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Lumai

Lumai

Private
OxfordAI, Data & Cloud Infrastructurehttps://lumai.ai

Last 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.

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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Lumai Comparables

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

Lumai comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Neurophos
88%
Luminous Computing
87%
Arago
86%
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Lumai Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AApr 2, 2025
Early FundingDec 1, 2023
SeedJan 10, 2022
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Key People

Founding team and executive leadership

James Spall

CTO & Co-founder, Co-Founder

Founding Team

Xianxin Guo

Chief Executive Officer

Executive Team

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Lumai Investors

Notable investors and investment history

Lumai investors
InvestorRounds
IP GroupSeries A, Seed
Constructor CapitalSeries A
Qubits VenturesSeries A
State Farm VenturesSeries A
Journey VenturesSeries A
Runa CapitalSeed
PhotonVenturesSeries 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.

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

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.

Firmographic Details

HeadquartersOxford
Employee Range24
Year Founded2022
Last FundingApr 2, 2025

Institutional Data Access

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