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Compare · ARGX vs LONA

ARGX vs LONA

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

Summary

  • Both ARGX and LONA operate in Biotechnology: Biological Products (No Diagnostic Substances) (Health Care), so they compete in similar markets.
  • ARGX is the larger of the two at $52.52B, about 1053.8x LONA ($49.8M).
  • Over the past year, ARGX is down 3.7% and LONA is up 41.4% - LONA leads by 45.1 points.
  • ARGX has hit the wire 6 times in the past 4 weeks while LONA has been quiet.
  • ARGX has more recent analyst coverage (25 ratings vs 4 for LONA).
PerformanceARGX-3.65%LONA+41.40%
2025-10-20+0.00%2026-10-16
MetricARGXLONA
Company
argenx SE
LeonaBio Inc.
Price
$819.19-3.28%
$5.26+0.00%
Market cap
$52.52B
$49.8M
1M return
-17.73%
-27.30%
1Y return
-3.65%
+41.40%
Industry
Biotechnology: Biological Products (No Diagnostic Substances)
Biotechnology: Biological Products (No Diagnostic Substances)
Exchange
NASDAQ
NASDAQ
IPO
2017
2020
News (4w)
6
0
Recent ratings
25
4
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.