# Cybrary funding: rounds and investors

> Cybrary has raised $25M across 5 rounds since 2015. Investors include Arthur Ventures, New Stack Ventures and BuildGroup. Every round with its source.

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

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

# Who invested in *Cybrary*

5 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.

Cybersecurity

Raised 12 months ago

Funding summary Updated 26 Oct 2026

**$25M** raised across 5 rounds since 2015, from 5 sources

**$400K** Seed **$1.3M** Seed **$3.5M** Series A **$15M** Series B **$4.5M** Venture

- **Latest round:** Venture, $4.5M Nov 2025
- **Biggest round:** $15M Series B · Nov 2019
- **Investors:** 8 (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.

2015 2017 2019 2021 2023 2025

**$400K** Seed

**$1.3M** Seed

**$3.5M** Series A

**$15M** Series B

**$4.5M** Venture

- **First round:** Seed, $400K
- **Biggest round:** $15M
- **Usual gap between rounds:** 2.2 years

## The rounds

- **Nov 2025** Venture **$4.5M** *1 new* *2 returning* [Blu Ventures](https://millionrounds.com/fund/blu-ventures) [Arthur Ventures](https://millionrounds.com/fund/arthur-ventures) [New Stack Ventures](https://millionrounds.com/fund/new-stack-ventures) Source recorded SEC filing: $4.5M sold, first sale Aug 2025
- **Nov 2019** Series B **$15M** *2 new* *1 returning* [BuildGroup](https://millionrounds.com/fund/buildgroup) Lead [Arthur Ventures](https://millionrounds.com/fund/arthur-ventures) [Gula Tech Adventures](https://millionrounds.com/fund/gula-tech-adventures) Reported by Siliconangle SEC filing: $10M sold, first sale Nov 2019
- **Sept 2017** Series A **$3.5M** *1 new* Arthur Ventures/ Ron Gula Reported by FinSMEs SEC filing: $3.5M sold, first sale Sept 2017
- **Aug 2016** Seed **$1.3M** *2 new* [Arthur Ventures](https://millionrounds.com/fund/arthur-ventures) Ron Gula Reported by FinSMEs SEC filing: $1.3M sold, first sale Aug 2016
- **Aug 2015** Seed **$400K** *2 new* [New Stack Ventures](https://millionrounds.com/fund/new-stack-ventures) [Inner Loop Capital](https://millionrounds.com/fund/inner-loop-capital) From a historical funding record SEC filing: $311K sold, first sale Aug 2015

## 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.

**Seed** 2015 **Seed** 2016 **Series A** 2017 **Series B** 2019 **Venture** 2025 [Arthur Ventures](https://millionrounds.com/fund/arthur-ventures) [New Stack Ventures](https://millionrounds.com/fund/new-stack-ventures) [BuildGroup](https://millionrounds.com/fund/buildgroup) L [Blu Ventures](https://millionrounds.com/fund/blu-ventures) [Gula Tech Adventures](https://millionrounds.com/fund/gula-tech-adventures) [Inner Loop Capital](https://millionrounds.com/fund/inner-loop-capital) Arthur Ventures/ Ron Gula Ron Gula

## Everyone who backed them

[Arthur Ventures](https://millionrounds.com/fund/arthur-ventures) VC firm **3** rounds

[New Stack Ventures](https://millionrounds.com/fund/new-stack-ventures) VC firm **2** rounds

[BuildGroup](https://millionrounds.com/fund/buildgroup) Private equity **1** round, led 1

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

[Gula Tech Adventures](https://millionrounds.com/fund/gula-tech-adventures) VC firm **1** round

[Inner Loop Capital](https://millionrounds.com/fund/inner-loop-capital) VC firm **1** round

Arthur Ventures/ Ron Gula no record of our own yet **1** round

Ron Gula 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=cybrary).

## Also claim to have backed them

This firm lists Cybrary as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[StoneMill Ventures](https://millionrounds.com/fund/stonemill-ventures) VC firm Per its own site

## Quick answers about Cybrary

### Who invested in Cybrary?

Cybrary's investors include Arthur Ventures, New Stack Ventures, BuildGroup, Blu Ventures and Gula Tech Adventures, and 3 more on record.

### How much has Cybrary raised?

Cybrary has raised $25M across 5 rounds since 2015.

### When did Cybrary last raise?

Cybrary's most recent round was a Venture of $4.5M in Nov 2025.

### What was Cybrary's biggest round?

Cybrary's largest round on record is $15M (Series B), in Nov 2019, led by BuildGroup.

### Who backed Cybrary first?

Cybrary's first round on record, in Aug 2015, was backed by New Stack Ventures and Inner Loop Capital.

### What stage is Cybrary at?

Cybrary's latest named round is a Venture, in Nov 2025.

### Where is Cybrary based?

Cybrary is based in the United States.

### Who led Cybrary's rounds?

BuildGroup led the Series B in 2019.

## Companies like Cybrary

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

[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Opsin** $21M · Oct 2026](https://millionrounds.com/company/opsin)[**Harmonic Security** $68M · Oct 2026](https://millionrounds.com/company/harmonic-security)[**Reach Security** $60M · Oct 2026](https://millionrounds.com/company/reach-security)[**Persona** $210M · Oct 2026](https://millionrounds.com/company/persona)[**Hilt** $4.7M · Oct 2026](https://millionrounds.com/company/hilt)

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