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 SaaS
Spring 2025

Airweave

Improves data access for AI Agents.

Y Combinator
AI
Spring 2025

Ticket Wallet

Automated ticket resale by AI.

Y Combinator
B2B AI
Spring 2025

Theorem

AI to quickly check if the code is 100% reliable.

Y Combinator
B2B AI
Spring 2025

Chonkie

AI to analyze documents without hallucinations.

Y Combinator
B2B AI
Spring 2025

Willow

B2B AI Voice Tool that writes what you speak.

Y Combinator
AI
Spring 2025

Theta

Enables AI Agents to self-learn from mistakes.

All our other deals

3,7M€
Biotech
Octobre 2025

Cementic

Cementic révolutionne l’un des actes médicaux les plus pratiqués avec une technologie de rupture conçue par et pour les 2,5 millions de dentistes dans le monde.

4,7M€
October 2025

Lattice Medical

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

2,9M€
Deeptech
Juillet 2025

Aviwell

Aviwell réinvente l'élevage animal en fusionnant sciences de la vie et IA.

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

5,0M€
Spacetech
Juin 2025

U-Space

U-Space déploie une nouvelle génération de satellites clé en main : plus fiables, moins chers et prêts 2x plus vite.

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