HORIZON KINETICS ASSET MANAGEMENT LLC 13D and 13G filings for Miami International Holdings, Inc. :
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-05-21 12:00 pm Sale | 2026-05-19 | 13D | MIAMI INTL HLDGS INC MIAX | HORIZON KINETICS ASSET MANAGEMENT LLC | 7,400,316 7.800% | -3,762,493 (-33.71%) | Filing |
| 2026-04-28 3:14 pm Purchase | 2026-04-24 | 13D | MIAMI INTL HLDGS INC MIAX | HORIZON KINETICS ASSET MANAGEMENT LLC | 11,162,809 12.200% | 101,410 (+0.92%) | Filing |
| 2026-04-14 10:08 am Purchase | 2026-04-07 | 13D | MIAMI INTL HLDGS INC MIAX | HORIZON KINETICS ASSET MANAGEMENT LLC | 11,061,399 12.100% | 1,561,404 (+16.44%) | Filing |
| 2025-11-26 1:35 pm Purchase | 2025-11-24 | 13D | MIAMI INTL HLDGS INC MIAX | HORIZON KINETICS ASSET MANAGEMENT LLC | 9,499,995 11.700% | 820,248 (+9.45%) | Filing |
| 2025-08-21 2:46 pm Purchase | 2025-08-14 | 13D | MIAMI INTL HLDGS INC MIAX | HORIZON KINETICS ASSET MANAGEMENT LLC | 8,679,747 10.700% | 8,679,747 (New Position) | Filing |