Runtime Ventures is a venture capital firm specializing in seed and pre-seed stage investments exclusively in cybersecurity startups. Founded by former cybersecurity founders and operators, the firm provides not only capital but also mentorship and strategic support to early-stage cybersecurity entrepreneurs. Their investment focus is on enterprise cybersecurity products and services with strong go-to-market potential and product-led growth opportunities. Runtime Ventures typically leads rounds with check sizes ranging from $250k to $2m and often takes board seats to actively support portfolio companies. They emphasize strong founding teams, market potential, and traction such as MVPs or paying customers. The firm has a portfolio of innovative cybersecurity companies and is recognized for its hands-on approach and deep domain expertise in the security space.
Primary stage
Initial check size
Hardware / software
B2B / B2C
Investment focus
Investment style
Specialist
Data last enriched
Aug 14, 2026
Investing team
- David EndlerGeneral Partner & Co-Founder
- Michael SuttonGeneral Partner & Co-Founder
- Elisa YanAnalyst