# Attenua funding: rounds and investors

> Attenua has raised $35M across 1 round since 2018. Investors include OrbiMed, Redmile Group and Omega Funds/ Abingworth. Every round with its source.

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

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

# Who invested in *Attenua*

One round we have observed, with the 3 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 Healthcare

Funding summary Updated 26 Oct 2026

**$35M** raised across 1 round since 2018, from 1 source

- **Latest round:** Series A, $35M Apr 2018
- **Investors:** 3

See who backed them

## The rounds

- **Apr 2018** Series A **$35M** [OrbiMed](https://millionrounds.com/fund/orbimed) [Redmile Group](https://millionrounds.com/fund/redmile-group) Omega Funds/ Abingworth Reported by FinSMEs SEC filing: $15M sold, first sale Apr 2018

## Founders and team

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

- **Michael Kitt** Executive Officer, Director i

On the board, as filed i *Dina Chaya Moghrabi* *Hugh Rienhoff* *Jing Liang* *Kurt von Emster* *Rishi Gupta*

## Everyone who backed them

[OrbiMed](https://millionrounds.com/fund/orbimed) Private equity **1** round

[Redmile Group](https://millionrounds.com/fund/redmile-group) VC firm **1** round

Omega Funds/ Abingworth 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=attenua).

## Quick answers about Attenua

### Who invested in Attenua?

Attenua's investors include OrbiMed, Redmile Group and Omega Funds/ Abingworth.

### How much has Attenua raised?

Attenua has raised $35M across 1 round since 2018.

### When did Attenua last raise?

Attenua's most recent round was a Series A of $35M in Apr 2018.

### What was Attenua's biggest round?

Its most recent round, $35M in Apr 2018, is also its largest on record.

### Who backed Attenua first?

Attenua's first round on record, in Apr 2018, was backed by OrbiMed, Redmile Group and Omega Funds/ Abingworth.

### What stage is Attenua at?

Attenua's latest named round is a Series A, in Apr 2018.

### Where is Attenua based?

Attenua is based in the United States.

## Companies like Attenua

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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