# Rapafusyn Pharmaceuticals funding: rounds and investors

> Rapafusyn Pharmaceuticals has raised $16M across 1 round since 2025. Investors include 3E Bioventures. Every round with its source.

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

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

# Who invested in *Rapafusyn Pharmaceuticals*

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

**$16M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series A, $16M Sept 2025
- **Investors:** 1

See who backed them

## The rounds

- **Sept 2025** Series A **$16M** [3E Bioventures](https://millionrounds.com/fund/3e-bioventures) Source recorded

## Founders and team

From Rapafusyn Pharmaceuticals's own website: 2 on the team.

- **Alex Rabby** Head of Platform
- **Haolin Sung** Director

## Everyone who backed them

[3E Bioventures](https://millionrounds.com/fund/3e-bioventures) VC firm **1** round

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

## Quick answers about Rapafusyn Pharmaceuticals

### Who invested in Rapafusyn Pharmaceuticals?

Rapafusyn Pharmaceuticals's investors include 3E Bioventures.

### How much has Rapafusyn Pharmaceuticals raised?

Rapafusyn Pharmaceuticals has raised $16M across 1 round since 2025.

### When did Rapafusyn Pharmaceuticals last raise?

Rapafusyn Pharmaceuticals's most recent round was a Series A of $16M in Sept 2025.

### What was Rapafusyn Pharmaceuticals's biggest round?

Its most recent round, $16M in Sept 2025, is also its largest on record.

### Who backed Rapafusyn Pharmaceuticals first?

Rapafusyn Pharmaceuticals's first round on record, in Sept 2025, was backed by 3E Bioventures.

### What stage is Rapafusyn Pharmaceuticals at?

Rapafusyn Pharmaceuticals's latest named round is a Series A, in Sept 2025.

### Where is Rapafusyn Pharmaceuticals based?

Rapafusyn Pharmaceuticals is based in the United States.

## Companies like Rapafusyn Pharmaceuticals

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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