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ROCKWOOD RESEARCH · A CORPORATE FILINGS WEBSITE|STRAIGHT FROM THE SOURCE · SEC EDGAR|SPONSOREDYour message on this tape — bid on the Rockwood Ad Exchange · Rockwood Ad Exchange|
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MIAX

MIAMI INTERNATIONAL HOLDINGS, INC.

Security Brokers, Dealers & Flotation Companies · SIC 6211CIK 1438472Held by 2 tracked managersEDGAR filings ↗10-K/10-Q ↗

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Revenue FY2025
$1.36B
Net Income FY2025
$(0.07B)
EPS (Basic, as reported)
$-1.00
Net Margin FY2025
-5.1%
ROE FY2025
-7.9%
Total Equity
$0.88B
Shares Out
99M
Business description

MIAMI INTERNATIONAL HOLDINGS, INC. — Security Brokers, Dealers & Flotation Companies. Figures are as reported in each year's original 10-K via SEC EDGAR XBRL company facts (FY2023–FY2025; structured XBRL data begins around 2008). Market-price metrics are not part of EDGAR data.

Annual (fiscal years, as reported)USD millions
i
default rows · click any row to chart itRevenue: 1,041 → 1,364 +14.5% CAGR
Fiscal yearFY2023FY2024FY2025
Revenue1,0411,1401,364
Cost of revenue(809)(864)(934)
Gross profit232276431
Total operating expenses(235)(278)(339)
Operating income(3)(3)92
Interest expense(19)(14)(13)
Interest & investment income339
Other income (expense), net5111
Pre-tax income(22)105(69)
Income tax expense(1)(3)(1)
Net income(21)102(70)
EPS — basic($0.37)$1.68($1.00)
EPS — diluted($0.37)$1.39($1.00)
Shares outstanding — basic (M)566170
Shares outstanding — diluted (M)567570

Source: SEC EDGAR XBRL company facts — figures as reported in each period's original filing (structured data begins ~2008). EPS and other per-share figures are as reported and are not adjusted for later stock splits; a ⚑ marks a period where the reported share count changed by a large factor. Dollar figures in millions unless per-share. Line items a company never reports are omitted. Where a filer switched XBRL concepts, the successor concept is used and definitions can differ slightly (e.g. cash may include restricted cash; banks' revenue is net of interest expense; cost of revenue may exclude D&A; net income may be the amount available to common stockholders; debt issued/repaid may be net of issuance costs or include finance-lease obligations — each only where the original concept stopped being reported). Click a period header to open that period's source filing on EDGAR.