# Arcadia Medicine funding: rounds and investors

> Arcadia Medicine has raised $9.3M across 1 round since 2025. Investors include Sam Altman. Every round with its source.

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

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

# Who invested in *Arcadia Medicine*

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.

Biotech

Funding summary Updated 26 Oct 2026

**$9.3M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $9.3M Oct 2025
- **Investors:** 1

See who backed them

## The rounds

- **Oct 2025** Seed **$9.3M** [Sam Altman](https://millionrounds.com/fund/sam-altman) Source recorded

## Founders and team

From Arcadia Medicine's own website: 1 founder, 4 on the team.

**Josh Hardman** CEO and Founder

- **Nikita Obidin** President and CDO
- **Gary Riordan** Chief of Staff
- **Dean Carson** VP of Regulatory Affairs
- **Jaclyn Chau** Head of Strategy and Ops

Advisers *Graham Pechenik*

## Everyone who backed them

[Sam Altman](https://millionrounds.com/fund/sam-altman) Angel **1** round

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

## Quick answers about Arcadia Medicine

### Who invested in Arcadia Medicine?

Arcadia Medicine's investors include Sam Altman.

### How much has Arcadia Medicine raised?

Arcadia Medicine has raised $9.3M across 1 round since 2025.

### When did Arcadia Medicine last raise?

Arcadia Medicine's most recent round was a Seed of $9.3M in Oct 2025.

### What was Arcadia Medicine's biggest round?

Its most recent round, $9.3M in Oct 2025, is also its largest on record.

### Who backed Arcadia Medicine first?

Arcadia Medicine's first round on record, in Oct 2025, was backed by Sam Altman.

### What stage is Arcadia Medicine at?

Arcadia Medicine's latest named round is a Seed, in Oct 2025.

### Where is Arcadia Medicine based?

Arcadia Medicine is based in the United States.

## Companies like Arcadia Medicine

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)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)

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