# CoolSem Technologies funding: rounds and investors

> CoolSem Technologies has raised across 1 round since 2026. Investors include HTGF High-Tech Gründerfonds, Brabant Development Agency (BOM) and KBC Focus...

Source: https://millionrounds.com/company/coolsem-technologies (Millionrounds; every figure on the page links to its filing or article)

Netherlands · [Pre-seed startup](https://millionrounds.com/companies)

# 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.

Cleantech Semiconductors

Raised 9 months ago

Funding summary Updated 26 Oct 2026

**Undisclosed** raised across 1 round since 2026, from 1 source

- **Latest round:** Pre-seed Jan 2026
- **Led by:** HTGF High-Tech Gründerfonds
- **Investors:** 4 (1 led)

See who backed them

## The rounds

- **Jan 2026** Pre-seed **Amount undisclosed** [HTGF High-Tech Gründerfonds](https://millionrounds.com/fund/high-tech-grunderfonds-htgf) Lead [Brabant Development Agency (BOM)](https://millionrounds.com/fund/brabant-development-agency-bom) [KBC Focus Fund NV](https://millionrounds.com/fund/kbc-focus-fund-nv) [TTT Green Tech B.V. (SHIFT Invest)](https://millionrounds.com/fund/ttt-green-tech-b-v-shift-invest) Reported by Firms' own news pages

## Founders and team

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

- **Robbert van der Waal** CEO
- **André van Geelen** CTO
- **Kees Steenbergen** COO

Advisers *Fred Roozeboom* *Koen Bouwers* *Michael Heuken* *Satu Lipponen*

## Everyone who backed them

[HTGF High-Tech Gründerfonds](https://millionrounds.com/fund/high-tech-grunderfonds-htgf) VC firm **1** round, led 1

[Brabant Development Agency (BOM)](https://millionrounds.com/fund/brabant-development-agency-bom) VC firm **1** round

[KBC Focus Fund NV](https://millionrounds.com/fund/kbc-focus-fund-nv) VC firm **1** round

[TTT Green Tech B.V. (SHIFT Invest)](https://millionrounds.com/fund/ttt-green-tech-b-v-shift-invest) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=coolsem-technologies).

## 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.

## Companies like CoolSem Technologies

In the same sector, and raised in the last eighteen months.

[**EUCLYD** $231M · Sept 2026](https://millionrounds.com/company/euclyd)[**Ore Energy** $43M · Aug 2026](https://millionrounds.com/company/ore-energy)[**Nearfield Instruments** $527M · Jun 2026](https://millionrounds.com/company/nearfield-instruments)[**Tap Electric** $5.7M · Jun 2026](https://millionrounds.com/company/tap-electric)[**Invisix** $24M · Jun 2026](https://millionrounds.com/company/invisix)[**Eyeo** $64M · May 2026](https://millionrounds.com/company/eyeo)

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