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Symbol
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MIAX on NYSE
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Investment type
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Equity / Common Stock
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Latest Disclosed Shares Owned
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4,036,237 shares
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Security Ownership %
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4.9%
Thomas P. Gallagher ownership in MIAMI INTERNATIONAL HOLDINGS, INC. Common Stock (MIAX)
28 Aug 2025 - Thomas P. Gallagher has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 4,036,237 shares of MIAMI INTERNATIONAL HOLDINGS, INC. Common Stock (MIAX).
This represents 4.9% ownership of the company.
In their previous filing dated 21 Aug 2025, Thomas P. Gallagher had reported owning 4,226,457 shares, indicating a decrease of +4.5%.
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