TotalMarketCap

Market cap

$57.922 M

$9.47 -4.82%

Close of 6 Nov 2026

As of 6 Nov 2026, Gossamer Bio (GOSS) has a market capitalization of $57.9M. 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

$48.5M

#2724 by revenue

Earnings

-$170.4M

Loss-making

Shares outstanding

488,846,722

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Biotechnology: Pharmaceutical Preparations, ranked by market cap

All 498 →
  1. #319Spero TherapeuticsSPRO$59.3M
  2. #320Oncolytics BiotechONCY$58.6M
  3. #321Gossamer BioGOSS$57.9M
  4. #322Telomir PharmaceuticalsTELO$57.5M
  5. #323XBiotechXBIT$57.0M

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Where these numbers come from

Share counts and financials for Gossamer Bio are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.