Prometheus Fuels
PrivateLast Round
Series B
Sep 23, 2021
Est. Valuation
$1.5B
Total Funding Raised
$112.65M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Prometheus Fuels operates in Energy & Sustainability and is based in Santa Cruz, California. Its latest recorded funding round was a Series B round in September 2021.
Prometheus Fuels is a clean energy company that develops integrated, carbon-neutral power infrastructure and produces synthetic e-fuels from atmospheric carbon dioxide and renewable electricity.
Sector
Energy & Sustainability
Verticals
Alternative Fuels, Carbon Capture, Aviation & Drones
Business Model
B2B
Customer Profile
Data as a Service, Hardware Sales
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Prometheus Fuels Comparables
Compare Prometheus Fuels with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Twelve | 88% | |
| HIF Global | 85% | |
| Synhelion | 83% |
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Prometheus Fuels Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Sep 23, 2021 | ||||
| Series A | Jun 9, 2020 | ||||
| Seed | Mar 18, 2019 |
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Key People
Founding team and executive leadership
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Prometheus Fuels Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Fundamental Ventures | Series B |
| Metaplanet Holdings | Series B |
| Emles Venture Partners | Series B |
| Tjuvholmen Ventures | Series A |
| Maersk Growth | Series B |
| Y Combinator | Seed |
| BMW i Ventures | Series B, Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 22, 2026
Monthly visitors increased 129% MoM.
- Jan 14, 2026
Launched a new pathway for producing synthetic paraffinic kerosene from DAC and renewable electricity.
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Prometheus Fuels Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Prometheus Fuels's valuation, stock price, and market status.
Is Prometheus Fuels a public or private company?
Prometheus Fuels is a private company.
What is the current stock price of Prometheus Fuels?
Prometheus Fuels is a private company, so its shares have no public market price. Caplight tracks Prometheus Fuels's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Prometheus Fuels worth (valuation)?
Prometheus Fuels's valuation is estimated at $1.5B based on funding round data.
Can I buy Prometheus Fuels stock?
Prometheus Fuels shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Prometheus Fuels's last funding round?
Prometheus Fuels's most recent funding round was Series B on September 23, 2021.
Who are the main investors in Prometheus Fuels?
Key investors in Prometheus Fuels include Maersk Growth, BMW i Ventures.
Will Prometheus Fuels IPO soon?
No public IPO plans have been announced for Prometheus Fuels.
How can I track Prometheus Fuels secondary market activity?
Caplight tracks bids, offers, and trades in Prometheus Fuels's shares on secondary markets.