# Tumbleweed funding rounds and investors

As of 3 Nov 2026, Tumbleweed has raised $7.7M across 1 verified round on record (amounts in other currencies converted to USD); latest: €6.9 million seed round led by PactVC, announced 3 Nov 2026.

Tumbleweed offers microgravity research services and payload shipping to Low-Earth Orbit for various research and commercial applications.

Website: https://tumbleweed.com/  
Headquarters: Vienna  
Page: https://fireround.dev/companies/tumbleweed

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2026-11-03 | Seed | €6.9 million | PactVC | Candace Johnson, EWOR, Prototype Capital, Vanagon Ventures | [tech.eu](https://tech.eu/2026/11/03/tumbleweed-raises-record-eur69m-seed-round-to-bring-microgravity-research-to-the-masses), [eu-startups.com](https://www.eu-startups.com/2026/11/following-austrias-first-commercial-satellite-launch-tumbleweed-raises-e6-9-million-to-accelerate-space-missions), [cdn.sanity.io](https://cdn.sanity.io/files/p4h16y7j/production/8ce976b5eb3bc39bfaaf267cf4390b578ff5093b.pdf) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.