Sebastiaan Winkenius
Investment Manager at Waterland Private Equity
Amsterdam, North Holland
Sebastiaan Winkenius, Investment Manager at Waterland Private Equity is an active investor based in Amsterdam, North Holland. This profile covers what Sebastiaan Winkenius backs, at which stage, and how founders can reach out in 2026.
Sebastiaan Winkenius is an Investment Manager at Waterland Private Equity.
Sebastiaan Winkenius invests in SaaS & Enterprise, Consumer & Retail, Healthcare & Biotech and Fintech, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- PE
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- SaaS & EnterpriseConsumer & RetailHealthcare & BiotechFintechMedia & Content
- Location
- Amsterdam, North Holland
- Typical check
- $3.8M
How to reach Sebastiaan Winkenius
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About this profile
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Round Funded. "Sebastiaan Winkenius." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/sebastiaan-winkenius
Frequently Asked Questions
Who is Sebastiaan Winkenius?
Sebastiaan Winkenius, Investment Manager at Waterland Private Equity is an active investor based in Amsterdam, North Holland. Sebastiaan Winkenius invests in SaaS & Enterprise, Consumer & Retail, Healthcare & Biotech and Fintech, typically at Early Stage Venture and Late Stage Venture.
What does Sebastiaan Winkenius invest in?
Sebastiaan Winkenius invests in SaaS & Enterprise, Consumer & Retail, Healthcare & Biotech and Fintech, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Sebastiaan Winkenius invest at?
Sebastiaan Winkenius typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Sebastiaan Winkenius's typical check size?
Sebastiaan Winkenius typically writes checks around $3.8M. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.