Marathon Venture Capital
Venture capitalAthens · Seed–Series B · 5 people tracked
Find your way into Marathon Venture Capital
911 people in our graph share verified history with the Marathon Venture Capital team — schools, employers, funds. One of them is your warm intro.
Investment thesis
Marathon Venture Capital backs founders building foundational technologies for the future. The firm leads seed rounds and aims to provide comprehensive support and expertise to each portfolio company. It emphasizes transparency, sharing its terms and processes with founders upfront to avoid surprises. Recent investments span AI-native security, governance for AI-generated software, AI site reliability, and biopharma digital infrastructure, indicating a focus on AI, enterprise software, and cybersecurity. Marathon also fosters a global community, hosting events across multiple countries to connect its team with founders and peers.
Source: firm website, verified Aug 3, 2026.
Team · 5 people
from the firm's website & public directories
What they invest in
from 26 of 40 portfolio companiesAI & Machine Learning ×18SaaS ×9Enterprise Software ×8Developer Tools ×6Data & Infrastructure ×5Advanced Manufacturing ×4Hardware ×4Robotics ×4
HQs:United States×7United Kingdom×5Greece×2Austria×1Switzerland×1Colombia×1
Who they back
founder profiles across 9 portfolio companiesFounding team size:solo founder×42 founders×23 founders×24+ founders×1
What their founders studiedfrom 11 founders with field-of-study data
Computer Science ×5Engineering ×4Design & Architecture ×2
Where their founders worked beforefrom 12 founders with career history
Dynatrace ×3Aristotle University of Thessaloniki (AUTH) ×2Celonis ×2
Investments · 40 tracked
founders shown can be your intro pathBy year:2026 · 12025 · 32024 · 12023 · 72022 · 22021 · 12020 · 12019 · 32018 · 120 dated
Ariadne provides people counting and foot traffic analytics for physical venues using patented phone signal detection combined with Time-of-Flight depth sensing, delivered as a SaaS platform with privacy-first architecture that captures no personally identifiable information by default.
Data & InfrastructureHardwareIoTPropTechRetail TechSaaSMunich, DE
Dr. Georgios Pipelidis(CEO & Co-founder)inNikos Tsiamitros(CTO & Co-founder)in
Progressive Robotics develops intelligent, modular robotic palletizing and material handling systems that integrate with major automation ecosystems.
Advanced ManufacturingAI & Machine LearningDeep TechLogistics & Supply ChainRoboticsThessaloniki, GR
Marios Kiatos(CEO & co-founder)inFotis Dimeas(CTO & co-founder)in
Co-investorsGenesis Ventures
Velos Rotors designs and manufactures electric, heavy-lift UAV helicopters for cargo logistics, infrastructure inspection, surveying, and search-and-rescue operations across energy, industrial, maritime, and defense sectors.
Defense TechHardwareRoboticsWilmington, US
Jouko Salo(Chief Strategy Officer)Tasso Argyros(Director)Aris Kolokythas(Director)Michael Seal(Executive Officer, Director)
Board seatGeorge Tziralis· per SEC Form D
Augmenta develops software that uses computational design and AI to automate building design, targeting the construction and engineering industry.
AI & Machine LearningConstruction TechDeep TechSaaS
Francesco Iorio(Founder)in
Co-investorsFerguson VenturesHazelview VenturesPrelude VenturesSuffolk TechnologiesA16Z SpeedrunEclipse+2 more
Bota Systems develops force and torque sensing solutions for robotic systems, enabling robots to safely interact with the physical world through tactile feedback.
Advanced ManufacturingAI & Machine LearningHardwareRoboticsZurich, CH
Klajd LikainIlias PatsiaourasinMarco Hutterin
Co-investorsKickstart Innovation
Causaly builds an agentic AI platform for life sciences R&D that retrieves and reasons over scientific evidence, using a scientific knowledge graph and specialized AI agents to support target identification, indication discovery, and regulatory evidence validation.
AI & Machine LearningBiotechHealthtechLondon
Yiannis Kiachopoulos(Founder)inArtur Saudabayev(Executive Officer, Director)Joannis Kiahopoulos(Executive Officer, Director)
BoardMarc Moens(Director)inGeorgios Tziralis(Director)Carlos Gonzalez-Cadenas(Director)in
Co-investorsEBRD Venture Capital Investment ProgrammeEmerge EducationICONIQIndex VenturesPentech VenturesSNÖ Ventures+3 more
Connectly builds an AI platform that lets retailers deploy AI agents to handle the full customer lifecycle—support, marketing, loyalty, and post-sales—across messaging (including WhatsApp), voice, and utilities.
AI & Machine LearningMarketing TechSales TechSan Francisco, US
Stefanos Loukakos(Co-founder & CEO)in
Co-investorsUnusual VenturesGlobal Founders Capital
Cube RM provides an AI-based tender management system specialized for Life Sciences organizations, using natural language processing and machine learning to help discover opportunities and optimize pricing and proposal evaluation.
AI & Machine LearningEnterprise SoftwareHealthtechSaaS
Co-investorsRuna Capital
Delian develops Osiris, an alternative navigation system for UAVs that emulates GNSS and provides a jam- and spoof-resistant navigation feed to MAVLink-capable flight controllers.
Deep TechDefense TechHardwareAthens, GR
Dimitrios Kottas(Founder)
Co-investorsAir Street CapitalEntropy Industrial CapitalHCVC
RemotePass is a global payroll, hiring, and spend platform that enables companies to manage compensation and workforce operations across borders.
Future of WorkHR TechSaaSSector AgnosticLondon, GB
BoardErvin Luga(Head of Venture Capital Investments)inYalcin Gungoren(Senior member, Venture Capital team)inAziza Zakhidova(Senior member, Venture Capital team)inBruno Lusic(Senior member, Venture Capital team)Amine Chabane(Principal, Venture Capital team)in
Co-investorsEBRD
Finster AI builds AI agents and tools for institutional financial professionals, running multi-step research workflows, monitoring developments, and generating cited analysis and presentation-ready outputs.
AI & Machine LearningEnterprise SoftwareFintechSaaSNew York, US
Siddhant Jayakumar(Founder)in
BoardPayton Dobbs(Director)in
Co-investorsFinTech CollectiveHoxton Ventures
Hack VC is a venture capital firm that invests in early-stage web3, crypto, and AI startups, with focus areas including decentralized infrastructure, DeFi, privacy-preserving technologies, and cryptography.
AI & Machine LearningCrypto & Web3Fintech
Alex(Co-founder & Managing Partner)Ed(Co-founder & Special Advisor)
Co-investorsEvolution VC PartnersNimble PartnersSerafundWeb3com VenturesBrighteye VenturesOsage University Partners+3 more
Hack The Box provides hands-on training and simulation platforms for cybersecurity blue teams, including labs, courses, and incident response exercises designed to develop skills in SOC operations, digital forensics, and threat hunting.
CybersecurityDeveloper ToolsEdTechEnterprise Software
Co-investorsBrighteye VenturesOUP (Osage University Partners)Paladin Capital Group
Hack The Box operates a cybersecurity training and skills platform offering hands-on labs, simulations, assessments, and cyber ranges for individuals, enterprises, and public sector organizations.
AI & Machine LearningCybersecurityEdTech
Co-investorsPaladin Capital Group
ICONIQ Capital's investment management arm builds investment portfolios for influential families and mission-driven institutions, aiming to compound returns from diverse sources by leveraging its community and capital network.
FintechSector Agnostic
Co-investorsDopamine VenturesICONIQLeonis Capital
Wilmington, US
Ilias Koromilas(Director)Christoforos Kachris(Executive Officer, Director)Ioannis Stamelos(Director)
BoardPanagiotis Papadopoulos(Director)
NewCore is a security-focused identity platform built from the ground up to support humans, machines, and AI agents under a unified architecture.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaSLondon, GB
Joon Sung ParkChrisSamZohar Alon(CEO and Founder)inAmihaiErez
Co-investorsIndex VenturesCyberstartsEvolution Equity PartnersJazzya Investments
LearnWorlds is a cloud-based enterprise learning management system (LMS) for training employees, customers, and partners, with SCORM support, interactive authoring, assessments, certifications, white-label branded academies, and ecommerce for selling courses.
AI & Machine LearningCreator EconomyEdTechHR TechSaaSLimassol, CY
Panos Siozos(CEO & Co-Founder)inGeorge Palaigeorgiou(CPO & Co-Founder)inFanis Despotakis(CTO & Co-Founder)in
Co-investorsInsight Partners
Lenses builds software that simplifies management and access to streaming data across hybrid infrastructure, enabling development teams to work independently without central bottlenecks.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise Software
Andrew Stevenson(CTO)inGuillaume Aymé(CEO)in
Co-investors83North
Netdata builds monitoring and observability software designed to simplify operational visibility for engineers and system operators.
Cloud ComputingData & InfrastructureDeveloper Tools
Co-investorsBessemer Venture PartnersCota CapitalBain Capital VenturesUncorrelated Ventures
NOFire connects a company's production stack into a live, time-versioned graph of services, dependencies, ownership, and change history, scoring changes and gating AI agent actions at runtime to prevent incidents.
AI & Machine LearningCloud ComputingDeveloper ToolsDover, US
Antonios Chalkiopoulos(Founder)in
Bogotá B2B marketplace that connected Latin American micro-retailers with Asian manufacturers, starting with electronics and aiming to cut importer markups and logistics friction.
Bogotá, CO
Marcos Esterli(Co-Founder)Rio Xin(Co-Founder & Co-CEO)in
Co-investorsAcequia Capital (AceCap)Clocktower VenturesPICUS CAPITAL
A venture capital firm that assists founders in scaling startups into internationally successful companies, partnering with leading VCs, corporations, and investment banks.
Sector Agnostic
Co-investorsEnterprise Capital Funds
PolyModelsHub builds digital twins, mechanistic models, and AI-powered software workflows for biopharma R&D, development, and manufacturing.
Advanced ManufacturingAI & Machine LearningBiotechEnterprise SoftwareSaaSLondon, GB
Antonio Benedetti(Chief Executive Officer)inHarry Christodoulou(Chief Scientific Officer)inAntonio Yankey(Chief Technology Officer)in
Co-investorsMolten Ventures
Aware is a real-time reporting and data visualization software for utilities that monitors grid operations, tracks renewable energy and CO2 emissions, and generates automated reports with configurable alerts.
AI & Machine LearningCleantechCloud ComputingData & InfrastructureEnergyEnterprise SoftwareSaaS
AnastasiosDimitrios
Straion is a system for engineering teams that centralizes architecture rules, security policies, and coding standards and automatically delivers the relevant ones to developers' AI coding agents, validating proposed task plans against them before code is written.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareLinz, AT
Katrin Freihofner(CPO)inLukas Holzer(CEO)inFabian Friedl(CTO)in
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Ariadne MapsBota SystemsCatalyze AICentaur AnalyticsCode BGPDataform LabDelian Alliance IndustriesNorblocSMPnetVerno Labs
Portfolio news
latest coverage across their companies
EBRD · seenews.com · Aug 20, 2026
Augmenta · betakit.com · Aug 19, 2026
Index Ventures · eu-startups.com · Aug 3, 2026
Pandas · classcentral.com · Jul 23, 2026
PolyModels Hub · businesscloud.co.uk · Nov 21, 2025
Catalyze AI · causaly.com · Nov 14, 2025
Frequently asked questions
- How many investments has Marathon Venture Capital made?
- Marathon Venture Capital has 40 tracked investments, including 4 dated in the last 24 months.
- What stage does Marathon Venture Capital invest at?
- Marathon Venture Capital invests at the Seed, Series A, Series B stages.
- What is Marathon Venture Capital's typical check size?
- Marathon Venture Capital typically writes checks of $250K – $1M.
- What sectors does Marathon Venture Capital focus on?
- Marathon Venture Capital focuses on AI & Machine Learning, Biotech, Cybersecurity, Enterprise Software, SaaS, Sector Agnostic.
- Where is Marathon Venture Capital located?
- Marathon Venture Capital is headquartered in Athens, GR.
- Does Marathon Venture Capital lead rounds?
- Yes, Marathon Venture Capital leads investment rounds.
- Who does Marathon Venture Capital co-invest with?
- Marathon Venture Capital most often shares deals with ICONIQ, Index Ventures, 83North, among 17 tracked co-investors.
From the blog
visit blog ↗Marathon Venture Capital recently announced a top-10 European ranking from PitchBook and detailed two seed investments in AI developer-infrastructure startups: NoFire AI, an autonomous SRE/reliability platform, and Straion, a governance layer for AI-generated code. AI summary
Images
Co-investors · 27
HCVC is a venture capital firm that backs founders working to industrialize scientific and technological progress across deep tech, robotics, and hard science domains.
Visionaries Club is a European venture capital firm backing early-stage B2B and AI-driven technology companies, connecting top founders with a network of leading tech operators and industrial family entrepreneurs who serve as LPs, mentors and customers.
Air Street Capital is a venture capital firm that backs AI-first companies, typically investing at the earliest stages.
83North is a global venture capital firm that invests in and helps entrepreneurs build large, category-defining companies, backing startups across multiple stages and sectors.
Runa Capital is a global venture capital firm founded by serial entrepreneurs, focused on early-stage software and deep tech startups worldwide.
Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, known for pioneering the platform model with a large team of operators supporting founders across stages.
New Enterprise Associates (NEA) is a venture capital firm that invests in and provides long-term support to founders building new companies.
Streamlined Ventures is an early-stage venture firm that partners with founders and invests at the seed stage to help build large-scale companies.
Quiet Capital is an early-stage venture firm run by builders who back founders from day zero.
FundersClub is an online venture capital firm and startup investing platform that gives accredited investors access to vetted early-stage startups from Silicon Valley and beyond.
Pioneer Fund is a venture capital firm investing in the top Y Combinator startups.
▶15 more co-investors
Lookout VenturesHack VCThreshold VenturesMatrixEntrepreneur FirstWinklevoss CapitalCP VenturesUP PartnersAngular VenturesNeotribe VenturesMarket One CapitalVentureFriendsConnectivity VenturesCreator Fund500 Emerging Europe
Firms observed investing alongside Marathon Venture Capital, from public investor directories. Shared companies are the overlap with Marathon Venture Capital's recorded portfolio.
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