# RunSybil funding: rounds and investors

> RunSybil has raised $40M across 1 round since 2026. Investors include Khosla Ventures, Menlo Ventures and Elad Gil. Every round with its source.

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

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

# Who invested in *RunSybil*

One round we have observed, with the 7 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 8 months ago

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Funding summary Updated 5 Nov 2026

**$40M** raised across 1 round since 2026, from 1 source

- **Latest round:** Seed, $40M Mar 2026
- **Led by:** Khosla Ventures
- **Investors:** 7 (1 led)

See who backed them

## The rounds

- **Mar 2026** Seed **$40M** [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) Lead [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) [Elad Gil](https://millionrounds.com/fund/elad-gil) [S32](https://millionrounds.com/fund/s32) [Jeff Dean](https://millionrounds.com/fund/jeff-dean) [Conviction](https://millionrounds.com/fund/conviction-4) [Anthropic's Anthology Fund](https://millionrounds.com/fund/anthropic-s-anthology-fund) Reported by TechStartups SEC filing: $30M sold

## Funding filed with regulators

RunSybil filed one raise, $30M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Apr 2026 **$30M** 5 investors of $30M offered SEC Form D

## Founders and team

From RunSybil's own website: 3 on the team.

- **Ari Herbert-Voss** CEO/Cofounder
- **Vlad Ionescu** CTO/Cofounder
- **Austin Zheutlin** Head of Operations

## Everyone who backed them

[Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) VC firm **1** round, led 1

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

[Elad Gil](https://millionrounds.com/fund/elad-gil) VC firm **1** round

[S32](https://millionrounds.com/fund/s32) VC firm **1** round

[Jeff Dean](https://millionrounds.com/fund/jeff-dean) Angel **1** round

[Conviction](https://millionrounds.com/fund/conviction-4) VC firm **1** round

[Anthropic's Anthology Fund](https://millionrounds.com/fund/anthropic-s-anthology-fund) VC firm **1** round

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

## Also claim to have backed them

These 2 firms list RunSybil 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.

[Qudit](https://millionrounds.com/fund/qudit) VC firm Per its own site

[Qudit Investments](https://millionrounds.com/fund/qudit-investments) VC firm Per its own site

## Quick answers about RunSybil

### Who invested in RunSybil?

RunSybil's investors include Khosla Ventures, Menlo Ventures, Elad Gil, S32 and Jeff Dean, and 2 more on record. Khosla Ventures led its latest round.

### How much has RunSybil raised?

RunSybil has raised $40M across 1 round since 2026.

### When did RunSybil last raise?

RunSybil's most recent round was a Seed of $40M in Mar 2026, led by Khosla Ventures.

### What was RunSybil's biggest round?

Its most recent round, $40M in Mar 2026, is also its largest on record.

### Who backed RunSybil first?

RunSybil's first round on record, in Mar 2026, was backed by Khosla Ventures, Menlo Ventures and Elad Gil and 4 others.

### What stage is RunSybil at?

RunSybil's latest named round is a Seed, in Mar 2026.

### Where is RunSybil based?

RunSybil is based in the United States.

### Who led RunSybil's rounds?

Khosla Ventures led the Seed in 2026.

## Companies like RunSybil

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

[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**e2e** $8.0M · Nov 2026](https://millionrounds.com/company/e2e)[**Guava** $13M · Nov 2026](https://millionrounds.com/company/guava)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)

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