MDB Capital Holdings, LLC Business Summary

MDB Capital Holdings, LLC (MDBH) operates as a specialized "public venture" platform that identifies, develops, and finances early-stage deep technology and life sciences companies. The company generates revenue through three primary streams: transaction-based fees from its self-clearing broker-dealer (Public Ventures, LLC), intellectual property (IP) strategy and legal consulting fees via its PatentVest subsidiary, and capital appreciation from significant equity stakes in its "Big Idea" portfolio companies. MDBH is structured into two reportable segments: Broker-Dealer & IP Services, which provides investment banking and patent analytics, and Technology Development, which manages internal R&D ventures like MDB Minnesota One. As of early 2026, the company is executing a strategic spin-off of PatentVest to unlock its value as a standalone legal-tech entity. MDBH competes with boutique investment banks such as ROTH Capital Partners, Ladenburg Thalmann, Alliance Global Partners, and Craig-Hallum Capital Group, but distinguishes itself by integrating proprietary IP diligence and a community-driven financing model that bypasses traditional private venture capital routes. The leadership team is anchored by co-founders Christopher Marlett (CEO and Chairman) and Anthony DiGiandomenico (Head of New Venture Discovery), who established the firm in 1997 and have since led over 17 IPOs for high-growth technology firms. Marlett brings nearly four decades of experience in micro-cap finance and international economic development, while DiGiandomenico focuses on sourcing disruptive innovations. Other key executives include Mohammad Hayat (Head of Corporate Development and Chief Legal Officer), George Brandon (President), and Jeremy James (CFO). The company recently strengthened its governance with the February 1, 2026, appointment of Jeb Terry Sr.—founder of Aberdeen Investment Management and a veteran micro-cap biotech investor—to the Board of Directors and Audit Committee, following the retirement of Susanne Meline. MDBH maintains high-profile strategic collaborations with the Mayo Clinic and maintains an investor network that includes the TCA Venture Group and Keiretsu Forum.