Horizon Kinetics Holding Corporation (HKHC) Upgrades to Trade on OTCQX(R) Best Market

Core Insights - Horizon Kinetics Holding Corporation upgraded to OTCQX from OTCID™ Basic Market, enhancing its market visibility and trading status [1] Company Summary - Horizon Kinetics Holding Corporation is the holding company for Horizon Kinetics Asset Management LLC [1] - The company began trading on OTCQX under the symbol "HKHC" on September 5th, 2025 [1]