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

€2.6M
Deeptech
April 2025

Auum

Auum has developed a unique dry steam technology capable of cleaning a container in an efficient, ecological and fast way.

€5M
Biotech
April 2025

Chipiron

Chipiron has developed a new generation of MRIs in order to make MRI more accessible and affordable.

€1.6M
AI
March 2025

Noota

Noota is an AI assistant that synthesizes exchanges between employees and helps corporate HR departments simplify recruitment.

€2.6M
Deeptech
December 2024

Hexana

Hexana is developing a 4th-generation sodium-cooled fast neutron nuclear reactor.

€5.0M
Biotech
December 2024

Biomemory

Biomemory is a deep tech startup that merges synthetic biology and computer science.

€4.5M
Biotech
November 2024

Mindstate

Biotech company revolutionizing mental health treatment by developing new psychedelic drugs.

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