MDB Capital Holdings LLC is an investment holding company, which engages the provision of a foundational platform specializing in financing startups, partnering with co-founders, and fostering significant value creation. It operates through the following segments: Broker Dealer and Intellectual Property Service, Technology Development, and Other. The Broker Dealer and Intellectual Property Service segment includes Public Ventures and PatentVest. The Technology Development segment is involved in Invizyne. The Other segment focuses on non-income generating subsidiaries for management of the business including MDB CG Management Company, Inc. The company was founded by Christopher Anthony Marlett in 1997 and is headquartered in Addison, TX.