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Joost van der Klooster

Investor profile

Angel

Joost van der Klooster has backed 1 European tech company across 2 funding rounds between 2025 and 2026, joining rounds totalling €3.5M. Most active in Marketing. Data as of Nov 2026.

Deals
2
distinct rounds
Companies
1
backed
Active span
2025–2026
2 yrs
Total round €
€3.5M
sum of rounds joined

Deals by year

distinct rounds / year
Joost van der Klooster — deals by year — interactive chart.
Data table
Joost van der Klooster — deals by year
20251
20261

Top sectors

by deals
Joost van der Klooster — top sectors — interactive chart.
Data table
Joost van der Klooster — top sectors
Marketing2

Stages

by deals
Joost van der Klooster — stages — interactive chart.
Data table
Joost van der Klooster — stages
Other1
Growth/Late1

Countries

by deals
Joost van der Klooster — countries — interactive chart.
Data table
Joost van der Klooster — countries
Netherlands2

Co-investment network

shared rounds
Co-investment network — interactive chart.
Joost van der Klooster — 2 dealsJoost van der KloosterGijs Nagel — 2 shared deals · click to openGijs NagelMichiel Mol — 1 shared deals · click to openMichiel MolStefan Nuijten — 1 shared deals · click to openStefan Nuijten

Hover a node for shared-deal counts; click a co-investor to open its profile.

Best viewed on a larger screen.

Frequent co-investors

shared rounds

Portfolio

top 30 by total round €
CompanyCountryRoundsTotal €
aizyNetherlands2€3.5M

Biggest deals

top 10 by amount
CompanyStageAmountDate
aizyOther€2.0M2026-02
aizyGrowth/Late€1.5M2025-08
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