Our portfolio

We fund early stage Startups.  Accross all sectors.  One  obsession: performance.

Y Combinator deals

Blast allowed its members to invest several million euros in several Y Combinator startups.
Blast is neither affiliated with nor an official partner of Y Combinator
Y Combinator
B2B AI
Spring 2025

The LLM Data

SaaS to help AI teams with the performance of their LLMs.

Y Combinator
Fintech
Spring 2025

QFEX

1st stock exchange open 24 hours a day for US shares, commodities, FX.

Y Combinator
Fintech
Spring 2025

AI Approval

AI B2C real estate credit platform for buyers.

Y Combinator
Cyber
Spring 2025

Mindfort

AI agents to secure and correct corporate cyber breaches.

Y Combinator
B2C AI
Spring 2025

Chiron

Mathematical reasoning verified in real time.

Y Combinator
B2B SaaS
Spring 2025

Mesmer

AI co-pilot of CTOs to accelerate the product roadmap.

All our other deals

4,7M€
October 2025

Lattice Medical

Lattice Medical reinvents breast reconstruction thanks to an absorbable bioprosthesis that allows a breast to be regenerated naturally.

5,0M€
Fintech
July 2025

Defacto

Defacto lends SMEs money in less than 30 seconds to finance their cash flow.

5,0M€
Biotech
July 2025

One Biosciences

One Biosciences is revolutionizing cancer analysis by deciphering each cell

€2.4M
Sport tech
June 2025

The Sanctuary Group

The Sanctuary Group is revolutionizing premium fitness with already 15 immersive sports studios with confirmed success in Paris and the Paris region.

22,1M €
June 2025

Blast Army 3

Join the Blast. adventure by becoming a shareholder of the Club alongside Anthony Bourbon

€2.8M
B2C
June 2025

Yuno

Yuno is the mobile app that dusts off general knowledge by making it as addictive as a Spotify playlist and as fun as a Duolingo game.

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