Lumai
We are a spin-out from the University of Oxford and a team of optical computing and machine learning experts dedicated to realising fully optical computing.
Lumai has raised €10M across 2 funding rounds from 9 investors, most recently a round in Apr 2025. Based in Oxford, UK; active in Hardware. Data as of 28 Oct 2026.
Oxford, UKlumai.co.uk ↗
Total raised
€10M
€10,495,078
Funding rounds
2
Investors
9
distinct backers
Active since
2023-02
latest 2025-04
Funding by year
EUR raised per yearLumai — funding by year — interactive chart.
Data table
| Lumai — funding by year | |
|---|---|
| 2023 | €1.2M |
| 2025 | €9.3M |
Signals
High confidenceRaise-next likelihood44
base rate 30% for Other
- ▲ In typical raise window
- ▲ Up-round momentum
- ▼ Low backer re-investment
Exit likelihood8
base rate 11% (2+ rounds)
- ▼ No recent equity round (debt-only or quiet)
Timing: in window vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
2 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2025-04-02 | Other | €9.3M | PhotonVentures,Constructor Capital,IP Group,Journey Ventures,LIFTT,Qubits Ventures+2 more | View deal → |
| 2023-02-15 | Grant | €1.2M | Innovate UK | View deal → |