United States · 
Who invested in Theorem?
Theorem's investors include Y Combinator, Khosla Ventures, Pioneer Fund and The E14 Fund.
2014201620182020202220242026
$120KSeed$6.0MSeed
United States · Seed startup
Who invested in Theorem
Funding summaryUpdated 26 Oct 2026
$6.1Mraised across 2 rounds since 2014, from 2 sources
$120KSeed$6.0MSeed
- Latest round
- Seed, $6.0MJan 2026
- Step-upi
- 50×
- Investors
- 4
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $120K Jul 2014
- Biggest round
- $6.0M Seed · Jan 2026
- Between rounds
- 11.5 years from the last two
The rounds
- Jan 2026
- Jul 2014
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Theorem 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 Theorem
How much has Theorem raised?
Theorem has raised $6.1M across 2 rounds since 2014.
When did Theorem last raise?
Theorem's most recent round was a Seed of $6.0M in Jan 2026.
What was Theorem's biggest round?
Its most recent round, $6.0M in Jan 2026, is also its largest on record.
Who backed Theorem first?
Theorem's first round on record, in Jul 2014, was backed by Y Combinator.
What stage is Theorem at?
Theorem's latest named round is a Seed, in Jan 2026.
Where is Theorem based?
Theorem is based in the United States.
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