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NYSE: MIAX
Miami International Holdings Inc Stock Ownership - Who owns Miami International Holdings?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Miami International Holdings Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Murray StahlDirector2025-10-032$41.97
$83.94Buy
Murray StahlDirector2025-09-264$41.76
$167.04Buy
John SmollenEVP Traded Products Relation2025-09-1152,054$37.39
$1.95MSell
John SmollenEVP Traded Products Relation2025-09-11125,001$12.00
$1.50MBuy
John SmollenEVP Traded Products Relation2025-09-1124,999$12.00
$299.99kBuy
Edward DeitzelEVP CRO CCO MIAX Exchanges2025-09-1116,666$12.00
$199.99kBuy
Shelly BrownEVP Strat. Planning BD2025-09-1016,283$36.81
$599.38kSell
Harish JayabalanEVP CISO and CRO2025-09-093,001$12.00
$36.01kBuy
Edward DeitzelEVP CRO CCO MIAX Exchanges2025-09-0962,500$12.00
$750.00kBuy
Edward DeitzelEVP CRO CCO MIAX Exchanges2025-09-0938,090$37.30
$1.42MSell

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Net Insider Buy/Sell (L12M) Ownership

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MIAX Shareholders

What type of owners hold Miami International Holdings Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Murray Stahl5.60%4,557,925$221.20MInsider
Talal Jassim Albahar4.48%3,650,950$177.18MInsider
Susquehanna International Group LLP4.03%3,284,852$159.41MInstitution
Thomas P. Gallagher2.99%2,436,237$118.23MInsider
T Rowe Price Investment Management Inc2.98%2,430,616$117.96MInstitution
Vanguard Group Inc1.70%1,382,516$67.09MInstitution
Horizon Kinetics Asset Management LLC1.70%1,382,403$67.09MInstitution
Alyeska Investment Group LP1.55%1,265,736$61.43MInstitution
Citadel Advisors LLC1.20%975,050$47.32MInstitution
Barbara J. Comly1.00%811,960$39.40MInsider

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MIAX vs Capital Market Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MIAX29.76%16.72%Net SellingNet Selling
PJT85.94%2.84%Net Selling
BGC40.21%59.79%Net BuyingNet Buying
HUT63.63%10.22%Net BuyingNet Selling
MARA73.76%10.55%Net SellingNet Selling
View Top Capital Market Stocks

Miami International Holdings Stock Ownership FAQ

Who owns Miami International Holdings?

Miami International Holdings (NYSE: MIAX) is owned by 29.76% institutional shareholders, 16.72% Miami International Holdings insiders, and 53.51% retail investors. Murray Stahl is the largest individual Miami International Holdings shareholder, owning 4.56M shares representing 5.60% of the company. Murray Stahl's Miami International Holdings shares are currently valued at $213.36M.

If you're new to stock investing, here's how to buy Miami International Holdings stock.
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