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

€1.3M
Impact
December 2023

Finisterestes29

Finisterestes fights against food waste by selling fruit and vegetable baskets deemed “imperfect” by mass retailers. In just 2 years, more than 1 million baskets have already been saved.

9,9M€
November 2023

Blast Army

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

€1.3M
Sport tech
October 2023

Finishers

Finishers is the leading marketplace for outdoor sports events in France. Participants can easily search for, compare and reserve race numbers and products/services related to races. Organisers can develop their revenue via a SaaS platform.

€1.3M
Fintech
July 2023

Deltablock

Deltablock offers listed companies a liquidity solution that is twice as efficient and requires five times fewer resources than current solutions thanks to its proprietary algorithms developed in 7 years of R&D.

€1.3M
Marketplace
July 2023

Build2B

Build2B is the first platform for connecting construction or real estate companies with freelance intellectual experts in these markets (designers, structural engineers, economists, etc.).

€5.3M
Deeptech
June 2023

Wheere

Wheere has invented a patented indoor & outdoor geolocation technology that is unique in the world, standing out from everything that existed before by offering metric precision with a range of several kilometers.

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