Biogen Inc.

Biogen Inc. (BIIB) Stock Analysis

$244.050

-8.371 (-3.43%)At close

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High
258.780
Open
244.930
VWAP
248.62
Volume
2.49M
Mkt Cap
33.30B
Low
243.030
Amount
619.81M
EV/EBITDA, TTM
12.62

Biogen Inc. is a biotechnology company. The Company is focused on discovering, developing and delivering therapies. It has a portfolio of medicines to treat Multiple Sclerosis (MS), has introduced an approved treatment for Spinal Muscular Atrophy (SMA), co-developed treatments to address a defining pathology of Alzheimer's disease and launched an approved treatment to target a genetic cause of Amyotrophic Lateral Sclerosis (ALS). It markets a drug approved in United States, European Union and certain international markets for the treatment of Friedreich Ataxia (FA) in adults and adolescents aged 16 years and older. It is focused on advancing its pipeline in neurology, specialized immunology and rare diseases. Its marketed products include VUMERITY, TYSABRI, TECFIDERA, AVONEX and PLEGRIDY for the treatment of MS; SPINRAZA for the treatment of SMA; SKYCLARYS for the treatment of FA, and QALSODY for the treatment of ALS. Its commercialized products also include EMPAVELI and SYFOVRE.

AI analysis of Biogen Inc. (BIIB)

Buy

Biogen Inc is a good buy right now due to its current price of $250.69, which is below the analyst price target of $300, indicating a potential upside of 19.5%. Additionally, the stock has shown a strong 1-year change of +66.65%, reflecting solid performance over the past year. However, investors should be cautious of the insider selling activity, which has increased by 864.10% over the last month, indicating potential concerns from insiders.

Analyst Ratings (32)

-16.23% Downside
Buy
21 Buy
11 Hold
0 Sell
Current: 244.05
Low
143.00
Average
204.45
High
246.00

Barclays

2026-10-28

Price Target

$230

Equal Weight

Citi

2026-10-28

Price Target

$255

Neutral

JPMorgan

2026-10-28

Price Target

$325

Overweight

BMO Capital

2026-10-12

Price Target

$220

Market Perform

JPMorgan

2026-10-12

Price Target

$300

Overweight

Valuation Metrics

The current forward P/E ratio for Biogen Inc. (BIIB) is 15.38, compared to its 5-year average forward P/E of 13.61.

Forward P/E

Fair
5Y Average P/E
13.61
Current P/E
15.38
Overvalued
16.87
Undervalued
10.36

Forward EV/EBITDA

Overvalued
5Y Average EV/EBITDA
10.13
Current EV/EBITDA
12.62
Overvalued
12.17
Undervalued
8.09

Forward P/S

Fair
5Y Average P/S
3.19
Current P/S
3.50
Overvalued
3.89
Undervalued
2.49

Alphio AI Price Scenarios for BIIB

Scenario prices are the last monthly forecast band of the current year. Probabilities are fixed model weights (25 / 50 / 25), not guarantees.

B

Bull

Bull · 25%BIIB

$140.81

Scenario price

B

Base

Base · 50%BIIB

$110.77

Scenario price

B

Bear

Bear · 25%BIIB

$110.12

Scenario price

Whales holding BIIB

J

Joel R. Mogy Investment Counsel Inc.

+ HoldingBIIB

+5.03%

3M Return

P

PRIMECAP Management Company

+ HoldingBIIB

+4.24%

3M Return

A

Adams Diversified Equity Fund, Inc.

+ HoldingBIIB

+3.39%

3M Return

F

Farallon Capital Management, L.L.C.

+ HoldingBIIB

+3.21%

3M Return

P

Pictet Asset Management (Europe) S.A.

+ HoldingBIIB

+1.68%

3M Return

C

Cohen & Steers Europe SPRL

+ HoldingBIIB

+0.82%

3M Return

Events Timeline

2026-10-28 (ET)

09:03:00

Investors Await Fed Rate Decision and Earnings Reports

06:30:00

Biogen Expects Mid-Single Digit Revenue Growth for 2026

06:30:00

Company Expects to Announce TOPAZ-1 and TOPAZ-2 Study Data in December 2026

06:30:00

Biogen Q3 Results Show Growth, Growth Products Up Approximately 50% YoY

06:30:00

Q3 Revenue Reaches $2.8B, Exceeds Consensus

News

BIIB FAQ — answered by Alphio AI

Biogen Inc. is a biotechnology company. The Company is focused on discovering, developing and delivering therapies. It has a portfolio of medicines to treat Multiple Sclerosis (MS), has introduced an approved treatment for Spinal Muscular Atrophy (SMA), co-developed treatments to address a defining pathology of Alzheimer's disease and launched an approved treatment to target a genetic cause of Amyotrophic Lateral Sclerosis (ALS). It markets a drug approved in United States, European Union and certain international markets for the treatment of Friedreich Ataxia (FA) in adults and adolescents aged 16 years and older. It is focused on advancing its pipeline in neurology, specialized immunology and rare diseases. Its marketed products include VUMERITY, TYSABRI, TECFIDERA, AVONEX and PLEGRIDY for the treatment of MS; SPINRAZA for the treatment of SMA; SKYCLARYS for the treatment of FA, and QALSODY for the treatment of ALS. Its commercialized products also include EMPAVELI and SYFOVRE. It operates in the Healthcare sector (BIOLOGICAL PRODUCTS, (NO DISGNOSTIC SUBSTANCES) industry).

Biogen Inc is a good buy right now due to its current price of $250.69, which is below the analyst price target of $300, indicating a potential upside of 19.5%. Additionally, the stock has shown a strong 1-year change of +66.65%, reflecting solid performance over the past year. However, investors should be cautious of the insider selling activity, which has increased by 864.10% over the last month, indicating potential concerns from insiders.

32 analysts cover BIIB: 21 rate it Buy, 11 Hold and 0 Sell. The average price target is 204.45.

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This page is for research only and is not investment advice. Models can be wrong. Past performance does not guarantee future results.

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