OTB Ventures is a deep tech venture capital firm focused on early-stage (seed to Series A) B2B companies, primarily in Central and Eastern Europe. They invest in disruptive technologies like AI, space tech, and cybersecurity with global potential.
Portfolio
5
Fund Size
$350M
Top Stage
Series B
Last 12 Mo
2
Team
MH
Marcin Hejka
General Partner
Stage Distribution
Portfolio
5 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Hydrosat | Series B | $60M | Jan 2026 |
| MatrixSpace | Series B | $20M | Oct 2025 |
| Synthara | Series A | $11M | Jun 2024 |
| akirolabs | Seed | $5M | Jan 2024 |
| Cosmose | Series A | $15M | Aug 2020 |
Top Co-Investors
Raptor Group1 shared
Luxembourg Future Fund1 shared
Statkraft Ventures1 shared
Cultivation Capital1 shared
Santa Barbara Venture Partners1 shared
HTGF1 shared
Vsquared Ventures1 shared
Last updated: 1 March 2026