Marathon Venture Capital
VC Fund
Athens, Greece
Marathon Venture Capital is an early-stage venture capital fund on a mission to help the most ambitious European founders build world-class technology companies. It caters to those who are willing to go after the seemingly impossible. Those who persevere in the face of adversity. The ones who will ultimately get to redefine entire industries.
- Total investments:
- 43
- Last investment:
- Lead investor:
- 65%
- Fund size:
- $234k
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Marathon Venture Capital invests in
Stages Marathon Venture Capital invests in
Countries Marathon Venture Capital invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
2 more contacts available
Round size
- Seed
- $1M–$3M
- Pre-Seed
- $830k–$1.6M
- Series A
- $4.8M–$17M
Investment Focus
Industry
- Software 13 (30%)
- Information Technology 8 (19%)
- Artificial Intelligence 7 (16%)
- Machine Learning 4 (9%)
- Analytics 3 (7%)
Stage
- Seed 22 (51%)
- Series A 9 (21%)
- Pre-Seed 3 (7%)
- Series B 2 (5%)
- Funding Round 1 (2%)
Country
- United Kingdom 7 (16%)
- United States 6 (14%)
- Greece 5 (12%)
- Cyprus 2 (5%)
- Sweden 1 (2%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Alex Alexakis
Analyst
|
Analyst | Total investments: 2 | Find email | |
George Tziralis
Partner
|
Partner | Total investments: 47 | Find email | |
Panagiotis Papadopoulos
Partner
|
Partner | Total investments: 31 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Straion
|
Straion is building the governance layer for AI-generated software.AI coding agents have unlocked speed, but enterprise teams still face a core bottleneck: reliability. Without company-specific standards and architectural context, AI output often creates rework, review drag, and compliance risk.Straion solves this by ensuring AI assistants getthe right organizational guidance for each task, so teams can scale AI coding without losing quality or control.We help engineering organizations reduce avoidable mistakes, improve consistency, and increase trust in production-ready AI-generated code. | $1.3M / Seed / Feb 23, 2026 | |
Pallma AI
|
PallmaAI is the first line of defense against the new class of sophisticated cybersecurity threats targeting autonomous AI agents. The rapid rise of these agents has created an "invisible attack surface" that traditional security tools cannot see or stop. Agents, with their broad access to internal systems, APIs, and confidential data ,are prime targets, with real-world attacks already demonstrating direct financial impact and data exposure.We offer an advanced, AI-powered security platform built specifically to protect AI-powered applications. Our solution acts as the central nervous system for AI security, providing a layer of trust and control over autonomous systems. | $1.6M / Pre-Seed / Jan 28, 2026 | |
PolyModels Hub
|
PolyModels Hub is a team of pharma R&D and manufacturing specialists committed to accelerating the adoption of digital technologies in pharma process development. The company empowers scientists with AI to model, simulate, and access insights across all steps and protocols followed to turn chemical compounds into safe drug products. | $9.2M / Series A / Nov 20, 2025 | |
Delian Alliance Industries
|
Lambda Automata builds autonomous systems tailored for addressing national security challenges in the EU and its allies. | $14M / Series A / Jul 29, 2025 | |
Progressive Robotics
|
Progressive Robotics is a deep-tech university spin-off that has developed a patent-pending solution to easily teach robots how to perform packing and palletizing tasks in the manufacturing industry with AI, in just a few seconds. Based on our research on robotics and deep learning, we are bridging the best of two worlds to make robots smarter forthe entire manufacturing industry, including SMEs. | $1.6M / Seed / Jan 15, 2025 | |
|
PolyModels Hub
|
PolyModels Hub is a team of pharma R&D and manufacturing specialists committed to accelerating the adoption of digital technologies in pharma process development. The company empowers scientists with AI to model, simulate, and access insights across all steps and protocols followed to turn chemical compounds into safe drug products. | $1.4M / Seed / Jul 09, 2024 | |
DataForm Lab
|
DataForm Lab specializes in mitigating risks associated with the adoption of automation in offsite construction. By leveraging cutting-edge data analysis and innovative technologies, DataForm Lab offers tailored solutions to address the challenges and uncertainties that often accompany the integration of automation processes in constructionprojects. | $1.4M / Seed / Jun 06, 2024 | |
|
Delian Alliance Industries
|
Lambda Automata builds autonomous systems tailored for addressing national security challenges in the EU and its allies. | $6.3M / Seed / Oct 18, 2023 | |
Bota Systems
|
Bota Systems' vision is to make robots feel and manipulate the physical world as easily as humans do. Bota Systems is a developer of force torque sensors, load cells, torque sensors, and robotic grippers. It aims to contribute to the increasing demand for automation technology by providing high quality and cost effective robotic components. | $2.5M / Seed / Oct 03, 2023 | |
Causaly
|
Causaly develops a biomedical research discovery tool designed to find and unlock key hidden evidence in biomedicine. It amplifies human cognitive abilities to expand the boundaries of discovery toward making the best decisions in biomedicine. | $60M / Series B / Jul 13, 2023 | |
| See all 43 investments → | |||
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FAQ
What does Marathon Venture Capital invest in?
Marathon Venture Capital invests primarily in Software, Information Technology and Artificial Intelligence startups, most often at Seed and Series A stage. Most of the 43 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Marathon Venture Capital's check size?
Marathon Venture Capital typically joins rounds of $1M–$3M at Seed, $830k–$1.6M at Pre-Seed and $4.8M–$17M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Marathon Venture Capital participates in.
How do I contact Marathon Venture Capital?
Public channels for Marathon Venture Capital include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Marathon Venture Capital?
The team at Marathon Venture Capital includes Alex Alexakis (Analyst), George Tziralis (Partner) and Panagiotis Papadopoulos (Partner). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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