United States · 
Who invested in BioStack?
BioStack's investors include Y Combinator, Peak XV, SV Angel, DCVC and Streamlined Ventures, and 3 more on record. Peak XV led its latest round.
2027
?Venture$9.5MSeedUnited States · Seed startup
Who invested in BioStack
2 rounds we have observed, with the 8 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Raised this month
Funding summaryUpdated 26 Oct 2026
$9.5Mraised across 2 rounds since 2026, from 3 sources
- Latest round
- Seed, $9.5MOct 2026
- Led by
- Peak XV
- Investors
- 8 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture Jun 2026
- Biggest round
- $9.5M Seed · Oct 2026
- Between rounds
- 5 months from the last two
The rounds
- Oct 2026Seed$9.5M7 new1 returning
Peak XVLead
Y Combinator
SV Angel
DCVC
Streamlined Ventures
Afore Capital
Emerson Collective
Verdict Capital
Reported by Google News search and 1 other
- Jun 2026
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 BioStack 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 BioStack
How much has BioStack raised?
BioStack has raised $9.5M across 2 rounds since 2026. One round did not disclose an amount, so the total is a floor.
When did BioStack last raise?
BioStack's most recent round was a Seed of $9.5M in Oct 2026, led by Peak XV.
What was BioStack's biggest round?
Its most recent round, $9.5M in Oct 2026, is also its largest on record.
Who backed BioStack first?
BioStack's first round on record, in Jun 2026, was backed by Y Combinator.
What stage is BioStack at?
BioStack's latest named round is a Seed, in Oct 2026.
Where is BioStack based?
BioStack is based in the United States.
Who led BioStack's rounds?
Peak XV led the Seed in 2026.
Companies like BioStack
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.