United States · 
Who invested in OpenLight?
OpenLight's investors include Mayfield Fund.
2026
$34MSeries A$50MSeries A
United States · Series A startup
Who invested in OpenLight
Funding summaryUpdated 26 Oct 2026
$84Mraised across 2 rounds since 2025, from 2 sources
$34MSeries A$50MSeries A
- Latest round
- Series A, $50MApr 2026
- Step-upi
- 1.5×
- Investors
- 1
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $34M Aug 2025
- Biggest round
- $50M Series A · Apr 2026
- Between rounds
- 8 months from the last two
The rounds
- Apr 2026
- Aug 2025
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists OpenLight as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about OpenLight
How much has OpenLight raised?
OpenLight has raised $84M across 2 rounds since 2025.
When did OpenLight last raise?
OpenLight's most recent round was a Series A of $50M in Apr 2026.
What was OpenLight's biggest round?
Its most recent round, $50M in Apr 2026, is also its largest on record.
Who backed OpenLight first?
OpenLight's first round on record, in Aug 2025, was backed by Mayfield Fund.
What stage is OpenLight at?
OpenLight's latest named round is a Series A, in Apr 2026.
Where is OpenLight based?
OpenLight is based in the United States.
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