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Sebastian Siemiatkowski

Investor profile

Sebastian Siemiatkowski has backed 5 European tech companies across 6 funding rounds between 2015 and 2021, joining rounds totalling €91M. Most active in Transportation and Fintech. Data as of Nov 2026.

Deals
6
distinct rounds
Companies
5
backed
Active span
2015–2021
7 yrs
Total round €
€91M
sum of rounds joined

Deals by year

distinct rounds / year
Sebastian Siemiatkowski — deals by year — interactive chart.
Data table
Sebastian Siemiatkowski — deals by year
20152
20162
20171
20211

Top sectors

by deals
Sebastian Siemiatkowski — top sectors — interactive chart.
Data table
Sebastian Siemiatkowski — top sectors
Transportation3
Fintech2
Marketing2
Software2
E-commerce1
Fashion1
Travel1

Stages

by deals
Sebastian Siemiatkowski — stages — interactive chart.
Data table
Sebastian Siemiatkowski — stages
Early VC2
Seed2
Other1
Series B1

Countries

by deals
Sebastian Siemiatkowski — countries — interactive chart.
Data table
Sebastian Siemiatkowski — countries
Sweden3
Germany1
Poland1
UK1

Co-investment network

shared rounds
Co-investment network — interactive chart.
Sebastian Siemiatkowski — 6 dealsSebastian SiemiatkowskiDaniel Pilotti — 2 shared deals · click to openDaniel Pilotti41an Invest — 1 shared deals · click to open41an InvestAndrzej Targosz — 1 shared deals · click to openAndrzej TargoszAtlantic Labs — 1 shared deals · click to openAtlantic LabsAtomico — 1 shared deals · click to openAtomicoBattery Ventures — 1 shared deals · click to openBattery VenturesDavid Frykman — 1 shared deals · click to openDavid FrykmanDreamers VC — 1 shared deals · click to openDreamers VCGoldman Sachs — 1 shared deals · click to openGoldman SachsHampus Jakobsson — 1 shared deals · click to openHampus JakobssonHasso Plattner Ventures — 1 shared deals · click to openHasso Plattner VenturesIlkka Paananen — 1 shared deals · click to openIlkka PaananenJohan Andersson — 1 shared deals · click to openJohan AnderssonJohan Edenström. — 1 shared deals · click to openJohan Edenström.Karl-Johan Persson - 41an — 1 shared deals · click to openKarl-Johan Persson - 41anLakestar — 1 shared deals · click to openLakestarNew Enterprise Associates — 1 shared deals · click to openNew Enterprise AssociatesNorthstar Ventures — 1 shared deals · click to openNorthstar Ventures

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 €
PangaiaUK1€43M
GoEuroGermany1€43M
BudbeeSweden2€4.1M
StevenSweden1€944k
Spark SoftwarePoland1€700k

Biggest deals

top 10 by amount
CompanyStageAmountDate
PangaiaOther€43M2021-09
GoEuroSeries B€43M2015-12
BudbeeEarly VC€3.0M2017-01
BudbeeSeed€1.1M2016-03
StevenSeed€944k2017-04
Spark SoftwareEarly VC€700k2015-03
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