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Rockstart

Investor profile

Accelerator

Rockstart has backed 59 European tech companies across 64 funding rounds between 2013 and 2026, joining rounds totalling €100M. Most active in Energy and Software. Data as of Nov 2026.

Deals
64
distinct rounds
Companies
59
backed
Active span
2013–2026
14 yrs
Total round €
€100M
sum of rounds joined

Deals by year

distinct rounds / year
Rockstart — deals by year — interactive chart.
Data table
Rockstart — deals by year
20131
20149
20152
20161
20216
202214
20239
20249
20258
20265

Top sectors

by deals
Rockstart — top sectors — interactive chart.
Data table
Rockstart — top sectors
Energy12
Software11
Cleantech9
Foodtech8
Hardware6
AI6
Agritech5
Transportation4
Marketing3
Fintech3

Stages

by deals
Rockstart — stages — interactive chart.
Data table
Rockstart — stages
Other25
Seed22
Pre-Seed13
Series B2
Debt1
Grant1

Countries

by deals
Rockstart — countries — interactive chart.
Data table
Rockstart — countries
Netherlands28
Denmark12
Germany5
Austria4
Spain2
Sweden2
Estonia1
Finland1
Greece1
Ireland1

Co-investment network

shared rounds
Co-investment network — interactive chart.
Rockstart — 64 dealsRockstartHuman Act Development — 3 shared deals · click to openHuman Act DevelopmentPDENH — 3 shared deals · click to openPDENHActivate Capital — 2 shared deals · click to openActivate CapitalEIFO — 2 shared deals · click to openEIFOExpon Capital — 2 shared deals · click to openExpon CapitalGraduate Entrepreneur Fund — 2 shared deals · click to openGraduate Entrepreneur FundInnoEnergy — 2 shared deals · click to openInnoEnergyOost NL — 2 shared deals · click to openOost NLRubio Impact Ventures — 2 shared deals · click to openRubio Impact VenturesThe Footprint Firm — 2 shared deals · click to openThe Footprint Firm2040VC — 1 shared deals · click to open2040VC2bpartner — 1 shared deals · click to open2bpartner468 Capital — 1 shared deals · click to open468 Capital4impact capital — 1 shared deals · click to open4impact capital500 Startups — 1 shared deals · click to open500 Startups7 LitBAN — 1 shared deals · click to open7 LitBANAdrian Locher — 1 shared deals · click to openAdrian LocherAller Aqua — 1 shared deals · click to openAller Aqua

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 €
SympowerNetherlands2€25M
Dexter Energy ServicesNetherlands1€11M
FibersailNetherlands1€5.0M
Holy TechnologiesGermany1€4.3M
KlimateDenmark2€4.2M
OrderlionAustria1€4.0M
Another EarthAustria1€3.5M
RTDT LaboratoriesSwitzerland1€3.4M
ReducedDenmark2€3.3M
OKTO GridDenmark1€3.0M
FieldSenseDenmark1€2.9M
BliroGermany1€2.8M
SenseUPGermany1€2.4M
GreenShiftNetherlands1€2.4M
WillicroftNetherlands1€2.0M
BioticNetherlands1€2.0M
WerckerNetherlands1€1.9M
Aisel HealthDenmark1€1.7M
ContribeDenmark3€1.4M
InnomySpain1€1.3M
Circadian TechnologiesGermany1€1.3M
KavakenTürkiye1€1.0M
PrêtsNetherlands1€1.0M
Root SustainabilityNetherlands1€1.0M
BeholderUkraine1€915k
CarbonSpaceIreland1€900k
ForloopSweden1€875k
SoolutionsNetherlands1€800k
AbastoresSpain1€750k
TechnologyCatalogue.comNetherlands1€730k

Biggest deals

top 10 by amount
CompanyStageAmountDate
SympowerOther€22M2022-07
Dexter Energy ServicesSeries B€11M2023-04
FibersailOther€5.0M2022-04
Holy TechnologiesOther€4.3M2025-09
OrderlionSeed€4.0M2022-11
KlimateSeed€3.5M2023-10
Another EarthOther€3.5M2026-03
RTDT LaboratoriesPre-Seed€3.4M2025-07
OKTO GridSeed€3.0M2022-12
SympowerSeries B€3.0M2022-11
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