United States · 
Who invested in Pietra?
Pietra's investors include Andreessen Horowitz, Founders Fund, Abstract Ventures, M13 and TQ Ventures.
United States · Series A startup
Who invested in Pietra
Funding summaryUpdated 26 Oct 2026
$16Mraised across 1 round since 2023, from 1 source
- Latest round
- Series A, $16MMar 2023
- Investors
- 5
The rounds
- Mar 2023Series A$16M
Source recordedSEC filing: $16M sold, first sale Mar 2023
Everyone who backed them
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Also claim to have backed them
This firm lists Pietra as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Pietra
How much has Pietra raised?
Pietra has raised $16M across 1 round since 2023.
When did Pietra last raise?
Pietra's most recent round was a Series A of $16M in Mar 2023.
What was Pietra's biggest round?
Its most recent round, $16M in Mar 2023, is also its largest on record.
Who backed Pietra first?
Pietra's first round on record, in Mar 2023, was backed by Andreessen Horowitz, Founders Fund and Abstract Ventures and 2 others.
What stage is Pietra at?
Pietra's latest named round is a Series A, in Mar 2023.
Where is Pietra based?
Pietra is based in the United States.
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