United States · 
Who invested in Polymet?
Polymet's investors include Y Combinator and Pioneer Fund.
United States · Pre-seed startup
Who invested in Polymet
One round we have observed, with the 2 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.
Funding summaryUpdated 26 Oct 2026
$2.0Mraised across 1 round since 2024, from 1 source
- Latest round
- Pre-seed, $2.0MSept 2024
- Investors
- 2
The rounds
- Sept 2024
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Polymet
How much has Polymet raised?
Polymet has raised $2.0M across 1 round since 2024.
When did Polymet last raise?
Polymet's most recent round was a Pre-seed of $2.0M in Sept 2024.
What was Polymet's biggest round?
Its most recent round, $2.0M in Sept 2024, is also its largest on record.
Who backed Polymet first?
Polymet's first round on record, in Sept 2024, was backed by Y Combinator and Pioneer Fund.
What stage is Polymet at?
Polymet's latest named round is a Pre-seed, in Sept 2024.
Where is Polymet based?
Polymet is based in the United States.
Companies like Polymet
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.