227.071.16M
Sep 28, 2026$225.87$230.49$225.51$228.691.33M
Sep 25, 2026$228.27$228.92$223.76$227.60958.03K
Sep 24, 2026$226.80$228.72$224.305$226.361.03M
Sep 23, 2026$226.94$229.19$222.355$227.531.49M
Sep 22, 2026$219.22$226.43$219.00$225.361.11M
Sep 21, 2026$216.14$221.92$214.59$219.07928.56K
Sep 18, 2026$219.05$220.17$215.26$215.502.64M
Sep 17, 2026$217.68$219.41$215.33$219.05836.71K
Sep 16, 2026$216.41$218.29$214.81$216.01606.49K
Sep 15, 2026$216.71$216.71$213.54$216.17756.05K
Sep 14, 2026$221.00$222.245$215.56$217.36629.93K

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 9, 2026UBSBuy—
Oct 8, 2026RBC CapitalOutperform—
Sep 10, 2026HSBCReduce—
Sep 3, 2026Piper SandlerOverweight—
Aug 25, 2026RBC CapitalOutperform—
Open full forecast

News briefing

Generated Oct 11, 2026, 9:10 PM

Why Is BIIB Up Today?

Biogen shares gained 3.33% today, climbing $7.28 as UBS reiterated its confidence in the biotech company with a maintained Buy rating and an elevated price target. The analyst upgrade signals continued optimism about Biogen's pipeline and commercial prospects, providing a tailwind for the stock in an otherwise volatile biotech sector.

    Bottom line: Biogen's 3.33% gain reflects renewed analyst support from UBS with an attractive $270 price target, signaling institutional confidence in the company's value proposition. Investors should monitor upcoming pipeline catalysts and commercial execution while remaining mindful of competitive headwinds and the broader biotech market environment that could influence near-term volatility.

    AI research layers

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

    No results

    AI research layers have not been published yet.