Calcarea Inc.
PrivateLast Round
Seed
Jan 30, 2023
Total Funding Raised
$3.5M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Calcarea Inc. is a climate-tech company that develops marine carbon capture systems designed to decarbonize the shipping industry by accelerating the natural weathering of limestone.
Sector
Energy & Sustainability
Verticals
Carbon Capture, Maritime & Shipping, Clean Transportation
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.
Calcarea Inc. Comparables
Compare Calcarea Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Carbon Ridge | 91% | |
| Value Maritime | 85% | |
| Seabound | 85% |
Calcarea Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Jan 30, 2023 |
Key People
Founding team and executive leadership
Calcarea Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| The Grantham Foundation for the Protection of the Environment | Seed |
| Propeller | Seed |
| Caltech Seed Fund | Seed |
| Azolla Ventures | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 3, 2026
Open roles increased from 0 to 3, representing 21% of headcount.
- Feb 4, 2026
Monthly visitors increased 163% MoM.
Calcarea Inc. 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 Calcarea Inc.'s valuation, stock price, and market status.
Is Calcarea Inc. a public or private company?
Calcarea Inc. is a private company.
What is the current stock price of Calcarea Inc.?
Calcarea Inc. is a private company, so its shares have no public market price. Caplight tracks Calcarea Inc.'s secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Calcarea Inc. worth (valuation)?
Valuation information for Calcarea Inc. is not publicly available.
Can I buy Calcarea Inc. stock?
Calcarea Inc. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Calcarea Inc.'s last funding round?
Calcarea Inc.'s most recent funding round was Seed on January 30, 2023.
Who are the main investors in Calcarea Inc.?
Key investors in Calcarea Inc. include The Grantham Foundation for the Protection of the Environment, Propeller, Caltech Seed Fund, Azolla Ventures.
Will Calcarea Inc. IPO soon?
No public IPO plans have been announced for Calcarea Inc..
How can I track Calcarea Inc. secondary market activity?
Caplight tracks bids, offers, and trades in Calcarea Inc.'s shares on secondary markets.