# Arthrosi Therapeutics funding: rounds and investors

> Arthrosi Therapeutics has raised $153M across 1 round since 2025. Investors include Highlight Capital. Every round with its source.

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

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

# Who invested in *Arthrosi 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

**$153M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series E, $153M Jun 2025
- **Investors:** 1

See who backed them

## The rounds

- **Jun 2025** Series E **$153M** [Highlight Capital](https://millionrounds.com/fund/highlight-capital) Source recorded SEC filing: $61M sold, first sale Jun 2025

## Everyone who backed them

[Highlight Capital](https://millionrounds.com/fund/highlight-capital) VC firm **1** round

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

## Also claim to have backed them

This firm lists Arthrosi Therapeutics as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[HM Venture Partners](https://millionrounds.com/fund/hm-venture-partners) VC firm Per its own site

## Quick answers about Arthrosi Therapeutics

### Who invested in Arthrosi Therapeutics?

Arthrosi Therapeutics's investors include Highlight Capital.

### How much has Arthrosi Therapeutics raised?

Arthrosi Therapeutics has raised $153M across 1 round since 2025.

### When did Arthrosi Therapeutics last raise?

Arthrosi Therapeutics's most recent round was a Series E of $153M in Jun 2025.

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

Its most recent round, $153M in Jun 2025, is also its largest on record.

### Who backed Arthrosi Therapeutics first?

Arthrosi Therapeutics's first round on record, in Jun 2025, was backed by Highlight Capital.

### What stage is Arthrosi Therapeutics at?

Arthrosi Therapeutics's latest named round is a Series E, in Jun 2025.

### Where is Arthrosi Therapeutics based?

Arthrosi Therapeutics is based in the United States.

## Companies like Arthrosi 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)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app