# Sonoma Biotherapeutics funding: rounds and investors

> Sonoma Biotherapeutics has raised $300K across 1 round since 2025. Investors include 8VC, Fidelity and ARCH Venture Partners. Every round with its source.

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

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

# Who invested in *Sonoma Biotherapeutics*

One round we have observed, with the 5 investors 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

Raised 12 months ago

Funding summary Updated 26 Oct 2026

**$300K** raised across 1 round since 2025, from 1 source

- **Latest round:** Grant, $300K Nov 2025
- **Investors:** 5

See who backed them

## The rounds

- **Nov 2025** Grant **$300K** [8VC](https://millionrounds.com/fund/8vc) [Fidelity](https://millionrounds.com/fund/fidelity) [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) [Lilly Asia Ventures](https://millionrounds.com/fund/lilly-asia-ventures) Source recorded

## Founders and team

From the SEC filings it signed: 1 on the team.

- **Jeffrey Bluestone** Executive Officer, Director, Promoter i

On the board, as filed i *Fan Yu* *Maggie Wilderotter* *Richard Klausner* *Terry Rosen* *Toni Hoover*

## Everyone who backed them

[8VC](https://millionrounds.com/fund/8vc) VC firm **1** round

[Fidelity](https://millionrounds.com/fund/fidelity) VC firm **1** round

[ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) VC firm **1** round

[Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) Private equity **1** round

[Lilly Asia Ventures](https://millionrounds.com/fund/lilly-asia-ventures) VC firm **1** round

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

## Quick answers about Sonoma Biotherapeutics

### Who invested in Sonoma Biotherapeutics?

Sonoma Biotherapeutics's investors include 8VC, Fidelity, ARCH Venture Partners, Janus Henderson Investors and Lilly Asia Ventures.

### How much has Sonoma Biotherapeutics raised?

Sonoma Biotherapeutics has raised $300K across 1 round since 2025.

### When did Sonoma Biotherapeutics last raise?

Sonoma Biotherapeutics's most recent round was a Grant of $300K in Nov 2025.

### What was Sonoma Biotherapeutics's biggest round?

Its most recent round, $300K in Nov 2025, is also its largest on record.

### Who backed Sonoma Biotherapeutics first?

Sonoma Biotherapeutics's first round on record, in Nov 2025, was backed by 8VC, Fidelity and ARCH Venture Partners and 2 others.

### What stage is Sonoma Biotherapeutics at?

Sonoma Biotherapeutics's latest named round is a Grant, in Nov 2025.

### Where is Sonoma Biotherapeutics based?

Sonoma Biotherapeutics is based in the United States.

## Companies like Sonoma Biotherapeutics

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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