# Joost van der Klooster: angel investments and portfolio

> Joost van der Klooster is an angel. 1 investment on record, latest Aug 2025. Portfolio, stages, co-investors and team.

Source: https://millionrounds.com/fund/joost-van-der-klooster (Millionrounds; every figure on the page links to its filing or article)

[Investor](https://millionrounds.com/investors)

# Joost van der Klooster

Last cheque observed Aug 2025. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.

Email

Angel Quiet

Growth

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Cheques on record

**0%** of best year **0** **cheques in 12 months**, 1 on record

Since the last cheque **453** days **00** hrs **00** min **00** sec

Median round **$1.7M** Rounds led **0 of 1**

Pitch Joost van der Klooster

## Joost van der Klooster highlights

- 01 1 rounds on record
- 02 Mostly Growth: 100% of its rounds

## What they do

- **Type:** Angel (from a list, unverified)
- **Cheque size:** Not stated
- **Cold pitches:** Not stated

## The record

Every round we can evidence, newest first **1 appearances**

- **2025** 1 round
- **Aug** **[aizy](https://millionrounds.com/company/aizy)** Growth · NL · Silicon Canals **$1.7M** With 1 other

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

## The cheque

Growth

Median round joined **$1.7M** the round, not its cheque

Led 0 of 1 rounds **0%**

- **Sole investor:** Never alone
- **Last cheque:** Aug 2025

Rounds by stage said on their site

- Growth *1*

Cheques by month Led Joined

Dec 2023 Nov 2026

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## Quick answers about Joost van der Klooster

### What does Joost van der Klooster invest in?

Joost van der Klooster invests most often at Growth (100% of the rounds on record).

### How active is Joost van der Klooster?

1 investments on record, 0 of them in the last 12 months. The most recent was in Aug 2025.

### What has Joost van der Klooster invested in recently?

Its most recent investments on record: aizy (Growth, Aug 2025).

### How big are Joost van der Klooster's cheques?

The median round it joins is $1.7M.

### Is Joost van der Klooster investing now?

No investments in the last 12 months; the latest was in Aug 2025.

### What kind of investor is Joost van der Klooster?

Joost van der Klooster is an angel.

### Where does this information on Joost van der Klooster come from?

From 1 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night.

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