# Avidity funding: rounds and investors

> Avidity has raised $32M across 2 rounds since 2017. Investors include F-Prime Capital, EcoR1 Capital and Tavistock Life Sciences. Every round with its source.

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

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

# Who invested in *Avidity*

2 rounds we have observed, with the 8 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

Funding summary Updated 26 Oct 2026

**$32M** raised across 2 rounds since 2017, from 2 sources

**$16M** Series B **$16M** Series B

- **Latest round:** Series B, $16M Oct 2018
- **Investors:** 8

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.

2017 2018

**$16M** Series B

**$16M** Series B

- **First round:** Series B, $16M
- **Biggest round:** $16M
- **Between rounds:** 21 months

## The rounds

- **Oct 2018** Series B **$16M** *7 new* [F-Prime Capital](https://millionrounds.com/fund/f-prime) [EcoR1 Capital](https://millionrounds.com/fund/ecor1-capital) [Tavistock Life Sciences](https://millionrounds.com/fund/tavistock-life-sciences) [Alexandria Real Estate](https://millionrounds.com/fund/alexandria-real-estate) Brace Moore Takeda Pharmaceuticals/ Alethea Reported by Aviditybiosciences
- **Jan 2017** Series B **$16M** *1 new* Takeda Pharmaceuticals Reported by FinSMEs

## 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** 2017 **Series B** 2018 [F-Prime Capital](https://millionrounds.com/fund/f-prime) [EcoR1 Capital](https://millionrounds.com/fund/ecor1-capital) [Tavistock Life Sciences](https://millionrounds.com/fund/tavistock-life-sciences) [Alexandria Real Estate](https://millionrounds.com/fund/alexandria-real-estate) Brace Moore Takeda Pharmaceuticals Takeda Pharmaceuticals/ Alethea

## Everyone who backed them

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

[EcoR1 Capital](https://millionrounds.com/fund/ecor1-capital) Private equity **1** round

[Tavistock Life Sciences](https://millionrounds.com/fund/tavistock-life-sciences) Family office **1** round

[Alexandria Real Estate](https://millionrounds.com/fund/alexandria-real-estate) Growth equity **1** round

Brace no record of our own yet **1** round

Moore no record of our own yet **1** round

Takeda Pharmaceuticals no record of our own yet **1** round

Takeda Pharmaceuticals/ Alethea 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).

## Quick answers about Avidity

### Who invested in Avidity?

Avidity's investors include F-Prime Capital, EcoR1 Capital, Tavistock Life Sciences, Alexandria Real Estate and Brace, and 3 more on record.

### How much has Avidity raised?

Avidity has raised $32M across 2 rounds since 2017.

### When did Avidity last raise?

Avidity's most recent round was a Series B of $16M in Oct 2018.

### What was Avidity's biggest round?

Its most recent round, $16M in Oct 2018, is also its largest on record.

### Who backed Avidity first?

Avidity's first round on record, in Jan 2017, was backed by Takeda Pharmaceuticals.

### What stage is Avidity at?

Avidity's latest named round is a Series B, in Oct 2018.

### Where is Avidity based?

Avidity is based in the United States.

## Companies like Avidity

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)[**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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