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Partanna

Partanna

Private
Wilmington, DelawareEnergy & Sustainabilityhttps://partanna.com/

Last Round

Strategic

Jun 10, 2025

Est. Valuation

$190M

Total Funding Raised

$26.07M

Company Overview

Partanna is a climate technology company that manufactures carbon-negative concrete and sustainable building materials designed to sequester carbon dioxide.

Sector

Energy & Sustainability

Verticals

Sustainable Materials, Carbon Capture, Construction Tech, Green Building, Advanced Materials

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Non-AI

Keywords

carbon-negative cementgreen concretesustainable constructioncarbon-capturing cementcoastal resiliencedecarbonizationcement alternativeclimate techbuilding materialscarbon-negative buildingsustainable building materialsmaterial sciencecarbon sequestrationgreen building

Historical Pricing

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Caplight Momentum Score

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Partanna Comparables

Compare Partanna with similar companies based on industry and business-model similarity.

Partanna comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Sublime Systems
84%
Brimstone
83%
Fortera
82%

Partanna Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
StrategicJun 10, 2025
AcceleratorSep 12, 2024
Pre SeedMay 3, 2023

Key People

Founding team and executive leadership

Rick Fox

Co-Founder CEO

Founding Team

Partanna Investors

Notable investors and investment history

Partanna investors
InvestorRounds
Cherubic VenturesPre Seed
Pegasus Capital AdvisorsStrategic
Hub71Accelerator

Market signals

Structured signals derived from secondary market and firmographic data.

  • May 12, 2026

    Monthly visitors increased 90% MoM.

  • Jun 10, 2025

    $20M round led by Pegasus Capital Advisors.

Partanna Filings

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Partanna filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Partanna's valuation, stock price, and market status.

Is Partanna a public or private company?

Partanna is a private company.

What is the current stock price of Partanna?

Partanna is a private company with no public stock price. No recent secondary market data is available.

How much is Partanna worth (valuation)?

Partanna's valuation is estimated at $190.0M based on funding round data.

Can I buy Partanna stock?

Partanna 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 Partanna's last funding round?

Partanna's most recent funding round was Strategic on May 3, 2023.

Who are the main investors in Partanna?

Key investors in Partanna include Cherubic Ventures.

Will Partanna IPO soon?

No public IPO plans have been announced for Partanna.

How can I track Partanna secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Partanna's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersWilmington, Delaware
Employee Range3
Year Founded2021
Last FundingJun 10, 2025

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