Investment thesis
Backs pre-seed to growth AI-first companies in frontier models, infrastructure, autonomous systems and robotics.
Air Street Capital writes tickets between 500k and 10M at Series A. Reported fund size: $232M (Fund III). Sesamers tracks 1 portfolio company across 1 round, 1 of them as lead investor. Its most recent tracked deal: Jack & Jill, Sep 2026.
Portfolio
Past investments
| Company | Round | Role | Date | Round size |
|---|---|---|---|---|
| Jack & Jill London, United Kingdom Read the announcement → | Series A | Lead | Sep 2026 | €34.9M |