United States · 
Who invested in Sunflower?
Sunflower's investors include Y Combinator, Alumni Ventures, Flybridge and Rebel Fund.
United States · Seed startup
Who invested in Sunflower
One round we have observed, with the 4 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$1.5Mraised across 1 round since 2025, from 1 source
- Latest round
- Seed, $1.5MOct 2025
- Investors
- 4
The rounds
- Oct 2025
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 Sunflower 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 Sunflower
How much has Sunflower raised?
Sunflower has raised $1.5M across 1 round since 2025.
When did Sunflower last raise?
Sunflower's most recent round was a Seed of $1.5M in Oct 2025.
What was Sunflower's biggest round?
Its most recent round, $1.5M in Oct 2025, is also its largest on record.
Who backed Sunflower first?
Sunflower's first round on record, in Oct 2025, was backed by Y Combinator, Alumni Ventures and Flybridge and 1 others.
What stage is Sunflower at?
Sunflower's latest named round is a Seed, in Oct 2025.
Where is Sunflower based?
Sunflower is based in the United States.
Companies like Sunflower
In the same sector, and raised in the last eighteen months.
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