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4BIO Capital

78 Pall Mall, London, England, SW1Y 5ES, United Kingdom

Overview

Venture capital firm investing in life sciences and biotech.

Founded

2014

Deals · 12mo

6

Links

WebsiteLinkedInX (Twitter)

Stage focus

Seed
Series A
Series B

Geographic focus

France
Switzerland
United Kingdom
United States

Sector focus

Genetics

Investment portfolio

21rounds
NAMEDATESIZE
Estuary Biotherapeutics
Oct 2026Participated
$93 MSeries A
Undecimal Bio
Oct 2026Led
$18 MSeed
Aptadir Therapeutics
Sep 2026Led
$45 MSeed
Cloverleaf Bio
Sep 2026Led
$33 MSeed
Cytospire Therapeutics
May 2026Led
$83 MSeries A
Ray Therapeutics
Apr 2026Participated
$125 MSeries B
Actithera
Jul 2025Led
$76 MSeries A
ViaNautis
Nov 2023Led
$25 MSeries A
Ray Therapeutics
May 2023Participated
$100 MSeries A
Ascend Gene & Cell Therapies
May 2023Participated
$133 MSeries A
Entact Bio
Dec 2022Participated
$81 MSeries A
Araris Biotech
Oct 2022Led
$24 MOther Equity
Estuary Biotherapeutics
Oct 2026Participated
$93 MSeries A
Undecimal Bio
Oct 2026Led
$18 MSeed
Aptadir Therapeutics
Sep 2026Led
$45 MSeed
Cloverleaf Bio
Sep 2026Led
$33 MSeed
Cytospire Therapeutics
May 2026Led
$83 MSeries A
Ray Therapeutics
Apr 2026Participated
$125 MSeries B
Actithera
Jul 2025Led
$76 MSeries A
ViaNautis
Nov 2023Led
$25 MSeries A
Ray Therapeutics
May 2023Participated
$100 MSeries A
Ascend Gene & Cell Therapies
May 2023Participated
$133 MSeries A
Entact Bio
Dec 2022Participated
$81 MSeries A
Araris Biotech
Oct 2022Led
$24 MOther Equity
21
Items
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Insights

Time horizon

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Deal Distribution

4BIO Capital: 21 funding rounds are recorded in the selected participation categories.All available history.
4BIO Capital: 21 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed51
Series A45
Series B13
Other Equity20

Monthly Deal Activity

4BIO Capital: 21 deals are recorded across 80 months.All available history.
4BIO Capital: 21 deals are recorded across 80 months. All available history
MonthDeals
Mar '201
Apr '200
May '200
Jun '200
Jul '200
Aug '200
Sep '200
Oct '202
Nov '200
Dec '200
Jan '210
Feb '210
Mar '211
Apr '211
May '210
Jun '210
Jul '210
Aug '210
Sep '210
Oct '210
Nov '210
Dec '210
Jan '221
Feb '220
Mar '220
Apr '220
May '220
Jun '222
Jul '220
Aug '220
Sep '221
Oct '221
Nov '220
Dec '221
Jan '230
Feb '230
Mar '230
Apr '230
May '232
Jun '230
Jul '230
Aug '230
Sep '230
Oct '230
Nov '231
Dec '230
Jan '240
Feb '240
Mar '240
Apr '240
May '240
Jun '240
Jul '240
Aug '240
Sep '240
Oct '240
Nov '240
Dec '240
Jan '250
Feb '250
Mar '250
Apr '250
May '250
Jun '250
Jul '251
Aug '250
Sep '250
Oct '250
Nov '250
Dec '250
Jan '260
Feb '260
Mar '260
Apr '261
May '261
Jun '260
Jul '260
Aug '260
Sep '262
Oct '262

Sector Breakdown

4BIO Capital: Health & Life Sciences is the largest displayed sector by deal count (21 deals).All available history.

A deal can appear in multiple sectors, so sector totals may overlap. Capital represents disclosed total round sizes, not fund cheque sizes.

4BIO Capital: Health & Life Sciences is the largest displayed sector by deal count (21 deals). All available history
SectorDeals
Health & Life Sciences21
Manufacturing2
Professional Services1

Deal Size Distribution

4BIO Capital: 21 rounds have a disclosed size in the displayed size bands.All available history.

Undisclosed round sizes are excluded. Capital represents total round sizes, not fund cheque sizes.

4BIO Capital: 21 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M0
$5M-$10M1
$10M-$25M5
$25M-$50M4
$50M-$100M8
$100M-$250M3
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

4BIO Capital: United States has the largest recorded deal count among the displayed regions (10 deals).All available history.

Top 4 of 4 regions; European countries are grouped as Europe.

4BIO Capital: United States has the largest recorded deal count among the displayed regions (10 deals). All available history
RegionDeals
United States10
Europe9
Israel1
Japan1
4BIO Capital: 20 co-investors are shown, with UPMC Enterprises sharing 5 recorded deals.All available history.

Co-Investors

Bubble size = shared deals

Click a bubble to open that fund in a new tab.

Shows up to 20 co-investors ranked by shared deals. Deals may be shared with multiple funds, so rows overlap. Capital is total round size, not fund cheque size.

4BIO Capital: 20 co-investors are shown, with UPMC Enterprises sharing 5 recorded deals. All available history
Co-investorShared deals
UPMC Enterprises5
Abingworth3
Arkin Bio Ventures3
Deerfield Management3
Takeda Ventures3
Bpifrance2
btov Partners2
CureDuchenne Ventures2
Eli Lilly and Company2
Janus Henderson Investors2
JDRF T1D Fund2
Jeito Capital2
Kerna2
MRL Ventures Fund2
New Enterprise Associates2
Norwest Venture Partners2
Novo Holdings2
Platanus2
Pureos Bioventures2
Redalpine2

Investment Strategy

4BIO Capital: Led accounts for 57% and participating for 43% of round participation.All available history.
4BIO Capital: Led accounts for 57% and participating for 43% of round participation. All available history
CategoryDeals (count)Share (%)
Led1257%
Participating943%
4BIO Capital: Single-lead accounts for 33% and co-led for 67% of lead dynamics.All available history.
4BIO Capital: Single-lead accounts for 33% and co-led for 67% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead433%
Co-led867%

Team

Andrew Kozlov

Managing Partner

Annalisa D'Aiuto (Rizzo)
Dmitry Kuzmin

Managing Partner

Kieran Mudryy

Partner

Mariangela Di Giandomenico
Owen Smith

Principal

Therese Liechtenstein
Vasily Fedorin

Principal

Yury Kukushkin

Venture Partner