Netherlands · Pre-seed startup

Who invested in CoolSem Technologies

One round we have observed, with the 4 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

CleantechSemiconductors

Raised 9 months ago

Funding summaryUpdated 26 Oct 2026

Undisclosedraised across 1 round since 2026, from 1 source

Latest round
Pre-seedJan 2026
Led by
HTGF High-Tech Gründerfonds
Investors
4 (1 led)
See who backed them

The rounds

  1. Jan 2026

Founders and team

From CoolSem Technologies's own website: 3 on the team.

  • Robbert van der WaalCEO
  • André van GeelenCTO
  • Kees SteenbergenCOO

AdvisersFred RoozeboomKoen BouwersMichael HeukenSatu Lipponen

Everyone who backed them

Missing a round, or an investor who was in one? Tell us.

Quick answers about CoolSem Technologies

Who invested in CoolSem Technologies?

CoolSem Technologies's investors include HTGF High-Tech Gründerfonds, Brabant Development Agency (BOM), KBC Focus Fund NV and TTT Green Tech B.V. (SHIFT Invest). HTGF High-Tech Gründerfonds led its latest round.

How much has CoolSem Technologies raised?

CoolSem Technologies has raised 1 round since 2026, none with a disclosed amount.

When did CoolSem Technologies last raise?

CoolSem Technologies's most recent round was a Pre-seed in Jan 2026, led by HTGF High-Tech Gründerfonds.

Who backed CoolSem Technologies first?

CoolSem Technologies's first round on record, in Jan 2026, was backed by HTGF High-Tech Gründerfonds, Brabant Development Agency (BOM) and KBC Focus Fund NV and 1 others.

What stage is CoolSem Technologies at?

CoolSem Technologies's latest named round is a Pre-seed, in Jan 2026.

Where is CoolSem Technologies based?

CoolSem Technologies is based in the Netherlands.

Who led CoolSem Technologies's rounds?

HTGF High-Tech Gründerfonds led the Pre-seed in 2026.

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