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

€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.

€0.5M
Marketplace
January 2023

Sedeo

Sedeo is the first all-in-one, 100% digital event equipment rental platform. The ambition is to bring innovation and simplicity to a sector where renting equipment for an event is a cumbersome and complicated experience.

€1.0M
E-commerce
December 2022

Ulysse

Ulysse is a website selling airline tickets that puts the user at the center of his concerns. Ulysse offers the safest, easiest and most transparent experience, from booking to takeoff, thanks to direct connections to airlines.

€1.5M
Biotech
February 2025

Tomorrow Bio

Tomorrow Bio offers a state-of-the-art cryogenization solution.

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