MIAX is the ticker symbol for MIAMI INTERNATIONAL HOLDINGS, INC., a publicly traded Financials sector company listed on NYSE. 13F Pro tracks MIAX with AI-powered analysis, an AI quality score, SEC EDGAR financials, insider transactions, and institutional 13F holdings — all sourced directly from public SEC filings.

Is MIAX a good stock to buy?

13F Pro's AI ranking engine scores MIAX at 65.8/100, ranked #455 of 2,925 stocks on a composite quality score built from its SEC filings, covering profitability, growth, balance sheet strength, and free cash flow. The full AI verdict and bull/bear case for MIAX is available at https://13fpro.ai/company/MIAX. Not investment advice — review the underlying SEC filings before making any trade.

Where does 13F Pro source MIAX data?

All MIAMI INTERNATIONAL HOLDINGS, INC. fundamentals and ownership data come directly from SEC EDGAR. MIAMI INTERNATIONAL HOLDINGS, INC. files with the SEC under CIK 1438472. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

MIAMI INTERNATIONAL HOLDINGS, INC. MIAX

NYSEMid CapFinancials

13F Pro quality score

Rank #455 of 2,925TOP 25%

Why it scores 66 Financials peers →

Rankings refresh quarterly once 80% of peers have filed. Next update: ~Nov 14, 2026.

Revenue

$387.63M

Quarter to Jun 30

Net income

$44.21M

Quarter to Jun 30

Free cash flow

$106.45M

Quarter to Jun 30

Operating margin

7.2%

Quarter to Jun 30

Top Institutional Holders

as of Q2 2026

$2.67B total

HORIZON KINETICS ASSET MANAGEMENT LLC

$291.42M+127.2%

BlackRock, Inc.

$188.47M+127.2%

T. Rowe Price Investment Management, Inc.

$187.03M+21.4%

VANGUARD PORTFOLIO MANAGEMENT LLC

$140.70M+175.4%

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$124.67M+1.8%

VANGUARD CAPITAL MANAGEMENT LLC

$117.64M+123.7%

Invesco Ltd.

$75.09M+27.5%

J Digital 6 LLC

$67.16MNew

BLAIR WILLIAM & CO/IL

$65.75M+165.8%

BALYASNY ASSET MANAGEMENT L.P.

$62.54MNew

AMERICAN CENTURY COMPANIES INC

$58.98M+29.9%

STATE STREET CORP

$53.25M+101.2%

JPMORGAN CHASE & CO

$52.72M+15.3%

GEODE CAPITAL MANAGEMENT, LLC

$51.87M+79.0%

ADAGE CAPITAL PARTNERS GP, L.L.C.

$42.51M-8.3%

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

$38.63M+333.1%

LORD, ABBETT & CO. LLC

$37.19M+16.3%

MORGAN STANLEY

$35.32M-17.1%

Allspring Global Investments Holdings, LLC

$33.49M-22.9%

TWO SIGMA INVESTMENTS, LP

$33.00M-0.6%

BANK OF AMERICA CORP /DE/

$31.85M-4.9%

Alyeska Investment Group, L.P.

$31.54M-41.4%

PRICE T ROWE ASSOCIATES INC /MD/

$31.38M+430.5%

FRANKLIN RESOURCES INC

$29.16M+38.1%

Walleye Capital LLC

$27.05M+1789.9%

See all 207 institutional holders →

What's Driving MIAX's Business? Latest 10-Q Breakdown

42/42 datapoints verified

AI-extracted from the 10-Q filed 2026-08-07 — Q2 FY2026 (quarter ended June 30, 2026). Every figure is machine-verified against the filing text on SEC EDGAR.

Total revenue rose 18.3% to $387.6M on a 26.8% jump in options market contracts, but a $30.0M Nasdaq litigation settlement held operating income flat at $27.8M.

Biggest Revenue Drivers

Options$316.5M+20.9% YoY

26.8% increase in Options market contracts, plus higher access fees from added member connections and expiration of MIAX Sapphire fee waivers

Equities$40.6M+0.5% YoY

MIH U.S. equities market share fell to 0.9% from 1.1% despite 9.9% industry volume growth

Biggest Revenue Drivers

Total revenue: $387.6M+18.3% YoY

Options$316.5M+20.9% YoY

26.8% increase in Options market contracts, plus higher access fees from added member connections and expiration of MIAX Sapphire fee waivers

Within Options

Transaction and clearing fees$276.6M+19.0% YoY

Equities$40.6M+0.5% YoY

MIH U.S. equities market share fell to 0.9% from 1.1% despite 9.9% industry volume growth

Futures$24.6M+6.3% YoY

Agricultural products ADV fell 28.6% on lower volatility and participant migration timing to MIAX Futures Onyx

International$5.7M+150.7% YoY

Primarily due to the TISE Acquisition completed in June 2025

Largest Expense Items

Liquidity payments$206.6M+5.6% YoY

Options liquidity payments up $13.1M on 26.8% more Options market contracts, offset by a 13.7% decrease in cost per contract

Compensation and benefits$41.0M+1.9% YoY

Higher headcount, merit increases and cash bonuses, offset by a $3.2M decrease in share-based compensation

Litigation settlement$30.0M

Loss contingency recognized on the Nasdaq matter; settlement paid July 20, 2026

Section 31 fees$23.0M+94.5% YoY

Higher average rate ($20.60 per million from April 4, 2026) and increased volume; a pass-through to the SEC

Margins: Revenues less cost of revenues rose 34.8% to $141.1M, with adjusted EBITDA margin expanding 7.5 points to 54.4%; Options adjusted EBITDA margin reached 77.8% from 72.2%.

Watch Items from the Filing

Three customers accounted for 16%, 15% and 12% of total revenue ($166.6M of $387.6M), reported primarily within the Options segment, with no contractual obligation to continue.
Equities revenue was flat at $40.6M as MIH market share fell to 0.9% from 1.1%; the segment posted a $2.3M operating loss.
Futures segment lost $12.7M at the operating line; agricultural ADV fell 28.6% and newly launched financial futures carry inverted pricing at $(1.766) revenue per contract.
CAT funding remains contested: $36.5M notes receivable net of a $26.1M credit-loss allowance, with an 11th Circuit petition pending that could halt fee recoupment.
Nasdaq litigation fully resolved on July 20, 2026 with a $30.0M payment and mutual release, leaving MIAX free to operate without a Nasdaq license.

AI-extracted and verified against SEC EDGAR filing text. Not investment advice.

Read the full 10-Q on SEC EDGAR →

Key Metrics

Revenue

Q2 2026

EDGAR

Net Income

Q2 2026

EDGAR

EPS (Diluted)

Q2 2026

EDGAR

Operating Margin

Q2 2026

EDGAR

ROIC

Q2 2026

EDGAR

Free Cash Flow

Q2 2026

EDGAR

Debt/Equity

Q2 2026

EDGAR

Financial Trends

Revenue & Net Income

13fpro.ai/company/MIAX

Earnings Per Share

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MIAMI INTERNATIONAL HOLDINGS, INC. reported revenue, net income and margins by fiscal period, from SEC filings.
Period	Form	Revenue	Net income	Op. marginOperating margin
FY 2025	10-K	$1.4B	$-70.0M	6.7%
FY 2024	10-K	$1.1B	$102.1M	-0.3%
FY 2023	10-K	$1.0B	$-20.9M	-0.3%

About MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX): stock profile, AI score and financials

MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) stock profile, AI quality score, and SEC EDGAR financial data, a Financials sector company. 13F Pro's AI-powered ranking engine scores MIAX at 65.8/100 on a composite quality score built from its SEC filings, placing it at rank #455 of 2,925 stocks — the top 25% of the AI-ranked universe. MIAX scores in the top quartile across institutional flow (97.7), balance sheet strength (87.4), earnings quality (78.9). Shareholder dilution risk is elevated at 26.5/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q2 2026), MIAMI INTERNATIONAL HOLDINGS, INC. reports quarterly revenue of $387.6M, net income of $44.2M, an operating margin of 7.2%. Top institutional holders of MIAX by reported 13-F value include HORIZON KINETICS ASSET MANAGEMENT, BlackRock, T. Rowe Price Investment Management, based on the most recent SEC filings. MIAX trades on the NYSE exchange and files with the SEC under CIK 1438472. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate MIAX daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for MIAMI INTERNATIONAL HOLDINGS, INC. directly from SEC EDGAR.

Financials through the period ended Jun 30, 2026SEC EDGAR: CIK 1438472 →

MIAMI INTERNATIONAL HOLDINGS, INC. MIAX

Top Institutional Holders

What's Driving MIAX's Business? Latest 10-Q Breakdown

Biggest Revenue Drivers

Biggest Revenue Drivers

Largest Expense Items

Watch Items from the Filing

Key Metrics

Financial Trends

Revenue & Net Income

Earnings Per Share

MIAX key financials by period

MIAX insiders

Congress trading in MIAX

About MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX): stock profile, AI score and financials

MIAMI INTERNATIONAL HOLDINGS, INC. MIAX

Top Institutional Holders

What's Driving MIAX's Business? Latest 10-Q Breakdown

Biggest Revenue Drivers

Key Metrics

Financial Trends

Revenue & Net Income

Earnings Per Share

MIAX key financials by period

Companies similar to MIAX

MIAX insiders

Congress trading in MIAX

About MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX): stock profile, AI score and financials