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Arthur Kosten

Investor profile

Arthur Kosten has backed 5 European tech companies across 5 funding rounds between 2015 and 2025, joining rounds totalling €115M. Most active in Software and E-commerce. Data as of Nov 2026.

Deals
5
distinct rounds
Companies
5
backed
Active span
2015–2025
11 yrs
Total round €
€115M
sum of rounds joined

Deals by year

distinct rounds / year
Arthur Kosten — deals by year — interactive chart.
Data table
Arthur Kosten — deals by year
20151
20162
20171
20251

Top sectors

by deals
Arthur Kosten — top sectors — interactive chart.
Data table
Arthur Kosten — top sectors
Software3
E-commerce2
Consumer2
Travel1
Edtech1
Sports1

Stages

by deals
Arthur Kosten — stages — interactive chart.
Data table
Arthur Kosten — stages
Series B3
Series C1
Other1

Countries

by deals
Arthur Kosten — countries — interactive chart.
Data table
Arthur Kosten — countries
Netherlands2
Denmark1
Germany1
UK1

Co-investment network

shared rounds
Co-investment network — interactive chart.
Arthur Kosten — 5 dealsArthur KostenProject A Ventures — 2 shared deals · click to openProject A VenturesWellington Partners — 2 shared deals · click to openWellington PartnersAccel — 1 shared deals · click to openAccelBalderton Capital — 1 shared deals · click to openBalderton CapitalDOEN Foundation — 1 shared deals · click to openDOEN FoundationEducapital — 1 shared deals · click to openEducapitalEQT Ventures — 1 shared deals · click to openEQT VenturesIsomer Capital — 1 shared deals · click to openIsomer CapitalLead Edge Capital — 1 shared deals · click to openLead Edge CapitalLepe Partners — 1 shared deals · click to openLepe PartnersMarcel Beemsterboer — 1 shared deals · click to openMarcel BeemsterboerPlayfair Capital — 1 shared deals · click to openPlayfair CapitalPortfoLion — 1 shared deals · click to openPortfoLionPROfounders Capital — 1 shared deals · click to openPROfounders CapitalRedalpine — 1 shared deals · click to openRedalpineSEED Capital — 1 shared deals · click to openSEED CapitalVerena Pausder — 1 shared deals · click to openVerena PausderXAnge — 1 shared deals · click to openXAnge

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

Best viewed on a larger screen.

Portfolio

top 30 by total round €
CompanyCountryRoundsTotal €
CatawikiNetherlands1€73M
KnowunityGermany1€27M
3D HubsNetherlands1€6.3M
FesticketUK1€5.7M
TonsserDenmark1€2.5M

Biggest deals

top 10 by amount
CompanyStageAmountDate
CatawikiSeries C€73M2015-07
KnowunitySeries B€27M2025-06
3D HubsSeries B€6.3M2016-08
FesticketSeries B€5.7M2016-06
TonsserOther€2.5M2017-09
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