# Unstack funding: rounds and investors

> Unstack has raised $3.1M across 1 round since 2020. Investors include Hustle Fund, Accomplice and MassVentures. Every round with its source.

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

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

# Who invested in *Unstack*

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.

Internet

Funding summary Updated 26 Oct 2026

**$3.1M** raised across 1 round since 2020, from 1 source

- **Latest round:** Series A, $3.1M Dec 2020
- **Investors:** 3

See who backed them

## The rounds

- **Dec 2020** Series A **$3.1M** [Hustle Fund](https://millionrounds.com/fund/hustle-fund) [Accomplice](https://millionrounds.com/fund/accomplice) [MassVentures](https://millionrounds.com/fund/massventures) Source recorded SEC filing: $3.1M sold, first sale Dec 2020

## Everyone who backed them

[Hustle Fund](https://millionrounds.com/fund/hustle-fund) VC firm **1** round

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

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

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

## Also claim to have backed them

This firm lists Unstack 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.

[TBD Angels](https://millionrounds.com/fund/tbd-angels) Angel network Per its own site

## Quick answers about Unstack

### Who invested in Unstack?

Unstack's investors include Hustle Fund, Accomplice and MassVentures.

### How much has Unstack raised?

Unstack has raised $3.1M across 1 round since 2020.

### When did Unstack last raise?

Unstack's most recent round was a Series A of $3.1M in Dec 2020.

### What was Unstack's biggest round?

Its most recent round, $3.1M in Dec 2020, is also its largest on record.

### Who backed Unstack first?

Unstack's first round on record, in Dec 2020, was backed by Hustle Fund, Accomplice and MassVentures.

### What stage is Unstack at?

Unstack's latest named round is a Series A, in Dec 2020.

## Companies like Unstack

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

[**Cumin Co** $5.0M · Jan 2026](https://millionrounds.com/company/cumin-co)[**Meolaa** $6.0M · Oct 2025](https://millionrounds.com/company/meolaa)[**Whop** $400M · Oct 2026](https://millionrounds.com/company/whop)[**Blackwall** $162M · Oct 2026](https://millionrounds.com/company/blackwall)[**Tolan** $30M · Oct 2026](https://millionrounds.com/company/tolan)[**Welltory** $4.0M · Oct 2026](https://millionrounds.com/company/welltory)

## 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