United States · 
Who invested in Circle Optics?
Circle Optics's investors include National Science Foundation, Newchip Accelerator and Luminate.
United States · Funded startup
Who invested in Circle Optics
One round we have observed, with the 3 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$450Kraised across 1 round since 2024, from 1 source
- Latest round
- Grant, $450KMay 2024
- Investors
- 3
The rounds
- May 2024
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 4 firms list Circle Optics as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Circle Optics
How much has Circle Optics raised?
Circle Optics has raised $450K across 1 round since 2024.
When did Circle Optics last raise?
Circle Optics's most recent round was a Grant of $450K in May 2024.
What was Circle Optics's biggest round?
Its most recent round, $450K in May 2024, is also its largest on record.
Who backed Circle Optics first?
Circle Optics's first round on record, in May 2024, was backed by National Science Foundation, Newchip Accelerator and Luminate.
What stage is Circle Optics at?
Circle Optics's latest named round is a Grant, in May 2024.
Where is Circle Optics based?
Circle Optics is based in the United States.
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