United States · 
Who invested in Pump?
Pump's investors include Y Combinator and Pioneer Fund.
United States · Seed startup
Who invested in Pump
Funding summaryUpdated 26 Oct 2026
$4.0Mraised across 1 round since 2024, from 1 source
- Latest round
- Seed, $4.0MApr 2024
- Investors
- 2
The rounds
- Apr 2024
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 6 firms list Pump 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 Pump
How much has Pump raised?
Pump has raised $4.0M across 1 round since 2024.
When did Pump last raise?
Pump's most recent round was a Seed of $4.0M in Apr 2024.
What was Pump's biggest round?
Its most recent round, $4.0M in Apr 2024, is also its largest on record.
Who backed Pump first?
Pump's first round on record, in Apr 2024, was backed by Y Combinator and Pioneer Fund.
What stage is Pump at?
Pump's latest named round is a Seed, in Apr 2024.
Where is Pump based?
Pump is based in the United States.
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