United States · Funded startup

Who invested in Sophia Space

2 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Aerospace & SpaceAIData InfrastructureHardware & Electronics

Raised 2 months ago

Funding summaryUpdated 26 Oct 2026

$310Mraised across 2 rounds since 2026, from 4 sources

$10MSeed$300MDebt
Latest round
Debt, $300MSept 2026
Step-upi
30×
Investors
5 (3 led)
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2027
$10MSeed$300MDebt
First round
Seed, $10M
Feb 2026
Biggest round
$300M
Debt · Sept 2026
Between rounds
6 months
from the last two

The rounds

  1. Sept 2026
    Debt$300M1 returning

    Source recorded

  2. Feb 2026
    Seed$10M5 new

    Reported by Firms' own news pages and 2 othersSEC filing: $10M sold, first sale Dec 2025

Founders and team

From Sophia Space's own website: 1 founder, 6 on the team.

Dr. Leon AlkalaiRetired JPL Fellow, Founder Mandala Space Ventures
  • Rob DeMilloCEO
  • Brian MonninChief Commercial Officer
  • Elinor ShklazVP Finance
  • Jim ChaseVP Engineering
  • Scott SorochakVP Business Development
  • Technical AdvisorBuild & Flight Reliability Former SpaceX VP

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

GaingelsPrivate equity2rounds
Unlock Venture PartnersVC firm1round, led 1
Alpha FundsVC firm1round, led 1
KDDI Green Partners FundVC firm1round, led 1

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 3 firms list Sophia Space 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.

Daxos CapitalVC firmPer its own site
SparkLabs GroupVC firmPer its own site
Chubby FishFamily officePer its own site

Quick answers about Sophia Space

Who invested in Sophia Space?

Sophia Space's investors include Gaingels, Unlock Venture Partners, Alpha Funds, KDDI Green Partners Fund and Mandala Space Ventures.

How much has Sophia Space raised?

Sophia Space has raised $310M across 2 rounds since 2026.

When did Sophia Space last raise?

Sophia Space's most recent round was a Debt of $300M in Sept 2026.

What was Sophia Space's biggest round?

Its most recent round, $300M in Sept 2026, is also its largest on record.

Who backed Sophia Space first?

Sophia Space's first round on record, in Feb 2026, was backed by Unlock Venture Partners, Alpha Funds and KDDI Green Partners Fund and 2 others.

What stage is Sophia Space at?

Sophia Space's latest named round is a Debt, in Sept 2026.

Where is Sophia Space based?

Sophia Space is based in the United States.

Who led Sophia Space's rounds?

Unlock Venture Partners led the Seed in 2026.

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