TotalMarketCap

Protagonist Therapeutics

PTGXNasdaq United StatesHealth CareBiotechnology: Pharmaceutical Preparations

Market cap

$9.053 B

$139.91 -0.72%

Close of 9 Oct 2026

As of 9 Oct 2026, Protagonist Therapeutics (PTGX) has a market capitalization of $9.05B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

—

Not reported

Earnings

-$130.1M

Loss-making

Shares outstanding

64,708,285

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Biotechnology: Pharmaceutical Preparations, ranked by market cap

All 500 →
  1. #32Biomarin PharmaceuticalBMRN$10.6B
  2. #33Dr Reddys LaboratoriesRDY$10.2B
  3. #34Protagonist TherapeuticsPTGX$9.05B
  4. #35Axsome TherapeuticsAXSM$8.91B
  5. #36CytokineticsCYTK$8.62B

What if Protagonist Therapeutics were worth as much as…

Open the what-if tool →

Gold $29.1T

$449,121.09

Per share 3,210× higher

Bitcoin $1.66T

$25,662.56

Per share 183× higher

Nvidia $5.55T

$85,840.14

Per share 614× higher

Or at a round number

$20.0B$50.0B$100.0B$200.0B

Where these numbers come from

Share counts and financials for Protagonist Therapeutics are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 10 Oct 2026. Read the methodology.