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Lightspring

Lightspring

Private
BesançonFrontier & Industrial Techhttps://light-spring.com

Last Round

Seed

Sep 22, 2026

Total Funding Raised

$3.56M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Lightspring operates in Frontier & Industrial Tech and is based in Besançon. Its latest recorded funding round was a Seed round in September 2026.

Lightspring is a deeptech company that designs and manufactures optical interfaces for photonic integrated circuits using 3D lithography.

Sector

Frontier & Industrial Tech

Verticals

Semiconductors, Computing Hardware, 3D Printing, Fiber Networks

Business Model

B2B

Customer Profile

Services & Consulting, Hardware Sales

AI Layer

Infrastructure

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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Lightspring Comparables

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

Lightspring comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
ICON Photonics
86%
Photonect Interconnect Solutions
79%
Mycronic AB
78%
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Lightspring Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedSep 22, 2026
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Key People

Founding team and executive leadership

Adrià Grabulosa

Co-Founder & CTO

Founding Team

Grégoire Bonnat

Co-founder, CEO

Founding Team

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Lightspring Investors

Notable investors and investment history

Lightspring investors
InvestorRounds
Plug and Play Tech CenterSeed
iXcoreSeed
OVNI CapitalSeed
Concept VenturesSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Sep 22, 2026

    $3.56M round led by OVNI Capital

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Recent news

Latest coverage and updates

  • is_developingSep 22, 2026

    In France on Sep 22nd '26, Light Spring is building the first 3D-fabricated photonic integration platform, using 3D lithography to create microlenses, 3D waveguides and beam-shaping elements directly on chips for fibre-to-chip, laser-to-chip and chiplet-to-chiplet coupling.

  • receives_financingSep 22, 2026

    On Sep 22nd '26, Light Spring announced the close of its $3.56M Seed round, led by Atlantic and OVNI Capital with participation from Concept Ventures, Ixcore, Plug and Play Ventures, and industry business angels, to advance its optical packaging technology toward production.

  • receives_financingSep 22, 2026

    Light Spring receives a $402K grant alongside additional public innovation funding in Sep '26, bringing its total dilutive and non-dilutive financing above €3.5 million to move its 3D optical coupling process from the lab to production.

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Lightspring Filings

Explore SEC and related filing metadata, where available.

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

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Frequently Asked Questions

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

Is Lightspring a public or private company?

Lightspring is a private company.

What is the current stock price of Lightspring?

Lightspring is a private company, so its shares have no public market price. Caplight tracks Lightspring's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Lightspring worth (valuation)?

Valuation information for Lightspring is not publicly available.

Can I buy Lightspring stock?

Lightspring shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Lightspring's last funding round?

Lightspring's most recent funding round was Seed on September 22, 2026.

Who are the main investors in Lightspring?

Key investors in Lightspring include OVNI Capital.

Will Lightspring IPO soon?

No public IPO plans have been announced for Lightspring.

How can I track Lightspring secondary market activity?

Caplight tracks bids, offers, and trades in Lightspring's shares on secondary markets.

Firmographic Details

HeadquartersBesançon
Employee Range2
Year Founded2026
Last FundingSep 22, 2026

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