# effx funding: rounds and investors

> effx has raised $3.9M across 1 round since 2020. Investors include Kleiner Perkins, Cowboy Ventures and Essence VC. Every round with its source.

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

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

# Who invested in *effx*

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.

Software

Funding summary Updated 26 Oct 2026

**$3.9M** raised across 1 round since 2020, from 1 source

- **Latest round:** Seed, $3.9M Jul 2020
- **Investors:** 3

See who backed them

## The rounds

- **Jul 2020** Seed **$3.9M** [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) [Cowboy Ventures](https://millionrounds.com/fund/cowboy-ventures) [Essence VC](https://millionrounds.com/fund/essence-vc) Source recorded

## Everyone who backed them

[Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) VC firm **1** round

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

[Essence VC](https://millionrounds.com/fund/essence-vc) VC firm **1** round

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

## Quick answers about effx

### Who invested in effx?

effx's investors include Kleiner Perkins, Cowboy Ventures and Essence VC.

### How much has effx raised?

effx has raised $3.9M across 1 round since 2020.

### When did effx last raise?

effx's most recent round was a Seed of $3.9M in Jul 2020.

### What was effx's biggest round?

Its most recent round, $3.9M in Jul 2020, is also its largest on record.

### Who backed effx first?

effx's first round on record, in Jul 2020, was backed by Kleiner Perkins, Cowboy Ventures and Essence VC.

### What stage is effx at?

effx's latest named round is a Seed, in Jul 2020.

## Companies like effx

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

[**ExtraMile Play** $500K · Jan 2026](https://millionrounds.com/company/extramile-play)[**Datacurve** $15M · Oct 2025](https://millionrounds.com/company/datacurve)[**MineMind** $1.0M · Oct 2026](https://millionrounds.com/company/minemind)[**Legora** $1.3B · Oct 2026](https://millionrounds.com/company/legora)[**TruAgents** $3.4M · Oct 2026](https://millionrounds.com/company/truagents)[**Lumilab** $3.3M · Oct 2026](https://millionrounds.com/company/lumilab)

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