Queens Carbon
PrivateLast Round
Seed
Apr 30, 2025
Total Funding Raised
$24.5M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Queens Carbon is a materials science company that develops energy-efficient, carbon-neutral cementitious materials and manufacturing technology for the construction industry.
Sector
Frontier & Industrial Tech
Verticals
Advanced Materials, Sustainable Materials, Construction Tech, Clean Manufacturing, Green Building
Business Model
B2B
Customer Profile
Services & Consulting, Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Queens Carbon Comparables
Compare Queens Carbon with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Brimstone | 84% | |
| Furno Materials | 83% | |
| Terra CO2 Technologies | 83% |
Queens Carbon Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Apr 30, 2025 | ||||
| Grant | Jun 25, 2024 |
Key People
Founding team and executive leadership
Queens Carbon Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Plug and Play Tech Center | Seed |
| Clean Energy Venture Group | Seed |
| Breakthrough Energy Foundation | Accelerator |
| US Department of Energy (ARPA-E) | Grant |
| Clean Energy Ventures | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 22, 2026
Monthly visitors grew 133% MoM, reaching 3.1K.
- Apr 30, 2025
$10M raised in Seed round.
Queens Carbon 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 accessFrequently Asked Questions
Common questions about Queens Carbon's valuation, stock price, and market status.
Is Queens Carbon a public or private company?
Queens Carbon is a private company.
What is the current stock price of Queens Carbon?
Queens Carbon is a private company with no public stock price. No recent secondary market data is available.
How much is Queens Carbon worth (valuation)?
Valuation information for Queens Carbon is not publicly available.
Can I buy Queens Carbon stock?
Queens Carbon shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Queens Carbon's last funding round?
Queens Carbon's most recent funding round was Seed on April 30, 2025.
Who are the main investors in Queens Carbon?
Key investors in Queens Carbon include Clean Energy Ventures.
Will Queens Carbon IPO soon?
No public IPO plans have been announced for Queens Carbon.
How can I track Queens Carbon secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Queens Carbon's secondary market activity and sign up for updates.