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Neion Bio

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Biologic medicines production using genetically engineered eggs.

New York City, United StatesFounded 2024Biotech & Life Sciences
Valuation $0–100M Latest valuation · 2026
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
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About Neion Bio

Neion Bio is a New York-based biotechnology company that is transforming the manufacturing of biologic medicines. Founded in 2024 by Dimi Kellari and Dr. Sam Levin, the company emerged from stealth in March 2026 with approximately $11 million in financing. The funding round was led by Caffeinated Capital, with significant participation from Basis Set Ventures and Haystack VC.

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The company was founded on the question of why medicines are often made using Chinese hamster ovary cells. Co-founder and CEO Dimi Kellari is an MIT-trained aerospace engineer with a background as a technologist and investor at firms including GoogleX and McKinsey. Co-founder and CTO, Dr. Sam Levin, is an Oxford-trained evolutionary biologist. The leadership team also includes Chief Scientific Officer Dr. Sven Bocklandt, formerly of Colossal Biosciences where he worked on de-extinction projects, and President of Commercial Operations Ming Li, who previously served as Chief Strategy Officer at Alvotech.

Neion Bio's core business revolves around its proprietary Raptor™ platform, which utilizes genetic engineering to produce recombinant biologics, such as monoclonal antibodies, within chicken eggs. The company re-engineers eggs, which it describes as nature's most efficient molecular factories, to function as living bioreactors. This process is designed to produce therapeutic proteins at a significantly lower cost, with minimal capital investment and a more resilient, localized supply chain compared to traditional cell-culture-based manufacturing. The platform is enabled by advances in precision genome engineering, the availability of large genomic datasets, and the ability to grow avian primordial germ cells. Neion Bio claims its method can lower capital expenditures by up to 100 times and reduce the carbon footprint of manufacturing by 10 to 100 times.

The company's business model is centered on partnerships with pharmaceutical companies. Upon emerging from stealth, Neion Bio announced its first commercial agreement with a major global pharmaceutical company for the co-development and supply of up to three monoclonal antibodies. This deal provides the company with near-term revenue through upfront and milestone payments, as well as long-term participation via profit sharing once the products are commercialized. Neion Bio serves biopharmaceutical and animal health companies, offering to manufacture a wide range of biological molecules including enzymes, fusion proteins, and peptides for both therapeutic and non-therapeutic use.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2024
Headquarters
New York City, United States
Employees
16
Open positions
6
Dealroom signal
58.6/100
Industry
Health
Sub-industry
BioTechnology
Sector
Biotech & Life Sciences, Biotechnology, Drug Development, Genetics and genomics, Antibodies, Synthetic Biology, Techbio, biomanufacturing, DT and LS, out of stealth, science-based
Business model
Manufacturing
Client focus
b2b

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Funding history

2 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES AEquity / VC Jun 2026 $23M $92M Caffeinated Capital
SEEDEquity / VC Mar 2026 Caffeinated Capital · Basis Set Ventures · Haystack
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Growth signals

Neion Bio website traffic

Latest recorded traffic for Neion Bio is 2.7K monthly website visits, down 50% over the last three months.

Latest monthly visits2.7K 3-month web change-50%
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Investors

3 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed3 investors entered at this stage

Team profiled 2 named & role-tagged
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Key operators 2 quality Hidden — book a demo/100
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Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
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1 countries with
team presence
🇺🇸 United States100%
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Market sentiment

Posts on X, past 7 days

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