# Imbria Pharmaceuticals funding: rounds and investors

> Imbria Pharmaceuticals has raised $59M across 2 rounds since 2025. Investors include RA Capital Management, Catalio Capital Management and SV Health Investors.

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

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

# Who invested in *Imbria Pharmaceuticals*

2 rounds we have observed, with the 4 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 12 months ago

Funding summary Updated 26 Oct 2026

**$59M** raised across 2 rounds since 2025, from 2 sources

- **Latest round:** Venture Nov 2025
- **Biggest round:** $59M Series B · Apr 2025
- **Investors:** 4

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.

2026

**$59M** Series B

**?** Venture

- **First round:** Series B, $59M
- **Biggest round:** $59M
- **Between rounds:** 7 months

## The rounds

- **Nov 2025** Venture **Amount undisclosed** *1 new* *3 returning* [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Catalio Capital Management](https://millionrounds.com/fund/catalio-capital-management) [Sanofi](https://millionrounds.com/fund/sanofi) [SV Health Investors](https://millionrounds.com/fund/sv-health-investors) Source recorded SEC filing: $67M sold, first sale Mar 2025
- **Apr 2025** Series B **$59M** *3 new* [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Catalio Capital Management](https://millionrounds.com/fund/catalio-capital-management) [SV Health Investors](https://millionrounds.com/fund/sv-health-investors) Source recorded SEC filing: $59M sold, first sale Mar 2025

## Founders and team

From Imbria Pharmaceuticals's own website: 6 on the team.

- **Alvin Shih** Chief Executive Officer and Board Member
- **Albert Kim** Chief Medical Officer
- **Arash Yavari** Chief Scientific Officer
- **Komal Joshi** Chief Financial Officer
- **Sophie Kim** Clinical Trial Manager
- **Vanessa Murray** Senior Director, Clinical Operations

## 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 B** 2025 **Venture** 2025 [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Catalio Capital Management](https://millionrounds.com/fund/catalio-capital-management) [SV Health Investors](https://millionrounds.com/fund/sv-health-investors) [Sanofi](https://millionrounds.com/fund/sanofi)

## Everyone who backed them

[RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **2** rounds

[Catalio Capital Management](https://millionrounds.com/fund/catalio-capital-management) VC firm **2** rounds

[SV Health Investors](https://millionrounds.com/fund/sv-health-investors) VC firm **2** rounds

[Sanofi](https://millionrounds.com/fund/sanofi) Investment firm **1** round

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

## Quick answers about Imbria Pharmaceuticals

### Who invested in Imbria Pharmaceuticals?

Imbria Pharmaceuticals's investors include RA Capital Management, Catalio Capital Management, SV Health Investors and Sanofi.

### How much has Imbria Pharmaceuticals raised?

Imbria Pharmaceuticals has raised $59M across 2 rounds since 2025. One round did not disclose an amount, so the total is a floor.

### When did Imbria Pharmaceuticals last raise?

Imbria Pharmaceuticals's most recent round was a Venture in Nov 2025.

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

Imbria Pharmaceuticals's largest round on record is $59M (Series B), in Apr 2025.

### Who backed Imbria Pharmaceuticals first?

Imbria Pharmaceuticals's first round on record, in Apr 2025, was backed by RA Capital Management, Catalio Capital Management and SV Health Investors.

### What stage is Imbria Pharmaceuticals at?

Imbria Pharmaceuticals's latest named round is a Venture, in Nov 2025.

### Where is Imbria Pharmaceuticals based?

Imbria Pharmaceuticals is based in the United States.

## Companies like Imbria 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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