Prototron

Prototron

Overview

Prototron is an Estonian fund established to finance the creation of physical prototypes for technology-based ideas, offering equity-free grants and mentorship to early-stage startups.

Year Founded

2012

Portfolio Companies

7

Investments

CompanyDateStageLead
Spiral HydrogenMay 2025GrantCo-investor
chargeIQNov 2024GrantCo-investor
FutuclassMay 2019GrantLead
YuMuuvMay 2019AcceleratorCo-investor
Gelatex TechnologiesDec 2016GrantCo-investor

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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FAQ

Firmographic Details

HeadquartersTallinn
Year Founded2012

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