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B3 Holding

Family office

Prague · 4 people tracked

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Investment thesis

B3 Holding is a family investment fund that invests exclusively its own capital in pursuit of family values rather than pure profit maximization. Rooted in the family's chemical-industry background (notably Draslovka Kolín), the fund seeks long-term projects that address broader societal problems, with particular focus on healthcare, diagnostics, agriculture, energy and chemistry. Investments are managed directly by B3 Holding's management or through mandated funds sharing the family's ethical standards. Positive capital returns are considered only one of several criteria when evaluating an investment.

Source: firm website, verified Aug 7, 2026.

HQ
Prague, CZ
Instruments
Equity
Founded
2012
Tracked investments
15

Team · 4 people

from the firm's website

What they invest in

from 11 of 15 portfolio companies

Biotech ×8Healthtech ×6AgTech ×3AI & Machine Learning ×3Digital Health ×3Medical Devices ×3Deep Tech ×2Advanced Manufacturing ×1

HQs:Czechia×4United States×4

Investments · 15 tracked

founders shown can be your intro path

By year:2018 · 12017 · 12 dated

Ginkgo Bioworksginkgo.bioin𝕏NYSE: DNA

Ginkgo Bioworks builds autonomous labs that accelerate bioengineering for applications in pharmaceutical, agricultural, and industrial biotechnology.

AgTechAI & Machine LearningBiotechDeep TechHealthtechRoboticsBoston, US

Jason Kelly(Co-founder & CEO)inReshma Shetty(Co-founder, President & Chief Operations Officer)inBarry Canton(Foundry Technology Strategy & Direction)inAustin Che(Strategic Partnerships & Investments)inTom Knight(Founder, Ginkgo Fellow)

BoardReshma Sohoni

Co-investors11.2 CapitalAllen Institute for AI (AI2) IncubatorCannage CapitalCool Climate CollectiveDCVC (Data Collective)Designer Fund+21 more

Brizantbrizant.eu

Wood pellet producer in Belarus supplying renewable feedstock across the EU.

Dianabiotechdianabiotech.com

DIANA Biotechnologies is a Czech biotech company that sells products and services to the life sciences research market through a distributed network of regional distributors and scientific marketplaces.

BiotechHealthtechMedical DevicesVestec, CZ

Martin Dienstbier(Co-CEO)

Co-investorsBiotech Investments S.R.O

Draslovka Holdingdraslovka.comin

Draslovka is a chemical technologies and products company producing specialty chemicals including sodium cyanide and proprietary metal leaching technologies for mining, agriculture, and manufacturing sectors.

Advanced ManufacturingAgTechCleantechNew MaterialsKolín, CZ

Pavel Brůžek Jr.(CEO Draslovka Holding)

BoardPavel Brůžek Sr.(Chairman of Supervisory Board)

Eagle Genomicseaglegenomics.com

Platform enabling scientists to work with microbiome data.

Co-investorsFuture Planet CapitalOmron Ventures

Finch Therapeuticsfinchtherapeutics.comin𝕏Feb 2018

Finch Therapeutics is a life sciences company focused on the development and protection of drug-related intellectual property and therapeutics within the biotechnology and pharmaceutical industry.

BiotechHealthtechMedical DevicesSomerville, US

Mark Smith(Executive Officer, Director)inMatt Blischak(Chief Executive Officer)inR. J. Price(Director)Jeffery A. Smisek(Director)Andrew Mulderry(Director)James Burgess(Director)

Co-investorsOctave Ventures LlcOCV PartnersOMX VenturesShumway CapitalHumboldt

Groundwork BioAggroundworkbioag.comin𝕏

Groundwork BioAg makes Rootella, a mycorrhizal soil inoculant that farmers apply to their fields, and runs the Rootella Carbon Program that lets growers earn carbon-credit income while improving soil health.

AgTechBiotechClimate Tech

Co-investorsClimate Innovation CapitalMiddleland CapitalBridges Fund Management Ltd.MoreVC

Hexagon Biohexagonbio.comin

Hexagon Bio develops novel payload mechanisms for antibody-drug conjugates (ADCs) aimed at overcoming resistance to current cancer treatments and expanding ADC indications.

BiotechDeep TechHealthtechMenlo Park, US

Colin James Bell Harvey(Director)Brian T. Naughton(Director)inMaureen E. Hillenmeyer(Executive Officer, Director)inMaureen Hillenmeyer(CEO & Co-Founder)in

BoardAlex Kolich(Director)

Co-investorsNextech InvestSoftBank Vision FundThe Column Group8VCCasdin CapitalTwo Sigma Ventures

MyClinicmyclinic.czin

My Clinic is a private family medical clinic in Prague offering comprehensive healthcare services across 85 specialists in 30 medical specialties.

Digital HealthHealthtechPrague, CZ

Michal Safranekin

Q2 Pharmaq2pharma.com

Developer of small-molecule antivirulence agents against bacterial infections.

Menachem Shoham(Founder)in

Sampling Humansamplinghuman.comin𝕏

Sampling Human develops systems to generate actionable insights from individual biology using cellular-resolution data collection technologies.

AI & Machine LearningBiotechHealthtech

Daniel Georgiev(Co-Founder, CEO, and Board Member)inHynek Kasl(Co-Founder and Head of Engineering)inMartin Cienciala(Co-Founder and Head of Innovation)in

Co-investorsBiotech Investments S.R.O

Scasescase.ioin

SCase Vital is a certified class IIb all-in-one medical device that measures vital signs such as body temperature, blood pressure, pulse, blood oxygen and glucose, records wound photos, and transfers data to clinical information systems.

Digital HealthHardwareMedical DevicesPrague, CZ

Scipher

Precision-medicine platform predicting which therapy a patient will respond to based on disease biology.

Scipher Medicinesciphermedicine.comin𝕏

Scipher Medicine is a precision immunology company that combines molecular data from autoimmune patients, protein interaction mapping, and AI to match patients with the most effective therapy for immunological diseases.

AI & Machine LearningBiotechDigital Health

Joseph Loscalzo(Founder | Physician-in-Chief, Brigham and Women's Hospital)Albert-László Barabási(Founder | Professor, Harvard and Northeastern University)

Co-investorsaMoonKhosla VenturesCobalt VenturesEcho Health VenturesHitachi VenturesOptum Ventures+1 more

Whole Biomewholebiome.comJun 2017

Microbiome analysis company using lab science and machine learning to identify markers and interventions.

BiotechSan Francisco, US

John S. Eid, Ph.D.(Executive Officer, Director)Colleen Cutliffe(Executive Officer, Director)James H. Bullard, Ph.D.(Executive Officer)Orville Kolterman, M.D.(Executive Officer)

BoardAdam D'Augelli(Director)Peter Barton Hutt(Director)

Co-investorsKhosla VenturesSequoia CapitalTrue Ventures

Exits · 1

IPOs and acquisitions across the tracked portfolio

Ginkgo BioworksNYSE: DNA

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has B3 Holding made?
B3 Holding has 15 tracked investments, 1 of which have exited via acquisition or IPO.
What sectors does B3 Holding focus on?
B3 Holding focuses on AgTech, Biotech, Digital Health, Energy, Healthtech, Medical Devices, New Materials, Sector Agnostic.
Where is B3 Holding located?
B3 Holding is headquartered in Prague, CZ.
Who does B3 Holding co-invest with?
B3 Holding most often shares deals with Biotech Investments S.R.O, OMX Ventures, SoftBank Vision Fund, among 40 tracked co-investors.

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