Who invested in STAMP

2 rounds we have observed, with the 2 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.

Fintech

Raised 10 months ago

Funding summaryUpdated 26 Oct 2026

$5.2Mraised across 2 rounds since 2025, from 2 sources

$500KPre-seed$4.7MSeed

Latest round: Seed, $4.7MJan 2026
Step-upi: 9.4×
Investors: 2

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.

2026

$500KPre-seed$4.7MSeed

First round: Pre-seed, $500K
Biggest round: $4.7M
Between rounds: 10 months

The rounds

Jan 2026
Seed$4.7M1 new
- Arca
Source recorded
Mar 2025
Pre-seed$500K1 new
- Y Combinator
Source recorded

Founders and team

From STAMP's own website: 4 founders, 3 on the team.

Abel NavajasCEO & Co-founder

Javier CastilloCPO & Co-founder

Sebastián PérezCTO & Co-founder

Álvaro FontanedaCRO & Co-founder

Carlos OrtizCOO
Pablo CamposCOO
Francesco CremaHead of Growth

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.

Pre-seed2025Seed2026

Y Combinator

Arca

Everyone who backed them

Y CombinatorAccelerator1round

ArcaVC firm1round

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

Also claim to have backed them

This firm lists STAMP 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.