Sophie Heijenberg

Active Investor

Venture Capital Investor at Graduate Ventures

Amsterdam, North Holland

Sophie Heijenberg, Venture Capital Investor at Graduate Ventures is an active investor based in Amsterdam, North Holland. This profile covers what Sophie Heijenberg backs, at which stage, and how founders can reach out in 2026.

Sophie Heijenberg invests in early-stage deep tech founders solving future challenges, with a background in trading, software sales, private equity, and consulting.

Sophie Heijenberg invests in Hardware & Deep Tech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.

Investor type
VC
Stages
SeedSeries AEarly Stage Venture
Invests in
Hardware & Deep TechArtificial Intelligence
Location
Amsterdam, North Holland
Typical check
$500K

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Round Funded. "Sophie Heijenberg." Round Funded investor database, updated November 3, 2026.

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Frequently Asked Questions

Who is Sophie Heijenberg?

Sophie Heijenberg, Venture Capital Investor at Graduate Ventures is an active investor based in Amsterdam, North Holland. Sophie Heijenberg invests in Hardware & Deep Tech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.

What does Sophie Heijenberg invest in?

Sophie Heijenberg invests in Hardware & Deep Tech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Sophie Heijenberg invest at?

Sophie Heijenberg typically invests at Seed, Series A and Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Sophie Heijenberg's typical check size?

Sophie Heijenberg typically writes checks around $500K. 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.