# Rybodyn funding: rounds and investors

> Rybodyn has raised $14M across 2 rounds since 2025. Investors include SOSV and SeaX Ventures. Every round with its source.

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

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

# Who invested in *Rybodyn*

2 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Biotech

Raised 4 months ago

Funding summary Updated 26 Oct 2026

**$14M** raised across 2 rounds since 2025, from 2 sources

**$4.0M** Pre-seed **$10M** Seed

- **Latest round:** Seed, $10M Jul 2026
- **Step-up i:** 2.5×
- **Investors:** 2

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2025 2026

**$4.0M** Pre-seed

**$10M** Seed

- **First round:** Pre-seed, $4.0M
- **Biggest round:** $10M
- **Between rounds:** 18 months

## The rounds

- **Jul 2026** Seed **$10M** *1 new* *1 returning* [SOSV](https://millionrounds.com/fund/sosv) [SeaX Ventures](https://millionrounds.com/fund/seax-ventures) Source recorded
- **Jan 2025** Pre-seed **$4.0M** *1 new* [SOSV](https://millionrounds.com/fund/sosv) Source recorded

## Founders and team

From Rybodyn's own website: 2 on the team.

- **Andy Bass** VP, Corporate Strategy
- **Jessica Weir** Senior Associate Scientist

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Pre-seed** 2025 **Seed** 2026 [SOSV](https://millionrounds.com/fund/sosv) [SeaX Ventures](https://millionrounds.com/fund/seax-ventures)

## Everyone who backed them

[SOSV](https://millionrounds.com/fund/sosv) VC firm **2** rounds

[SeaX Ventures](https://millionrounds.com/fund/seax-ventures) VC firm **1** round

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

## Also claim to have backed them

These 3 firms list Rybodyn 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.

[EvoNexus](https://millionrounds.com/fund/evonexus) Accelerator Per its own site

[Swell Partners](https://millionrounds.com/fund/swell-vc) VC firm Per its own site

[Phase Two Ventures](https://millionrounds.com/fund/phase-two-ventures) VC firm Per its own site

## Quick answers about Rybodyn

### Who invested in Rybodyn?

Rybodyn's investors include SOSV and SeaX Ventures.

### How much has Rybodyn raised?

Rybodyn has raised $14M across 2 rounds since 2025.

### When did Rybodyn last raise?

Rybodyn's most recent round was a Seed of $10M in Jul 2026.

### What was Rybodyn's biggest round?

Its most recent round, $10M in Jul 2026, is also its largest on record.

### Who backed Rybodyn first?

Rybodyn's first round on record, in Jan 2025, was backed by SOSV.

### What stage is Rybodyn at?

Rybodyn's latest named round is a Seed, in Jul 2026.

### Where is Rybodyn based?

Rybodyn is based in the United States.

## Companies like Rybodyn

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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