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.

Greece · Investor
Last cheque observed Nov 2026; 5 cheques on record.
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2 cheques in the last 12 months
Mostly Pre-seed and Seed: 67% of its rounds
Sole investor in 2 rounds, median $1.3M
Marathon Venture Capital is a seed-stage fund, helping ambitious Greek and European founders build world-class technology companies.From their own website
Every round we can evidence, newest first5 appearances
2 rounds
1 round
2 rounds
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.
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.
From their own portfolio page (on their website)
CausalyEBRDICONIQIndex VenturesPentech 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 latest companies Marathon Venture Capital put money into.
Episodes that name Marathon Venture Capital in their description, not their title.

These investors are betting big on Greece’s founders
MentionsApostolos ApostolakisBig PiMarathon Venture Capital+4
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.
5 investments on record, 2 of them in the last 12 months, and it led 3. The most recent was in Nov 2026.
Its most recent investments on record: Archiboost AI (Pre-seed, Nov 2026), Straion (Seed, Feb 2026) and Delian Alliance Industries (Jul 2025).
The median round it joins is $6.2M. It says it writes cheques of $500K to $2.0M.
Yes: it led 3 of its 5 investments on record (60%).
Most of the companies it backs are in the United Kingdom (40%), the United States (20%) and Austria (20%).
Yes: it is actively investing, with 2 investments in the last 12 months.
Marathon Venture Capital is a VC firm based in Athens, Greece.
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