Who invested in Lumen Energy?
Lumen Energy's investors include Lowercarbon Capital, Third Derivative and Designer Fund.

United States · Venture startup
Funding summaryUpdated 26 Oct 2026
$3.0Mraised across 2 rounds since 2025, from 2 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Source recordedSEC filing: $700K sold
Source recordedSEC filing: $2.3M sold, first sale May 2025
From Lumen Energy's own website: 17 on the team.
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Lumen Energy's investors include Lowercarbon Capital, Third Derivative and Designer Fund.
Lumen Energy has raised $3.0M across 2 rounds since 2025.
Lumen Energy's most recent round was a Venture of $700K in Apr 2026.
Lumen Energy's largest round on record is $2.3M (Venture), in Aug 2025.
Lumen Energy's first round on record, in Aug 2025, was backed by Lowercarbon Capital, Third Derivative and Designer Fund.
Lumen Energy's latest named round is a Venture, in Apr 2026.
Lumen Energy is based in the United States.
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