PTGX — Protagonist Therapeutics Share Price
- $6.57bn
- $6.02bn
- $46.02m
Growth & Value
| 12m Forecast Rolling | Industry | Market | |
|---|---|---|---|
| PE Ratio (f) | 50.09 | ||
| PEG Ratio (f) | 0.55 | ||
| EPS Growth (f) | 1,095.77% | ||
| Dividend Yield (f) | n/a | ||
| Valuation (ttm) | Industry | Market | |
|---|---|---|---|
| Price to Book Value | 10.03 | ||
| Price to Tang. Book | 10.03 | ||
| Price to Free Cashflow | n/a | ||
| Price to Sales | 88.73 | ||
| EV to EBITDA | n/a | ||
Shareholder Activity
| Type | Buy / Hold / Sell |
|---|---|
| Institutions | |
| Directors | |
| Community |
Guru Screens
Quality
| Name | Industry | Market | |
|---|---|---|---|
| Return on Capital | -21.49% | ||
| Return on Equity | -17.06% | ||
| Operating Margin | -192.36% | ||
Financial Summary
| Year End 31st Dec | Unit | 2021 | 2022 | 2023 | 2024 | 2025 | 2026E | 2027E | CAGR / Avg |
|---|---|---|---|---|---|---|---|---|---|
| Total Revenue | $m | 27.36 | 26.58 | 60 | 434.43 | 46.02 | 500.9 | 133.29 | 9.96% |
| Operating Profit | m | ||||||||
| Net Profit | m | ||||||||
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| EPS Growth | % | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a |
| PE Ratio | x | ||||||||
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| Op. Cashflow ps | |||||||||
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| Dividend ps | |||||||||
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| Dividend Cover | x | ||||||||
| Balance Sheet | |||||||||
| Cash etc | m | ||||||||
| Working Capital | m | ||||||||
| NFA | m | ||||||||
| Net Debt | m | ||||||||
| Book Value | m | ||||||||
| Diluted Weighted Average Shares | m | ||||||||
| Book Value ps | |||||||||
Other Ratios
| Leverage (ttm) | Total | - Intang | + Pension |
|---|---|---|---|
| Gross Gearing | |||
| Net Gearing | |||
| Cash / Assets |
| Liquidity (ttm) | |
|---|---|
| Curr. Ratio | |
| Quick Ratio | |
| Interest Cov. | |
| Efficiency (ttm) | |
|---|---|
| Asset Turnover | |
| Recs Turnover | |
| Stock Turnover | |
Recent History
| Latest interim period vs. prior period | Industry | Market | |
|---|---|---|---|
| Sales Growth | |||
| EPS Growth | |||
| 3yr Compound Annual Growth Rate | Industry | Market | |
|---|---|---|---|
| Sales CAGR | |||
| EPS CAGR | |||
| DPS CAGR | |||
Profile Summary
Protagonist Therapeutics, Inc. is a biopharmaceutical company with a technology platform that enables de novo discovery of peptide therapeutics. The Company's programs fall into three therapeutic areas: inflammation and immunology (I&I), hematology, and metabolic diseases. Its clinical and pre-clinical programs address biologically and commercially validated targets, including IL-17 oral peptide antagonist PN-881, obesity triple agonist peptide PN-477, obesity dual agonist peptide PN-458, oral small molecule hepcidin functional mimetic PN-8047, and IL-4 and amylin programs. The ICOTYDE (icotrokinra) is used for the treatment of moderate-to-severe plaque psoriasis in adults and pediatric patients 12 years of age or older who weigh at least 40 kg and are candidates for systemic therapy or phototherapy. Rusfertide is an investigational injectable mimetic of the natural hormone hepcidin in development for the treatment of the rare blood disorder polycythemia vera (PV).
Directors
- Harold Selick NEC (66)
- Dinesh Patel PRE (64)
- Donald Kalkofen CFO (57)
- David Liu CSO (70)
- Suneel Gupta OTH (63)
- Samuel Saks OTH (66)
- Bryan Giraudo IND (45)
- Sarah Noonberg IND (53)
- Sarah O'Dowd IND (71)
- William Waddill IND (64)
- Lewis Williams IND (71)
- Last Annual
- December 31st, 2025
- Last Interim
- March 31st, 2026
- Incorporated
- August 22nd, 2006
- Public Since
- August 11th, 2016
- No. of Shareholders
- 2
- No. of Employees
- 100
- Sector
- Biotechnology & Medical Research
- Industry
- Healthcare
- Exchange
NASDAQ Global Market
- Shares in Issue
- 64,311,373

- Address
- 7707 Gateway Blvd Ste 140, NEWARK, 94560-1160
- Web
- https://www.protagonist-inc.com/
- Phone
- +1 5104740170
- Contact
- Corey Davis
- Auditors
- Ernst & Young LLP
Upcoming Events for PTGX
Protagonist Therapeutics Inc Annual Shareholders Meeting
Q2 2026 Protagonist Therapeutics Inc Earnings Release
Q3 2026 Protagonist Therapeutics Inc Earnings Release
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FAQ
As of Today at 22:47 UTC, shares in Protagonist Therapeutics are trading at $102.18. This share price information is delayed by 15 minutes.
Shares in Protagonist Therapeutics last closed at $102.18 and the price had moved by +130.08% over the past 365 days. In terms of relative price strength the Protagonist Therapeutics share price has outperformed the S&P500 Index by +85.05% over the past year.
The overall consensus recommendation for Protagonist Therapeutics is Buy. You can view the full broker recommendation list by unlocking its StockReport.
Find out moreProtagonist Therapeutics does not currently pay a dividend.
Protagonist Therapeutics does not currently pay a dividend.
Protagonist Therapeutics does not currently pay a dividend.
To buy shares in Protagonist Therapeutics you'll need a share-dealing account with an online or offline stock broker. Once you have opened your account and transferred funds into it, you'll be able to search and select shares to buy and sell. You can use Stockopedia’s share research software to help you find the the kinds of shares that suit your investment strategy and objectives.
As of the previous close price of $102.18, shares in Protagonist Therapeutics had a market capitalisation of $6.57bn.
Here are the trading details for Protagonist Therapeutics:
- Country of listing: United States
- Exchange: NMQ
- Ticker Symbol: PTGX
Based on an overall assessment of its quality, value and momentum Protagonist Therapeutics is currently classified as a High Flyer. The classification is based on a composite score that examines a wide range of fundamental and technical measures. Stock are classified on the the following spectrum: Super Stocks, High Flyers, Contrarians, Turnarounds, Neutral, Value Traps, Momentum Traps, Falling Stars, and Sucker Stocks. For more information, learn about our StockRank Styles.
The analyst consensus target price for shares in Protagonist Therapeutics is $117.58. That is 15.07% above the last closing price of $102.18.
Analysts covering Protagonist Therapeutics currently have a consensus Earnings Per Share (EPS) forecast of $3.91 for the next financial year.
Find out moreAn important predictor of whether a stock price will go up is its track record of momentum. Price trends tend to persist, so it's worth looking at them when it comes to a share like Protagonist Therapeutics. Over the past six months, its share price has outperformed the S&P500 Index by +8.77%.
As of the last closing price of $102.18, shares in Protagonist Therapeutics were trading +24.48% higher than their 200 day moving average. You can read more about the power of momentum in assessing share price movements on Stockopedia.
The Protagonist Therapeutics PE ratio based on its reported earnings over the past 12 months is 50.09. The shares last closed at $102.18.
The PE ratio (or price-to-earnings ratio) is the one of the most popular valuation measures used by stock market investors. It is calculated by dividing a company's price per share by its earnings per share.
The PE ratio can be seen as being expressed in years, in the sense that it shows the number of years of earnings which would be required to pay back the purchase price, ignoring inflation. So in general terms, the higher the PE, the more expensive the stock is.
Protagonist Therapeutics' management team is headed by:
- Harold Selick - NEC
- Dinesh Patel - PRE
- Donald Kalkofen - CFO
- David Liu - CSO
- Suneel Gupta - OTH
- Samuel Saks - OTH
- Bryan Giraudo - IND
- Sarah Noonberg - IND
- Sarah O'Dowd - IND
- William Waddill - IND
- Lewis Williams - IND





