Aternus
Family officeTřinec · Series A–Growth · 9 people tracked
Find your way into Aternus
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Investment thesis
Aternus manages and invests its founders' assets where it sees the highest potential returns, while also weighing positive social impact. Its current portfolio is concentrated in private equity, real estate and venture capital funds focused on technology, marketplaces, SaaS, fintech and deep tech, with a smaller allocation to equities and bonds. The firm emphasizes the idea, strategy, communication and above all the quality of the people behind each fund or project. For exceptional, high-potential opportunities it co-invests alongside PE and VC funds, supporting portfolio companies not only with capital but also with expertise in HR, sales, marketing and business strategy.
Source: firm website, verified Sep 20, 2026.
Team · 9 people
from the firm's websiteFounder mafia
2 people who came through Aternus went on to found or lead other companies.
What they invest in
from 8 of 25 portfolio companiesMarketplaces ×4Digital Health ×3Healthtech ×3SaaS ×2AI & Machine Learning ×1Biotech ×1Consumer ×1Data & Infrastructure ×1
HQs:Czechia×2United Kingdom×1Netherlands×1Poland×1United States×1
Investments · 25 tracked
founders shown can be your intro pathBetter Stack is an observability and monitoring platform offering log management, metrics, incident alerting, and status pages for engineering teams, positioned as a cheaper alternative to Datadog.
Data & InfrastructureDeveloper ToolsSaaS
Juraj Masar(Founder)inVeronika Kolejak(Founder)in
Co-investorsK5 GlobalKAYACreandumCredo VenturesFounders FundSusa Ventures
Blueground operates a marketplace of fully furnished apartments available for short-term and flexible leases in major cities worldwide.
MarketplacesPropTech
Co-investorsAlleyCorpEndeavor CatalystJabbar Internet GroupKhosla VenturesKreos CapitalMangrove Capital Partners+5 more
Booksy is a free mobile app for discovering and booking appointments with beauty and wellness service providers such as barbers, hairdressers, massage therapists, and manicurists.
ConsumerMarketplacesChicago, US
Konrad Howard(Executive Officer)Stefan Batory(Founder & CEO)Kristina Salen(Executive Officer)inRipsy Bandourian(Executive Officer)inEwelina Macewicz(Executive Officer)inSelim Dogguy(Executive Officer)in
Co-investorsCoelius CapitalEndeavor CatalystInovia CapitalInovo VCKAYAManta Ray Ventures+9 more
Docplanner operates a healthcare platform connecting patients with doctors and providing software for medical practices to manage appointments, online presence, and reputation.
Digital HealthMarketplacesSaaSAmsterdam, NL
Mariusz Gralewski(Founder & CEO)in
Co-investorsAspire11BY Venture PartnersD&FG ElementsEBRD Venture Capital Investment ProgrammeEndeavor CatalystFJ Labs+7 more
Jutro Medical operates primary care clinics (POZ) in Poland offering telemedicine and in-person visits under the public NFZ system, with an app for booking appointments and accessing prescriptions, test results, and recommendations.
Digital HealthHealthtechWellness & Fitness
Adam Janczewski(Founder)in
Co-investorsInovo VCKAYAKogito VenturesMarket One CapitalnaturalX Health VenturesRheingau Founders+5 more
PHF is a Czech investment fund that acquires and operates healthcare businesses, building the country's largest network of general practitioner clinics for adults alongside pediatric care, follow-up nursing care, home care, and specialist diagnostics.
Digital HealthHealthtechImpact & Social GoodPrague, CZ
Marcel Kotásek(Investment Director)
Rohlik is a leading European e-grocery retailer operating in the Czech Republic, Hungary, Austria, Germany, and Romania, delivering fresh groceries and durable goods through its own logistics network and mobile app.
E-commerceFoodTechLogistics & Supply ChainMarketplacesPrague, CZ
Tomáš Čupr(Founder)inOlin Novákin
Co-investorsIndex VenturesKAYAMITONPartech VenturesQuadrille CapitalSofina+1 more
Sensible Biotechnologies develops a cell-based mRNA design and manufacturing platform that produces pure, low immunogenicity mRNA therapeutics for drug development.
AI & Machine LearningBiotechDeep TechHealthtechOxford, GB
Miroslav Gasparek(Founder)inMarian Kupculak(Founder)in
BoardVishal Gulati(Director)Joel Schoppig(Director)
Co-investorsCivilization Ventures Management, LlcKAYARecode VenturesY CombinatorZAKA VCAmino Collective+8 more
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Amino CollectiveArt of FinanceCS4, CS5, Crossover 2DaytripDirlangoEnern Tech 2InovoJET InvestmentsKaya VLAND IIOTB VenturesPalác Karlín PrahaRSJ Development IIIRSJ Development VRSJ Logistic InvestmentsThe Form VaršavaWestfield
Portfolio news
latest coverage across their companiesJutro Medical · eu-startups.com · Dec 16, 2025
Frequently asked questions
- How many investments has Aternus made?
- Aternus has 25 tracked investments.
- What stage does Aternus invest at?
- Aternus invests at the Series A, Series B, Growth stages.
- What sectors does Aternus focus on?
- Aternus focuses on AI & Machine Learning, Cybersecurity, Deep Tech, Fintech, Healthtech, Logistics & Supply Chain, Marketplaces, PropTech, SaaS, Sector Agnostic, Space Tech.
- Where is Aternus located?
- Aternus is headquartered in Třinec, CZ.
- Who does Aternus co-invest with?
- Aternus most often shares deals with KAYA, Endeavor Catalyst, Kreos Capital, among 32 tracked co-investors.
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