# Viroment funding: rounds and investors

> Viroment has raised $241K across 1 round since 2022. Investors include Cleantech Open. Every round with its source.

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

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

# Who invested in *Viroment*

One round we have observed, with the one investor 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.

Engineering

Funding summary Updated 26 Oct 2026

**$241K** raised across 1 round since 2022, from 1 source

- **Latest round:** Venture, $241K Dec 2022
- **Investors:** 1

See who backed them

## The rounds

- **Dec 2022** Venture **$241K** [Cleantech Open](https://millionrounds.com/fund/cleantech-open) Source recorded

## Funding filed with regulators

Viroment filed 2 raises, $1.1M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Aug 2021 **$441K** preferred stock of $1.0M offered Crowdfunding
- Aug 2021 **$618K** preferred stock Crowdfunding

## Everyone who backed them

[Cleantech Open](https://millionrounds.com/fund/cleantech-open) Accelerator **1** round

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

## Quick answers about Viroment

### Who invested in Viroment?

Viroment's investors include Cleantech Open.

### How much has Viroment raised?

Viroment has raised $241K across 1 round since 2022.

### When did Viroment last raise?

Viroment's most recent round was a Venture of $241K in Dec 2022.

### What was Viroment's biggest round?

Its most recent round, $241K in Dec 2022, is also its largest on record.

### Who backed Viroment first?

Viroment's first round on record, in Dec 2022, was backed by Cleantech Open.

### What stage is Viroment at?

Viroment's latest named round is a Venture, in Dec 2022.

### Where is Viroment based?

Viroment is based in the United States.

## Companies like Viroment

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

[**Mach9** $46M · Oct 2026](https://millionrounds.com/company/mach9)[**Applied Intuition** $640M · Oct 2026](https://millionrounds.com/company/applied-intuition)[**Aikido Technologies** $5.7M · Oct 2026](https://millionrounds.com/company/aikido-technologies)[**Cognition** $3.0B · Sept 2026](https://millionrounds.com/company/cognition)[**Thermolic** $500K · Sept 2026](https://millionrounds.com/company/thermolic)[**Terragrit LLC** $40M · Sept 2026](https://millionrounds.com/company/terragrit-llc)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app
