Prometheus
PrivateLast Round
Series B
Jun 11, 2026
Est. Valuation
$41B
Total Funding Raised
$18.2B
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Prometheus is an artificial intelligence company that develops AI systems for physical economy applications, including engineering, manufacturing, aerospace, and robotics.
Sector
Frontier & Industrial Tech
Verticals
Smart Manufacturing, ML Platforms, Industrial Robotics, Defense Tech, Semiconductors
Business Model
B2B
Customer Profile
Services & Consulting, Government Contracts, Subscription SaaS
AI Layer
Foundation
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Prometheus Comparables
Compare Prometheus with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Generative Engineering | 84% | |
| Physical Intelligence | 79% | |
| Synera | 78% |
Prometheus Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Jun 11, 2026 | ||||
| Series A | Nov 17, 2025 |
Secondary Market Activity
Bids, offers, and trades by month
| Operation | Date | Price | Size | Share Class | Structure |
|---|---|---|---|---|---|
BID | |||||
OFFER |
Prometheus Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| DST Global | Series B |
| ARCH Venture Partners | Series B |
| ARCH Venture Partners | Series B |
| BlackRock | Series B |
| Goldman Sachs | Series B |
| JPMorgan Chase & Co. | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 19, 2026
$10.0B round at $38.0B post-money valuation.
- Nov 17, 2025
$6.2B round raised.
Prometheus 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.
Request accessAppears On
Curated lists and screens where this company is featured.
Frequently Asked Questions
Common questions about Prometheus's valuation, stock price, and market status.
Is Prometheus a public or private company?
Prometheus is a private company.
What is the current stock price of Prometheus?
Prometheus is a private company, so its shares have no public market price. Caplight tracks Prometheus's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Prometheus worth (valuation)?
Prometheus's valuation is estimated at $41.0B based on funding round data.
Can I buy Prometheus stock?
Prometheus shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Prometheus's last funding round?
Prometheus's most recent funding round was Series B on June 11, 2026.
Who are the main investors in Prometheus?
Key investors in Prometheus include DST Global, ARCH Venture Partners, ARCH Venture Partners, BlackRock, Goldman Sachs.
Will Prometheus IPO soon?
No public IPO plans have been announced for Prometheus.
How can I track Prometheus secondary market activity?
Caplight tracks bids, offers, and trades in Prometheus's shares on secondary markets.