Main Street Capital

MAINNYSE United States Finance Finance/Investors Services

Market cap

$5.481 B

$58.94 +3.79%

Close of 7 Aug 2026

Revenue

—

Not reported

Earnings

$493.4M

#621 by earnings

Shares outstanding

93,508,461

Latest filing cover page

P/E ratio

11.1

Cap ÷ net income

Finance/Investors Services — ranked by market cap

All 37 →

#1Central SecuritiesCET$13.5B
#2Main Street CapitalMAIN$5.48B
#3HA Sustainable Infrastructure CapitalHASI$5.22B
#4Kayne Anderson Energy Infrastructure FundKYN$1.93B
#5BlackRock Capital Allocation Term TrustBCAT$1.73B

Where these numbers come from

Share counts and financials for Main Street Capital 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.