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Tech.euFundingExplorerBeta

dotLumen

.lumen builds glasses that help the blind live a better life

Total raised
€30M
€30,300,000
Funding rounds
4
Investors
8
distinct backers
Active since
2021-12
latest 2025-10

Funding by year

EUR raised per year

Signals

High confidence
Raise-next likelihood57
base rate 46% for Grant
  • In typical raise window
  • Up-round momentum
  • Low backer re-investment
Exit likelihood19
base rate 12% (2+ rounds)
  • 4 rounds raised
  • €30M+ raised

Timing: in window vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.