United States · 
Who invested in Cardboard?
Cardboard's investors include Y Combinator.
20252026
$2.1MSeed$500KPre-seed
United States · Pre-seed startup
Who invested in Cardboard
Funding summaryUpdated 26 Oct 2026
$2.6Mraised across 2 rounds since 2024, from 2 sources
$2.1MSeed$500KPre-seed
- Latest round
- Pre-seed, $500KMar 2026
- Biggest round
- $2.1MSeed · Aug 2024
- Investors
- 1
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $2.1M Aug 2024
- Biggest round
- $2.1M Seed · Aug 2024
- Between rounds
- 19 months from the last two
The rounds
- Mar 2026
- Aug 2024Seed$2.1M
No investor was named in the report.
Source recorded
Founders and team
From Cardboard's own website: 5 founders, 1 on the team.
Andreas RøyrvikCo-founder and CPO
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 2 firms list Cardboard 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.
Quick answers about Cardboard
How much has Cardboard raised?
Cardboard has raised $2.6M across 2 rounds since 2024.
When did Cardboard last raise?
Cardboard's most recent round was a Pre-seed of $500K in Mar 2026.
What was Cardboard's biggest round?
Cardboard's largest round on record is $2.1M (Seed), in Aug 2024.
Who backed Cardboard first?
Cardboard's first round on record, in Mar 2026, was backed by Y Combinator.
What stage is Cardboard at?
Cardboard's latest named round is a Pre-seed, in Mar 2026.
Where is Cardboard based?
Cardboard is based in the United States.
Companies like Cardboard
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.