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Compare · ARGX vs BIIB

ARGX vs BIIB

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

Summary

  • Both ARGX and BIIB operate in Biotechnology: Biological Products (No Diagnostic Substances) (Health Care), so they compete in similar markets.
  • BIIB is the larger of the two at $33.08B, about 2.0x ARGX ($16.17B).
  • Over the past year, ARGX is up 25.7% and BIIB is up 54.7% - BIIB leads by 29.0 points.
  • BIIB has been more active in the news (9 items in the past 4 weeks vs 2 for ARGX).
  • Both have 25 recent analyst ratings on file.
PerformanceARGX+25.72%BIIB+54.72%
2025-04-28+0.00%2026-04-24
MetricARGXBIIB
Company
argenx SE
Biogen Inc.
Price
$780.08-1.00%
$184.16-2.00%
Market cap
$16.17B
$33.08B
1M return
+11.90%
-2.67%
1Y return
+25.72%
+54.72%
Industry
Biotechnology: Biological Products (No Diagnostic Substances)
Biotechnology: Biological Products (No Diagnostic Substances)
Exchange
NASDAQ
NASDAQ
IPO
2017
News (4w)
2
9
Recent ratings
25
25
ARGX

argenx SE

argenx SE, a clinical-stage biotechnology company, focuses on developing antibody-based therapies for the treatment of autoimmune diseases, hematology, and cancer. It is developing its lead product candidate, efgartigimod, for the treatment of patients with myasthenia gravis; immune thrombocytopenia in Phase III; pemphigus vulgaris in Phase III; chronic inflammatory demyelinating polyneuropathy in Phase III; and ENHANZE SC in pre-clinical stages. The company is also developing cusatuzumab in Phase II clinical stage in hematological cancer indications; ARGX-117 in phase I clinical trial with therapeutic potential in both orphan and large autoimmune inflammatory diseases; and preclinical products, including ARGX-118 for airway inflammation. Its partnered product candidates include ARGX-112 for treating skin inflammation, ARGX-116 for the treatment of dyslipidemia, and ARGX-115 for cancer immunotherapy, which are in Phase I clinical stages; and ARGX-114 for treating fibrosisand ARGX-119 for treating neuromuscular indications, which are in preclinical stage. The company has strategic partnership with AbbVie S.À.R.L. and LEO Pharma A/S; and collaboration agreement with Cilag GmbH International, Staten Biotechnology B.V., and Shire International GmbH. argenx SE was incorporated in 2008 and is based in Breda, the Netherlands.

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.