Harmonic

Harmonic are forging the world's most advanced mathematical reasoning engine.

Harmonic has a big mission: to create mathematical superintelligence (MSI). MSI is artificial intelligence with mathematical capabilities superior to that of humans, and we believe its development will dramatically accelerate progress in quantitative domains including science and engineering.

Generative AI

Investment Total
Blossom invested in Harmonic’s $75M Series A alongside Sequoia Capital, they've since raised a $100M Series B led by Kleiner Perkins.

More Series A investments

Spacelift integrates with popular Infrastructure as Code (IaC) management tools to allow you to customize workflows, automate manual tasks, reduce number of errors, improve security and auditability of your infrastructure.

Infrastructure / Developer Tools

Spacelift team photo
  1. Country:
    Poland
  2. Sector: 
    Enterprise SaaS
  3. DAte of partnership: 
    Dec 2020
Blossom led Spacelift’s $6M Series A. Since then, the company has raised a $15M Series B from Insight Partners, followed by a $51M Series C.
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Castor reinvents the way companies find and understand their way around data.

SaaS / Data

Picture of the castor team
  1. Country:
    France (Paris)
  2. Sector: 
    Enterprise SaaS
  3. DAte of partnership: 
    Jun 2022
Blossom led Castor's $23.5M Series A round. Acquired in 2025 by Coalesce.
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Collective enables independent freelancers to team up by mutualizing skills, networks and work methodology in a quest to enable each other to achieve more as a group vs. individually.

SaaS / HR

Team photo of Collective
  1. Country:
    France (Paris)
  2. Sector: 
    Enterprise SaaS
  3. DAte of partnership: 
    Dec 2021
Blossom led Collective's $8M Seed round.
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Sqreen protects distributed applications against sophisticated attacks by automatically detecting and tracing vulnerabilities down to the line of code. Acquired by Datadog.

Infrastructure / Security

Pierre Betouin and Jean-Baptiste Aviat profile from Sqreen
  1. Country:
    France (Paris)
  2. Sector: 
    Cybersecurity
  3. DAte of partnership: 
    Mar 2019
Blossom invested in Sqreen’s $14M Series A alongside Greylock Partners. Acquired by Datadog.
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Pigment offers an intuitive, visually-driven experience to forecast the future of your business. With flexible parameters and continuous forecasting, Pigment brings future scenarios to life through charts, models and simulations.

SaaS / Fintech

Romain Niccoli and Eléonore Crespo profile from Pigment
  1. Country:
    France (Paris)
  2. Sector: 
    Enterprise SaaS
  3. DAte of partnership: 
    Jul 2020
Blossom led Pigment’s $26M Series A round. Pigment has since gone on to raise $145M in a Series D funding round, led by ICONIQ Growth.
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Maki is building a conversational AI agent that liberates HR teams.

SaaS / HR

  1. Country:
    France (Paris)
  2. Sector: 
    Enterprise SaaS
  3. DAte of partnership: 
    Jan 2024
Blossom led Maki's $28.6M Series A
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