2026-06-03
Upstream raises $3M Pre-Seed
Paris-based Upstream raised $3M in a Pre-Seed.
Round at a Glance
| Company | Upstream |
| HQ | Paris, France |
| Amount | $3M |
| Round | Pre-Seed |
| Date | 2026-06-03 |
| Valuation | Not disclosed |
| Total Disclosed Funding | Not disclosed |
Company Snapshot
Upstream is a France-based AI-native inbox company. According to the company's public materials, the product helps teams collaborating with AI agents with embedding AI agents into inbox workflows so humans and agents can collaborate on email.
Investors in This Round
| Investor | Investor HQ Country | Notes |
|---|---|---|
| Y Combinator | United States | Participant |
| Connect Ventures | United Kingdom | Participant |
| Roosh Ventures | Ukraine | Participant |
Known Cap Table
| Investor | Round(s) | Investor HQ Country |
|---|---|---|
| Y Combinator | Pre-Seed | United States |
| Connect Ventures | Pre-Seed | United Kingdom |
| Roosh Ventures | Pre-Seed | Ukraine |
Total disclosed funding: $3M across 1 round.