United States · 
Who invested in Protocol Labs?
Protocol Labs's investors include Y Combinator, Sequoia Capital, Andreessen Horowitz, Union Square Ventures and Haystack, and 1 more on record.
United States · Venture startup
Who invested in Protocol Labs
Funding summaryUpdated 26 Oct 2026
$2.5Mraised across 1 round since 2024, from 1 source
- Latest round
- Venture, $2.5MMar 2024
- Investors
- 6
The rounds
- Mar 2024Venture$2.5M
Source recorded
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 Protocol Labs 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 Protocol Labs
How much has Protocol Labs raised?
Protocol Labs has raised $2.5M across 1 round since 2024.
When did Protocol Labs last raise?
Protocol Labs's most recent round was a Venture of $2.5M in Mar 2024.
What was Protocol Labs's biggest round?
Its most recent round, $2.5M in Mar 2024, is also its largest on record.
Who backed Protocol Labs first?
Protocol Labs's first round on record, in Mar 2024, was backed by Y Combinator, Sequoia Capital and Andreessen Horowitz and 3 others.
What stage is Protocol Labs at?
Protocol Labs's latest named round is a Venture, in Mar 2024.
Where is Protocol Labs based?
Protocol Labs is based in the United States.
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