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Protagonist Therapeutics(NASDAQ) PTGX

Market Cap$9.99BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.
Since IPO (2016)+1,219%
5 Year+214%
1 Year+175%
1 Month+14%
Premium Feature
Moneyball Superscore
71/100
$154.32
+2.41%
+3.63Today
After hours$154.40+$0.08 (+0.05%)
Protagonist Therapeutics last closing stock price
MetricPriceDate
Last closeUSD 154.322026-08-21
Protagonist Therapeutics stock price return by period
PeriodPrice returnPrice at period startPeriod start date
1 week-0.5%USD 155.102026-08-14
1 month+13.94%USD 135.442026-07-22
3 month+55.58%USD 99.192026-05-22
Year to date+76.69%USD 87.342025-12-31
1 year+175.37%USD 56.042025-08-21
3 year+664.34%USD 20.192023-08-22
5 year+213.53%USD 49.222021-08-20
Since inception+1,218.97%USD 11.702016-08-11

Protagonist Therapeutics Financials at a Glance

Market Cap

$9.99BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.

Revenue (TTM)

$281.99M

Net Income (TTM)

$82.91M

EPS (TTM)

$1.04

P/E Ratio

148.80

Dividend

$0.00

Beta (Volatility)

1.29 (Average)

Price

$154.32

Volume

402,542.939

Open

$152.10

Previous Close

$154.32

Daily Range

$150.82 - $154.95

52-Week Range

$54.50 - $160.81

Estimated Earnings Date

Nov 5, 2026

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About Protagonist Therapeutics

Protagonist Therapeutics makes new medicines using special proteins. These treatments help people with blood disorders and immune problems. Patients can often take these drugs as pills or simple shots.

Peptides and Pills

  • ICOTYDE: Oral peptide approved for moderate-to-severe plaque psoriasis in adults and children 12 years and older.
  • Rusfertide: Injectable candidate for polycythemia vera, a rare blood disorder that causes too many red blood cells.
  • Obesity Program: Pipeline of early-stage drugs designed to mimic hormones that control weight and improve metabolism.
  • IL-17 Program: Experimental oral treatment for skin diseases like plaque psoriasis, psoriatic arthritis, and spondyloarthritis.

Strategic Partnerships and Progress

  • Received regulatory approval for its first oral peptide treatment, ICOTYDE, in March 2026.
  • Exercised an opt-out right for profit sharing with Takeda in April 2026 for a $200 million payment.
  • Earned Breakthrough Therapy status for rusfertide in August 2025 to treat a rare blood disorder.
  • Nominated two new experimental obesity treatments for development during 2025.

What Sets Protagonist Apart?

Protagonist uses an in-house discovery platform to create peptide medicines that target proven biological pathways. The company focuses on turning complex injectable treatments into oral pills to make managing chronic diseases easier for patients.

The Latest Financial Data

  • License and collaboration revenue was $213.5 million for the three-month period ended June 30, 2026.
  • Net income for the quarter ended June 30, 2026, was $162.8 million.
  • Cash, cash equivalents, and marketable securities reached $849.5 million as of June 30, 2026.
  • Research and development expenses were $42.1 million for the three-month period ended June 30, 2026.
  • Earned a $50 million milestone payment in March 2026 following regulatory approval for its psoriasis treatment.

Bottom Line

Protagonist has evolved from a research firm to a commercial company through its partnership with Janssen. Its focus on turning complex biologics into oral pills allows it to address high-demand medical markets.

AI Generated • Aug 6, 2026

Industry

Biotechnology

Employees

141

CEO

Dinesh V. Patel, PhD

Headquarters

Newark, CA 94560, US

PTGX Financials

Key Financial Metrics (TTM)

Gross Margin

99.86%

Operating Margin

20.69%

Net Income Margin

29.40%

Return on Equity

12.03%

Return on Capital

-25.30%

Return on Assets

9.36%

Earnings Yield

0.67%

Dividend Yield

0.00%

Payout Ratio

0.00%

Stock Overview

Market Cap

$9.99BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.

Shares Outstanding

64.71M

Volume

402.54K

Avg. Volume

686.20K

Financials (TTM)

Gross Profit

$281.59M

Operating Income

$58.34M

EBITDA

$85.48M

Operating Cash Flow

$131.20M

Capital Expenditure

$975.00K

Free Cash Flow

$132.17M

Cash & ST Invst.

$782.58M

Total Debt

$9.22M

Protagonist Therapeutics Performance Analysis

Protagonist Therapeutics annual revenue and year-over-year revenue growth by fiscal year
Fiscal yearPeriod endRevenueYoY growth
20222022-12-31USD 26,581,000-2.8%
20232023-12-31USD 60,000,000125.7%
20242024-12-31USD 434,433,000624.1%
20252025-12-31USD 46,016,000-89.4%
Protagonist Therapeutics sequential (quarter-over-quarter) revenue growth by fiscal quarter
Fiscal quarterPeriod endQoQ growth
Q32025-09-30-15.0%
Q42025-12-3157.8%
Q12026-03-31657.9%
Q22026-06-30278.7%
Protagonist Therapeutics annual diluted earnings per share and year-over-year EPS growth by fiscal year
Fiscal yearPeriod endDiluted EPSYoY growth
20222022-12-31USD -2.60-4.2%
20232023-12-31USD -1.39-46.5%
20242024-12-31USD 4.23N/A
20252025-12-31USD -2.05N/A
Protagonist Therapeutics sequential (quarter-over-quarter) diluted earnings per share growth by fiscal quarter
Fiscal quarterPeriod endQoQ growth
Q32025-09-30-12.7%
Q42025-12-31-11.3%
Q12026-03-31107.8%
Q22026-06-304164.4%

Revenue Growth Rate

Annual and quarterly growth comparison

Earnings Per Share Growth Rate

Annual and quarterly EPS growth comparison

Quarterly Performance

Name
Q2 2026YOY CHG

Revenue

$213.48M

+3749.2%

Gross Profit

$213.48M

+3749.2%

Gross Margin

100.00%

N/A

Market Cap

$9.99BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.

N/A

Market Cap/Employee

$70.82M

N/A

Employees

141

N/A

Net Income

$162.85M

+568.3%

EBITDA

$165.11M

+581.5%

Quarterly Fundamentals

Name
Q2 2026YOY CHG

Total Cash

$782.58M

+37.2%

Total Debt

$9.22M

-18.3%

Accounts Receivable

$13.42M

-52.0%

Inventory

$0.00

N/A

Long Term Debt

$6.82M

-25.1%

Short Term Debt

$2.40M

+10.3%

Return on Assets

9.36%

N/A

Return on Invested Capital

6.88%

N/A

Free Cash Flow

$218.88M

+839.6%

Operating Cash Flow

$219.05M

+861.1%

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Questions About PTGX

What is the current price of Protagonist Therapeutics?

Protagonist Therapeutics is trading at $154.32 per share.

What is the 52-week range for Protagonist Therapeutics?

Over the past 52 weeks, Protagonist Therapeutics has traded between $54.50 and $160.81.

How much debt does Protagonist Therapeutics have?

As of the most recent reporting period, Protagonist Therapeutics reported total debt of $9.22M.

How much cash does Protagonist Therapeutics have on hand?

Protagonist Therapeutics reported $420.08M in cash and cash equivalents in its most recent financial results.

What is Protagonist Therapeutics’s dividend yield?

Protagonist Therapeutics does not currently have a dividend yield.

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