Marathon Venture Capital — Full Portfolio

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

Ariadne offers a privacy-first people counting platform using "Hybrid Fusion" sensing that pairs patented phone signal sensing with Time-of-Flight depth sensors to measure footfall, occupancy, queues, and visitor flow without cameras or PII.

HardwareIoTRetail TechMunich, DE

Co-investorsHCVC

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 LikaIlias PatsiaourasMarco Hutter

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)Georgios Tziralis(Director)Carlos Gonzalez-Cadenas(Director)in

Co-investorsEBRD Venture Capital Investment ProgrammeEmerge EducationICONIQIndex VenturesPentech VenturesSNÖ Ventures+3 more

Centaur provides technology for farms, grain elevators, and agricultural supply chain and logistics operations, including intelligent pest management solutions.

AgTechLogistics & Supply Chain

Ventura, US

SOTIRIS BANTAS(Executive Officer, Director, Promoter)ABRAHAM NETHANEL REICHENTAL(Executive Officer, Director)CHRISTINE LERIOS(Executive Officer)

BoardYORAM NELKIN(Director)VASILEIOS SOTIROUDAS(Director)ION TSAKONAS(Director)

Co-investorsOurCrowd

Connectly provides a WhatsApp-based conversational commerce and customer engagement platform that uses AI to automate marketing campaigns, sales flows, and customer support across channels.

AI & Machine LearningMarketing TechSales TechSan Francisco, US

Stefanos Loukakos(Founder)in

Co-investorsUnusual Ventures

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

DataForm Lab builds software for design and manufacturing automation in offsite construction, integrating design workflows with robotic manufacturing.

Advanced ManufacturingConstruction TechRobotics

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)Yalcin Gungoren(Senior member, Venture Capital team)Aziza Zakhidova(Senior member, Venture Capital team)Bruno Lusic(Senior member, Venture Capital team)Amine Chabane(Principal, Venture Capital team)

Co-investorsEBRD

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+2 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

Sruthi Ramaswamiin

Co-investorsDopamine VenturesICONIQLeonis Capital

Wilmington, US

Ilias Koromilas(Director)Christoforos Kachris(Executive Officer, Director)Ioannis Stamelos(Director)

BoardPanagiotis Papadopoulos(Director)

Co-investorsIndex VenturesJazzya 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)Fanis Despotakis(CTO & Co-Founder)

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)Guillaume Aymé(CEO)

Co-investors83North

Netdata builds monitoring and observability software designed to simplify operational visibility for engineers and system operators.

Cloud ComputingData & InfrastructureDeveloper Tools

Costa Tsaousisin

Co-investorsBessemer Venture PartnersCota CapitalBain Capital 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)

Co-investorsDigital Currency Group

Pallma provides a framework-agnostic layer for reaching AI agents across interfaces such as LLM APIs, email clients, voice stacks, and custom endpoints.

AI & Machine LearningData & InfrastructureDeveloper ToolsLondon, GB

Dionysis Varelas(Founder)

An AI-native security platform to help enterprises safely use autonomous agents

Co-investorsEnterprise Capital Funds

PolyModels Hub develops ModelFlow, a platform for pharma process development that connects data, models, and teams to support biopharma workflows across therapeutic modalities including small molecules, oligonucleotides, biopharmaceuticals, and vaccines.

AI & Machine LearningBiotechSaaSLondon, GB

Antonio Benedetti(Founder)inHarry Christodoulou(Founder)

Co-investorsMolten Ventures

SMPnet provides utilities and power generators with software for power grid management and control, including its Omega product suite for autonomous grid operations.

CleantechEnergySaaS

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(Founder)