MDB Capital Holdings LLC (MDBH) is a financial services company that finances early-stage technology companies and facilitates their entry into public markets through its self-clearing broker-dealer subsidiary, Public Ventures LLC. Revenue comes primarily from fee income generated by the licensed broker-dealer, which totaled $4.3 million in FY2025 compared to $2.2 million in FY2024, with additional income from realized and unrealized gains on investment securities. The firm targets microcap and small-cap companies with market values under $500 million, structuring and underwriting financing transactions ranging from $5 million to $60 million and select IPOs valued between $20 million and $50 million. A second subsidiary, PatentVest Inc., provides intellectual property strategy and legal services to technology companies. As of December 31, 2025, the company held $15.5 million in cash and reported working capital of $13.2 million. MDB Capital has operated its broker-dealer for more than 28 years.

Revenue model

Fee income from investment banking and broker-dealer transactions is the primary revenue source, totaling $4.3 million in FY2025. Additional income comes from realized and unrealized gains on investment securities held within the licensed and non-licensed broker-dealer entities, and other operating income of $0.9 million in FY2025. PatentVest generates revenue from IP strategy and legal services.

Products and services

Public Ventures LLC: self-clearing broker-dealer providing underwriting, IPO facilitation, post-IPO financing, trade clearing and settlement, wire transfers, securities deposits, and cash management services for microcap and small-cap companies. PatentVest Inc.: intellectual property strategy development and legal services for technology companies.

Customers and end markets

Early-stage technology companies seeking initial financing and public market listings, targeted at companies with market values under $500 million. The firm also serves a community of individual investors participating in microcap and small-cap financings through the Public Ventures platform.

Value-chain role

MDB Capital acts as an intermediary and co-founder partner between early-stage technology companies and public capital markets. It screens companies using six investment criteria, including technology leadership, platform technology, IP strength, and market potential, then structures financing and facilitates IPOs or merger and acquisition exits.

Source: SEC 10-K, filed 2026-03-31

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