# Marathon Venture Capital: portfolio, investments and team

> Marathon Venture Capital is a vc firm based in Greece. 5 investments on record, 2 in the last 12 months, latest Nov 2026.

Source: https://millionrounds.com/fund/marathon-venture-capital (Millionrounds; every figure on the page links to its filing or article)

Greece · [Investor](https://millionrounds.com/investors)

# Marathon Venture Capital

Last cheque observed Nov 2026; 5 cheques on record.

Email

VC firm Deploying now

Pre-seed Seed Series A AI Security Software

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Deploying now

**100%** of best year **2** **cheques in 12 months**, 5 on record

Since the last cheque **2** days **00** hrs **00** min **00** sec

Median round **$6.2M** Cheque size, as they say **$500K – $2.0M** Rounds led **3 of 5** Sole investor **2 rounds** Mostly in **United Kingdom, 40%**

Pitch Marathon Venture Capital

## Marathon Venture Capital highlights

- 01 2 cheques in the last 12 months
- 02 Mostly Pre-seed and Seed: 67% of its rounds
- 03 Sole investor in 2 rounds, median $1.3M

## What they do

> Marathon Venture Capital is a seed-stage fund, helping ambitious Greek and European founders build world-class technology companies. From their own website

- **Type:** VC firm (from a list, unverified)
- **Cheque size:** $500K – $2.0M as they say
- **Stages:** Pre-seed Seed Series A
- **Sectors:** AI Security Software
- **Based in:** Athens, Greece
- **Cold pitches:** Accepted

## The record

Every round we can evidence, newest first **5 appearances**

- **2026** 2 rounds
- **Nov** **[Archiboost AI](https://millionrounds.com/company/archiboost-ai)** Pre-seed · US · Google News search **$6.2M** *Led*
- **Feb** **[Straion](https://millionrounds.com/company/straion)** Seed · AT · Firms' own news pages **$1.3M** *Led*
- **2025** 1 round
- **Jul** **[Delian Alliance Industries](https://millionrounds.com/company/delian-alliance-industries)** GR · TechCrunch **$14M** *Led*
- **2019** 2 rounds
- **Sept** **[Lenses.IO](https://millionrounds.com/company/lenses-io)** Series A · GB · FinSMEs **$7.5M** With 1 other
- **Apr** **[Hack The Box](https://millionrounds.com/company/hack-the-box)** GB · Tech.eu **$1.3M** Sole investor

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

## The team

We hold **4** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

## What they claim to have backed

From their own portfolio page (on their website)

**1** of 5 we have independently watched raise

[Causaly](https://millionrounds.com/company/causaly) EBRD ICONIQ Index Ventures Pentech Ventures

Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.

## The cheque

Pre-seed Seed Series A

Median round joined **$6.2M** the round, not its cheque Alone, median **$1.3M**

Led 3 of 5 rounds **60%**

- **Said size:** $500K – $2.0M
- **Sole investor:** 2 rounds
- **Last cheque:** Nov 2026

Rounds by stage said on their site

- Pre-seed said *1*
- Seed said *1*
- Series A said *1*

Cheques by month Led Joined

Dec 2023 Nov 2026

**Pitching Marathon Venture Capital?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque.

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## Recently backed

The latest companies Marathon Venture Capital put money into.

[**Straion** $1.3M · Feb 2026](https://millionrounds.com/company/straion)[**Lenses.IO** $7.5M · Sept 2019](https://millionrounds.com/company/lenses-io)[**Hack The Box** $1.3M · Apr 2019](https://millionrounds.com/company/hack-the-box)

## Mentioned on podcasts

Episodes that name Marathon Venture Capital in their description, not their title.

- [StrictlyVC Download](https://millionrounds.com/podcasts/strictlyvc-download) 13 May 2025 · 28 min These investors are betting big on Greece’s founders Mentions [Apostolos Apostolakis](https://millionrounds.com/fund/apostolos-apostolakis)[Big Pi](https://millionrounds.com/fund/big-pi-ventures)[Marathon Venture Capital](https://millionrounds.com/fund/marathon-venture-capital) *+4* Apple Podcasts

## Quick answers about Marathon Venture Capital

### What does Marathon Venture Capital invest in?

Marathon Venture Capital invests most often at Pre-seed and Seed (67% of the rounds on record), in sectors such as AI, Security and Software.

### How active is Marathon Venture Capital?

5 investments on record, 2 of them in the last 12 months, and it led 3. The most recent was in Nov 2026.

### What has Marathon Venture Capital invested in recently?

Its most recent investments on record: Archiboost AI (Pre-seed, Nov 2026), Straion (Seed, Feb 2026) and Delian Alliance Industries (Jul 2025).

### How big are Marathon Venture Capital's cheques?

The median round it joins is $6.2M. It says it writes cheques of $500K to $2.0M.

### Does Marathon Venture Capital lead rounds?

Yes: it led 3 of its 5 investments on record (60%).

### Where does Marathon Venture Capital invest?

Most of the companies it backs are in the United Kingdom (40%), the United States (20%) and Austria (20%).

### Is Marathon Venture Capital investing now?

Yes: it is actively investing, with 2 investments in the last 12 months.

### What kind of investor is Marathon Venture Capital?

Marathon Venture Capital is a VC firm based in Athens, Greece.

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Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=marathon-venture-capital) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=marathon-venture-capital)
