What does Jaan Tallinn invest in?
Jaan Tallinn invests most often at Seed and Series A (82% of the rounds on record).
Estonia · Investor
Last cheque observed Feb 2026; 23 cheques on record.
Deploying nowNew fund $69M, Sept 2025VC firm
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1 cheques in the last 12 months
Mostly Seed and Series A: 82% of its rounds
Sole investor in 2 rounds, median $385K
Filed 1 private fund offerings with the SEC, the most recent in 2025-09From their own website
Every round we can evidence, newest first23 appearances
1 round
1 round
2 rounds
2 rounds
1 round
5 rounds
8 rounds
3 rounds
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
Named by the firm itself, on a filing, its Form ADV or its company registration2 named
We also hold 2 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
The investors most often in the same rounds as Jaan Tallinn. A count of rooms they were both in, not a relationship either has claimed.
The latest companies Jaan Tallinn put money into.
2 episodes naming Jaan Tallinn in the title, and 1 more that mention it.

Jaan Tallinn would like us to survive
MentionsJaan Tallinn

EP 72: Jaan Tallinn (Co-Founder, Skype) on Lessons from Skype, Giving SBF $100M & Investing in AI
MentionsJaan TallinnElon Musk
Jaan Tallinn invests most often at Seed and Series A (82% of the rounds on record).
23 investments on record, 1 of them in the last 12 months. The most recent was in Feb 2026.
Its most recent investments on record: ZaiNar (Series B, Feb 2026), Lightyear (Series B, Jul 2025) and JetPack (Seed, Nov 2019).
The median round it joins is $4.8M.
Rarely, if at all: none of its 23 investments on record names it as the lead.
Most of the companies it backs are in the United States (52%) and Estonia (43%).
Yes: it is actively investing, with 1 investments in the last 12 months.
Most often Sten Tamkivi (3 rounds together), Ahti Heinla (2 rounds together) and Andreessen Horowitz (2 rounds together).
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it