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
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.

€1.1M
Mobile App
June 2023

Feels

Feels is the anti-dating app dedicated to GenZ, based on the concept of live shows and putting an end to the concept of “swiping”. The app focuses on online shared experiences and videos in order to offer the most immersive experience ever.

€1.1M
Assurtech
May 2023

Quartz

Quartz is the insurance broker that digitizes, centralizes and simplifies business protection, both in terms of selecting and taking out professional insurance and in managing them on a daily basis.

€1.3M
May 2023

Squadeasy

Squadeasy is a SaaS mobility management and engagement solution for companies to boost their environmental & HR performance.

€2.0M
Green Fintech
April 2023

Keewe

Keewe is a Green Fintech that allows SMEs to make international payments by hedging against exchange rate volatility, while minimizing their carbon footprint.

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