# Rhea Space funding: rounds and investors

> Rhea Space has raised $6.8M across 2 rounds since 2024. Investors include Seraphim Space and NASA. Every round with its source.

Source: https://millionrounds.com/company/rhea-space (Millionrounds; every figure on the page links to its filing or article)

United States · [Series A startup](https://millionrounds.com/companies)

# 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.

Aerospace & Space

Raised 7 months ago

Funding summary Updated 26 Oct 2026

**$6.8M** raised across 2 rounds since 2024, from 2 sources

**$750K** Grant **$6.0M** Series A

- **Latest round:** Series A, $6.0M Apr 2026
- **Step-up i:** 8×
- **Investors:** 2

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.

2025 2026

**$750K** Grant

**$6.0M** Series A

- **First round:** Grant, $750K
- **Biggest round:** $6.0M
- **Between rounds:** 2.1 years

## The rounds

- **Apr 2026** Series A **$6.0M** *2 returning* [Seraphim Space](https://millionrounds.com/fund/seraphim-space) [NASA](https://millionrounds.com/fund/nasa-national-aeronautics-and-space-administration) Source recorded
- **Mar 2024** Grant **$750K** *2 new* [Seraphim Space](https://millionrounds.com/fund/seraphim-space) [NASA](https://millionrounds.com/fund/nasa-national-aeronautics-and-space-administration) Source recorded

## 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.

**Grant** 2024 **Series A** 2026 [Seraphim Space](https://millionrounds.com/fund/seraphim-space) [NASA](https://millionrounds.com/fund/nasa-national-aeronautics-and-space-administration)

## Everyone who backed them

[Seraphim Space](https://millionrounds.com/fund/seraphim-space) VC firm **2** rounds

[NASA](https://millionrounds.com/fund/nasa-national-aeronautics-and-space-administration) Company **2** rounds

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=rhea-space).

## Quick answers about Rhea Space

### Who invested in Rhea Space?

Rhea Space's investors include Seraphim Space and NASA.

### 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.

## Companies like Rhea Space

In the same sector, and raised in the last eighteen months.

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**Apex** $1.1B · Oct 2026](https://millionrounds.com/company/apex)[**Xona** $512M · Oct 2026](https://millionrounds.com/company/xona)[**Jeevy Fabrication** Oct 2026](https://millionrounds.com/company/jeevy-fabrication)[**Varda Space Industries** $438M · Oct 2026](https://millionrounds.com/company/varda-space-industries)[**Kapta Space** $29M · Oct 2026](https://millionrounds.com/company/kapta-space)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app