4BIO Capital
VC Fund
London, United Kingdom
4BIO Capital is a VC fund in London focused on Biotechnology and Health Care. 4BIO Ventures is a London-based firm investing in venture capital and public equities in life sciences. They are focused on advanced therapies addressing high unmet medical and social needs. 4BIO Capital Partners is an emerging asset manager focusing on private equity and venture capital in high growth and high return segments of biotech - biologics, gene and cell therapy and bioinformatics.
- Total investments:
- 37
- Last investment:
- Lead investor:
- 46%
- Fund size:
- $10M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries 4BIO Capital invests in
Stages 4BIO Capital invests in
Countries 4BIO Capital invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
| See all 6 contacts → | |||
Round size
- Seed
- $5M–$45M
- Series A
- $24M–$94M
- Series B
- $12M–$125M
Investment Focus
Industry
- Biotechnology 18 (49%)
- Health Care 11 (30%)
- Medical 10 (27%)
- Therapeutics 10 (27%)
- Life Science 7 (19%)
Stage
- Series A 12 (32%)
- Seed 9 (24%)
- Series B 5 (14%)
- Series C 3 (8%)
- Post-IPO Equity 3 (8%)
Country
- United States 8 (22%)
- United Kingdom 7 (19%)
- France 2 (5%)
- Switzerland 2 (5%)
- Italy 1 (3%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Andrew Kozlov
Managing Partner
|
Managing Partner | Total investments: 2 | Find email | |
Dmitry Kuzmin
Managing Partner
|
Managing Partner | Total investments: 8 | Find email | |
Kieran Mudryy
Partner
|
Partner | Total investments: 1 | Find email | |
Owen Smith
Principal
|
Principal | Total investments: 7 | Find email | |
Vasily Fedorin
Principal
|
Principal | Total investments: 0 | Find email | |
| See all 6 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Undecimal Bio operates as a platform biotechnology company that develops targeted delivery mechanisms for small interfering RNA (siRNA) therapeutics. The company utilizes a proprietary platform that combines combinatorial chemistry libraries with transformer-based artificial intelligence to discover molecular conjugates capable of guiding genetic medicines to specified cells outside of the liver. This approach aims to circumvent traditional delivery constraints to expand the reach of RNA therapeutics into a broader range of therapeutic areas and human organs. | $18M / Seed / Oct 12, 2026 | ||
| Aptadir Therapeutics is developing RNA inhibitor-based therapeutics for treating intractable cancers and genetic conditions. | $45.5M / Seed / Sep 29, 2026 | ||
| Precision Solutions | $27.1M / Venture - Series Unknown / Sep 09, 2026 | ||
| Cloverleaf Bio develops an RNA therapeutic platform for oncology. | $33M / Seed / Sep 08, 2026 | ||
| Cytospire Therapeutics is bringing forward a portfolio of next generation immune cell engagers. | $82.6M / Series A / May 05, 2026 | ||
| Ray Therapeutics is a biotech company developing optogenetic gene therapies for patients with blinding diseases. | $125M / Series B / Apr 21, 2026 | ||
| Trogenix operates as a therapeutics company, that treats aggressive cancers. | $94.4M / Series A / Oct 06, 2025 | ||
| Actithera is a molecular radiotherapeutic company that develops radioligand therapies. It translates medicinal chemistry insights into new radioligand therapies (RLTs) and applies various molecular design strategies, including covalent targeting and an isotope-agnostic philosophy, to invent RLTs with significant differentiation and largertherapeutic windows. | $75.5M / Series A / Jul 09, 2025 | ||
| March Biosciences is a clinical-stage cell therapy company that focuses on developing CAR-T cell strategies to address hematological cancers. | $28.4M / Series A / Oct 23, 2024 | ||
| Hornet Therapeutics provides immune cell metabolism & cell therapy for cancer treatment. | $5M / Seed / May 23, 2024 | ||
| See all 37 investments → | |||
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FAQ
What does 4BIO Capital invest in?
4BIO Capital invests primarily in Biotechnology, Health Care and Medical startups, most often at Series A and Seed stage. Most of the 37 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does 4BIO Capital invest in?
4BIO Capital typically joins rounds of $5M–$45M at Seed, $24M–$94M at Series A and $12M–$125M at Series B. These are whole funding-round sizes, not 4BIO Capital's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds 4BIO Capital took part in.
How do I contact 4BIO Capital?
Public channels for 4BIO Capital include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at 4BIO Capital?
The team at 4BIO Capital includes Andrew Kozlov (Managing Partner), Dmitry Kuzmin (Managing Partner) and Kieran Mudryy (Partner), among 6 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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