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Compare · BIIB vs ITOS

BIIB vs ITOS

Side-by-side comparison of Biogen Inc. (BIIB) and iTeos Therapeutics Inc. (ITOS): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both BIIB and ITOS operate in Biotechnology: Biological Products (No Diagnostic Substances) (Health Care), so they compete in similar markets.
  • BIIB is the larger of the two at $28.84B, about 23.5x ITOS ($1.23B).
  • Over the past year, BIIB is up 44.7% and ITOS is up 1.4% - BIIB leads by 43.3 points.
  • BIIB has hit the wire 9 times in the past 4 weeks while ITOS has been quiet.
  • BIIB has more recent analyst coverage (25 ratings vs 9 for ITOS).
PerformanceBIIB+4.79%ITOS+1.40%
2026-03-17+0.00%2026-06-08
MetricBIIBITOS
Company
Biogen Inc.
iTeos Therapeutics Inc.
Price
$194.13-0.60%
$10.17+0.30%
Market cap
$28.84B
$1.23B
1M return
+1.46%
+0.39%
1Y return
+44.69%
+1.40%
Industry
Biotechnology: Biological Products (No Diagnostic Substances)
Biotechnology: Biological Products (No Diagnostic Substances)
Exchange
NASDAQ
NASDAQ
IPO
2020
News (4w)
9
0
Recent ratings
25
9
BIIB

Biogen Inc.

Biogen Inc. discovers, develops, manufactures, and delivers therapies for treating neurological and neurodegenerative diseases. The company offers TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, TYSABRI, and FAMPYRA for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; and FUMADERM to treat plaque psoriasis. It also provides BENEPALI, an etanercept biosimilar referencing ENBREL; IMRALDI, an adalimumab biosimilar referencing HUMIRA; and FLIXABI, an infliximab biosimilar referencing REMICADE. In addition, the company offers RITUXAN for treating 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; and OCREVUS for treating relapsing MS and primary progressive MS; and other anti-CD20 therapies. Further, it develops BIIB061, BIIB091, and BIIB107 for MS and neuroimmunology; Aducanumab, BAN2401, BIIB092, BIIB076, and BIIB080 to treat Alzheimer's disease and dementia; BIIB067, BIIB078, BIIB105, BIIB100, and BIIB110 to treat neuromuscular disorders; BIIB124, BIIB094, BIIB118, BIIB101, and BIIB122 for treating Parkinson's disease and movement disorders; BIIB111 and BIIB112 to treat ophthalmology related diseases; BIIB125 and BIIB104 for treating neuropsychiatry; Dapirolizumab pegol and BIIB059 to treat immunology related diseases; BIIB093 and TMS-007 to treat acute neurology; BIIB074 and BIIB095 for neuropathic pain; and SB11 and SB15 biosimilars, which are under various stages of development. The company has collaboration and license agreements with Acorda Therapeutics, Inc.; Alkermes Pharma Ireland Limited; Bristol-Myers Squibb Company; Eisai Co., Ltd.; Genentech, Inc.; Neurimmune SubOne AG; Ionis Pharmaceuticals, Inc.; Ginkgo Bioworks; Capsigen Inc.; and Mirimus, Inc. Biogen Inc. was founded in 1978 and is headquartered in Cambridge, Massachusetts.

ITOS

iTeos Therapeutics Inc.

Iteos Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in the discovery and development of immuno-oncology therapeutics for patients. The company's product pipeline includes inupadenant, a small molecule antagonist of the adenosine A2a receptor that is an open-label Phase 1/2a clinical trial in adult patients; and EOS-448, an antagonist of TIGIT or T-cell immunoreceptor with Ig and ITIM domains, which is in Phase 1/2a clinical trial, as well as used to engage the Fc gamma receptor, or Fc?R to activate dendritic cells and macrophages and to promote antibody-dependent cellular cytotoxicity, or ADCC activity. Iteos Therapeutics, Inc. was founded in 2011 and is headquartered in Cambridge, Massachusetts.

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