United States · 
Who invested in Prometheus Materials?
Prometheus Materials's investors include US Department of Energy and Sofinnova Partners.
United States · Funded startup
Who invested in Prometheus Materials
Funding summaryUpdated 26 Oct 2026
$10Mraised across 1 round since 2024, from 1 source
- Latest round
- Grant, $10MNov 2024
- Investors
- 2
The rounds
- Nov 2024Grant$10M
Source recordedSEC filing: $6.3M sold, first sale Jul 2024
Founders and team
From Prometheus Materials's own website: 1 founder, 5 on the team.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Prometheus Materials
How much has Prometheus Materials raised?
Prometheus Materials has raised $10M across 1 round since 2024.
When did Prometheus Materials last raise?
Prometheus Materials's most recent round was a Grant of $10M in Nov 2024.
What was Prometheus Materials's biggest round?
Its most recent round, $10M in Nov 2024, is also its largest on record.
Who backed Prometheus Materials first?
Prometheus Materials's first round on record, in Nov 2024, was backed by US Department of Energy and Sofinnova Partners.
What stage is Prometheus Materials at?
Prometheus Materials's latest named round is a Grant, in Nov 2024.
Where is Prometheus Materials based?
Prometheus Materials is based in the United States.
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