QDNL Participations

Founded in 2023, QDNL Participations is a €15 million early-stage investment fund based in Amsterdam, Netherlands. It specializes in quantum technologies, focusing on companies that develop or use entanglement or superposition-based technology and related classical supply chain components.

Chad Rigetti Ph.D

Venture Partner

9 past transactions

QuantWare

Series A in 2025
QuantWare is the global leader in quantum hardware, specializing in scalable quantum processors. It offers a unique 3D chip architecture that enables clients to build powerful quantum computers capable of tackling real-world challenges in fields like climate and life sciences.

QT Sense

Seed Round in 2025
QT Sense is a technology company that develops and manufactures quantum sensing tools. These tools are designed to advance biomedical research and treatment, with a particular focus on understanding and detecting oxidative stress-related diseases in real-time. The company's expertise lies in sensing technology, diamond magnetometry, confocal microscopy, and precision measurement, allowing research professionals to gain deeper insights into cellular processes.

QT Sense

Pre Seed Round in 2024
QT Sense is a technology company that develops and manufactures quantum sensing tools. These tools are designed to advance biomedical research and treatment, with a particular focus on understanding and detecting oxidative stress-related diseases in real-time. The company's expertise lies in sensing technology, diamond magnetometry, confocal microscopy, and precision measurement, allowing research professionals to gain deeper insights into cellular processes.

Q*BIRD

Seed Round in 2024
Q*Bird is a technology company focused on developing quantum networking solutions to support the current and future European quantum internet. It specializes in creating devices and infrastructure for quantum-secured data communications, including networking equipment that facilitates secure data transfer impervious to even the most advanced computing threats. The company’s product offerings include gadgets designed for the transmission of qubits and hubs that generate entanglement, enabling multipoint-to-multipoint connectivity. By providing innovative solutions such as quantum key distribution technology, Q*Bird aims to enhance security, promote cost-effective scaling, and improve the overall capabilities of digital infrastructure within the quantum networking space.

QphoX

Venture Round in 2024
QphoX develops quantum modem devices that facilitate communication among quantum computers over a quantum network.

QuantaMap

Seed Round in 2023
QuantaMap specializes in cryogenic scanning technology and quantum sensors to develop advanced quantum applications.

Orange Quantum Systems

Pre Seed Round in 2023
Developer of customized full-stack quantum systems designed to accelerate the characterization of quantum devices. The company offers test equipment for quantum computing, including transmon qubit characterization systems, along with customization, maintenance, training, and related services.

QuantWare

Seed Round in 2023
QuantWare is the global leader in quantum hardware, specializing in scalable quantum processors. It offers a unique 3D chip architecture that enables clients to build powerful quantum computers capable of tackling real-world challenges in fields like climate and life sciences.

Fermioniq

Pre Seed Round in 2022
Fermioniq is a quantum software company that develops quantum computing algorithms and software, offering a platform for scalable simulation and testing of quantum algorithms with customizable noise models, intermediate measurements, and classical control, plus online training of variational circuits to support application and hardware developers in designing, benchmarking, and testing quantum algorithms at scale and using digital twins to guide quantum hardware research.
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