Who invested in Rainbow

3 rounds we have observed, with the 8 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Asset Management

Funding summaryUpdated 26 Oct 2026

$28Mraised across 3 rounds since 2021, from 3 sources

$2.4MSeries A$18MSeries A$8.0MSeries A

Latest round: Series A, $8.0MJan 2025
Biggest round: $18MSeries A · Oct 2021
Investors: 8

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2022202320242025

$2.4MSeries A$18MSeries A$8.0MSeries A

First round: Series A, $2.4M
Biggest round: $18M
Usual gap between rounds: 3.3 years

The rounds

Jan 2025
Series A$8.0M3 new
Source recorded
Oct 2021
Series A$18M5 new
Source recorded
Jul 2021
Series A$2.4M
No investor was named in the report.
Source recorded

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Series A2021Series A2021Series A2025

Y Combinator

8VC

Digital Currency Group

Everyone who backed them

Y CombinatorAccelerator1round

8VCVC firm1round

Digital Currency GroupVC firm1round

Caffeinated CapitalVC firm1round

6th Man VenturesVC firm1round

Seven Seven SixVC firm1round

FinTech CollectiveVC firm1round

Buckley VenturesVC firm1round

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

Also claim to have backed them

These 6 firms list Rainbow 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.