About MDB

How You Can Join Us

Purchase MDBH Shares

  • Long-term growth in MDBH share price
  • Priority pro-rata access to new spin-out Big Idea companies and public company financings
  • Potential stock or cash distributions as public venture portfolio matures

Open an MDB Capital Account

  • The first brokerage and online investment platform built for public venture investing
  • Access to participate in public, venture-stage MDB investment opportunities
  • Personalized, concierge-level services from a dedicated registered representative and service team

Apply for MDB Catalyst Membership

  • Join our private, accredited investor group for deeper engagement with public venture investing
  • Get priority access to participate in MDB financing opportunities
  • Collaborate with like-minded investors and get full access to private Member Portal and more

Submit Your Big Idea

  • Since 1997, MDB has been enabling big ideas from inventors, entrepreneurs, and universities to get to market through our unique public venture capital model.
  • Submit your Big Idea for our consideration using the button below.