Fundraising FoxNegative Five Ventures
Venture capitalDen Haag · Pre-Seed–Seed
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Investment thesis
Negative Five invests at the earliest conceivable stage, when founders are just thinking of starting up (its self-described -5 Innovation Readiness Level). Drawing on the team's own founder experience, it helps entrepreneurs move from problem definition through solution expansion, MVP building, team-building, branding, and fundraising toward Problem-Solution and Product-Market Fit. The firm supports Pre-Seed and Seed rounds and uses novel value-sharing contract structures such as share swaps. It operates globally, scaling products and startups for international audiences, and maintains a geographically diverse team and portfolio of mainly tech startups.
Source: firm website, verified Sep 20, 2026.
What they invest in
from 5 of 7 portfolio companiesGaming ×4AI & Machine Learning ×1Consumer ×1Creator Economy ×1Developer Tools ×1Hardware ×1SaaS ×1
Investments · 7 tracked
founders shown can be your intro pathPiranest is a platform for managing events, serving organizers, vendors, and attendees with features for bookings and schedules.
SaaS
Rebellis AI generates high-quality 3D character animations from text descriptions using machine learning and human motion data, designed for game developers and animation creators.
AI & Machine LearningCreator EconomyDeveloper ToolsGaming
Mohammad Seifi(Founder)in
Xeleratevr manufactures omnidirectional treadmills designed for virtual reality applications, enabling users to physically walk and run within VR environments while reducing motion sickness.
ConsumerGamingHardware
Marvin Fachtner(Founder)in
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
ConjectureNegatron
Frequently asked questions
- How many investments has Negative Five Ventures made?
- Negative Five Ventures has 7 tracked investments.
- What stage does Negative Five Ventures invest at?
- Negative Five Ventures invests at the Pre-Seed, Seed stages.
- What sectors does Negative Five Ventures focus on?
- Negative Five Ventures focuses on AI & Machine Learning, Cloud Computing, Crypto & Web3, Data & Infrastructure, Developer Tools, Fintech, Gaming, Sector Agnostic.
- Where is Negative Five Ventures located?
- Negative Five Ventures is headquartered in Den Haag, NL.
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