Jelte de Boer, Partner at FIR Capital is an active investor based in Amsterdam, North Holland. This profile covers what Jelte de Boer backs, at which stage, and how founders can reach out in 2026.
Partner at FIR Capital, describing himself as a family officer and wealth manager who favors disciplined, patient investing in financial markets.
Jelte de Boer typically invests at Series B and Late Stage Venture.
- Investor type
- Family Office
- Stages
- Series BLate Stage Venture
- Location
- Amsterdam, North Holland
- Typical check
- $5M
How to reach Jelte de Boer
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Cite this page
Round Funded. "Jelte de Boer." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/jelte-de-boer
Frequently Asked Questions
Who is Jelte de Boer?
Jelte de Boer, Partner at FIR Capital is an active investor based in Amsterdam, North Holland. Jelte de Boer typically invests at Series B and Late Stage Venture.
What stage does Jelte de Boer invest at?
Jelte de Boer typically invests at Series B and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Jelte de Boer's typical check size?
Jelte de Boer typically writes checks around $5M. 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.