Spero Therapeutics

SPRONasdaq United States Health Care Biotechnology: Pharmaceutical Preparations

Market cap

$72.956 M

$1.26 -0.79%

Close of 7 Aug 2026

Revenue

$66.8M

#2651 by revenue

Earnings

$8.57M

#2083 by earnings

Shares outstanding

57,891,493

Latest filing cover page

P/E ratio

8.5

Cap ÷ net income

Biotechnology: Pharmaceutical Preparations — ranked by market cap

All 501 →

#325Elicio TherapeuticsELTX$73.4M
#326Cypherpunk TechnologiesCYPH$73.3M
#327Spero TherapeuticsSPRO$73.0M
#328OS TherapiesOSTX$72.9M
#329CingulateCING$71.9M

Where these numbers come from

Share counts and financials for Spero 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 9 Aug 2026. Read the methodology.