United States · 
Who invested in Filament?
Filament's investors include Flybridge, Betaworks and Oceans.
United States · Seed startup
Who invested in Filament
One round we have observed, with the 3 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
$11Mraised across 1 round since 2025, from 1 source
- Latest round
- Seed, $11MSept 2025
- Investors
- 3
The rounds
- Sept 2025
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 4 firms list Filament 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 Filament
How much has Filament raised?
Filament has raised $11M across 1 round since 2025.
When did Filament last raise?
Filament's most recent round was a Seed of $11M in Sept 2025.
What was Filament's biggest round?
Its most recent round, $11M in Sept 2025, is also its largest on record.
Who backed Filament first?
Filament's first round on record, in Sept 2025, was backed by Flybridge, Betaworks and Oceans.
What stage is Filament at?
Filament's latest named round is a Seed, in Sept 2025.
Where is Filament based?
Filament is based in the United States.
Companies like Filament
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.