Organization · Venture Capital
QDNL Participations
QDNL Participations, now rebranded as Ground State Ventures, is a venture capital firm focused on early-stage quantum technology startups. It operates globally, with a strong emphasis on bridging the gap between grant-funded research and commercial investment in quantum computing, sensing, and communication technologies.
Overview
What QDNL Participations does
What QDNL Participations is
QDNL Participations, now rebranded as Ground State Ventures, is a venture capital firm focused on early-stage quantum technology startups. It operates globally, with a strong emphasis on bridging the gap between grant-funded research and commercial investment in quantum computing, sensing, and communication technologies.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Venture Capital
- Founded
- Founded in 2022
- Approximate age
- About 4 years
- Structured capabilities
- Funder
- Last reviewed
- May 3, 2026
Official channels
Find QDNL Participations elsewhere
Open the official website or a supported primary organization account.
Capability profile
QDNL Participations as a funder
Investment thesis
QDNL Participations, now known as Ground State Ventures, focuses on bridging the gap between grant-funded quantum research and venture investment, targeting early-stage quantum technology companies.
Focus narrative
The organization invests in early-stage quantum technology companies, focusing on both idea-stage founders and those seeking venture funding for existing companies. Their mission includes reducing risks for investors, enhancing governance, and increasing the investability of quantum startups.
Value beyond capital
QDNL Participations offers significant value-add to its portfolio companies through deep technical due diligence led by a team of physicists, connections to Dutch quantum infrastructure, and the operational credibility of its partners, particularly in the quantum technology sector.
Terms and economics
- Typical check
- $0–$1,500,000
Focus and fit
- Stages
- Pre-seed · Seed · Series A
- Sectors
- Quantum Computing
- Regions
- Global · Europe · North America
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 7
Portfolio context
Notable portfolio companies include: QT Sense: A quantum sensing startup that secured €4 million to track living cells in real time. Diffraqtion: An MIT and University of Maryland spinout that raised $4.2 million to develop satellite constellations powered by a novel quantum camera. EuQlid: A startup that launched with $3 million to analyze semiconductors using a quantum device. Quantum Elements: A Los Angeles-based startup that launched an AI-native platform for quantum software and hardware development. SiC Systems: A startup focused on building quantum-enhanced AI for various applications, including biomanufacturing and defense operations. Orange Quantum Systems: Raised €12 million to develop scalable quantum chip testing tools. QuantWare: A Delft-based quantum hardware company that closed a Series A round totaling $27 million to commercialize a proprietary scaling technology for superconducting quantum processors.
Common questions
What to know about QDNL Participations
Upseed classifies QDNL Participations under the Venture Capital organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
May 3, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.