Reporting Manager
HORIZON KINETICS ASSET MANAGEMENT LLC
Symbol
MIAX
Shares outstanding
81,119,131 shares
Disclosed Ownership
8,679,747 shares
Ownership
11%
Form type
SCHEDULE 13D
Filing time
21 Aug 2025, 14:46:49 UTC
Date of event
14 Aug 2025
Next filing
26 Nov 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
HORIZON KINETICS ASSET MANAGEMENT LLC 11% 8,679,747 8,679,747 0 /s/Jay Kesslen Jay Kesslen, General Counsel 0001056823