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

€1.1M
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.

€1.5M
Leasing B2B
March 2023

Flease

The company offers an innovative solution for long-term leasing of nearly-new vehicles for VSEs and SMEs with a fully digitized service.

€1.0M
HR tech
February 2023

Spayr

Spayr is a mission-driven company aiming to bring greater financial peace of mind to employees. It develops benefits on company remuneration, including: a solution for on-demand salary payments via an app and budget support mechanisms.

€0.9M
SaaS
Janvier 2023

Hemblem

Hemblem offers restaurant owners an application for connecting with influencers, allowing them to gain visibility on social networks. Thanks to a subscription offer, Hemblem is the market leader and already has 4,000 active influencers and 500 restaurants as customers.

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