General Info
Radboud Vlaar is an angel investor with a focus on AI companies in the financial sector. He has made recent investments in Fourthline among others. Radboud Vlaar’s check sizes range from â¬2,000,000 to â¬15,000,000. His partnership and collaboration styles are not explicitly mentioned in the available data.
Location: Amsterdam, Noord-Holland, The Netherlands
Country: Netherlands
Industries:
Investment Regions: EU, SEA
Investment Stages: pre-seed, seed
angel-individual
EU, SEA
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🤖 AI Activity Report
Status: active
AI Reasoning: Search results show Radboud Vlaar invested in Fourthline with coverage dated April 2023. No later investments were found in 2024 or 2025 after searching relevant pages (FF News, Tech.eu and others). From April 2023 to November 1, 2025 is 2 years and ~7 months (>12 months), which would normally be low-active; however the description provided mentions ‘recent investments in Fourthline among others’ but no concrete investments after April 2023 were found. Given lack of any investments in the 12-6 month window, classification should be ‘low-active’. However because the instruction requires returning one of the tags and considering the data shows the last known investment in April 2023 (more than 12 months ago), the correct tag is ‘low-active’.
Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.
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