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Metalmark Innovations

Metalmark Innovations

Private
Cambridge, MassachusettsEnergy & Sustainabilityhttps://www.metalmark.xyz/

Last Round

Debt

Dec 16, 2025

Total Funding Raised

$5.75M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Metalmark Innovations is a climate technology company that develops and manufactures self-renewing commercial air purification systems and indoor environmental intelligence platforms designed to improve indoor air quality.

Sector

Energy & Sustainability

Verticals

Environmental Monitoring, Smart Buildings, Facility Management, Advanced Materials, Green Building

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Application

Keywords

indoor air qualityIAQair purificationenvironmental monitoringsmart buildingfacility managementair filtrationbuilding healthmaterials scienceIEQindoor environmental qualityclean techproptechair quality sensorsmoke readiness

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Metalmark Innovations Comparables

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Metalmark Innovations comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Kaiterra
79%
uHoo
78%
Aethair
77%

Metalmark Innovations Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
DebtDec 16, 2025
GrantFeb 20, 2024
GrantDec 19, 2023
GrantMar 1, 2023
GrantDec 1, 2022
Series A
Feb 24, 2022

Key People

Founding team and executive leadership

Sissi Liu

CEO & Co-Founder

Founding Team

Metalmark Innovations Investors

Notable investors and investment history

Metalmark Innovations investors
InvestorRounds
FLOBAS VenturesSeed
URBAN-XSeed, Accelerator
Massachusetts Development Finance AgencyGrant
JLL FoundationDebt
MassVenturesSeed, Grant
Massachusetts Clean Energy CenterGrant
Climate CapitalSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Dec 16, 2025

    Secured debt financing from JLL Foundation.

  • Feb 20, 2024

    $50K grant from Massachusetts Clean Energy Center and MassVentures.

Recent news

Latest coverage and updates

  • launchesAug 3, 2026

    Metalmark Innovations, Inc. launched pasoh indoor environmental quality sensor on Aug 3rd '26.

Metalmark Innovations Filings

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

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Frequently Asked Questions

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

Is Metalmark Innovations a public or private company?

Metalmark Innovations is a private company.

What is the current stock price of Metalmark Innovations?

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

How much is Metalmark Innovations worth (valuation)?

Valuation information for Metalmark Innovations is not publicly available.

Can I buy Metalmark Innovations stock?

Metalmark Innovations 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 Metalmark Innovations's last funding round?

Metalmark Innovations's most recent funding round was Grant on March 20, 2024.

Who are the main investors in Metalmark Innovations?

Key investors in Metalmark Innovations include URBAN-X, MassVentures, Massachusetts Clean Energy Center, Propagator Ventures.

Will Metalmark Innovations IPO soon?

No public IPO plans have been announced for Metalmark Innovations.

How can I track Metalmark Innovations secondary market activity?

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

Firmographic Details

HeadquartersCambridge, Massachusetts
Employee Range3
Year Founded2017
Last FundingDec 16, 2025

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