/Investor DB

Onsight Ventures — Full Portfolio

24 tracked investments · listed companies and verified rows first

Black Semiconductorblacksemi.comin✓ verified

Black Semiconductor develops graphene-based Integrated Graphene Photonics chip technology that combines photonics and electronics on the same wafer to improve chip connectivity, performance, and energy efficiency.

Deep TechHardwareSemiconductorsAachen, DE

Daniel Schall(Founder)inSebastian Schall(Founder)in

Co-investorsCambium CapitalCapnamicPorsche VenturesProject A VenturesVsquared VenturesScania Growth Capital+5 more

Cellevatecellevate.cominMay 2025✓ verified

Cellevate develops Cellevat3d nanofiber-based microcarriers and cell culture systems for upstream bioprocessing, used in viral vector, viral vaccine, and stem cell production by gene therapy and biopharmaceutical organizations.

Advanced ManufacturingBiotechDeep TechMedical DevicesNew MaterialsLong Beach, US

Maximilian Ottosson(Founder)inClint Monfort(Executive Officer, Director, Promoter)

Co-investorsIndustrifondenEuropean Investment BankEICEuropean Innovation Council Fund

BioNTechbiontech.comin𝕏

BioNTech is a biotechnology company developing immunotherapies that use the body's immune system, combining multiple therapeutic modalities and biological targets to treat cancer, infectious diseases, and other serious conditions.

BiotechHealthtechMainz, DE

Ozlem Tureci(Executive Officer)Ugur Sahin(Executive Officer)inSierk Poetting(Executive Officer)inSean Marett(Executive Officer)inRyan Richardson(Executive Officer)inUğur Şahin(Founder)in

Co-investorsHM Venture PartnersManta Ray VenturesMIG Capital AGPfizer Venture InvestmentsSalviaAndreessen Horowitz

Kipu Quantumkipu-quantum.comin

Kipu Quantum provides enterprise-ready quantum computing solutions and platforms that enable organizations with limited quantum expertise to access quantum computing capabilities.

AI & Machine LearningDeep TechEnterprise SoftwareQuantum Computing

Daniel Volz(Founder)Dr. Daniel Volz(Founder)Dr. Enrique Solano(Founder)Dr. Tobias Grab(Founder)Enrique Solano(Founder)Tobias Grab(Founder)

Co-investorsDeepTech & Climate FondsEntrada VenturesFirst MomentumLBBW Venture Capital GmbHQAI VenturesQuantonation+1 more

Lidroteclidrotec.dein𝕏

Lidrotec manufactures laser dicing machines for cutting microchips and wafers with precision and minimal damage using controlled liquid cooling and particle binding technology.

Advanced ManufacturingHardwareSemiconductorsBochum, DE

Dr.-Ing. Jannis Köhler(CPO & Co-founder)inAlexander Kanitz(CTO & Co-founder)inAlexander Igelmann(CEO & Co-founder)inJannis Koehler(Executive Officer)Jan Hoppius(CDO & Co-founder)in

BoardThorsten Reuter(Director)

Co-investorsLam CapitalLinden Capital

Plumeraiplumerai.comin

Plumerai develops a Video Intelligence pipeline that combines tiny on-device AI models for edge cameras with cloud-based Vision Language Models, offering features such as familiar face identification, people/vehicle/animal/package detection, AI video search, and AI captions.

Advanced ManufacturingAI & Machine LearningHardwareIoTLondon, GB

Roeland Nusselder(Founder)inTaras Iakymchuk(Founding CTO)in

Co-investorsCrane Venture PartnersEntrepreneur FirstLocalGlobeOTB VenturesPartech VenturesQC·VENTURES+2 more

Q Antqant.comin

Q.ANT builds photonic processors that execute non-linear operations natively in the analog domain, aimed at reducing data movement and energy use for AI and high-performance computing workloads.

AI & Machine LearningDeep TechSemiconductors

Michael Foertsch(Founder)Michael Förtsch(Founder)Michael Förtsch in(Founder)

Co-investorsEuropean Super Angels ClubGrazia Equity GmbHimec.xpandKinled HoldingLEA PartnersUVC Partners+1 more

Quantumdiamondsqd-st.comin

QD-ST develops quantum sensing microscopy systems for semiconductor failure analysis and defect localization in integrated circuits.

Deep TechQuantum ComputingSemiconductorsMunich, DE

Fleming Bruckmaier(Founder)inKevin Berghoff(Founder)inDr. Fleming Bruckmaier(Founder)

Co-investorsBayern KapitalEarlybird Venture CapitalFirst MomentumIQ CapitalWorld FundXPRENEURS+1 more

Roofline AIroofline.aiin

Roofline develops an SDK for edge AI applications that enables developers to import and deploy models across diverse hardware using a Python interface and proprietary AI compiler technology.

AI & Machine LearningDeep TechDeveloper Tools

Co-investorsCombination VCFirst Momentum

Semronsemron.aiJan 2024

Semron develops 3D CapRAM, a semiconductor technology that performs computing inside 3D flash memory by stacking many layers on silicon, aimed at meeting the compute demands of AI workloads.

Deep TechHardwareSemiconductors

Aron Kirschen Kai-Uwe Demasius(Founder)

Co-investorsOTB VenturesSquareOneJoin Capital

Semronsemron.comJan 2024 · $7.9M

Semron develops 3D CapRAM, a technology that performs computation inside 3D flash memory to address AI compute and memory demands.

Deep TechHardwareSemiconductors

Co-investorsJoin CapitalOTB VenturesSquareOne

Sensible Biotechnologiessensible.bioin𝕏Seed

Sensible Biotechnologies develops a cell-based mRNA design and manufacturing platform that produces pure, low immunogenicity mRNA therapeutics for drug development.

AI & Machine LearningBiotechDeep TechHealthtechOxford, GB

Miroslav Gasparek(Founder)inMarian Kupculak(Founder)in

BoardVishal Gulati(Director)Joel Schoppig(Director)

Co-investorsCivilization Ventures Management, LlcIn-Q-TelKAYARecode VenturesTech HorizonsTraun Ventures+13 more

TeraSiterasi.ioOct 2023

RU1 is a lightweight, rapidly-deployable high-frequency wireless communication system designed for mission-critical operations in demanding environments.

Deep TechDefense TechHardwareIoTStockholm, SE

James Campion(Founder)in

Co-investorsIn-Q-TelJoin CapitalNavigare VenturesAlmi InvestDeeptech Labs

Zenlnkd.in

HealthtechWellness & FitnessNew York City, US

Daniel James(Founder)Ion-Alexandru Secara

Co-investorsBowery CapitalFocal VenturesFYNSA Private CapitalGenoa VenturesHelicapHitachi Ventures+8 more

zero thirdzerothird.com

zerothird builds entanglement-based quantum key distribution (QKD) cryptography to protect critical infrastructure, generating identical keys by distributing entangled photons to endpoints so any eavesdropping is detectable.

CybersecurityDeep TechQuantum Computing

Co-investorsHansmann Family OfficeHEC Paris Incubator

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 Hrmoin

Co-investorsFirst MomentumQAI VenturesQuantonationSquareOneExtantia CapitalFORWARD.one

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

AcornClock BioKeyone Jp0O3Refined Laser SystemsSolexaSynteny BiotechnologySyntharaXolo

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.