Fundraising FoxSeido Capital
Venture capitalBrussels · Pre-Seed–Late Stage · 7 people tracked
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Investment thesis
Seido Capital invests in life sciences, biotech, and deep tech ventures across the healthcare sector, backing founders from pre-seed through Series B and up to IPO. The firm concentrates on three sub-sectors: biotech (therapeutics and research), life sciences (medical devices, diagnostics, and digital health), and AI applied to healthcare. It seeks projects with high growth potential, rapid international expansion, and clear mid-term exit paths. Beyond capital, Seido offers strategic guidance, operational support, and access to a network of co-investors. Its five-phase process spans early project reinforcement with academic and incubator partners, rigorous qualification, investment committee review, deal structuring blending dilutive and non-dilutive capital, and long-term post-investment partnership. Seido evolved from the Theodorus-ULB spin-off model and is based in North America.
Source: firm website, verified Oct 26, 2026.
Team · 7 people
from the firm's website & curated & public directories
Led the strategic management of the Theodorus Fund for over two decades under the Theodorus-ULB spin-off initiative before launching Seido Capital in North America.
General Partner who joined in 2018, with a venture capital background, and part of the leadership transitioning the Theodorus model to North America.
Principal who joined in 2020, specializing in biotech.
Vice President of Finance and Operations who joined in 2025, with expertise in financial management.
Capital Formation Analyst who joined in 2025, with a background in biomedical sciences.
Investment Analyst who joined in 2025, with a background in biomedical sciences.
What they invest in
from 2 of 3 portfolio companiesAI & Machine Learning ×1Biotech ×1Deep Tech ×1Enterprise Software ×1Healthtech ×1Impact & Social Good ×1Medical Devices ×1SaaS ×1
HQs:Belgium×2
Investments · 3 tracked
founders shown can be your intro path
CluePoints is a company focused on integrating ESG criteria into its operations and driving sustainability initiatives across environmental, social, and governance dimensions.
AI & Machine LearningEnterprise SoftwareHealthtechImpact & Social GoodSaaSBelgium, BE
Co-investorsNivelinvestSummit PartnersEQT
Theodorus is a venture capital firm that finances seed and early-stage life sciences and high-tech companies, managing over €38M across four funds.
BiotechDeep TechMedical DevicesBrussels, BE
Co-investorsFinance.BrusselsFonds de solidarité FTQSambrinvestSofinaTeralys CapitalAkiles+1 more
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
MaSTherCell
Exits · 1
1 acquisitionsCluePointsacq. by Eqt
Frequently asked questions
- What stage does Seido Capital invest at?
- Seido Capital invests at the Pre-Seed, Seed, Series A, Series B, Growth, Late Stage stages.
- What is Seido Capital's typical check size?
- Seido Capital typically writes checks of $270K – $2.7M.
- What sectors does Seido Capital focus on?
- Seido Capital focuses on AI & Machine Learning, Biotech, Deep Tech, Digital Health, Healthtech, Longevity, Medical Devices.
- Where is Seido Capital located?
- Seido Capital is headquartered in Brussels, BE.
- Does Seido Capital lead rounds?
- Yes, Seido Capital leads investment rounds.
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