# Theat Stack funding: rounds and investors

> Theat Stack has raised $45M across 1 round since 2017. Investors include F-Prime Capital, Accomplice and Eight Roads Ventures/ Scale.

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

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

# Who invested in *Theat Stack*

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.

Cybersecurity

Funding summary Updated 26 Oct 2026

**$45M** raised across 1 round since 2017, from 1 source

- **Latest round:** Series C, $45M Sept 2017
- **Investors:** 3

See who backed them

## The rounds

- **Sept 2017** Series C **$45M** [F-Prime Capital](https://millionrounds.com/fund/f-prime) [Accomplice](https://millionrounds.com/fund/accomplice) Eight Roads Ventures/ Scale Reported by FinSMEs

## Everyone who backed them

[F-Prime Capital](https://millionrounds.com/fund/f-prime) VC firm **1** round

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

Eight Roads Ventures/ Scale 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=theat-stack).

## Quick answers about Theat Stack

### Who invested in Theat Stack?

Theat Stack's investors include F-Prime Capital, Accomplice and Eight Roads Ventures/ Scale.

### How much has Theat Stack raised?

Theat Stack has raised $45M across 1 round since 2017.

### When did Theat Stack last raise?

Theat Stack's most recent round was a Series C of $45M in Sept 2017.

### What was Theat Stack's biggest round?

Its most recent round, $45M in Sept 2017, is also its largest on record.

### Who backed Theat Stack first?

Theat Stack's first round on record, in Sept 2017, was backed by F-Prime Capital, Accomplice and Eight Roads Ventures/ Scale.

### What stage is Theat Stack at?

Theat Stack's latest named round is a Series C, in Sept 2017.

### Where is Theat Stack based?

Theat Stack is based in the United States.

## Companies like Theat Stack

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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