MDB Capital (MDBH)
Builds early-stage technology ventures through brokerage, IP services, and company formation.
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Builds and finances early-stage technology ventures, combining Public Ventures' broker-dealer services with PatentVest IP services. The founder-led platform participates as an early company builder and capital provider, while its results depend on the financing and performance of its subsidiaries and partner companies.
Builds and finances early-stage technology ventures through a public-venture model. Public Ventures, operating as MDB Capital, is a registered broker-dealer, while PatentVest provides IP services. It may participate as a founder, supply initial capital, and identify technology for ventures.
Operations are concentrated in the United States, with early public offerings primarily on Nasdaq. MDB CG Management Company, Public Ventures, and PatentVest are wholly owned subsidiaries; MDB Minnesota One is identified as a partner company.
Christopher Marlett has led the operating model since its 1997 origins, and the holding company listed on Nasdaq in 2023. The corporate structure depends on the performance and financing of its platform, subsidiaries, and partner companies.
Company facts
Categories
No analyst consensus on record.
EPSReportedEstimate
RevenueReportedEstimate
Balance sheet, Jun 30, 2026Cash & short-term investments $12.9M · Total debt $553.0K · Total assets $50.8M · Shareholders' equity $49.6M
- Revenue
- $1.3M
- Operating income
- −$6.1M
- Net income
- −$9.3M
No dividends on record.
| Insiders10 holders · as of May 8, 2026 | 110.10% | 5.99M shares | |
| Adds to | 110.10% |
5.44M company shares as of Sep 3, 2026 · holders as of their latest filing
Two share counts disagree (5.44M in the company's Sep 3, 2026 report, 10.09M elsewhere); stakes use the report.
These groups come from separate filings that can overlap, so they add to 110.10%; nothing is left for Other.
Top shareholders13F · 13D/G · Form 4
| Holder | Stake | Shares | Evidence |
|---|---|---|---|
Christopher A. MarlettInsiderdirector, 10 percent owner, officer: Co-Founder | 76.54% | 327,866 · 3.76M · 79,933 | Form 4filed Jan 5, 2026 ↗ |
Anthony DigiandomenicoInsiderdirector, 10 percent owner | 25.14% | 95,699 · 1.25M · 26,645 | Form 4filed Aug 8, 2025 ↗ |
George Hugh BrandonInsiderdirector, officer: President | 1.94% | 105,248 | Form 4filed Dec 11, 2025 ↗ |
Mohammad HayatInsiderdirector, officer: Chief Legal Officer | 1.84% | 100,000 | Form 4filed Dec 20, 2024 ↗ |
Matthew HaydenInsiderdirector | 1.29% | 40,000 · 30,000 | Form 4filed Dec 20, 2024 ↗ |
| See all 10 → | |||
Form 4 — an insider's transaction report
Insider tradesForm 4
| Date | Insider | Role | Shares | Avg price |
|---|---|---|---|---|
| Jan 26, 2025 | Jeremy William James | officer: CFO | −3,440 | $3.32 |
| Jan 23, 2026 | Jeremy William James | officer: CFO | −60 | $3.34 |
| Jan 2, 2026 | Christopher A. Marlett | director, 10 percent owner, officer: Co-Founder | +1,213 | $3.50 |
| Dec 30, 2025 | Christopher A. Marlett | director, 10 percent owner, officer: Co-Founder | +4,400 | $3.18 |
| Dec 31, 2025 | Christopher A. Marlett | director, 10 percent owner, officer: Co-Founder | +4,387 | $3.35 |
- Piper Sandler
Investment-banking rival in corporate financing and equity brokerage
- Stifel Financial
Capital-markets rival in underwriting and technology-company financings
- Oppenheimer
Capital-markets rival in investment banking and equity underwriting
- CRA International
IP-advisory rival in patent valuation and transaction services
Compare
| Company | Price | Change | |||||
|---|---|---|---|---|---|---|---|
| MDB Capital | $2.95 | +3.51% | $29.8M | — | — | 4.6 | — |
| Piper Sandler | $75.19 | −0.01% | $5.08B | 17.4 | 15.1 | 2.4 | +25.8% |
| Stifel Financial | $80.61 | +0.74% | $12.13B | 9.4 | 11.5 | 1.8 | −1.4% |
| Oppenheimer | $117.36 | −0.15% | $1.24B | 13.2 | — | 0.7 | +21.9% |
| CRA International | $171.02 | −0.85% | $1.11B | 22.8 | 18.9 | 1.4 | +12.8% |
| Median | 15.3 | 15.1 | 1.6 | +17.4% |