United States · 
Who invested in Rhea Space?
Rhea Space's investors include Seraphim Space and NASA.
20252026
$750KGrant$6.0MSeries AUnited States · Series A startup
Who invested in Rhea Space
2 rounds we have observed, with the 2 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.
Raised 7 months ago
Funding summaryUpdated 26 Oct 2026
$6.8Mraised across 2 rounds since 2024, from 2 sources
$750KGrant$6.0MSeries A
- Latest round
- Series A, $6.0MApr 2026
- Step-upi
- 8×
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Grant, $750K Mar 2024
- Biggest round
- $6.0M Series A · Apr 2026
- Between rounds
- 2.1 years from the last two
The rounds
- Apr 2026
- Mar 2024
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
Missing a round, or an investor who was in one? Tell us.
Quick answers about Rhea Space
How much has Rhea Space raised?
Rhea Space has raised $6.8M across 2 rounds since 2024.
When did Rhea Space last raise?
Rhea Space's most recent round was a Series A of $6.0M in Apr 2026.
What was Rhea Space's biggest round?
Its most recent round, $6.0M in Apr 2026, is also its largest on record.
Who backed Rhea Space first?
Rhea Space's first round on record, in Mar 2024, was backed by Seraphim Space and NASA.
What stage is Rhea Space at?
Rhea Space's latest named round is a Series A, in Apr 2026.
Where is Rhea Space based?
Rhea Space is based in the United States.
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