PTGX · Protagonist Therapeutics

Protagonist Therapeutics, Inc. operates as a discovery and development company in the United States. It develops Icotyde, a first-in-class investigational targeted oral peptide for the treatment of adults and pediatric patients 12 years of age and older with moderate-to-severe plaque psoriasis; and Rusfertide, a first-in-class investigational injectable mimetic of the natural hormone hepcidin in Phase 3 development for the treatment of the rare blood disorder polycythemia vera. The company is also developing PN-881, a potential best-in-class oral peptide IL-17 antagonist, for the treatment of immune-mediated skin diseases in Phase 1 clinical trials; PN-477 and PN-458, which are development candidates for the treatment of obesity; PN-8047, an orally administered hepcidin functional mimetic small molecule; L-4R alpha antagonist for the treatment of atopic dermatitis and moderate-to-severe asthma; and amylinR-based oral and subcutaneous mono- and poly-agonists for the treatment of obesity. Protagonist Therapeutics, Inc. was incorporated in 2006 and is headquartered in Newark, California.

7707 Gateway Boulevard, Newark, CA, 94560, United States
Biotechnology
Healthcare

Market Cap

8.547B

52 Wk Range

$77.00 - $160.81

Previous Close

$134.38

Open

$134.03

Volume

759,915

Day Range

$130.64 - $134.90

Enterprise Value

7.744B

Cash

800.1M

Avg Qtr Burn

-23.22M

Insider Ownership

6.05%

Institutional Own.

N/A

Qtr Updated

Sep 30th 2026