Fundraising Fox

VI Partners

Venture capital

Altendorf · Seed–Series B · 15 people tracked

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Investment thesis

VI Partners positions itself as a partner to founders building category-defining companies in Switzerland and Europe. With more than 25 years of experience funding and supporting innovative companies, the firm invests at the Seed and Series A stages and often acts as a lead investor. It emphasizes bringing deep industry expertise and hands-on strategic support to boards and founders, drawing on the operational experience of its managing partners to help companies scale through subsequent rounds.

Source: firm website, verified Aug 3, 2026.

Stage
Seed–Series B
Check
$2.2M – $4.5M
HQ
Altendorf, CH
Leads rounds
Leads
Instruments
Equity
Founded
2001
Last 12 months
1 investment
AUM
$102.6M
Tracked investments
41

Team · 15 people

from the firm's website & public directories
Elmar Schärli· Finance Manager
Irene Seebacher· Finance & Operations Managerin
Susan M. Gasser· Advisor, healthcare and life sciences

What they invest in

from 20 of 41 portfolio companies

Biotech ×9SaaS ×9AI & Machine Learning ×8Medical Devices ×8Healthtech ×7Enterprise Software ×5Deep Tech ×3Fintech ×2

HQs:Switzerland×5Germany×2United States×2Belgium×1Italy×1Netherlands×1

Investments · 41 tracked

founders shown can be your intro path

By year:2026 · 12024 · 12021 · 12015 · 14 dated

Araris Biotechararisbiotech.com✓ verified

Araris develops proprietary antibody-drug conjugate (ADC) linker technology that enables one-step attachment of payloads to native antibodies for targeted cancer therapy.

BiotechMedical DevicesBasel, CH

Dragan Grabulovski(Co-founder and CEO)inPhilipp Spycher(Co-founder and Chief Scientific Officer)Isabella Attinger-Toller(Co-founder)

Co-investorsPureos BioventuresredalpineSamsung Venturesb2ventureKinled Holding

Sequana Medicalsequanamedical.comin𝕏✓ verifiedDefunct

Sequana Medical develops the alfapump system and DSR therapy for treating fluid overload in patients with conditions such as liver disease and heart failure.

BiotechHealthtechMedical DevicesGhent, BE

Co-investorsNewton BiocapitalBlackRockEQT Life SciencesKreos CapitalRosetta Capital Ltd.Bootstrap Europe+2 more

Sibyllasibyllabiotech.itin𝕏✓ verified

Sibylla Biotech develops PPI-FIT, a drug discovery technology that uses quantum physics and mathematical modeling to characterize protein folding pathways at atomic resolution.

AI & Machine LearningBiotechDeep TechTrento, IT

Emiliano Biasini(Co-founder)Pietro Faccioli(Co-founder)Giovanni Spagnolli(Co-founder, CTO)Maria Letizia Barreca(Co-founder)Graziano Lolli(Co-founder)

Co-investors3B Future Health FundCDP Venture CapitalSeroba Life SciencesV-Bio VenturesVertis SGRClaris Ventures

JenaValvejenavalve.comJul 2015

JenaValve manufactures the Trilogy Transcatheter Heart Valve System, an FDA-approved device for treating severe aortic regurgitation in high-risk patients who cannot undergo surgical valve replacement.

HealthtechMedical DevicesIrvine, US

Victoria Carr-Brendel(Executive Officer, Director)Hans-Reiner Figulla(Director)David Drachman(Executive Officer, Director)

BoardErik Amble(Director)Peter Barrett(Director)

Board seatArnd Kaltofen· per SEC Form D

Co-investorsAndera PartnersBain Capital Life Sciences

Ab2 Bio
acodisacodis.ioin

Acodis provides document automation software for pharmaceutical and life sciences companies to extract data from batch records, stability reports, SOPs, and regulatory documents, supporting quality management, operational excellence, regulatory affairs, and compliance functions.

AI & Machine LearningBiotechEnterprise Software

Co-investorsKickstart InnovationSerpentine VenturesSICTIC

Airspeedgoairspeed.comin𝕏Jun 2021

Airspeed builds AI-first products, applying generative AI and large language models to enterprise applications.

AI & Machine LearningEnterprise SoftwareSaaSSales TechVancouver, US

Doug Camplejohn(Executive Officer, Director, Promoter)Adam Liska(Co-Founder & CEO)Devang Agrawal(Founder)

Co-investorsAtlassian VenturesCreator FundDN CapitalFramework Venture PartnersPoint72 Ventures

Almer
Altoidaaltoida.comin𝕏

Altoida operates a digital NeuroMarker Platform that uses neuroscience-driven tasks, machine learning, augmented reality, and sensor data (motion, speech, touch) to detect early cognitive decline.

AI & Machine LearningDigital HealthMedical Devices

Co-investorsAlpana VenturesEisai Innovation, Inc.Hikma VenturesM VenturesPolytech Ecosystem VenturesWhitecap Venture Partners

Amal
Araris
Breast cancer screening Discover
Buynomicsbuynomics.comin

Buynomics builds a Virtual Shoppers AI that integrates multiple data sources to predict shopper behavior and support commercial and pricing decisions for enterprises.

AI & Machine LearningRetail TechSaaSSales Tech

Ingo(Founder/Managing Director)Sebastian(Founder/Managing Director)Sebastian Baier(Founder)inAnton Von Lampe(COO)Mario Koenigsfeld(VP of Revenue)Piotr Malinski(VP Engineering)

Co-investorsAnais VenturesDvH VenturesForestay CapitalInsight PartnersLa FamigliaTomahawk.VC

Flowit
Geospatial Imagery Analysis Discover
Glyphicglyphic.ai

AI copilot for sales teams analyzing customer interactions and optimizing revenue strategies

Co-investorsPoint72 VenturesAtlassian VenturesDN CapitalFramework Venture Partners

Highlife Medical
Inositec
iOncturaionctura.comin𝕏

iOnctura is a clinical-stage drug development company developing precision oral small-molecule therapies targeting the tumor-stroma-immune interface, with a pipeline including roginolisib and cambritaxestat in cancers such as uveal melanoma and pancreatic cancer.

BiotechDeep TechHealthtechMedical Devices

Catherine Pickering(Co-Founder & CEO)inLars van der Veen(Co-Founder & CSO)inMichael Lahn(CMO)inElizabeth Holt(CBO)inSteven Sciuto(CFO)inMichelle Tsai(COO)in

Co-investorsInkef3B Future Health FundM VenturesXGEN Venture

Kadoa
Kuros Bioscienceskurosbio.comin

Kuros Biosciences develops biologic bone graft technologies, including its MagnetOs product, to support bone healing for surgeons and patients in spine, extremities, trauma, and oncology procedures.

BiotechHealthtechMedical Devices

Leaseteqleaseteq.comin

LEASETEQ develops a car financing platform and aims to build a vehicle financing ecosystem in Europe.

FintechMobility & TransportationSaaS

Co-investorsArmada Investment AGMonte Carlo Capital

Ledgy
Merlion
Mila
Morgen
Neocutis
Nexthinknexthink.com

Nexthink is a software company that provides IT departments with real-time analytics, automations, and employee feedback tools to improve digital workplace experiences.

Enterprise SoftwareFuture of WorkSaaS

Co-investorsAdelieForestay CapitalGaldana VenturesHighland EuropeIndex VenturesPermira

Ninoxninoxdb.dein𝕏

Ninox is an AI-native low-code platform that enables teams to build custom business software without coding.

AI & Machine LearningCloud ComputingDeveloper ToolsSaaSBerlin, DE

Frank Böhmer(Founder)

Co-investorsTechstarsHi Inov

Oculisoculis.comin

Oculis is a biopharmaceutical company developing pharmaceutical drug products, with a focus on ophthalmic and eye disease treatments.

BiotechHealthtechMedical DevicesBoston, CH

Riad Sherif(Chief Executive Officer)

Co-investorsBay City CapitalBrunnur Ventures GP

Oplitoplit.comin

Oplit provides a supply chain planning platform that uses optimization algorithms and agentic AI to continuously recompute production plans in real time across factories.

Advanced ManufacturingAI & Machine LearningSaaS

Thibaut Wilhelm(Founder)in

Co-investorsNewfund CapitalEvolem

Oplit
Skribbleskribble.comin𝕏

Skribble provides an electronic signature platform for businesses in the DACH region, offering legally valid e-signatures including the qualified electronic signature (QES) that comply with eIDAS and GDPR.

Enterprise SoftwareLegalTechSaaS

Philipp Dick(Founder)

Co-investorsActon Capital

Skribble
Somagenetixsomagenetix.cominOct 2024

Somagenetix develops gene therapies for phagocyte disorders using a platform based on lentivirus-transduced stem cells designed for one-time treatments with cellular specificity.

BiotechDeep TechHealthtech

Co-investorsVerve Ventures

SumUpsumup.co.ukin𝕏

SumUp provides payment tools and a business app for small businesses such as shops, stalls, and cafés to accept card payments, track sales, and manage money from a phone.

FintechRetail TechSaaS

Co-investorsBain Capital CreditBain Capital Tech OpportunitiesBBVABlackRockFin CapitalGoldman Sachs+2 more

Uniqueunique.chin

Unique provides a platform that accelerates business processes and go-to-market initiatives through generative AI applications and consulting expertise for enterprise clients.

AI & Machine LearningEnterprise SoftwareSaaSZurich, CH

Andreas Hauri(Founder)Manuel Grenacher(Founder)

Co-investorsDN CapitalKickstart Innovation

Visonys
Xeltisxeltis.comin𝕏Aug 2026

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 PartnersYsios CapitalEQT Life SciencesInvest-NL

Xo Life

Portfolio news

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Frequently asked questions

How many investments has VI Partners made?
VI Partners has 34 tracked investments, including 2 dated in the last 24 months.
What stage does VI Partners invest at?
VI Partners invests at the Seed, Series A, Series B stages.
What is VI Partners's typical check size?
VI Partners typically writes checks of $2.2M – $4.5M.
What sectors does VI Partners focus on?
VI Partners focuses on AI & Machine Learning, Biotech, Deep Tech, Enterprise Software, Healthtech, Medical Devices, SaaS.
Where is VI Partners located?
VI Partners is headquartered in Altendorf, CH.
Does VI Partners lead rounds?
Yes, VI Partners leads investment rounds.
Who does VI Partners co-invest with?
VI Partners most often shares deals with Andera Partners, Forestay Capital, Kickstart Innovation, among 34 tracked co-investors.

Media · Podcasts & interviews

featuring the team

🇨🇭 Alain Nicod // VI Partners // Venture Capital Talk by qashqade // Episode #9

Curated · Alain Nicod

Images

VI Partners photoVI Partners photoVI Partners photo

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