# Avidity Biosciences funding: rounds and investors

> Avidity Biosciences has raised $790M across 2 rounds since 2019. Investors include Perceptive Advisors, Cormorant Asset Management and RA Capital Management.

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

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

# Who invested in *Avidity Biosciences*

2 rounds we have observed, with the 9 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

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Funding summary Updated 27 Oct 2026

**$790M** raised across 2 rounds since 2019, from 2 sources

**$100M** Series C **$690M** Round

- **Latest round:** Round, $690M Sept 2025
- **Step-up i:** 6.9×
- **Investors:** 9

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.

2020 2021 2022 2023 2024 2025

**$100M** Series C

**$690M** Round

- **First round:** Series C, $100M
- **Biggest round:** $690M
- **Between rounds:** 5.8 years

## The rounds

- **Sept 2025** Round **$690M** *4 new* *2 returning* [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Wellington Management](https://millionrounds.com/fund/wellington-management) [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) [Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) [Eli Lilly](https://millionrounds.com/fund/eli-lilly) Source recorded
- **Nov 2019** Series C **$100M** *5 new* [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) [Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) [Logos Capital](https://millionrounds.com/fund/logos-capital) [CureDuchenne](https://millionrounds.com/fund/cureduchenne) ST Pharm Reported by Idigitalhealth SEC filing: $101M sold, first sale Nov 2019

## Founders and team

From the SEC filings it signed: 5 on the team.

- **Arthur Levin** Executive Officer i
- **Michael Michael MacLean** Executive Officer i
- **Sarah Boyce** Executive Officer, Director i
- **Teresa Michael McCarthy** Executive Officer i
- **W. Michael Flanagan** Executive Officer i

On the board, as filed i *Carsten Michael Boess* *Edward Michael Kaye* *Jean Michael Kim* *Noreen Michael Henig* *Tamar Michael Thompson* *Troy Michael Wilson*

## 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 C** 2019 **Round** 2025 [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) [Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Wellington Management](https://millionrounds.com/fund/wellington-management) [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) [Eli Lilly](https://millionrounds.com/fund/eli-lilly) [Logos Capital](https://millionrounds.com/fund/logos-capital) [CureDuchenne](https://millionrounds.com/fund/cureduchenne) ST Pharm

## Everyone who backed them

[Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) Asset manager **2** rounds

[Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) Private equity **2** rounds

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

[Wellington Management](https://millionrounds.com/fund/wellington-management) VC firm **1** round

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

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

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

[CureDuchenne](https://millionrounds.com/fund/cureduchenne) Growth equity **1** round

ST Pharm 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=avidity-biosciences).

## Also claim to have backed them

These 2 firms list Avidity Biosciences 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.

[Avoro Capital Advi...](https://millionrounds.com/fund/avoro-capital-advi) Private equity Per its own site

[Brace Pharma](https://millionrounds.com/fund/brace-pharma-capital) VC firm Per its own site

## Quick answers about Avidity Biosciences

### Who invested in Avidity Biosciences?

Avidity Biosciences's investors include Perceptive Advisors, Cormorant Asset Management, RA Capital Management, Wellington Management and Janus Henderson Investors, and 4 more on record.

### How much has Avidity Biosciences raised?

Avidity Biosciences has raised $790M across 2 rounds since 2019.

### When did Avidity Biosciences last raise?

Avidity Biosciences's most recent round was an Undisclosed round of $690M in Sept 2025.

### What was Avidity Biosciences's biggest round?

Its most recent round, $690M in Sept 2025, is also its largest on record.

### Who backed Avidity Biosciences first?

Avidity Biosciences's first round on record, in Nov 2019, was backed by Perceptive Advisors, Cormorant Asset Management and Logos Capital and 2 others.

### What stage is Avidity Biosciences at?

Avidity Biosciences's latest named round is an Undisclosed round, in Sept 2025.

### Where is Avidity Biosciences based?

Avidity Biosciences is based in the United States.

## Companies like Avidity Biosciences

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**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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