United States · 
Who invested in Rey?
Rey's investors include Oxford Science Enterprises and Optum Ventures.
United States · Series A startup
Who invested in Rey
Funding summaryUpdated 26 Oct 2026
$10Mraised across 1 round since 2021, from 1 source
- Latest round
- Series A, $10MJul 2021
- Investors
- 2
The rounds
- Jul 2021
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 Rey 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 Rey
How much has Rey raised?
Rey has raised $10M across 1 round since 2021.
When did Rey last raise?
Rey's most recent round was a Series A of $10M in Jul 2021.
What was Rey's biggest round?
Its most recent round, $10M in Jul 2021, is also its largest on record.
Who backed Rey first?
Rey's first round on record, in Jul 2021, was backed by Oxford Science Enterprises and Optum Ventures.
What stage is Rey at?
Rey's latest named round is a Series A, in Jul 2021.
Where is Rey based?
Rey is based in the United States.
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In the same sector, and raised in the last eighteen months.
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