Fundraising Fox

QAI Ventures

Venture capital

Zurich · Pre-Seed–Growth · 25 people tracked

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Investment thesis

QAI Ventures backs builders of quantum and enabling technologies across every layer of next-generation compute, spanning quantum computing, sensing, communications, quantum-adjacent technologies, and advanced computing infrastructure. It targets applications in finance, life sciences, industrials, and networks & communications. Beyond capital, the firm operates as an ecosystem platform combining investment, accelerator and venture-building programs, and corporate partnerships to connect research institutions, founders, corporates, investors, and governments. Founded in Switzerland and active across Europe, North America, and Asia-Pacific, it invests from pre-seed to Series C, aiming to turn frontier innovations into market-ready solutions with faster validation, stronger deal flow, and reduced risk.

Source: firm website, verified Aug 3, 2026.

Stage
Pre-Seed–Growth
Check
$540K – $2.2M
HQ
Zurich, CH
Instruments
Equity
Founded
2023
AUM
$50M
Tracked investments
38

Team · 25 people

from the firm's website & public directories
Dr. Axel Thierauf· General Partner
Dr. Axel Thierauff· General Partner
Anton Wendeborn· Events & Office Managerin
James Sanders· Investments Managerin
Mira Dechant· Chief Marketing Officerin
Tobias Denzler· Global Head of Science and Technologyin

Global head of science and technology with a PhD in physics.

Tobias Denzler PhD· Head of Science & Technology

What they invest in

from 35 of 38 portfolio companies

Deep Tech ×26Quantum Computing ×25Hardware ×13AI & Machine Learning ×10Biotech ×6Enterprise Software ×4Semiconductors ×4Developer Tools ×3

HQs:Canada×3Switzerland×2Germany×2United States×2Denmark×1Spain×1

Who they back

founder profiles across 15 portfolio companies
47%
solo founders
7 of 15 mapped founding teams

Founding team size:solo founder×72 founders×43 founders×24+ founders×2

Investments · 38 tracked

founders shown can be your intro path
Anaqoranaqor.io
Bosonicbosonic.uk

Bosonic is developing computing and hardware infrastructure aimed at giving innovators access to advanced computational resources for testing and building ideas.

Deep TechHardware

Commutator Studioscommutatorstudios.com

Commutator Studios offers a tool that automatically optimizes quantum applications by finding the best execution parameters across different quantum computers, reducing errors and improving accuracy, reliability, and performance.

Deep TechDeveloper ToolsQuantum Computing

Co-investorsPreston-Werner Ventures

Drylabzdrylabz.com

DryLabz builds diagnostics technology aimed at making better use of healthcare data to support clinical decision-making.

AI & Machine LearningDigital HealthHealthtech

Harmoniqsharmoniqs.co
Kelvinquantumkelvinquantum.comin

Kelvin Quantum designs cryogenic electronic circuits and systems — from integrated circuits like DACs, ADCs, RF mixers, and amplifiers to full in-fridge FPGA-based control and readout platforms — that operate from room to deep cryogenic temperatures.

HardwareQuantum ComputingSemiconductors

Kipu Quantumkipu-quantum.comin

Kipu Quantum offers a platform and matchmaking agent (Tinkuq) that helps enterprises, researchers, and universities build quantum-centric applications without prior quantum computing expertise.

Deep TechEnterprise SoftwareQuantum Computing

Co-investorsDeepTech & Climate FondsEntrada VenturesLBBW Venture Capital GmbHOnsight VenturesQuantonationVerve Ventures+1 more

Kvantifykvantify.comin

Kvantify develops software that runs on both quantum computers and classical computing architectures (CPU/GPU) to solve chemistry and biology problems for molecular and drug discovery.

BiotechDeep TechQuantum Computing

Co-investorsDreamcraft

Moonlight AImoonlight-ai.com

Moonlight AI develops software that uses computer vision on routine whole slide images of blood, bone marrow, and cytology smears to detect genomic aberrations, helping diagnostic laboratories complement and triage molecular testing such as NGS.

AI & Machine LearningBiotechHealthtech

Christian Ruiz(CEO/CSO)in

Mqsmqs.dkin

MQS builds Cebule, a platform combining quantum chemistry calculations and machine learning pipelines to predict molecular properties and design experiments for R&D teams.

AI & Machine LearningDeep TechQuantum Computing

Co-investorsRockstart

Multiverse Computingmultiversecomputing.comin𝕏

Multiverse Computing develops model compression technology and compact AI models that let organizations run large-scale AI at lower compute cost across cloud, data center, and edge environments.

AI & Machine LearningDeep TechQuantum Computing

Co-investorsCDP Venture CapitalQuantonationMaRS

Munich Quantum Instrumentsmunich-quantum-instruments.com

Munich Quantum Instruments develops Superconducting Nanowire Single Photon Detectors (SNSPDs) built on a patented architecture for scalability, performance, and speed.

Deep TechHardwareQuantum ComputingMunich, DE

Nexmrnexmr.com

NexMR, an ETH Zurich spin-off, develops light-coupled NMR hardware, consumables, and automated analysis software to increase throughput and reduce resource use in NMR-based drug discovery pipelines.

BiotechDeep TechHardwareZurich, CH

Félix Torres(Co-founder & CEO)Matthias Bütikofer(Co-founder & CSO)

BoardRoland Riek(Scientific Advisor)Anil Sethi(Board Member)

Co-investorsKickfund

Orbionorbion.lifein

Orbion is a protein engineering platform that predicts protein behavior—expression yield, stability, and developability—from sequence alone, so labs can rank and shortlist candidate constructs and mutations before running bench experiments.

AI & Machine LearningBiotechDeep Tech

Peakquantumpeakquantum.dein

Peak Quantum develops error-protected superconducting quantum processing units (QPUs) designed for fault tolerance at the hardware level, reducing the need for active quantum error correction and the number of physical qubits required.

Deep TechHardwareQuantum ComputingMunich, DE

Max Werninghaus(Founder)

Pexmachinapexmachina.comin

PexMachina develops physics-based molecular simulation for drug discovery, using quantum-ready computational chemistry and AI agents to predict properties like binding, stability, and oral availability of peptides.

AI & Machine LearningBiotechDeep Tech

Matthias Kaiser(Founder)in

Phoenix Technologiesphoenix-technologies.chin

PHOENIQS is a Swiss provider of sovereign cloud infrastructure and AI services, offering AI-ready hosting, access to open-source models, and a platform to deploy governed AI applications and agents within Swiss jurisdiction.

AI & Machine LearningCloud ComputingEnterprise Software

Qambriaqambria.comin

Qambria develops an HPC scale-out architecture that combines massively parallel classical systems with quantum computers, targeting the boundary between classical high-performance computing and quantum systems.

Cloud ComputingDeep TechQuantum Computing

QCentroidqcentroid.xyzin

QCentroid provides a platform for adopting quantum computing that enables organizations to integrate, deploy, and scale quantum solutions across their business.

Developer ToolsEnterprise SoftwareQuantum Computing

Co-investorsBStartup

Qdcqdc.ai

QDC develops veloxQ, a physics-inspired optimization engine intended to solve large-scale computational problems for enterprises.

Deep TechEnterprise SoftwareQuantum Computing

Qendraqendra.techin

Qendra builds control systems for quantum computing experiments, with a focus on trapped ions and neutral atoms in AMO (atomic, molecular, and optical) labs.

Deep TechHardwareQuantum Computing

Qnityqnity.bio

Qnity builds a quantum-electrochemical chip using nanogold-silicon electrodes and quantum sensing to perform ultra-sensitive, real-time molecular screening and binding affinity analysis across molecule sizes, from small organics to biologics.

BiotechDeep TechQuantum ComputingTulsa, US

Co-investorsGRIDX

Qperfectqperfect.ioin𝕏

QPerfect develops MIMIQ, a quantum computing emulation platform that creates hardware-accurate digital twins of quantum processors to accelerate quantum software research and development.

Deep TechDeveloper ToolsQuantum Computing

QphoXqphox.euin

QphoX develops quantum transduction technology and single-photon interfaces that convert signals between microwave, optical, and telecom frequencies to interconnect and scale quantum computers.

Deep TechHardwareQuantum Computing

Co-investorsQDNL ParticipationsQuantonation

Qpicsqpics.comin

QPICs operates a photonic integrated circuit (PIC) foundry offering fast-turnaround chip fabrication for quantum and photonics developers, aiming to shrink optical setups to chip scale.

HardwareQuantum ComputingSemiconductors

Qualia Therapeuticsqualia-therapeutics.com
Quanscientquanscient.comin

Quanscient develops Allsolve, a cloud-native multiphysics simulation platform that runs coupled simulations at scale, offers a Python SDK with agentic AI workflows, and trains physics-aware surrogate models (MultiphysicsAI) for design exploration.

AI & Machine LearningDeep TechQuantum Computing

Quantasensingtecquantasensingtec.comin

Quantasensingtec develops low-noise RF amplifiers designed to detect and strengthen weak signals while minimizing added noise.

Deep TechHardwareQuantum Computing

Quantizedtechquantizedtech.comin

Quantized Technologies Inc.

CybersecurityDeep TechQuantum ComputingCalgary, CA

Qubic Inc.qubictech.coin

Qubic develops quantum microwave systems based on superconducting circuits that generate entangled signals and filter noise to detect, image, and communicate with signals otherwise hidden in ambient noise.

Deep TechDefense TechQuantum ComputingSherbrooke, CA

Co-investorsInnovative Solutions CanadaWaterloo Accelerator Centre

Quminexquminex.comin

Quminex applies machine learning and predictive modeling to multi-dimensional geological data to identify and validate ore deposits, with a focus on critical minerals.

AI & Machine LearningCleantechDeep TechSherbrooke, CA

Regenesismaterialsregenesismaterials.comin

Regenesis Materials develops advanced recycled materials for eyewear brands, using nanotechnology to combine ocean-bound plastic waste and captured CO₂ from coconut shells into net-zero materials for sports, fashion, and optical/smart frames.

Circular EconomyClimate TechNew Materials

Scenario Xscenario-x.aiin𝕏

Scenario X provides AI and quantum-computing analytics for financial institutions, offering modules for adverse scenario modelling, pre-provision net revenue projections, risk assessment, and data consolidation.

AI & Machine LearningData & InfrastructureDeep TechFintechQuantum ComputingSaaS

Achille Yomi(Co-founder & CEO)in

Co-investors500 Global

Semiqonsemiqon.techin

SemiQon develops silicon-based, cryo-optimized CMOS quantum processors aimed at making quantum computers more scalable, affordable, and sustainable.

HardwareQuantum ComputingSemiconductors

Janne Lehtinen(Co-founder & CTO)in

Co-investorsLunar VenturesVoima Ventures

Sqkcloudsqkcloud.com

SQK builds validated, secure computing systems for high-trust industries, with QMedic as its lead product for CT/MRI reconstruction, refinement, comparison, and quality-governed imaging workflows serving hospitals, research imaging teams, and medical AI partners.

Deep TechMedical DevicesQuantum Computing

Wave Photonics Managed by: Mark Whitewavephotonics.comin𝕏

Wave Photonics develops photonic component libraries and co-packaged optics intellectual property for licensing, including energy-efficient modulator designs and control circuits.

Deep TechHardwareSemiconductorsCambridge, GB

Mateusz Kubica(Founder)

Co-investorsUK Innovation & Science Seed Fund

Xenquantumxenquantum.comin

Xen Quantum develops silicon-photonics-based quantum key distribution (QKD) modules that integrate with existing telecom rack equipment and fibre-optic infrastructure to secure critical networks.

CybersecurityHardwareQuantum Computing

ZuriQzuriq.com

ZuriQ develops quantum computing hardware based on a three-dimensional trapped-ion architecture designed for scalable qubit systems while preserving connectivity and operation fidelity.

Deep TechHardwareQuantum Computing

Pavel Hrmo

Co-investorsOnsight VenturesQuantonationSquareOneFirst Momentum

Frequently asked questions

How many investments has QAI Ventures made?
QAI Ventures has 38 tracked investments.
What stage does QAI Ventures invest at?
QAI Ventures invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth stages.
What is QAI Ventures's typical check size?
QAI Ventures typically writes checks of $540K – $2.2M.
What sectors does QAI Ventures focus on?
QAI Ventures focuses on AI & Machine Learning, Cloud Computing, Data & Infrastructure, Deep Tech, Hardware, Quantum Computing, Semiconductors.
Where is QAI Ventures located?
QAI Ventures is headquartered in Zurich, CH.
Who does QAI Ventures co-invest with?
QAI Ventures most often shares deals with Quantonation, Onsight Ventures, CDP Venture Capital, among 19 tracked co-investors.

Media · Podcasts & interviews

featuring the team

QAI Ventures (Alexandra Beckstein, CEO) for QuEra Quantum Alliance

QuEra Computing · Alexandra Beckstein

QAI Ventures Quantum & AI Finance Innovation Day 2024

QAI Ventures

QAI Ventures - Quantum & Advanced AI Startup Accelerator Q&A Session / Jan. 9th, 2025

QAI Ventures

QAI Ventures - Accelerator Batch II - Quantum Startups

QAI Ventures

Images

QAI Ventures photo

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