# SonoThera funding: rounds and investors

> SonoThera has raised $125M across 1 round since 2026. Investors include ARCH Venture Partners, Perceptive Advisors and Venrock. Every round with its source.

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

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

# Who invested in *SonoThera*

One round we have observed, with the 11 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 Genomics Healthcare

Raised 5 months ago

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Funding summary Updated 5 Nov 2026

**$125M** raised across 1 round since 2026, from 2 sources

- **Latest round:** Series B, $125M Jun 2026
- **Led by:** ARCH Venture Partners and Perceptive Advisors
- **Investors:** 11 (2 led)

See who backed them

## The rounds

- **Jun 2026** Series B **$125M** [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) Lead [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) Lead [Venrock](https://millionrounds.com/fund/venrock) [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [F-Prime Capital](https://millionrounds.com/fund/f-prime) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) [Eli Lilly](https://millionrounds.com/fund/eli-lilly) [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) [Illumina Ventures](https://millionrounds.com/fund/illumina-ventures) [Johnson & Johnson Innovation](https://millionrounds.com/fund/johnson-and-johnson-innovation) [Bristol Myers Squibb](https://millionrounds.com/fund/bristol-myers-squibb) Reported by Ventureburn and 1 other SEC filing: $125M sold

## Funding filed with regulators

SonoThera filed 2 raises, $156M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Jun 2026 **$125M** 22 investors SEC Form D
- Apr 2022 **$30M** 12 investors equity of $61M offered SEC Form D

## Founders and team

From SonoThera's own website: 5 on the team.

- **Carolyne Zimmermann** Chief Business Officer
- **Nancy Jorgesen** Chief Development Officer
- **Dustin Luettgen** & Head of Legal and IP
- **John McKeon** VP of Finance & Controller
- **Marco Crosariol** VP, Head of Operations

## Everyone who backed them

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

[Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) Asset manager **1** round, led 1

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

[RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **1** round

[F-Prime Capital](https://millionrounds.com/fund/f-prime) VC firm **1** round

[Vivo Capital](https://millionrounds.com/fund/vivo-capital) Private equity **1** round

[Eli Lilly](https://millionrounds.com/fund/eli-lilly) Corporate VC **1** round

[Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) VC firm **1** round

[Illumina Ventures](https://millionrounds.com/fund/illumina-ventures) VC firm **1** round

[Johnson & Johnson Innovation](https://millionrounds.com/fund/johnson-and-johnson-innovation) Growth equity **1** round

[Bristol Myers Squibb](https://millionrounds.com/fund/bristol-myers-squibb) VC firm **1** round

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

## Also claim to have backed them

These 2 firms list SonoThera as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Foothill Ventures](https://millionrounds.com/fund/foothill-ventures) VC firm Per its own site

[Medical Excellence Capital, LLC](https://millionrounds.com/fund/medical-excellence-capital-llc) VC firm Per its own site

## Quick answers about SonoThera

### Who invested in SonoThera?

SonoThera's investors include ARCH Venture Partners, Perceptive Advisors, Venrock, RA Capital Management and F-Prime Capital, and 6 more on record. ARCH Venture Partners led its latest round.

### How much has SonoThera raised?

SonoThera has raised $125M across 1 round since 2026.

### When did SonoThera last raise?

SonoThera's most recent round was a Series B of $125M in Jun 2026, led by ARCH Venture Partners.

### What was SonoThera's biggest round?

Its most recent round, $125M in Jun 2026, is also its largest on record.

### Who backed SonoThera first?

SonoThera's first round on record, in Jun 2026, was backed by ARCH Venture Partners, Perceptive Advisors and Venrock and 8 others.

### What stage is SonoThera at?

SonoThera's latest named round is a Series B, in Jun 2026.

### Where is SonoThera based?

SonoThera is based in the United States.

### Who led SonoThera's rounds?

ARCH Venture Partners led the Series B in 2026.

## Companies like SonoThera

In the same sector, and raised in the last eighteen months.

[**Fal** $1.4B · Nov 2026](https://millionrounds.com/company/fal)[**Omni** $244M · Nov 2026](https://millionrounds.com/company/omni)[**GPN Vaccines** $10B · Nov 2026](https://millionrounds.com/company/gpn-vaccines)[**General Medicine** $152M · Nov 2026](https://millionrounds.com/company/general-medicine)[**Midstream Health** $27M · Oct 2026](https://millionrounds.com/company/midstream-health)[**Verisma** Oct 2026](https://millionrounds.com/company/verisma)

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