Upstream Bio

UPBNasdaq United States Health Care Biotechnology: Pharmaceutical Preparations

Market cap

$394.545 M

$7.25 +5.53%

Close of 7 Aug 2026

Revenue

$2.85M

#3396 by revenue

Earnings

-$143.4M

Loss-making

Shares outstanding

54,419,986

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Biotechnology: Pharmaceutical Preparations — ranked by market cap

All 501 →

#222Abeona TherapeuticsABEO$412.6M
#223Enanta PharmaceuticalsENTA$400.4M
#224Upstream BioUPB$394.5M
#225Rocket PharmaceuticalsRCKT$394.2M
#226Prelude TherapeuticsPRLD$390.3M

Where these numbers come from

Share counts and financials for Upstream 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. Last updated 9 Aug 2026. Read the methodology.