Inside the research

Biogen Inc.

BIIB Research profile · latest available data

Price overview

$227.60

▲ +1.24 (+0.5%)

52w hi$227.60
52w lo$135.67
Vol958.00K
As of25 Sep 2026

The Verdict

Hold

Our score +0.08

Short+0.12
Medium+0.15
Long-0.16

computed 2026-09-27

Key fundamentals

Biogen Inc.

Healthcare · Drug Manufacturers - General

Market cap$33.63B
Enterprise value$40.70B
Trailing P/E40.50x
Forward P/E13.76x
EV / EBITDA12.12x
P / S (ttm)3.35x
Profit margin8.3%
Return on equity4.6%
Revenue growth+3.4%
Earnings growth-84.8%
Debt / equity44.33

Layer Breakdown

LayerRawContribution
Fundamental+0.06
Sector+0.08
Technical+0.06
Earnings+0.00
Sentiment+0.02

macro × 1.00 · 2026-09-27

Business overview

Biogen Inc. discovers, develops, manufactures, and delivers therapies in the United States, Europe, Germany, Asia, and internationally. The company provides TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, and TYSABRI for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; SKYCLARYS to treat Friedreich's Ataxia; QALSODY for treating amyotrophic lateral sclerosis; FUMADERM to treat plaque psoriasis; BENEPALI, an etanercept biosimilar referencing ENBREL; IMRALDI, an adalimumab biosimilar referencing HUMIRA; FLIXABI, an infliximab biosimilar referencing REMICADE. It offers LEQEMBI for the treatment of Alzheimer's disease; ZURZUVAE for the treatment of postpartum depression; RITUXAN to treat non-Hodgkin's lymphoma, chronic lymphocytic leukemia (CLL), rheumatoid arthritis, two forms of ANCA-associated vasculitis, and pemphigus vulgaris; RITUXAN HYCELA for non-Hodgkin's lymphoma and CLL; GAZYVA to treat CLL and follicular lymphoma; OCREVUS for relapsing MS and primary progressive MS; LUNSUMIO to treat relapsed or refractory follicular lymphoma; glofitamab for aRelapsed or refractory diffuse large B-cell lymphoma; and other anti-CD20 therapies. Biogen Inc. has collaboration and license agreements with Merz Therapeutics; Alkermes Pharma Ireland Limited; Denali Therapeutics Inc.; UCB; Eisai Co., Ltd.; Genentech, Inc.; Neurimmune SubOne AG; Ionis Pharmaceuticals, Inc.; Samsung Bioepis; and Sage Therapeutics, Inc., as well as collaborations with Stoke Therapeutics, Inc. for the development and commercialization of zorevunersen, a disease modifying medicine for the treatment of Dravet syndrome; Dayra Therapeutics, Inc. to develop oral macrocyclic peptides; Vanqua Bio, Inc. for developing Vanqua's preclinical oral C5aR1 antagonist compound; City Therapeutics, Inc. to develop select novel RNAi therapies; and ALTEOGEN Inc. to develop subcutaneous (SC) formulations of biologics utilizing ALT-B4. The company was founded in 1978 and is headquartered in Cambridge, Massachusetts.

United States · www.biogen.com

Risk Metrics

Beta vs SPX0.54
Corr SPX0.26
Annual vol32.8%
Annual ret+12.0%
Sharpe0.36
Max DD-42.1%

Window: 504 trading days (504 obs)

Analyst Coverage

Mean PT$217.03
High / Low$275.00 / $150.00
Median$214.00
Analysts29
Strong Buy2
Buy18
Hold15
Sell1
Strong Sell0

Recent rating actions

2026-05-01Citigroup→ Neutral
2026-04-30Wedbush→ Neutral
2026-04-30RBC Capital→ Outperform
2026-04-30Morgan Stanley→ Equal-Weight
2026-04-30Guggenheim→ Buy
2026-04-22UBS→ Buy

Material Events

DateEvent8-K
2026-07-29Earnings Release, Exhibitsread
2026-07-01Earnings Releaseread
2026-06-10Shareholder Voteread
2026-05-14Material Agreement, Acquisition / Disposition…read
2026-04-29Earnings Release, Exhibitsread
2026-04-06Earnings Releaseread
2026-03-31Material Agreement, Other Material Event…read
2026-03-11Officer / Director Changeread
2026-02-11Officer / Director Change, Other Material Eventread
2026-02-06Earnings Release, Exhibitsread
2026-01-14Earnings Releaseread
2025-10-30Earnings Release, Exhibitsread

Insider Trades

DateInsiderRoleActionSharesValue
2026-08-04Minor LloydSell593$119.17K
2026-08-03Minor LloydSell593$120.58K
2026-06-09SHERWIN STEPHEN AGrant1.50K—
2026-06-09Rowinsky Eric KGrant1.50K—
2026-06-09Mantas Jesus BGrant1.50K—
2026-06-09LANGER SUSANGrant1.50K—
2026-06-09Patolawala Monish DGrant1.50K—
2026-06-09Pangalos Menelas NOption exercise2.37K—
2026-06-09Pangalos Menelas NGrant1.50K—
2026-06-09Minor LloydGrant1.50K—

Flow & Concentration

Insider 180d net-$239.75K
Insider buys / sells0 / 2
Insider biasNeutral
13F holders8
Top-5 share99.6%
HHI4,356 (concentrated)

Top Holders

HolderValueShares
Fidelity / FMR LLC$3.94B18.22M
State Street Corp$1.59B7.34M
AQR Capital Management$416.93M1.94M
Capital Research / Capital World$331.30M1.53M
Citadel Advisors$187.44M867.56K
Renaissance Technologies$16.80M77.74K
Millennium Management$10.69M49.50K
T. Rowe Price Group$167.29K774.28K

As of 2026-06-30

SEC Filings

DateFormDoc
2026-08-123view
2026-08-054view
2026-07-2910-Qview
2026-07-298-Kview
2026-07-018-Kview
2026-06-114view
2026-06-114view
2026-06-114view
2026-06-114view
2026-06-114view
2026-06-114view
2026-06-114view
2026-06-114view
2026-06-114view
2026-06-108-Kview

The Long Run

FY 2009–2025 · 17 years

LineLatestCAGRTrend
Revenue$9.68B+5.5%
Gross profit$2.89B+10.1%
Operating income$7.04B+15.2%
Net income$1.16B+3.8%
Cash from ops$2.88B+6.7%

Indices

S&P 500

Recent Sessions

DateOpenHighLowCloseVol
Sep 25$228.27$228.92$223.76$227.60958.00K
Sep 24$226.80$228.72$224.31$226.361.03M
Sep 23$226.94$229.19$222.36$227.531.49M
Sep 22$219.22$226.43$219.00$225.361.11M
Sep 21$216.14$221.92$214.59$219.07928.50K

Understand the score. Research layers are inputs to a model, and the available data has limits.

Read the methodology →