United States · Series B startup

Who invested in Basis Theory

One round we have observed, with the 5 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.

Big Data & Analytics

Funding summaryUpdated 26 Oct 2026

$33Mraised across 1 round since 2025, from 1 source

Latest round
Series B, $33MOct 2025
Investors
5
See who backed them

The rounds

  1. Oct 2025

Everyone who backed them

BoxGroupVC firm1round
Costanoa VenturesVC firm1round
Kindred VenturesVC firm1round
Stage 2 CapitalVC firm1round

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

Quick answers about Basis Theory

Who invested in Basis Theory?

Basis Theory's investors include Bessemer Venture Partners, BoxGroup, Costanoa Ventures, Kindred Ventures and Stage 2 Capital.

How much has Basis Theory raised?

Basis Theory has raised $33M across 1 round since 2025.

When did Basis Theory last raise?

Basis Theory's most recent round was a Series B of $33M in Oct 2025.

What was Basis Theory's biggest round?

Its most recent round, $33M in Oct 2025, is also its largest on record.

Who backed Basis Theory first?

Basis Theory's first round on record, in Oct 2025, was backed by Bessemer Venture Partners, BoxGroup and Costanoa Ventures and 2 others.

What stage is Basis Theory at?

Basis Theory's latest named round is a Series B, in Oct 2025.

Where is Basis Theory based?

Basis Theory is based in the United States.

Companies like Basis Theory

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

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