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 VYVGART for the treatment of gMG and immune thrombocytopenia (ITP), and VYVGART HYTRULO for the treatment of gMG and chronic inflammatory demyelinating polyneuropathy (CIDP). It also develops efgartigimod for the treatment of seronegative gMG, ocular myasthenia gravis (MG), primary ITP, grave's disease, myositis, Sjögren's disease, systemic sclerosis, and AMR; empasiprubart for MMN, delayed graft function, and CIDP; and adimanebart for congenital myasthenic syndrome and spinal muscular atrophy. In addition, the company is developing ARGX-213, a neonatal Fc receptor (FcRn)-targeted antibody engineered for half-life extension and sustained IgG reduction; ARGX-124, a FcRn pipeline candidate; ARGX-109, which targets IL-6 to treat inflammation; ARGX-121, which targets immunoglobulin A; and ARGX-118, which develops antibodies against Galectin-10, as well as cusatuzumab, ARGX-112, ARGX-114, and ARGX-115. It has strategic partnerships and license agreements with Zai Lab to develop and commercialize efgartigimod; Halozyme Therapeutics to its ENHANZE for the prevention and treatment of human diseases; OncoVerity, Inc for cusatuzumab; and AbbVie, Inc. for ARGX-115. argenx SE was incorporated in 2008 and is based in Amsterdam, the Netherlands. Show more

Laarderhoogtweg 25, Amsterdam, 1101 EB, Netherlands

Biotechnology
Healthcare

Market Cap

46.12B

52 Wk Range

$510.06 - $934.62

Previous Close

$743.12

Open

$735.46

Volume

372,102

Day Range

$735.46 - $760.00

Enterprise Value

41.99B

Cash

4.44B

Avg Qtr Burn

N/A

Insider Ownership

0.01%

Institutional Own.

48.96%

Qtr Updated

12/31/25


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Drug & IndicationStage & EventCatalyst Date
VYVGART Hytrulo (Efgartigimod) Details
Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)

Approved

Quarterly sales

VYVGART Hytrulo (SC Efgartigimod) Details
Autoimmune disease, Myasthenia gravis

Approved

Quarterly sales

VYVGART Hytrulo pre-filled syringe (PFS) Details
Myasthenia gravis, Autoimmune disease, Chronic inflammatory disorder

Approved

Quarterly sales

VYVGART (IV: Efgartigimod alfa-fcab) Details
AChR-Ab seronegative Myasthenia gravis

PDUFA

Approval decision

sNDA

Submission

Phase 3

Data readout

Efgartigimod Details
Sjögren-Larsson Syndrome

Phase 3

Data readout

Efgartigimod Details
Primary immune thrombocytopenia

Phase 3

Data readout

Empasiprubart Details
Neuropathy, Neuromuscular disease, Multifocal motorneuropathy

Phase 3

Data readout

VYVGART/Efgartigimod (ARGX-113) (FcRn Blocker) Details
Juvenile Generalized Myasthenia Gravis

Phase 3

Data readout

ARGX-119 Details
Congenital myasthenic syndrome

Phase 3

Initiation

Phase 3

Initiation

Phase 2/3

Data readout

Efgartigimod Details
Post-COVID Postural Orthostatic Tachycardia Syndrome

Phase 2

Data readout

Empasiprubart Details
Delayed graft function

Phase 2

Data readout

Empasiprubart Details
Dermatomyositis

Phase 2

Data readout

Phase 2

Initiation

ARGX -119 Details
Amyotrophic lateral sclerosis

Phase 2a

Data readout

Phase 2a

Update

ARGX-213 Details
no known indication

Phase 1

Data readout

ARGX-121 Details
no known indication

Phase 1

Data readout

ARGX-109 Details
Inflammatory disease

Phase 1

Update

Phase 1

Update

Phase 1

Initiation

Phase 1

Initiation

Phase 1

Initiation

Efgartigimod Details
Mucosal Pemphigus Vulgaris

Failed

Discontinued

Failed

Discontinued