PTGX - CIK 0001377121
As of 2026-06-11, Protagonist Therapeutics, Inc (PTGX) has a market capitalization of $6.80 B, making it the #1171 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-06-11 | $6.80 B |
| 2026-06-10 | $6.80 B |
| 2026-05-29 | $6.46 B |
| 2026-05-28 | $6.57 B |
| 2026-05-26 | $6.44 B |
| 2026-05-25 | $6.38 B |
| 2026-05-24 | $6.38 B |
| 2026-05-22 | $6.38 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
As of 2026-06-11, Protagonist Therapeutics, Inc (PTGX) has a market capitalization of $6.80 B, making it the #1171 most valuable US-listed company.
Protagonist Therapeutics, Inc is the #1171 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.