# Octave funding: rounds and investors

> Octave has raised $65M across 6 rounds since 2019. Investors include Greycroft, Deerfield and Obvious Ventures. Every round with its source.

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

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

# Who invested in *Octave*

6 rounds we have observed, with the 16 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.

AI Biotech Generative AI Healthcare

Raised 2 months ago

Funding summary Updated 26 Oct 2026

**$65M** raised across 6 rounds since 2019, from 6 sources

**$11M** Series A **$5.0M** Venture **$32M** Series C **$5.5M** Seed **$12M** Series A

- **Latest round:** Series A, $12M Sept 2026
- **Biggest round:** $32M Series C · Mar 2025
- **Step-up i:** 2.1×
- **Investors:** 16 (1 led)

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 2026

**$11M** Series A

**$5.0M** Venture

**$32M** Series C

**$5.5M** Seed

**$12M** Series A

- **First round:** Series A, $11M
- **Biggest round:** $32M
- **Usual gap between rounds:** 11 months

## The rounds

- **Sept 2026** Series A **$12M** *2 new* [EIC Accelerator](https://millionrounds.com/fund/eic-accelerator) [BNP Paribas](https://millionrounds.com/fund/bnp-paribas) Source recorded
- **Oct 2025** Venture **Amount undisclosed** *1 new* *3 returning* [Deerfield](https://millionrounds.com/fund/deerfield) [Casdin Capital](https://millionrounds.com/fund/casdin-capital) [Novartis](https://millionrounds.com/fund/novartis) [S32](https://millionrounds.com/fund/s32) Source recorded
- **May 2025** Seed **$5.5M** *4 new* [Craft Ventures](https://millionrounds.com/fund/craft-ventures) [Bonfire Ventures](https://millionrounds.com/fund/bonfire-ventures) [Unusual Ventures](https://millionrounds.com/fund/unusual-ventures) [Bee Partners](https://millionrounds.com/fund/bee-partners) Source recorded
- **Mar 2025** Series C **$32M** *3 new* [Deerfield](https://millionrounds.com/fund/deerfield) [Novartis](https://millionrounds.com/fund/novartis) [S32](https://millionrounds.com/fund/s32) Source recorded
- **Feb 2024** Venture **$5.0M** *4 new* *2 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Greycroft](https://millionrounds.com/fund/greycroft) [Felicis](https://millionrounds.com/fund/felicis-ventures) [Novo Holdings](https://millionrounds.com/fund/novo-ventures) [Obvious Ventures](https://millionrounds.com/fund/obvious-ventures) [Company Ventures](https://millionrounds.com/fund/ag-ventures) Source recorded SEC filing: $5.0M sold, first sale Feb 2024
- **Oct 2019** Series A **$11M** *2 new* [Greycroft](https://millionrounds.com/fund/greycroft) Lead [Obvious Ventures](https://millionrounds.com/fund/obvious-ventures) 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 A** 2019 **Venture** 2024 **Series C** 2025 **Seed** 2025 **Venture** 2025 **Series A** 2026 [Greycroft](https://millionrounds.com/fund/greycroft) L [Deerfield](https://millionrounds.com/fund/deerfield) [Obvious Ventures](https://millionrounds.com/fund/obvious-ventures) [Novartis](https://millionrounds.com/fund/novartis) [S32](https://millionrounds.com/fund/s32) [Y Combinator](https://millionrounds.com/fund/y-combinator) [EIC Accelerator](https://millionrounds.com/fund/eic-accelerator) [Felicis](https://millionrounds.com/fund/felicis-ventures) [Craft Ventures](https://millionrounds.com/fund/craft-ventures) [BNP Paribas](https://millionrounds.com/fund/bnp-paribas)

## Everyone who backed them

[Greycroft](https://millionrounds.com/fund/greycroft) VC firm **2** rounds, led 1

[Deerfield](https://millionrounds.com/fund/deerfield) VC firm **2** rounds

[Obvious Ventures](https://millionrounds.com/fund/obvious-ventures) Accelerator **2** rounds

[Novartis](https://millionrounds.com/fund/novartis) VC firm **2** rounds

[S32](https://millionrounds.com/fund/s32) VC firm **2** rounds

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[EIC Accelerator](https://millionrounds.com/fund/eic-accelerator) Government **1** round

[Felicis](https://millionrounds.com/fund/felicis-ventures) VC firm **1** round

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

[BNP Paribas](https://millionrounds.com/fund/bnp-paribas) VC firm **1** round

[Novo Holdings](https://millionrounds.com/fund/novo-ventures) VC firm **1** round

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

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

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

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

[Bee Partners](https://millionrounds.com/fund/bee-partners) VC firm **1** round

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

## Quick answers about Octave

### Who invested in Octave?

Octave's investors include Greycroft, Deerfield, Obvious Ventures, Novartis and S32, and 11 more on record.

### How much has Octave raised?

Octave has raised $65M across 6 rounds since 2019. One round did not disclose an amount, so the total is a floor.

### When did Octave last raise?

Octave's most recent round was a Series A of $12M in Sept 2026.

### What was Octave's biggest round?

Octave's largest round on record is $32M (Series C), in Mar 2025.

### Who backed Octave first?

Octave's first round on record, in Oct 2019, was backed by Greycroft and Obvious Ventures.

### What stage is Octave at?

Octave's latest named round is a Series A, in Sept 2026.

### Where is Octave based?

Octave is based in the United States.

### Who led Octave's rounds?

Greycroft led the Series A in 2019.

## Companies like Octave

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