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

Insider buying vs selling

Have Miami International Holdings Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Harish JayabalanCRO;EVP2026-09-258,333$12.00
$100.00kBuy
Shelly BrownCStrat;EVP2026-09-1621,217$38.61
$819.19kSell
Shelly BrownCStrat;EVP2026-09-1116,283$42.54
$692.68kSell
Thomas P. GallagherCEO;Chair2026-09-0347,000$12.00
$564.00kBuy
Thomas P. GallagherCEO;Chair2026-09-038,333$12.00
$100.00kBuy
Thomas P. GallagherCEO;Chair2026-09-0316,666$12.00
$199.99kBuy
Thomas P. GallagherCEO;Chair2026-09-0347,000$42.43
$1.99MSell
Edward DeitzelCCO;CRO;EVP2026-09-0311,000$12.00
$132.00kBuy
Edward DeitzelCCO;CRO;EVP2026-09-0311,000$42.21
$464.31kSell
Thomas P. GallagherCEO;Chair2026-09-034,464$22.40
$99.99kBuy

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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 Stahl9.33%9,260,484$310.23MInsider
Thomas P. Gallagher3.96%3,933,092$131.76MInsider
Talal Jassim Albahar3.69%3,658,187$122.55MInsider
Horizon Kinetics Asset Management LLC2.19%2,170,898$72.73MInsider
Barbara J. Comly0.85%839,564$28.13MInsider
Abdulwahab A. Alnakib0.54%534,924$17.92MInsider
Judson Gray Teekell0.47%462,398$15.49MInsider
Douglas M. Schafer Jr.0.39%387,414$12.98MInsider
Shelly Brown0.32%316,490$10.60MInsider
John Smollen0.27%269,878$9.04MInsider

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MIAX vs Capital Market Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MIAX0.07%22.78%Net SellingNet Selling
CLSK0.09%26.55%Net SellingNet Selling
PJT0.09%2.83%Net SellingNet Selling
IOND0.00%1.70%
LAZ0.09%11.99%Net SellingNet Selling

Miami International Holdings Stock Ownership FAQ

Who owns Miami International Holdings?

Miami International Holdings (NYSE: MIAX) is owned by 0.07% institutional shareholders, 22.78% Miami International Holdings insiders, and 77.14% retail investors. Murray Stahl is the largest individual Miami International Holdings shareholder, owning 9.26M shares representing 9.33% of the company. Murray Stahl's Miami International Holdings shares are currently valued at $312.54M.

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