# Oak funding: rounds and investors

> Oak has raised $60M across 1 round since 2026. Investors include Accel, Greylock and CRV. Every round with its source.

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

[Seed startup](https://millionrounds.com/companies)

# Who invested in *Oak*

One round we have observed, with the 5 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.

AI Cybersecurity

Raised 3 months ago

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Funding summary Updated 5 Nov 2026

**$60M** raised across 1 round since 2026, from 3 sources

- **Latest round:** Seed, $60M Jul 2026
- **Led by:** Accel and Greylock and 1 more
- **Investors:** 5 (3 led)

See who backed them

## The rounds

- **Jul 2026** Seed **$60M** [Accel](https://millionrounds.com/fund/accel) Lead [Greylock](https://millionrounds.com/fund/greylock-partners) Lead [CRV](https://millionrounds.com/fund/crv) Lead AlphaDrive Ventures Hetz Ventures Reported by Crunchbase News and 2 others

## Everyone who backed them

[Accel](https://millionrounds.com/fund/accel) VC firm **1** round, led 1

[Greylock](https://millionrounds.com/fund/greylock-partners) VC firm **1** round, led 1

[CRV](https://millionrounds.com/fund/crv) VC firm **1** round, led 1

AlphaDrive Ventures no record of our own yet **1** round

Hetz Ventures 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=oak).

## Quick answers about Oak

### Who invested in Oak?

Oak's investors include Accel, Greylock, CRV, AlphaDrive Ventures and Hetz Ventures. Accel led its latest round.

### How much has Oak raised?

Oak has raised $60M across 1 round since 2026.

### When did Oak last raise?

Oak's most recent round was a Seed of $60M in Jul 2026, led by Accel.

### What was Oak's biggest round?

Its most recent round, $60M in Jul 2026, is also its largest on record.

### Who backed Oak first?

Oak's first round on record, in Jul 2026, was backed by Accel, Greylock and CRV and 2 others.

### What stage is Oak at?

Oak's latest named round is a Seed, in Jul 2026.

### Who led Oak's rounds?

Accel led the Seed in 2026.

## Companies like Oak

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

[**Nirva** $25M · Oct 2026](https://millionrounds.com/company/nirva)[**Lovi** $15M · Oct 2026](https://millionrounds.com/company/lovi)[**Palma.ai** $1.8M · Sept 2026](https://millionrounds.com/company/palma-ai)[**Hang Ten Systems** $53M · Sept 2026](https://millionrounds.com/company/hang-ten-systems)[**OriginalVoices** $1.3M · Sept 2026](https://millionrounds.com/company/originalvoices)[**Positron AI** $875M · Sept 2026](https://millionrounds.com/company/positron-ai)

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