Fundraising Fox

Ysios Capital

Venture capital

Barcelona · Series A–Late Stage · 25 people tracked

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Investment thesis

Ysios Capital focuses on financing highly innovative life sciences and biotech ventures across the globe. The firm backs companies developing novel therapies targeting indications with high unmet medical needs, aiming to deliver a positive impact on patients and society. Its investment approach centers on supporting biotech ventures with the resources needed to advance drug candidates toward clinical development and market.

Source: firm website, verified Aug 3, 2026.

Stage
Series A–Late Stage
Check
$5.4M – $21.6M
HQ
Barcelona, ES
Leads rounds
Follows
Instruments
Equity
Founded
2008
AUM
$500M
Tracked investments
49

Team · 25 people

from the firm's website & public directories
Joan Perelló· Managing Partnerin
Wen Wen Cheng· General Counsel and Head of ESGin

What they invest in

from 41 of 49 portfolio companies

Biotech ×34Healthtech ×31Medical Devices ×18Digital Health ×9Deep Tech ×5FemTech ×3Hardware ×1Impact & Social Good ×1

HQs:United States×12Denmark×3Spain×3Netherlands×2Switzerland×1France×1

Investments · 49 tracked

founders shown can be your intro path

By year:2025 · 12024 · 12022 · 12020 · 12017 · 15 dated

Aura Biosciencesaurabiosciences.comin𝕏NASDAQ: AURA

Aura Biosciences develops Virus-Like Drug Conjugates (VDCs), a platform using Virus-Like Particles conjugated with drugs or loaded with nucleic acids to target solid tumors.

BiotechHealthtechMedical DevicesCambridge, US

Elisabet de los Pinos, Ph.D.(Executive Officer, Director)Elisabet de los Pinos(Founder)inMichael Wyzga(Executive Officer)Dale Pfost, Ph.D.(Director)Alan E. Walts, Ph.D.(Director)Lewis Geffen(Executive Officer)

Co-investorsAdvent Life SciencesChiesi VenturesDroia VenturesForesite CapitalJazzya InvestmentsMedicxi+4 more

CVRxcvrx.comin𝕏NASDAQ: CVRXJul 2020

CVRx develops Barostim, an implantable medical device that uses baroreceptor activation to treat heart failure patients and improve their functional capacity and quality of life.

BiotechHealthtechMedical DevicesAustin, US

Craig Palmer(Executive Officer)Nadim Yared(Executive Officer, Director)Dean Bruhn-Ding(Executive Officer)John Brintnall(Executive Officer)Liz Galle(Executive Officer)

BoardGeoff Pardo(Director)

Co-investorsNew Enterprise Associates (NEA)Treo Ventures, LlcWindham Capital PartnersHatteras Venture PartnersVensana Capital

KALA BIOkalarx.comNASDAQ: KALA

BiotechArlington, US

Darius Kharabi(Executive Officer)Todd Bazemore(Executive Officer)Mark Iwicki(Executive Officer, Director)Mary Reumuth(Executive Officer)Kim Brazzell(Executive Officer)Charles McDermott(Executive Officer)

Co-investorsLongitude CapitalSR One Capital ManagementAtlas VentureLux CapitalThird Rock Ventures

Mineralys Therapeuticsmineralystx.comin𝕏NASDAQ: MLYSJun 2022

Mineralys Therapeutics is a clinical-stage pharmaceutical company developing lorundrostat, a treatment targeting dysregulated aldosterone.

BiotechHealthtechRadnor, US

Eric Warren(Chief Commercial Officer)Alex Gold(Chief Medical Officer)Adam Levy(Executive Officer)Alexander Asam(Director)

BoardBrian Taylor Slingsby(Founder & former CEO / Board Director)Olivier Litzka(Director)in

Co-investorsAndera PartnersSamsara BioCapitalSR One Capital ManagementBoulder VenturesCatalys PacificRA Capital

Engrail Therapeuticsengrail.comin✓ verified

Engrail Therapeutics is a clinical-stage pharmaceutical company developing precision-targeted therapeutics for neupropsychiatric and neurodevelopmental disorders.

BiotechDigital HealthMedical DevicesSan Diego, US

Stephen(Co-founder, EVP Research & Development and Chief Development Officer)Paul Cayer(Chief Financial Officer)Vikram(President and Chief Executive Officer)Kimberly(Chief Scientific Officer)Quentin(Chief Technical Officer)

Co-investorsForesite CapitalLongwood FundNorwest Venture PartnersRiverVest Venture Partnersabrdn plcEight Roads Ventures+4 more

Kynexiskynexistx.comin𝕏✓ verified

Kynexis is a clinical-stage biotech developing KYN-5356, an oral small-molecule KAT-II inhibitor targeting the kynurenine pathway to improve cognition in neurological diseases.

BiotechDeep TechHealthtech

Robert Schwarcz(Scientific Co-founder)Carol Tamminga(Scientific Co-founder & Chair of the SAB)Christer Köhler(Founding Director)Kees Been(Chief Executive Officer)inJens Wendland(Chief Medical Officer)inNeil Swami(Chief Business Officer)

Co-investorsForbionNovartis Venture FundSunstone Capital

Splice Biosplice.bioin𝕏✓ verified

SpliceBio develops genetic medicines using a proprietary protein splicing platform to treat diseases caused by mutations in large genes.

BiotechDeep TechDigital HealthBarcelona, ES

Dr. Vila-Perelló(CEO)Dr. Frutos(Co-founder)

Co-investorsNovartis Venture FundRoche Venture FundSanofi VenturesAsabys PartnersCriteria Bio VenturesNew Enterprise Associates (NEA)+2 more

Vivet Therapeuticsvivet-therapeutics.comin𝕏✓ verified

Vivet Therapeutics is a clinical-stage biotechnology company developing recombinant adeno-associated virus (rAAV) gene therapies for rare, inherited metabolic diseases, including Wilson's Disease and cerebrotendinous xanthomatosis.

BiotechHealthtechParis, FR

Co-investorsHealthCapKurma PartnersNovartis Venture FundRoche Venture FundColumbus Venture PartnersEurazeo+1 more

Adcendoadcendo.dk

Adcendo develops antibody-drug conjugates (ADCs) engineered to treat cancers with high unmet medical needs.

BiotechDigital HealthMedical Devices

Co-investorsVida VenturesJeito Capital

AELIX Therapeuticsaelixtherapeutics.comin𝕏

AELIX Therapeutics is a company developing a therapeutic HIV vaccine intended for use in HIV cure and eradication strategies.

BiotechHealthtechBarcelona, ES

Co-investorsCriteria Bio Ventures

AM Pharmaam-pharma.comin

AM-Pharma develops ilofotase alfa, a recombinant alkaline phosphatase enzyme therapy, and is studying it as a treatment for adults with hypophosphatasia (HPP), a rare inherited metabolic bone disease.

BiotechHealthtech

Co-investorsAndera PartnersKurma Partners

Anaconda Biomedanaconda.bioin𝕏

Anaconda Biomed develops neurovascular medical devices, including the ANA funnel-based aspiration catheter, for endovascular treatment of acute ischemic stroke from large vessel occlusion, such as mechanical thrombectomy.

HardwareHealthtechMedical DevicesBarcelona, ES

Co-investorsAsabys PartnersEuropean Investment BankInnogest Capital

Babyscriptsbabyscripts.comin𝕏

Babyscripts provides a maternity care platform with remote patient monitoring, risk screening, and care management services for pregnant and postpartum patients.

Digital HealthFemTechHealthtech

Co-investorsCU Healthcare Innovation FundMemorialCare Innovation FundPhilips VenturesBuilders + BackersCivilization Ventures Management, LlcIrishAngels+4 more

Babyscriptsgetbabyscripts.comin𝕏

Babyscripts offers a maternity care platform with remote patient monitoring, risk screening, and care management services for prenatal and postpartum patients.

Digital HealthFemTechHealthtech

Co-investorsAAF Management Ltd.IrishAngels

BioVexin𝕏

Amgen is a biopharmaceutical company that develops and manufactures therapeutics targeting oncology, cardiovascular disease, inflammation, bone health, neuroscience, and other serious illnesses.

BiotechDigital HealthHealthtechMedical DevicesThousand Oaks, US

George B. Rathmann(First CEO)

BoardWilliam K. Bowes

Co-investorsAsset Management CompanyBOMCWRU Technology VenturesMayfield FundUS Venture Partners

Clementiaipsen.comin𝕏

Ipsen is a biopharmaceutical group that publishes financial, legal, and non-financial reporting for shareholders, investors, and the public through documents such as its Universal Registration Document.

BiotechHealthtech

Co-investorsNew Enterprise Associates (NEA)

Corwavecorwave.comin𝕏

CorWave is a medical device company developing heart-assist pumps designed as a physiological solution for patients with heart failure.

Deep TechHealthtechMedical Devices

Co-investorsSofinnova Partners

Cytoki Pharmacytokipharma.com

Cytoki Pharma is a clinical-stage biotechnology company developing IL-22-based medicines for metabolic diseases such as obesity and type 2 diabetes, and conditions involving epithelial injury like inflammatory bowel disease.

BiotechHealthtechVærløse, DK

Rasmus Jorgensen(Founder)

Co-investors+ND CapitalSeventure Partners

EndoSensecardiovascular.abbottin𝕏

Abbott's cardiovascular division provides cardiac and vascular medical devices and technologies, including electrophysiology products for treating conditions such as AFib and remote hemodynamic monitoring for heart failure.

HealthtechMedical Devices

Co-investorsAndera Partners

Fusion Pharmaceuticalsfusionpharma.comin𝕏

Fusion Pharma develops targeted alpha therapeutics that link alpha-emitting medical isotopes to molecules targeting biomarkers on cancer cell surfaces to selectively kill tumor cells.

BiotechHealthtech

Co-investorsFACIT (Fight Against Cancer Innovation Trust)HealthCapLumira VenturesSeroba Life SciencesVenture OntarioAdams Street Partners+2 more

Galecto Biotechgalecto.comin

Damora Therapeutics is a biotechnology company developing subcutaneous biologics as targeted, disease-modifying treatments for patients with mutant calreticulin (mutCALR)-driven myeloproliferative neoplasms such as essential thrombocythemia and myelofibrosis.

BiotechMedical Devices

Jennifer Jarrett(Chief Executive Officer & Board Director)Sherwin Sattarzadeh(Chief Operating Officer)Becker Hewes(Chief Medical Officer)Garrett Winslow(General Counsel)Jim Baker(Chief Corporate Affairs Officer)Brian Burkavage(Senior Vice President, Finance)

Co-investorsEIR VenturesHadean VenturesM VenturesSEED Capital DenmarkSunstone CapitalMaverick Ventures+1 more

Inbiomotioninbiomotion.com

Inbiomotion develops the MAF Test, a biomarker diagnostic based on MAF gene expression that helps doctors select early breast cancer patients for adjuvant bisphosphonate treatment.

BiotechDigital HealthMedical Devices

Co-investorsCriteria Bio VenturesAlta Life SciencesAsabys Partners

Kidneykidney.orgin

The National Kidney Foundation is a nonprofit organization focused on kidney disease, providing patient education, emotional support, and resources for patients, families, living donors, and transplant recipients.

HealthtechImpact & Social Good

Co-investorsBioGeneration VenturesEpidarex CapitalRoche Venture FundScottish National Investment BankSofinnova Partners

LAVA Therapeuticslavatherapeutics.comin𝕏

LAVA Therapeutics develops bispecific gamma delta T cell engager immunotherapies through its Gammabody platform, designed to activate Vγ9Vδ2 T cells to target and kill cancer cells.

BiotechHealthtech

Co-investorsMRL Ventures FundSanofi Ventures

Memo Therapeuticsmemo-therapeutics.cominMay 2024acquired by Clementia

Memo Therapeutics AG is a late-stage biotech company developing therapeutic antibodies for patients with viral infections and cancer.

BiotechMedical Devices

Co-investorsAdjuvant CapitalFresenius Medical Care VenturesKurma PartnersPureos BioventuresVerve Venturesredalpine

Minoryx Therapeuticsminoryx.comin

Minoryx is a biopharmaceutical company that discovers and develops drug treatments for severe orphan diseases of the central nervous system, such as cerebral adrenoleukodystrophy and Rett syndrome.

BiotechHealthtech

Co-investorsChiesi VenturesCriteria Bio VenturesFund+Invivo Capital PartnersKurma PartnersRoche Venture Fund+1 more

NASDAQ: AURA
NASDAQ: CVRX
NASDAQ: FUS
NASDAQ: GLTO
NASDAQ: KALA
NASDAQ: LVTX
NASDAQ: MLYS
NCT05101187clinicaltrials.gov

ClinicalTrials.gov is a public registry and results database of clinical studies conducted around the world, maintained by the U.S.

Digital HealthHealthtech

Co-investorsAdvent Life Sciences

Neurona Therapeuticsneuronatherapeutics.cominApr 2025 · $102M

Neurona is a clinical-stage biotherapeutics company developing allogeneic, off-the-shelf regenerative neural cell therapies that integrate into neural circuits to treat chronic neurological disorders.

BiotechHealthtechSouth San Francisco, US

Cory Nicholas(Executive Officer, Director, Promoter)James Stutz(Executive Officer)Arnold Kriegstein(Director)

BoardPeter Svennilson(Director)inTim Kutzkey(Director)Ray Kelleher(Director)

Co-investorsBerkeley FrontierIaso VenturesThe Column GroupAlexandriaFidelity InvestmentsLYFE Capital+7 more

Northsea Therapeuticsnorthseatherapeutics.comin

NorthSea Therapeutics is a late-stage clinical biotechnology company developing structurally engineered fatty acids (SEFAs) as oral treatments for metabolic, cholestatic, and fibrotic diseases.

BiotechHealthtech

Co-investorsNew Science VenturesvenBio PartnersSofinnova Ventures

Ona Therapeuticsona-therapeutics.comin𝕏

Ona Therapeutics is a biotechnology company developing first-in-class antibody drug conjugates (ADCs) and antibody therapies targeting the molecular biology of treatment-refractory advanced cancers.

BiotechHealthtech

Co-investorsFund+KorysMérieux Equity PartnersAlta Life SciencesAsabys PartnersBpifrance+2 more

Oxtheraoxthera.com

OxThera is a privately-held biopharmaceutical company developing Oxabact, an orally administered enteric biotherapy that promotes secretion and degradation of oxalate in the gut to reduce kidney burden.

BiotechHealthtechMedical DevicesStockholm, SE

Co-investorsSunstone Capital

Prexton Therapeuticsprextontherapeutics.cominacquired by Lundbeck

Prexton Therapeutics was a biopharmaceutical company developing novel therapies for Parkinson's disease, including its lead mGluR4 modulator candidate foliglurax.

BiotechHealthtechMedical DevicesCopenhagen, DK

Co-investorsCardinal PartnersM VenturesSeroba Life SciencesSunstone Capital

ReproNovorepronovo.comin

ReproNovo is a biopharmaceutical company developing therapies for fertility and women's health, targeting male infertility (low testosterone/sperm production), female fertility (embryo implantation and IVF/ICSI success), and adenomyosis.

BiotechFemTechHealthtech

Co-investorsJeito CapitalM Ventures

Sanifitsanifit.comin𝕏

CSL is a biotechnology company that develops and manufactures plasma-derived and other therapies, including biotherapies for rare and serious diseases, vaccines, and treatments for iron deficiency and kidney disease.

BiotechHealthtechMedical Devices

Joan Perello Bestard(Founder)inCris Calsadain

Co-investorsAndera PartnersCriteria Bio VenturesInvivo Capital Partners

SparingVision’s websitesparingvision.comin𝕏

SparingVision is a genomic medicine company developing gene therapies for ophthalmic diseases, including SPVN06, a neuroprotective gene therapy for retinal conditions.

BiotechDeep TechDigital Health

Co-investorsAdBio partnersJeito Capital

STAT Dxqiagen.comin𝕏

QIAGEN provides sample preparation and molecular testing technologies, including automated DNA/RNA extraction, digital PCR, and syndromic testing systems.

BiotechHealthtechMedical Devices

Co-investorsHarmonic Growth PartnersPfizer Venture Investments

Synendossynendos.comin

Synendos Therapeutics is a clinical-stage neuroscience company developing therapies that target the Endocannabinoid System to treat neuropsychiatric disorders at their root cause.

BiotechDeep TechMental Health

Co-investorsKurma PartnersSunstone Capital

Tagworks Pharmaceuticalstagworkspharma.comin𝕏

Tagworks Pharmaceuticals develops cancer therapies using its Click-to-Release platform, a chemical reaction that activates antibody-drug conjugates (ADCs), masked immunomodulators, and other prodrugs on-target while deactivating radioimmunotherapies off-target.

BiotechHealthtechMedical DevicesNijmegen, NL

Co-investorsBifLightstone VenturesNew Enterprise Associates (NEA)Novartis Venture FundGilde Healthcare

TiGenixtakeda.comin𝕏Nov 2017

Takeda is a global pharmaceutical company that develops medicines and treatments for patients, focused on advancing science, technology, and partnerships to create new standards of care.

BiotechHealthtechTokyo, JP

Claudia D'Augusta(Executive Officer)Eduardo Bravo Fernandez de Araoz(Executive Officer, Director)Marie Paule Richard(Executive Officer)Wilfried Dalemans(Executive Officer)

BoardJune Almenoff(Director)Russell Greig(Director)

Co-investorsKleiner PerkinsRho VenturesKreos Capital

VarmXvarmx.comin

VarmX is developing VMX-C001, a universal bypassing agent designed to restore blood coagulation in patients taking Factor Xa Direct Oral Anticoagulants (FXa-DOACs).

BiotechMedical Devices

Co-investorsSound BioventuresUNIIQBGVBioGeneration VenturesEICEQT Life Sciences+2 more

Xeltisxeltis.comin𝕏

Xeltis is a medtech company developing bioresorbable vascular implants, such as its aXess conduit for hemodialysis access, that are gradually replaced by the patient's own living tissue.

BiotechHealthtechMedical Devices

Eliane Schutte(CEO)

Co-investorsKurma PartnersVI PartnersEQT Life SciencesInvest-NL

Exits · 6

IPOs and acquisitions across the tracked portfolio

Aura BiosciencesNASDAQ: AURACVRxNASDAQ: CVRXKALA BIONASDAQ: KALAMineralys TherapeuticsNASDAQ: MLYSMemo Therapeuticsacq. by ClementiaPrexton Therapeuticsacq. by Lundbeck

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Ysios Capital made?
Ysios Capital has 49 tracked investments, 2 of which have exited via acquisition or IPO, including 1 dated in the last 24 months.
What stage does Ysios Capital invest at?
Ysios Capital invests at the Series A, Series B, Series C, Late Stage stages.
What is Ysios Capital's typical check size?
Ysios Capital typically writes checks of $5.4M – $21.6M.
What sectors does Ysios Capital focus on?
Ysios Capital focuses on Biotech, Healthtech, Medical Devices.
Where is Ysios Capital located?
Ysios Capital is headquartered in Barcelona, ES.
Does Ysios Capital lead rounds?
Ysios Capital typically participates in rounds rather than leading them.
Who does Ysios Capital co-invest with?
Ysios Capital most often shares deals with Kurma Partners, Andera Partners, Criteria Bio Ventures, among 78 tracked co-investors.

Media · Podcasts & interviews

featuring the team

Joël Jean-Mairet, General Partner, Ysios Capital

biospaincongress · Joël Jean-Mairet

Bioinvestment - Interview with Karen Wagner (Ysios Capital)

Labiotech.eu · Karen Wagner

Images

Ysios Capital photoYsios Capital photoYsios Capital photoYsios Capital photoYsios Capital photoYsios Capital photo

Co-investors · 25

Kurma Partners

Kurma Partners is a European healthcare-focused investment firm that co-founds and finances biotech and healthcare companies, working closely with research centers to translate scientific discoveries into high-tech companies.

$162K – $10.8M
Andera Partners

Andera Partners is an asset management firm specializing in private equity that partners with companies and their management to support sustainable growth. It has backed 377 companies over more than 20 years.

New Enterprise Associates (NEA)

New Enterprise Associates (NEA) is a venture capital firm that invests in and provides long-term support to founders building new companies.

$200K – $40M
Novartis Venture Fund

The Novartis Venture Fund invests in innovative life science companies, focusing on biotechnology and biopharmaceuticals at various stages of growth, aiming to drive patient benefit and generate returns.

$5M – $25M
Roche Venture Fund

Roche Venture Fund is a corporate venture arm that invests in early-stage biotech and diagnostics companies across more than 10 countries, with a portfolio exceeding 30 portfolio companies. The fund is headquartered in Basel, Switzerland.

$648K – $3.2M
Columbus Venture Partners

Columbus Venture Partners is a Spanish life science venture fund focused on biotechnology therapeutics and industrial products that combine therapeutic innovation with infrastructure development to create complete value chains.

Asabys Partners

Asabys Partners is a healthcare and life sciences venture capital firm that invests in innovative science and medical technologies to improve patients' lives.

EQT Life Sciences

EQT Life Sciences, formerly LSP, is one of Europe's largest and most experienced life sciences investors, backing companies developing therapeutics, medical devices, diagnostics and healthtech globally. It is part of EQT Group.

$11M – $66M
OrbiMed

OrbiMed is a global healthcare-focused investment firm providing financing and operational support to companies across biopharmaceuticals, medical devices, digital health, diagnostics, and healthcare services.

$1M – $75M
Forbion

Forbion is a global venture capital firm focused on advancing biotech innovations and sustainable solutions aimed at improving human and planetary health.

Sanofi Ventures

Sanofi Ventures is the corporate venture capital arm of Sanofi, investing in early-stage biotech and digital health companies focused on improving human health. It serves as Sanofi's entry point into the innovation ecosystem.

$5M
HealthCap

HealthCap is a life science venture capital investor and company creator that backs innovative healthcare ideas, people, and companies aiming to impact healthcare and society.

13 more co-investors

Atlas VentureRA CapitalThird Rock VenturesSeventure PartnersInkefVida Ventures+ND CapitalXtripe AngelsVersant VenturesVsquared VenturesPontifax Venture CapitalJMI EquityAction Potential Venture Capital Ltd.

Firms observed investing alongside Ysios Capital, from public investor directories. Shared companies are the overlap with Ysios Capital's recorded portfolio.

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