# Orion Sleep funding: rounds and investors

> Orion Sleep has raised $18M across 1 round since 2025. Investors include Mucker Capital. Every round with its source.

Source: https://millionrounds.com/company/orion-sleep (Millionrounds; every figure on the page links to its filing or article)

United States · [Seed startup](https://millionrounds.com/companies)

# Who invested in *Orion Sleep*

One round we have observed, with the one investor 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

Raised 11 months ago

Funding summary Updated 26 Oct 2026

**$18M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $18M Dec 2025
- **Investors:** 1

See who backed them

## The rounds

- **Dec 2025** Seed **$18M** [Mucker Capital](https://millionrounds.com/fund/mucker-capital) Source recorded

## Everyone who backed them

[Mucker Capital](https://millionrounds.com/fund/mucker-capital) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=orion-sleep).

## Also claim to have backed them

These 2 firms list Orion Sleep 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.

[Criticality](https://millionrounds.com/fund/criticality) VC firm Per its own site

[The Family Fund & Founder Community](https://millionrounds.com/fund/the-family-fund-and-founder-community) VC firm Per its own site

## Quick answers about Orion Sleep

### Who invested in Orion Sleep?

Orion Sleep's investors include Mucker Capital.

### How much has Orion Sleep raised?

Orion Sleep has raised $18M across 1 round since 2025.

### When did Orion Sleep last raise?

Orion Sleep's most recent round was a Seed of $18M in Dec 2025.

### What was Orion Sleep's biggest round?

Its most recent round, $18M in Dec 2025, is also its largest on record.

### Who backed Orion Sleep first?

Orion Sleep's first round on record, in Dec 2025, was backed by Mucker Capital.

### What stage is Orion Sleep at?

Orion Sleep's latest named round is a Seed, in Dec 2025.

### Where is Orion Sleep based?

Orion Sleep is based in the United States.

## Companies like Orion Sleep

In the same sector, and raised in the last eighteen months.

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)

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