United States · Pre-seed startup

Who invested in Untether Labs

One round we have observed, with the 2 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.

Healthcare

Y Combinator: W23

Funding summaryUpdated 26 Oct 2026

$500Kraised across 1 round since 2023, from 1 source

Latest round
Pre-seed, $500KApr 2023
Investors
2
See who backed them

The rounds

  1. Apr 2023
    Pre-seed$500K

    Source recorded

Everyone who backed them

Y CombinatorAccelerator1round
Rebel FundVC firm1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 2 firms list Untether Labs 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.

Maiora VenturesVC firmPer its own site
Opal VenturesVC firmPer its own site

Quick answers about Untether Labs

Who invested in Untether Labs?

Untether Labs's investors include Y Combinator and Rebel Fund.

How much has Untether Labs raised?

Untether Labs has raised $500K across 1 round since 2023.

When did Untether Labs last raise?

Untether Labs's most recent round was a Pre-seed of $500K in Apr 2023.

What was Untether Labs's biggest round?

Its most recent round, $500K in Apr 2023, is also its largest on record.

Who backed Untether Labs first?

Untether Labs's first round on record, in Apr 2023, was backed by Y Combinator and Rebel Fund.

What stage is Untether Labs at?

Untether Labs's latest named round is a Pre-seed, in Apr 2023.

Where is Untether Labs based?

Untether Labs is based in the United States.

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