Jaan Tallinn

Jaan Tallinn accounts for 5 tracked companies with verified cap-table data, 5 of which disclose round sizes totalling $412M. The median disclosed raise is $100M, and the largest is Aerones at $114M, ahead of ZaiNar ($100M) and Zyphra ($100M).

The names that recur most often on these co-invested cap tables are Jaan Tallinn (5 companies), Lightrock (1 company), Haniel (1 company), Change Ventures (1 company), Future Positive Capital (1 company), Y Combinator (1 company). By latest disclosed round, the market skews Series B (2), Series A (2).

• Companies tracked: 5
• Disclosed funding total: $412M across 5 companies
• Median disclosed raise: $100M
• Largest raise: Aerones — $114M
• Stage mix: Series B 2 · Series A 2
• Most recent dated round: 2026-02-19

Best funded Jaan Tallinn companies

1. Aerones — $114M (latest: Series B)
2. ZaiNar — $100M
3. Zyphra — $100M (latest: Series A)
4. Faculty AI — $60M (latest: Series B)
5. Rain AI — $38M (latest: Series A)

Jaan Tallinn — related firms and companies (47)

• Aerones
• ZaiNar
• Zyphra
• Faculty AI
• Rain AI
• Jaan Tallinn portfolio companies 2026
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Jaan Tallinn profile · All research reports