argenx SE, a commercial-stage biopharma company, develops various therapies for the treatment of autoimmune diseases in the United States, Japan, China, the Netherlands, and internationally. The company offers VYGART and VYGART HYTRULO to treat generalized myasthenia gravis (gMG), immune thrombocytopenia (ITP), and chronic inflammatory demyelinating polyneuropathy (CIDP). It also develops efgartigimod for the treatment of seronegative and ocular gMG, thyroid eye diseases, ITP, myositis, Sjögren's disease, lupus nephropathy, systemic sclerosis, antibody-mediated rejection, and autoimmune encephalitis; empasiprubart for multifocal motor neuropath, CIDP, delayed graft function, and dermatomyositis; and ARGX-119 for congenital myasthenic syndrome, amyotrophic lateral sclerosis, and spinal muscular atrophy. In addition, the company is also developing ARGX-119, a MuSK agonist to treat congenital myasthenic syndromes and amyotrophic lateral sclerosis; ARGX-109, which targets IL-6 to treat inflammation; ARGX-121 and ARGX 220 that targets the immune system; ARGX-213, which targets FcRn; and ARGX-118, which develops antibodies against Galectin-10, as well as cusatuzumab, ARGX-112, ARGX-114, and ARGX-115. It has strategic collaborations with OncoVerity, Inc, LEO Pharma A/S, Zai Lab Limited, AbbVie, Inc., Elektrofi, Genmab SE, Chugai Pharmaceutical Co., Ltd., Clayton Foundation, Halozyme Therapeutics, Inc., AgomAb Therapeutics NV, Broteio Pharma B.V., VIB vzw, University of Texas, BioWa, Inc., Lonza Sales AG, Université Catholique de Louvain, Sopartec S.A., NYU Langone Health, Leiden University Medical Center, and IQVIA Ltd. argenx SE was incorporated in 2008 and is based in Amsterdam, the Netherlands. Show more

Laarderhoogtweg 25, Amsterdam, 1101 EB, Netherlands

https://argenx.com

Biotechnology

Healthcare

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Market Cap

51.13B

52 Wk Range

$510.06 - $934.62

Previous Close

$844.41

Open

$821.60

Volume

282,246

Day Range

$821.46 - $838.48

Enterprise Value

44.14B

Cash

3.928B

Avg Qtr Burn

N/A

Insider Ownership

0.13%

Institutional Own.

49.57%

Qtr Updated

09/30/25

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Drug & Indication	Stage & Event	Catalyst Date
VYVGART Hytrulo pre-filled syringe (PFS) Details Myasthenia gravis, Autoimmune disease, Chronic inflammatory disorder	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
VYVGART Hytrulo (SC Efgartigimod) Details Autoimmune disease, Myasthenia gravis	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
VYVGART Hytrulo (Efgartigimod) Details Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
VYVGART (IV: Efgartigimod alfa-fcab) Details AChR-Ab seronegative Myasthenia gravis	PDUFA Approval decision	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Efgartigimod Details Sjögren-Larsson Syndrome	Phase 3 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Empasiprubart Details Polyneuropathy	Phase 3 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Efgartigimod Details Primary immune thrombocytopenia	Phase 3 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Empasiprubart Details Neuropathy, Neuromuscular disease, Multifocal motorneuropathy	Phase 3 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
VYVGART/Efgartigimod (ARGX-113) (FcRn Blocker) Details Ocular Myasthenia Gravis	Phase 3 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ARGX-119 Details Congenital myasthenic syndrome	Phase 3 Initiation	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
VYVGART/Efgartigimod (ARGX-113) (FcRn Blocker) Details Graves' Disease	Phase 3 Initiation	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Efgartigimod Details Myositis	Phase 2/3 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Efgartigimod Details Post-COVID Postural Orthostatic Tachycardia Syndrome	Phase 2 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Efgartigimod + Empasiprubart (Combination) (Immune Modulator) Details AChR-Positive Generalized Myasthenia Gravis	Phase 2 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Empasiprubart Details Delayed graft function	Phase 2 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Empasiprubart Details Dermatomyositis	Phase 2 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ARGX-121 (IgA Modulator) Details IgA Nephropathy	Phase 2 Initiation	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ARGX -119 Details Amyotrophic lateral sclerosis	Phase 2a Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ARGX-213 Details no known indication	Phase 1 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ARGX-121 Details no known indication	Phase 1 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ARGX-109 Details Inflammatory disease	Phase 1 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ARGX-124 (FcRn Modulator) Details No Known Indication	Phase 1 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ARGX-125 (Bispecific Antibody) Details Autoimmune Disease	Phase 1 Initiation	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
TSP-101 (Fn14 Inhibitor) Details Autoimmune Disease	Phase 1 Initiation	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ARGX-118 (Galectin-10 Inhibitor) Details Autoimmune Disease	Phase 1 Initiation	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Efgartigimod Details Mucosal Pemphigus Vulgaris	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
VYVGART Hytrulo/VYVGART SC (Efgartigimod PH20 SC) (FcRn Blocker) Details Thyroid Eye Disease (TED)	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.