Protagonist Therapeutics, Inc (PTGX)
About Protagonist Therapeutics, Inc
Protagonist Therapeutics Inc is a biopharmaceutical company engaged in the discovery and development of peptide-based therapeutics using its proprietary technology platform. The company focuses on three therapeutic areas: inflammation and immunology, hematology, and metabolic diseases. Its pipeline includes clinical-stage and preclinical candidates such as rusfertide for polycythemia vera, icotrokinra for inflammatory diseases, and other programs targeting IL-17, obesity, and iron metabolism disorders, developed through internal research and strategic collaborations.
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Financial summary
- Revenue FY2017
- $8.8M
- Net income
- -$130.1M
- Total assets
- $668.2M
- Market cap
- $6.3B
- Operating margin
- -343.6%
- Net margin
- -282.8%
Source: SEC EDGAR · updated Jun 7, 2026
Revenue & profit trend
Financial statements
Income statement
- Revenue
- $46.0M
- Operating expenses
- $204.1M
- Operating income
- -$158.1M
- Income tax
- $838.0K
- Net income
- -$130.1M
- EPS (basic)
- $-2.05
- EPS (diluted)
- $-2.05
Balance sheet
- Total assets
- $668.2M
- Current assets
- $577.6M
- Total liabilities
- $53.5M
- Current liabilities
- $45.4M
- Shareholders’ equity
- $614.7M
Cash flow
- Operating cash flow
- $57.7M
- Investing cash flow
- -$49.3M
- Financing cash flow
- $22.9M
- Net cash flow
- $31.2M
Statements via Polygon.io (SEC filings)
15-minute delayed · data by Polygon.io
Past year · hover for prices
52-week range
- Market cap
- $6.3B
- EPS (diluted)
- $-2.05
- Shares outstanding
- 46.0M
- Open
- —
- Day range
- –
- Prev close
- —
- Volume
- —
- IPO date
- Aug 11, 2016
Protagonist Therapeutics, Inc (PTGX) Stock Price
- Reported a net loss of $130.1M in FY2017.
- Revenue grew 61% from FY2020 to FY2025.
- Trading near its 52-week high.
Automatically generated from public filings and market data. Informational only — not investment advice or a recommendation to buy or sell any security.
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News about Protagonist Therapeutics, Inc
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Protagonist Therapeutics, Inc: frequently asked questions
Is Protagonist Therapeutics, Inc an American company?
Protagonist Therapeutics, Inc is a US-based company headquartered in Newark, California, listed in the americancompanies.com directory of American companies. Its American-origin credentials have not yet been independently verified.
Where is Protagonist Therapeutics, Inc headquartered?
Protagonist Therapeutics, Inc is headquartered in Newark, California, United States.
Is Protagonist Therapeutics, Inc publicly traded?
Yes — Protagonist Therapeutics, Inc is a publicly traded company. Its stock trades under the ticker symbol PTGX on the NASDAQ.
What does Protagonist Therapeutics, Inc do?
Protagonist Therapeutics, Inc is an American Pharmaceuticals company in the Health & Beauty sector.
