General Info
Stefan Lennhammer is an individual angel investor based in Stockholm, Stockholms Lan, Sweden. His investment thesis focuses on seed stage investments in the European Union (EU) and Nordic Countries. With a track record of 5 investments, he has notably invested in startups like Proposales, Fan League, and Albacross. Lennhammer’s preferred partnership and collaboration style is individual and he serves as the Chairman at Truecaller. His check size for investments varies, with previous investments ranging from SEK 3.5M to $60M. Lennhammer’s career highlights include leading Truecaller’s Series B and Series C funding rounds. He is known for his hands-on approach and is actively involved in guiding startups through growth phases and successful exits.
Location: Stockholm, Stockholms Lan, Sweden
Country: Sweden
Industries:
Investment Regions: EU, NA
Investment Stages: pre-seed, seed
angel-individual
EU, NA
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🤖 AI Activity Report
Status: very-active
AI Reasoning: I found a press release showing Stefan Lennhammer led an investment in Hybridity on March 14, 2025. The most recent known investment therefore occurred about 7.6 months prior to the evaluation date, which is less than 6 months? Wait recalculating: From March 14, 2025 to Nov 1, 2025 is 232 days (~7.6 months) – that is more than 6 months and less than 12 months. However also there is evidence of Proposales angel on May 9, 2018 earlier. Since the latest investment is March 14, 2025, which is between 6 and 12 months ago, the correct classification is 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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