Carba
PrivateLast Round
Seed
Dec 3, 2025
Total Funding Raised
$16M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Carba operates in Energy & Sustainability and is based in Minneapolis, Minnesota. Its latest recorded funding round was a Seed round in December 2025.
Carba is an environmental services company that develops carbon removal technology to accelerate the natural process of CO₂ mineralization, permanently removing carbon dioxide while producing a valuable soil amendment.
Sector
Energy & Sustainability
Verticals
Carbon Capture, Waste Management, Circular Economy, Sustainable Materials
Business Model
B2B
Customer Profile
Services & Consulting, Government Contracts
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Carba Comparables
Compare Carba with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Graphyte | 86% | |
| Exomad Green | 86% | |
| Vaulted Deep | 84% |
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Carba Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Dec 3, 2025 | ||||
| Debt | Jun 11, 2025 | ||||
| SAFE | Jun 1, 2025 | ||||
| Grant | Oct 18, 2024 |
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Key People
Founding team and executive leadership
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Carba Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Groove Capital | Seed |
| Rusheen Capital Management | Seed |
| JLL Foundation | Debt |
| Collaborative Fund | Seed |
| Demos Fund | Seed |
| Grid Catalyst | Seed |
| Venn Foundation | Debt |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Jan 21, 2026
Grew 20% QoQ from 15 to 18 employees.
- Dec 3, 2025
$6M round led by Rusheen Capital Management.
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Recent news
Latest coverage and updates
- sells_assets_toSep 11, 2026
Following project validation, Carba, Inc. sells verified durable carbon removal credits tied to its Minnesota facility to U.S. Bank, marking the buyer's inaugural purchase on Sep 11th '26.
- expands_facilitiesSep 7, 2026
Carba, Inc. expands its Burnsville facility in Minnesota with the world's first molten salt pyrolysis reactor for carbon dioxide removal via waste biomass in early 2026.
- expands_facilitiesSep 7, 2026
Carba, Inc. expands its Burnsville, Minnesota, facility with the world’s first molten salt pyrolysis reactor for carbon dioxide removal via waste biomass at the beginning of 2026.
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Carba 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 Carba's valuation, stock price, and market status.
Is Carba a public or private company?
Carba is a private company.
What is the current stock price of Carba?
Carba is a private company, so its shares have no public market price. Caplight tracks Carba's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Carba worth (valuation)?
Valuation information for Carba is not publicly available.
Can I buy Carba stock?
Carba shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Carba's last funding round?
Carba's most recent funding round was Seed on December 3, 2025.
Who are the main investors in Carba?
Key investors in Carba include Rusheen Capital Management.
Will Carba IPO soon?
No public IPO plans have been announced for Carba.
How can I track Carba secondary market activity?
Caplight tracks bids, offers, and trades in Carba's shares on secondary markets.