# Alcyone Therapeutics funding: rounds and investors

> Alcyone Therapeutics has raised across 1 round since 2025. Investors include RTW Investments LLC. Every round with its source.

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

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

# Who invested in *Alcyone Therapeutics*

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

**Undisclosed** raised across 1 round since 2025, from 1 source

- **Latest round:** Venture Apr 2025
- **Investors:** 1

See who backed them

## The rounds

- **Apr 2025** Venture **Amount undisclosed** [RTW Investments LLC](https://millionrounds.com/fund/rtw-investments-lp) Source recorded SEC filing: $19M sold, first sale Nov 2023

## Everyone who backed them

[RTW Investments LLC](https://millionrounds.com/fund/rtw-investments-lp) Growth equity **1** round

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

## Quick answers about Alcyone Therapeutics

### Who invested in Alcyone Therapeutics?

Alcyone Therapeutics's investors include RTW Investments LLC.

### How much has Alcyone Therapeutics raised?

Alcyone Therapeutics has raised 1 round since 2025, none with a disclosed amount.

### When did Alcyone Therapeutics last raise?

Alcyone Therapeutics's most recent round was a Venture in Apr 2025.

### Who backed Alcyone Therapeutics first?

Alcyone Therapeutics's first round on record, in Apr 2025, was backed by RTW Investments LLC.

### What stage is Alcyone Therapeutics at?

Alcyone Therapeutics's latest named round is a Venture, in Apr 2025.

### Where is Alcyone Therapeutics based?

Alcyone Therapeutics is based in the United States.

## Companies like Alcyone Therapeutics

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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