Lumai
PrivateLast Round
Series A
Apr 2, 2025
Total Funding Raised
$13.46M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Lumai operates in AI, Data & Cloud Infrastructure and is based in Oxford. Its latest recorded funding round was a Series A round in April 2025.
Lumai is a computer hardware company that develops optical computing technology to accelerate artificial intelligence workloads in data centers.
Sector
AI, Data & Cloud Infrastructure
Verticals
Computing Hardware, Semiconductors, Cloud Infrastructure
Business Model
B2B
Customer Profile
Hardware Sales, Hardware + Subscription, Services & Consulting
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Lumai Comparables
Compare Lumai with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Neurophos | 88% | |
| Luminous Computing | 87% | |
| Arago | 86% |
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Lumai Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Apr 2, 2025 | ||||
| Early Funding | Dec 1, 2023 | ||||
| Seed | Jan 10, 2022 |
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Key People
Founding team and executive leadership
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Lumai Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| IP Group | Series A, Seed |
| Constructor Capital | Series A |
| Qubits Ventures | Series A |
| State Farm Ventures | Series A |
| Journey Ventures | Series A |
| Runa Capital | Seed |
| PhotonVentures | Series A |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 27, 2026
Open roles increased to 26, 108% of current headcount.
- Jul 20, 2026
Open roles increased to 11, representing 46% of headcount.
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Lumai 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 Lumai's valuation, stock price, and market status.
Is Lumai a public or private company?
Lumai is a private company.
What is the current stock price of Lumai?
Lumai is a private company, so its shares have no public market price. Caplight tracks Lumai's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Lumai worth (valuation)?
Valuation information for Lumai is not publicly available.
Can I buy Lumai stock?
Lumai shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Lumai's last funding round?
Lumai's most recent funding round was Series A on April 2, 2025.
Who are the main investors in Lumai?
Key investors in Lumai include IP Group, Constructor Capital, LIFTT EuroInvest.
Will Lumai IPO soon?
No public IPO plans have been announced for Lumai.
How can I track Lumai secondary market activity?
Caplight tracks bids, offers, and trades in Lumai's shares on secondary markets.