General Info
Ian Rountree is the Founder of Cantos Ventures, focusing on next-generation tech related to climate science, biology, aerospace, and health. Cantos 3 invests in near-frontier startups at pre-seed and seed stages, aiming to mitigate global challenges. The geographical preference is in San Francisco, CA. Cantos has a collaborative approach, filling a gap in the VC landscape by supporting startups with potential global impact.
Location: San Francisco, CA
Country: United States of America
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: Search results show Cantos Ventures (Ian Rountree) made multiple investments in 2025, including Apr 10, 2025 (Remedy Scientific), Jan 29 and Jan 22, 2025, and more recent deals on Sep 18, 2025 and Oct 20, 2025. The most recent known investment by Cantos (associated with Ian Rountree) occurred Oct 20, 2025 (Faeth Therapeutics). Time since last investment: approximately 12 days. This is less than 6 months, so classify as very-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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