United States · 
Who invested in Heysan?
Heysan's investors include Y Combinator, Khosla Ventures and Atomico.
20072008
$20KSeed$855KSeedUnited States · Seed startup
Who invested in Heysan
Funding summaryUpdated 26 Oct 2026
$875Kraised across 2 rounds since 2007, from 2 sources
$20KSeed$855KSeed
- Latest round
- Seed, $855KJul 2007
- Step-upi
- 42.8×
- Investors
- 3
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, $20K Jan 2007
- Biggest round
- $855K Seed · Jul 2007
- Between rounds
- 6 months from the last two
The rounds
- Jul 2007
- Jan 2007
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.
The exit
ExitBuyerPriceWhen
From historical deal records. Wrong? Tell us.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Heysan
How much has Heysan raised?
Heysan has raised $875K across 2 rounds since 2007.
When did Heysan last raise?
Heysan's most recent round was a Seed of $855K in Jul 2007.
What was Heysan's biggest round?
Its most recent round, $855K in Jul 2007, is also its largest on record.
Who backed Heysan first?
Heysan's first round on record, in Jan 2007, was backed by Y Combinator.
What stage is Heysan at?
Heysan's latest named round is a Seed, in Jul 2007.
Where is Heysan based?
Heysan is based in the United States.
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