# Vast Therapeutics funding: rounds and investors

> Vast Therapeutics has raised $15M across 2 rounds since 2019. Investors include National Institutes of Health and Shionogi & Co. Every round with its source.

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

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

# Who invested in *Vast Therapeutics*

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 Healthcare

Funding summary Updated 26 Oct 2026

**$15M** raised across 2 rounds since 2019, from 2 sources

- **Latest round:** Venture Sept 2025
- **Biggest round:** $15M Series A · Jan 2019
- **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.

2019 2020 2021 2022 2023 2024 2025

**$15M** Series A

**?** Venture

- **First round:** Series A, $15M
- **Biggest round:** $15M
- **Between rounds:** 6.7 years

## The rounds

- **Sept 2025** Venture **Amount undisclosed** *1 new* [National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health) Source recorded
- **Jan 2019** Series A **$15M** *1 new* Shionogi & Co Reported by Wraltechwire

## 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.

**Series A** 2019 **Venture** 2025 [National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health) Shionogi & Co

## Everyone who backed them

[National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health) Government **1** round

Shionogi & Co no record of our own yet **1** round

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

## Quick answers about Vast Therapeutics

### Who invested in Vast Therapeutics?

Vast Therapeutics's investors include National Institutes of Health and Shionogi & Co.

### How much has Vast Therapeutics raised?

Vast Therapeutics has raised $15M across 2 rounds since 2019. One round did not disclose an amount, so the total is a floor.

### When did Vast Therapeutics last raise?

Vast Therapeutics's most recent round was a Venture in Sept 2025.

### What was Vast Therapeutics's biggest round?

Vast Therapeutics's largest round on record is $15M (Series A), in Jan 2019.

### Who backed Vast Therapeutics first?

Vast Therapeutics's first round on record, in Jan 2019, was backed by Shionogi & Co.

### What stage is Vast Therapeutics at?

Vast Therapeutics's latest named round is a Venture, in Sept 2025.

### Where is Vast Therapeutics based?

Vast Therapeutics is based in the United States.

## Companies like Vast 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)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)

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