Portfolio Companies 2026 for Jaan Tallinn: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
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 portfolio 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).