/Investor DB

System.One — Full Portfolio

12 tracked investments · listed companies and verified rows first

Stellatestellate.coin𝕏✓ verified

Stellate provides an edge caching and performance layer for GraphQL APIs, offering response caching, rate limiting, monitoring, and analytics to reduce backend load and improve API stability.

Cloud ComputingData & InfrastructureDeveloper ToolsSaaS

Max Stoiber(Founder)inTim Suchanek(Founder)in

Co-investorsTiger Global Managementboldstart ventures

Vay Technologyvay.ioin✓ verified

Vay develops remote driving technology that lets a human operator drive a vehicle from a distance without anyone inside, enabling services such as car sharing, fleet logistics, last-mile delivery, and public transport.

AI & Machine LearningLogistics & Supply ChainMobility & TransportationRoboticsLas Vegas, US

Thomas von der Ohe(Founder)inFabrizio Scelsi(Founder)inBogdan Djukic(Founder)inFabrizio Ugo Scelsi(Founder)

Co-investorsAtomicoVisionaries ClubCreandumEurazeoGrabInovia Capital+8 more

Deepset GmbHdeepset.aiin𝕏Apr 2022 · $14M

deepset builds tools for developing custom LLM agents and applications, and created Haystack, an open-source Python framework used as an enterprise standard for AI agents and applications.

AI & Machine LearningDeveloper ToolsEnterprise Software

Milos Rusic(Founder)inMalte Pietsch(Founder)inTimo Möller(Founder)

Co-investorsAcequia Capital (AceCap)Balderton CapitalGV (Google Ventures)Harpoon VenturesLunar VenturesMK Venture Capital+1 more

expand.aiexpand.aiin𝕏Seed

expand.ai converts websites into structured APIs that developers can query for data, handling technical challenges like bot detection and browser scaling while ensuring data accuracy.

Developer ToolsEnterprise SoftwareSan Francisco, US

Tim Suchanek(CEO)inJavier Morales

Co-investorsPioneerScript CapitalY CombinatorSequoia CapitalTiny Supercomputer Investment Company

Fiberplanefiberplane.comin𝕏Sep 2021

Fiberplane is an agent lab building developer tools for software work in the age of AI agents, including local-first, agent-native issue tracking for Claude Code, AI-powered code review that runs from the terminal or desktop, and a tool that binds specs to code to detect documentation drift.

AI & Machine LearningDeveloper ToolsSaaS

Micha Hernandez van Leuffen(Founder)in

Co-investorsCrane Venture PartnersNorthzoneNotion Capital

Hop Aerohop-aero.cominSeed

Hop Aero develops rocket-based cargo delivery systems designed to transport supplies to remote or contested locations at high speeds, primarily serving U.S. military and allied defense applications.

Advanced ManufacturingDeep TechDefense TechSpace TechLos Angeles, US

Jacob Balaj(CTO)inMatija Milenovic(CEO)inElizabeth Nava(Office \u0026 Operations Manager)

Co-investorsGaingelsLunar VenturesMK Venture CapitalRebel FundStemAI VCY Combinator+12 more

Labgeniustxlabgeniustx.comin𝕏Oct 2017

LabGenius develops EVA, an automated antibody discovery platform that uses machine learning and automation to identify and co-optimize complex therapeutic antibodies such as multispecifics.

AI & Machine LearningBiotechDeep TechLondon

Harrison Rickerby(Executive Officer, Director)

BoardJames Field(Founder)in

Co-investorsAcequia Capital (AceCap)AtomicoBackedBeast VenturesChampion Hill VenturesGaingels+9 more

Levitylevity.aiin𝕏Oct 2022 · $8.3M

Levity provides "Communication Intelligence" for the supply chain, using AI to analyze high volumes of emails, identify repetitive requests and bottlenecks, and automate workflows such as quoting, order entry, and document handling.

AI & Machine LearningLogistics & Supply ChainSaaS

Thilo Huellmann(Founder)in

Co-investorsAngular VenturesBalderton CapitalDiscovery Ventures III Gmb H & Co. KGChalfen VenturesMartin Henk

Martian Lawyers Clubmartianlawyers.clubin𝕏Sep 2023

Martian Lawyers Club builds generative game technology, including a runtime logic engine (Nomic) that creates new game behaviours during play and local world models trained on game state to enable richer player control.

AI & Machine LearningDeep TechGaming

Kamen(CEO)in

Co-investorsFly Ventures

Mondoomondoo.comin𝕏Sep 2025 · $17.5M

Mondoo provides vulnerability management software that uses AI agents to detect and automatically remediate security issues across IT infrastructure.

AI & Machine LearningCloud ComputingCybersecurityDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Soo Choi-Andrews(Founder)inDominik Richter(Founder)inChristoph Hartmann(Founder)Patrick Münch(Founder)

Co-investorsAtomicofirstminute capitalHV Capital

Prismaprisma.ioin𝕏May 2018 · $4.5M

Prisma builds an ORM and database tools for developers to simplify database workflows across application development, deployment, and scaling.

Cloud ComputingData & InfrastructureDeveloper Tools

Søren Bramer Schmidt(Founder)inAram Hardy(Founder)Johannes Schickling(Founder)Soren Bramer Schmidt(Founder)

Co-investorsAmplify PartnersHeavybitKleiner PerkinsMango CapitalPreston-Werner VenturesAltimeter Capital+2 more

Prismaprismalife.comMay 2018 · $4.5M

PrismaLife is a German insurance company offering risk protection and retirement savings products with a focus on sustainable investing aligned with ESG criteria.

FintechImpact & Social GoodInsurTech

Co-investorsVENPACEAdara VenturesFathomFuture Energy VenturesInsight PartnersKleiner Perkins+1 more

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.