United States · 
Who invested in Proof Diagnostics?
Proof Diagnostics's investors include SV Angel, Madrona Venture Group and ARCH Venture Partners.
United States · Series A startup
Who invested in Proof Diagnostics
Funding summaryUpdated 26 Oct 2026
$45Mraised across 1 round since 2022, from 1 source
- Latest round
- Series A, $45MApr 2022
- Investors
- 3
The rounds
- Apr 2022
Everyone who backed them
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Quick answers about Proof Diagnostics
How much has Proof Diagnostics raised?
Proof Diagnostics has raised $45M across 1 round since 2022.
When did Proof Diagnostics last raise?
Proof Diagnostics's most recent round was a Series A of $45M in Apr 2022.
What was Proof Diagnostics's biggest round?
Its most recent round, $45M in Apr 2022, is also its largest on record.
Who backed Proof Diagnostics first?
Proof Diagnostics's first round on record, in Apr 2022, was backed by SV Angel, Madrona Venture Group and ARCH Venture Partners.
What stage is Proof Diagnostics at?
Proof Diagnostics's latest named round is a Series A, in Apr 2022.
Where is Proof Diagnostics based?
Proof Diagnostics is based in the United States.
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