United States · Pre-seed startup

Who invested in Mainstack

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.

Consumer Apps

Funding summaryUpdated 26 Oct 2026

$120Kraised across 1 round since 2023, from 1 source

Latest round
Pre-seed, $120KApr 2023
Investors
1
See who backed them

The rounds

  1. Apr 2023
    Pre-seed$120K

    Source recorded

Everyone who backed them

TechstarsVC firm1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 2 firms list Mainstack as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Midlothian Angel NetworkAngel networkPer its own site
Velocity DigitalAngel networkPer its own site

Quick answers about Mainstack

Who invested in Mainstack?

Mainstack's investors include Techstars.

How much has Mainstack raised?

Mainstack has raised $120K across 1 round since 2023.

When did Mainstack last raise?

Mainstack's most recent round was a Pre-seed of $120K in Apr 2023.

What was Mainstack's biggest round?

Its most recent round, $120K in Apr 2023, is also its largest on record.

Who backed Mainstack first?

Mainstack's first round on record, in Apr 2023, was backed by Techstars.

What stage is Mainstack at?

Mainstack's latest named round is a Pre-seed, in Apr 2023.

Where is Mainstack based?

Mainstack is based in the United States.

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

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