Miami International Holdings, Inc. (MIAX)

NYSE: MIAX · Security Brokers, Dealers & Flotation Companies · Princeton, NJ · filing with the SEC since 2008

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Grade5.5

◀ Past 5.6● Present 5.5▶ Future 5.3

2 est.

Overview Business Financials Grade Forecast Sentiment Ownership People Filings Patents Chart

The companyfiscal 2025, as filed

Revenue$1.36B+19.6%

Net income-$70.0M-168.6%

Earnings per share$-1.00-171.9%

Operating cash flow$168M+50.6%

Cash$558M+101.7%

Debt$1.5M-95.9%

Shareholders’ equity$881M+139.7%

Shares, diluted69.8M-6.4%

Return on equity-8.0%

The recordfrom its filings

Filings in 2026180

Newest filingNov 9 · 4

Annual reportMar 6, 2026

Quarterly reportNov 2, 2026

Next report due10-K by Mar 31

Insider sales, 12 months$81.8M

Insider buys, 12 months$700,000

Patents granted2

Filer categoryNon-accelerated filer

Trailing twelve months to Sep 2026Revenue $1.50BNet income $297MCash from operations $254Mthe four newest filed quarters added

Left: the newest annual report, with the change on the year before. Right: counted from the company's own filings with the SEC.

Revenue and net income by fiscal yearRevenueNet income

232425

As filed, in USD. Nothing here is a forecast.

News

Nov 9, 2026 · SEC EDGAR · Form 4

Insider trade report

Open the filing on sec.gov

Nov 5, 2026 · SEC EDGAR · Form 4

Insider trade report

Open the filing on sec.gov

Nov 4, 2026 · SEC EDGAR · Form 4

Insider trade report

Open the filing on sec.gov

Nov 4, 2026 · SEC EDGAR · Form 144

Notice of intended sale

Open the filing on sec.gov

Nov 2, 2026 · SEC EDGAR · Form 10-Q

Quarterly report

Open the filing on sec.gov

Oct 29, 2026 · SEC EDGAR · Form 8-K

Results released

Open the filing on sec.gov

Oct 27, 2026 · SEC EDGAR · Form SCHEDULE 13G/A

Large holder update, amended

Open the filing on sec.gov

Oct 26, 2026 · SEC EDGAR · Form 4

Insider trade report

Open the filing on sec.gov

Oct 26, 2026 · SEC EDGAR · Form 4

Insider trade report

Open the filing on sec.gov

Oct 6, 2026 · SEC EDGAR · Form 4

Insider trade report

Open the filing on sec.gov

An outside story is shown by its headline, its source and its link only. The SI reads the page when you ask it to break one down.

SI brieffrom the record

Core business

Miami International Holdings, Inc. is classed by the SEC under Security Brokers, Dealers & Flotation Companies (industry code 6211), based in Princeton, NJ. Transaction and Clearing Fees was 87% of fiscal 2025 revenue.

Newest on the record

Insider trade report on Nov 9. Before it, insider trade report on Nov 5.

What is due next

The 10-K for the period to Dec 31, 2026, due by Mar 31, 2027.

About MIAX

Miami International Holdings, Inc. is classed by the SEC under Security Brokers, Dealers & Flotation Companies (industry code 6211), based in Princeton, NJ. In its latest annual figures on file, for the fiscal year ended 2025-12-31, it reported revenue of $1.4 billion and a loss of $70 million (its filed statements).

IndustrySecurity Brokers, Dealers & Flotation Companies

HeadquartersPrinceton, NJ

Business modelBrokerage business

ExchangeNYSE

Filing since2008

SEC number (CIK)1438472

Peers on fileETOR, MKTX, SIEB, COHN

Who runs it

Financial performance

In fiscal 2025 Miami International Holdings’s revenue was $1.36 billion, up 19.6% from $1.14 billion the year before. It made a net loss of $70.03 million.

Annual report, filed Mar 6, 2026.

Financial statements

The grade

Miami International Holdings grades 5.5 of 10 against its own industry, the 30 companies in Security Brokers, Dealers & Flotation Companies. Seven of the nine metrics are read as filed and two are SI estimates, each with its reasoning.

◀ Past5.6

● Present5.5

▶ Future5.3

How the grade is made

Forecast

Every forecast is registered before the outcome, with the rule that settles it. A miss stays on the page.

Company forecasts

SI Assistanton MIAX · research, not advice