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Biogen Inc. logo

NASDAQ · BIIB

Biogen Inc.

Healthcare · Drug Manufacturers - General

$216.17

Down-$1.19 (-0.55%)

Updated Sep 16, 2026, 4:38 AM

SID Score

7.0/10

Composite research score

Smart Money

62/100

Neutral

Market cap
25.33B
P/E ratio
15.74
Dividend yield
0.00%
52-week range
$160.36 – $225.80
Volume
756.05K
Avg. volume
1.8M

Price performance

BIIB price history

1M range · 20 trading sessions · Daily adjusted prices

BIIB closed at $216.17 after 20 trading sessions, up 1.70% for the selected period.

Last close
$216.17
Period change
+1.70%
Period low
$210.73
Period high
$224.51
Daily close
View OHLC price history
BIIB OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Sep 15, 2026$216.71$216.71$213.54$216.17756.05K
Sep 14, 2026$221.00$222.245$215.56$217.36629.93K
Sep 11, 2026$216.75$219.76$214.7125$217.151.08M
Sep 10, 2026$209.92$216.70$208.9279$215.43936.64K
Sep 9, 2026$210.50$213.48$209.00$210.73694.67K
Sep 8, 2026$215.45$217.2803$210.54$212.50617.83K
Sep 4, 2026$221.15$223.82$219.82$220.83465.11K
Sep 3, 2026$225.44$225.80$221.23$224.51550.75K
Sep 2, 2026$218.20$225.59$216.97$222.671.27M
Sep 1, 2026$218.11$219.30$213.60$216.04785.5K
Aug 31, 2026$216.47$218.89$213.58$216.65831K
Aug 28, 2026$221.17$222.00$216.78$218.50517.48K
Aug 27, 2026$219.39$222.11$217.53$221.50497.52K
Aug 26, 2026$219.34$222.00$218.6907$221.07647.33K
Aug 25, 2026$218.93$222.85$218.00$220.77495.44K
Aug 24, 2026$216.40$218.50$213.96$218.12649.83K
Aug 21, 2026$217.76$219.12$215.00$216.78722.35K
Aug 20, 2026$217.98$221.29$214.16$214.35808.63K
Aug 19, 2026$215.33$222.15$215.075$221.56886.91K
Aug 18, 2026$211.00$214.065$210.01$212.55694.01K

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
Sep 10, 2026HSBCReduce
Sep 3, 2026Piper SandlerOverweight
Aug 25, 2026RBC CapitalOutperform
Aug 13, 2026Wolfe ResearchOutperform
Aug 4, 2026MizuhoOutperform
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News briefing

No generated briefing is available yet.

Yahoo · Sep 8, 2026

Register Now: Limited Seating Remains for HMG Strategy’s Sept. 10 Boston C-Level Technology Leadership Summit

FAIRFIELD, Conn., Sept. 08, 2026 (GLOBE NEWSWIRE) -- With just two days remaining before registration closes for HMG Strategy's 18th Annual Boston C-Level Technology Leadership Summit, qualified technology executives are encouraged to secure their seats now while limited seating remains available. The September 10 summit at The Harvard Club of Boston will bring together CIOs, CISOs, CTOs, Chief Digital Officers, Chief AI Officers and other senior technology leaders to discuss AI governance, Agen

AI research layers

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

No results

AI research layers have not been published yet.