MDB Capital Holdings, LLC is a holding company that has three subsidiaries: MDB CG Management Company (MDB Management), Public Ventures, LLC (Public Ventures), and PatentVest, Inc. (PatentVest), and has a partner company, Invizyne Technologies, Inc. (Invizyne). The Company’s segments include broker dealer & intellectual property service, and technology development. The broker dealer & intellectual property service segment has two subsidiaries, Public Ventures and PatentVest. Public Ventures is a full-service broker dealer firm focusing on conducting private and public securities offerings. PatentVest offers in-depth patent research used for investment banking due diligence. The technology development segment has one subsidiary, Invizyne. Invizyne is a research and development stage synthetic biology company. MDB Management is an administrative entity whose purpose is to conduct, and wherever possible, to consolidate shared services/resources, for its United States-based operations.