Companies/Miami International Holdings, Inc.
Company profile

Miami International Holdings, Inc.

NYSE: MIAX · Financial Services · Financial - Capital Markets
PublicHQ Princeton, NJ · MercerCIK 0001438472Reports USD
#147 of 1,013 Financial Services companies by revenue69th-percentile growth
EA Score
43D
Revenue TTM
$1.4B
Rev growth YoY (TTM)
+17.8%
Net income (FY)
-$70.0M
Employees
439
as of 2026-08-07
Market cap
$4.4B
as of 2026-08-07

Financials — latest annual

SEC EDGAR · USD-normalized
ConceptUSDNativeFY
Revenue$1.4B$1.4B2025
Net income-$70.0M-$70.0M2025
Operating income$92.0M$92.0M2025
Total assets$1.3B$1.3B2025
Liabilities$378.4M$378.4M2025
Equity$881.0M$881.0M2025

Revenue trend

FY2025 – FY2025 · USD
FY25
FY25
FY25

Revenue by segment

Filed disclosures · FY2025
By product
Transaction And Clearing Fees87%
Access Fees8%
Market Data Fees3%
Product and Service, Other2%
By geography

Not disclosed.

The read

What is Miami International Holdings, Inc. ’s revenue?

Miami International Holdings, Inc. booked $1.4B in FY2025 revenue, growing 20% year over yearfaster than most Financial Services companies we track, at a -5.1% net margin.

Key facts
CEOThomas Gallagher
SectorFinancial Services
IndustryFinancial - Capital Markets
HeadquartersPrinceton, NJ
ExchangeNYSE: MIAX
Employees439
IPO date2025-08-14
Financials: SEC EDGAR (XBRL), USD-normalized per IAS 21 · TTM/quarterly + segments: FMP from filed disclosures · Filings: EDGAR submissions. County headcount and EA Score are in progress — see docs/DATA_GAPS.md.