United Kingdom · Investor

4BIO Capital

Last cheque observed Oct 2026; 10 cheques on record.

Deploying nowNew fund $10M, Jul 2026VC firm

SeedSeries ASeries BMetabolitesLife Sciences ToolsGene

Deploying now
100%of best year5cheques in 12 months, 10 on record
Since the last cheque19days00hrs00min00sec
Median round$61MRounds led7 of 10Mostly inUnited Kingdom, 63%
Pitch 4BIO Capital

4BIO Capital highlights

  1. 01

    5 cheques in the last 12 months

  2. 02

    Mostly Series A and Seed: 70% of its rounds

  3. 03

    Led 7 rounds

What they do

WE ARE A LONDON-BASED FIRM INVESTING IN LIFE SCIENCES VENTURE CAPITALFrom their own website
Type
VC firm (from a list, unverified)
Cheque size
Not stated
Stages
SeedSeries ASeries BGrowth
Sectors
MetabolitesLife Sciences ToolsGene
Based in
London, United Kingdom
Cold pitches
Not stated

The record

Every round we can evidence, newest first10 appearances

  1. 2026

    5 rounds

  2. Oct
  3. Sept
  4. Sept
  5. May
    Cytospire TherapeuticsSeries A · GB · Ventureburn$83MLed
  6. Apr
    Ray TherapeuticsSeries B · US · 4BIO Capital$125MWith 10 others
  7. 2025

    2 rounds

  8. Oct
    Trogenix LtdSeries A · GB · 4BIO Capital$94MWith 7 others
  9. Jul
    ActitheraSeries A · GB · 4BIO Capital$76MLed
  10. 2024

    1 round

  11. Oct
    March BiosciencesSeries A · US · 4BIO Capital$28MLed
  12. 2022

    1 round

  13. Jun
    LUCA ScienceSeries B · JP · Firms' own news pages$29MLed
  14. 2017

    1 round

  15. Dec
    OrchardSeries B · GB · FinSMEs$110MWith 8 others

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

The team

Named by the firm itself, on a filing, its Form ADV or its company registration4 named

AKAndrey KozlovManaging PartneriForm ADV
DADmitry Andrew KuzminManaging PartneriForm ADV
KMKieran MudryyPartner, General Counsel, Chief Compliance OfficeriForm ADV
K&Kyrylo "Kieran" MudryyPartneriFiling they signed

We also hold 23 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

What the register says

From the firm's own filings with the SEC, which it must file accurately by law

$264Mgross assets of its fundsOct 2026
Exemptreporting adviserventure or small private funds
Legal name
4bio Partners LLP
SEC number
CRD 314372

Funds on its Form ADV

4 private funds, $167M in gross assets · filed Oct 2024

Private equity 2Liquidity 2

  1. 4BIO Ventures II L.P.Private equity60 investors$110M
  2. 4BIO Ventures III L.P.Private equity16 investors$49M
  3. 4BIO Advanced Therapies Fund ICAVLiquidity1 investor$4.2M
  4. 4BIO Advanced Therapies LONG Equity FundLiquidity6 investors$4.2M

Who backs their funds

1 LP on record in 4BIO Capital's funds

Funds
1

The institutions that put money into its funds, which the firm then invests in companies.Source: an LP list.

What they claim to have backed

From their own portfolio page (on their website)

0 of 1 we have independently watched raise

Bvca

Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.

Who they invest alongside

The investors most often in the same rounds as 4BIO Capital. A count of rooms they were both in, not a relationship either has claimed.

Recently backed

The latest companies 4BIO Capital put money into.

Quick answers about 4BIO Capital

What does 4BIO Capital invest in?

4BIO Capital invests most often at Series A and Seed (70% of the rounds on record), in sectors such as Metabolites, Life Sciences Tools and Gene.

How active is 4BIO Capital?

10 investments on record, 5 of them in the last 12 months, and it led 7. The most recent was in Oct 2026.

What has 4BIO Capital invested in recently?

Its most recent investments on record: Undecimal Bio (Seed, Oct 2026), Aptadir Therapeutics (Seed, Sept 2026) and Cloverleaf Bio (Seed, Sept 2026).

How big are 4BIO Capital's cheques?

The median round it joins is $61M.

Does 4BIO Capital lead rounds?

Yes: it led 7 of its 10 investments on record (70%).

Where does 4BIO Capital invest?

Most of the companies it backs are in the United Kingdom (63%), the United States (25%) and Japan (13%).

Is 4BIO Capital investing now?

Yes: it is actively investing, with 5 investments in the last 12 months.

Who does 4BIO Capital invest alongside?

Most often IQ Capital (2 rounds together), Kerna Ventures (2 rounds together) and Mission BioCapital (2 rounds together).

Raising now?

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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it