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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
Edward DeitzelEVP CRO CCO MIAX Exchanges2026-03-30707$37.50
$26.51kSell
Thomas P. GallagherChairman CEO2026-03-3020,875$37.50
$782.81kSell
Lance EmmonsEVP and CFO2026-03-308,350$37.50
$313.13kSell
Shelly BrownEVP Chief Strategy Officer2026-03-301,809$37.50
$67.84kSell
Shelly BrownEVP Chief Strategy Officer2026-03-308,333$12.00
$100.00kBuy
Shelly BrownEVP Chief Strategy Officer2026-03-306,570$15.22
$100.00kBuy
Shelly BrownEVP Chief Strategy Officer2026-03-306,195$16.14
$99.99kBuy
Shelly BrownEVP Chief Strategy Officer2026-03-303,878$25.78
$99.97kBuy
Shelly BrownEVP Chief Strategy Officer2026-03-305,040$19.84
$99.99kBuy
Barbara J. ComlyEVP GC Corporate Secretary2026-03-301,448$37.50
$54.30kSell

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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 Stahl10.10%9,260,484$360.42MInsider
Talal Jassim Albahar3.98%3,650,950$142.09MInsider
Susquehanna International Group LLP3.58%3,284,952$127.85MInstitution
T Rowe Price Investment Management Inc3.30%3,025,712$117.76MInstitution
Thomas P. Gallagher2.58%2,363,262$91.98MInsider
Vanguard Group Inc2.10%1,928,286$75.05MInstitution
Horizon Kinetics Asset Management LLC1.99%1,819,798$70.83MInstitution
Blackrock Inc1.91%1,753,507$68.25MInstitution
American Century Companies Inc1.58%1,448,293$56.37MInstitution
Alyeska Investment Group LP1.40%1,286,086$50.05MInstitution

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MIAX vs Capital Market Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MIAX40.90%19.81%Net SellingNet Buying
PJT85.42%3.05%Net Selling
MRX70.10%8.93%
MARA65.96%11.21%Net SellingNet Selling
MC99.05%0.95%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 40.90% institutional shareholders, 19.81% Miami International Holdings insiders, and 39.29% retail investors. Murray Stahl is the largest individual Miami International Holdings shareholder, owning 9.26M shares representing 10.10% of the company. Murray Stahl's Miami International Holdings shares are currently valued at $360.42M.

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