Lightium AG
PrivateLast Round
Grant
Nov 17, 2025
Total Funding Raised
$18.94M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Lightium AG operates in AI, Data & Cloud Infrastructure and is based in Schlieren. Its latest recorded funding round was a Grant round in November 2025.
Lightium AG is a semiconductor company that provides photonic integrated circuit (PIC) foundry and design services based on its proprietary thin-film lithium niobate (TFLN) technology.
Sector
AI, Data & Cloud Infrastructure
Verticals
Semiconductors, Cloud Infrastructure
Business Model
B2B
Customer Profile
Services & Consulting, Usage-Based SaaS
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Lightium AG Comparables
Compare Lightium AG with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| CCRAFT SA | 94% | |
| Rapid Photonics | 85% | |
| Sabratha Photonics | 82% |
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Lightium AG Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Nov 17, 2025 | ||||
| Grant | Feb 5, 2025 | ||||
| Seed | Sep 19, 2024 | ||||
| Grant | May 13, 2024 |
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Key People
Founding team and executive leadership
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Lightium AG Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Agência Nacional de Inovação | Grant |
| Lakestar | Seed |
| Innovate UK | Grant |
| Vsquared Ventures | Seed |
| Innosuisse | Grant |
| Venture Kick | Grant |
| Innosuisse | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 24, 2026
Grew 33% QoQ from 24 to 32 employees.
- Aug 3, 2026
Open roles increased to 33, 118% of headcount.
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Lightium AG 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.
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Frequently Asked Questions
Common questions about Lightium AG's valuation, stock price, and market status.
Is Lightium AG a public or private company?
Lightium AG is a private company.
What is the current stock price of Lightium AG?
Lightium AG is a private company, so its shares have no public market price. Caplight tracks Lightium AG's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Lightium AG worth (valuation)?
Valuation information for Lightium AG is not publicly available.
Can I buy Lightium AG stock?
Lightium AG shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Lightium AG's last funding round?
Lightium AG's most recent funding round was Grant on November 17, 2025.
Who are the main investors in Lightium AG?
Key investors in Lightium AG include Lakestar, Vsquared Ventures, Venture Kick.
Will Lightium AG IPO soon?
No public IPO plans have been announced for Lightium AG.
How can I track Lightium AG secondary market activity?
Caplight tracks bids, offers, and trades in Lightium AG's shares on secondary markets.