Bulgaria · 
Who invested in EnduroSat?
EnduroSat's investors include Founders Fund, Lux Capital, European Investment Bank, Atreides Management and Riot Ventures, and 8 more on record. Atreides Management led its latest round.
2026
$104MVenture$205MGrowth
Bulgaria · Growth startup
Who invested in EnduroSat
Funding summaryUpdated 26 Oct 2026
$309Mraised across 2 rounds since 2025, from 3 sources
$104MVenture$205MGrowth
- Latest round
- Growth, $205MSept 2026
- Led by
- Atreides Management and Riot Ventures
- Step-upi
- 2×
- Investors
- 13 (2 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture, $104M Oct 2025
- Biggest round
- $205M Growth · Sept 2026
- Between rounds
- 11 months from the last two
The rounds
- Sept 2026Growth$205M9 new3 returning
Atreides ManagementLead- Riot VenturesLead
Founders Fund
Google Ventures
EIC Accelerator
Lux Capital
Endeavor Catalyst
European Investment Bank
Omnes
Giant Ventures- House Capital
Emphatic Capital
Reported by The Recursive and 1 other
- Oct 2025
Founders and team
From EnduroSat's own website: 1 founder, 6 on the team.
Raycho RaychevFounder & CEO
- Giuseppe SisinniCEO EnduroSat Italy and Global Director Business Development
- Gergana SrebkovaChief People Officer
- Viktor DanchevChief Technical Officer
- Veselin MarzakovHead of Engineering Operations
- Viktoriya DimovHead of Space Services
- Vanya BuchovaProjects Director
AdvisersDr. S. Pete WordenKevin O'ConnellProf. Dr.-Ing. Johann-Dietrich Wörner
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Riot VenturesVC firm1round, led 1
House CapitalVC firm1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 2 firms list EnduroSat as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about EnduroSat
How much has EnduroSat raised?
EnduroSat has raised $309M across 2 rounds since 2025.
When did EnduroSat last raise?
EnduroSat's most recent round was a Growth of $205M in Sept 2026, led by Atreides Management.
What was EnduroSat's biggest round?
Its most recent round, $205M in Sept 2026, is also its largest on record.
Who backed EnduroSat first?
EnduroSat's first round on record, in Oct 2025, was backed by Founders Fund, Lux Capital and European Investment Bank and 1 others.
What stage is EnduroSat at?
EnduroSat's latest named round is a Growth, in Sept 2026.
Where is EnduroSat based?
EnduroSat is based in Bulgaria.
Who led EnduroSat's rounds?
Atreides Management led the Growth in 2026.
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