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Lightfinder

Lightfinder

Private
Cambridge, MassachusettsFrontier & Industrial Techhttps://www.lightfindertech.com/

Last Round

Grant

Aug 24, 2026

Total Funding Raised

$2.15M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Lightfinder is an electronic equipment and instruments company that develops chip-scale photonic technologies and spectrometers powered by AI for applications in healthcare, telecommunications, and industrial inspection.

Sector

Frontier & Industrial Tech

Verticals

Sensors, Medical Imaging, Semiconductors

Business Model

B2B

Customer Profile

Services & Consulting, Government Contracts

AI Layer

Application

Keywords

silicon photonicschip-scale spectrometeroptical coherence tomographyOCTphotonic integrated circuitPICoptical sensinglab-on-a-chipspectroscopynon-destructive testingNDTsignal processingmetrologydeep techpoint-of-care diagnostics

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Lightfinder Comparables

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

Lightfinder comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
MantiSpectra
80%
Perceptra
79%
nanoLambda
78%

Lightfinder Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantAug 24, 2026
SAFEAug 24, 2026
GrantMay 15, 2026
AcceleratorJul 7, 2025

Lightfinder Investors

Notable investors and investment history

Lightfinder investors
InvestorRounds
The EngineAccelerator
Lam CapitalSAFE
Massachusetts Life Sciences CenterGrant
ActivateAccelerator
National Science FoundationGrant

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 24, 2026

    $600K round led by Lam Capital

  • Aug 24, 2026

    $1.25M grant from the National Science Foundation.

Lightfinder Filings

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

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Frequently Asked Questions

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

Is Lightfinder a public or private company?

Lightfinder is a private company.

What is the current stock price of Lightfinder?

Lightfinder is a private company with no public stock price. Caplight tracks Lightfinder's secondary market activity and provides MarketPrice™ estimates to Caplight users.

How much is Lightfinder worth (valuation)?

Valuation information for Lightfinder is not publicly available.

Can I buy Lightfinder stock?

Lightfinder 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 Lightfinder's last funding round?

Lightfinder's most recent funding round was Grant on August 24, 2026.

Who are the main investors in Lightfinder?

Key investors in Lightfinder include Activate.

Will Lightfinder IPO soon?

No public IPO plans have been announced for Lightfinder.

How can I track Lightfinder secondary market activity?

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

Firmographic Details

HeadquartersCambridge, Massachusetts
Employee Range3
Year Founded2023
Last FundingAug 24, 2026

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