Symbol
MIAX on NYSE
Investment type
Equity / Common Stock
Latest Disclosed Shares Owned
4,036,237 shares
Security Ownership %
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%. .