SPRONasdaq United States
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
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.