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Stock Screener·US·Healthcare·PTGX
Held by 2 Gurus
Share

Protagonist Therapeutics, Inc. Stocks

$ 131.42Last Updated 10.07.2026

Issuer Rating

2/7
Performance

Modest

Risk

High

Recommendation

Sell

Market Cap

$ 8.45B

$ 131.42
Key Takeaways

Risk factor

Very high price volatility

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Profitability factor

Greatly overvalued vs peers

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Risks

  • Default risk
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  • Volatility
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  • Selling difficulty
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  • Stress test
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  • Country risks
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About

Protagonist Therapeutics, Inc. is a biopharmaceutical firm dedicated to discovering and advancing peptide-based therapies. Their research primarily focuses on treatments for hematological and blood conditions, as well as inflammatory and immune-mediated disorders. The company's pipeline features rusfertide (PTG-300), an injectable hepcidin mimetic currently undergoing Phase II clinical trials for the management of polycythemia vera, hereditary hemochromatosis, and other blood-related ailments. Also in Phase II development is PN-943, an oral peptide engineered as a specific antagonist of alpha-4-beta-7 integrin, intended for addressing inflammatory bowel disease (IBD). Furthermore, they are progressing PN-235, an orally administered antagonist specifically targeting the interleukin-23 receptor, designed for both IBD and various non-IBD therapeutic applications. Protagonist Therapeutics maintains a licensing and collaborative agreement with Janssen Biotech, Inc. Founded in 2006, the company's headquarters are located in Newark, California.

Company Valuation

Greatly overvalued
1/7

From both historical and forecast perspectives, the stock is considerably overpriced compared to similar stocks. In particular, the stock is overpriced on P/E.

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Target Price

Somewhat favourable
5/7

The average target price of PTGX is 115 and suggests 16.5% downside potential. Usually, this means a SELL recommendation among investment firms, or a recommendation to de

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Risks

  • Default risk
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  • Volatility
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  • Selling difficulty
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  • Stress test
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  • Country risks
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