MDB Capital Holdings, LLC to Present at the LD Micro Main Event XIXPresentation on Tuesday, October 21st at 10:30 AM PTOctober 06, 2025 12:30 PM EDT | Source: LD MicroAddison, Texas--(Newsfile Corp. - October 6, 2025) - MDB Capital Holdings, LLC (NASDAQ: MDBH), a public venture platform focused on launching category-leading “Big Idea” companies, announced today that it will be presenting at the 19th annual Main Event on Tuesday, October 21st at 10:30 AM PT at the Hotel del Coronado in San Dieg ...