United States · 
Who invested in Neion Bio?
Neion Bio's investors include Haystack, Caffeinated Capital, Basis Set Ventures and Digitalis Ventures.
United States · Series A startup
Who invested in Neion Bio
Funding summaryUpdated 26 Oct 2026
$23Mraised across 1 round since 2026, from 1 source
- Latest round
- Series A, $23MJun 2026
- Investors
- 4
The rounds
- Jun 2026
Founders and team
From Neion Bio's own website: 1 founder, 6 on the team.
Dimi KellariCo-Founder & CEO
- Tom BayoumiHead of Strategy & Finance
- Emily HoelzliResearch Associate
- Lea RadomskyResearch Associate
- Melanie YungaVeterinary Research Associate
- Rachel SomavarapuResearch Associate
- Shivani PatelResearch Associate
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 Neion Bio 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 Neion Bio
How much has Neion Bio raised?
Neion Bio has raised $23M across 1 round since 2026.
When did Neion Bio last raise?
Neion Bio's most recent round was a Series A of $23M in Jun 2026.
What was Neion Bio's biggest round?
Its most recent round, $23M in Jun 2026, is also its largest on record.
Who backed Neion Bio first?
Neion Bio's first round on record, in Jun 2026, was backed by Haystack, Caffeinated Capital and Basis Set Ventures and 1 others.
What stage is Neion Bio at?
Neion Bio's latest named round is a Series A, in Jun 2026.
Where is Neion Bio based?
Neion Bio is based in the United States.
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