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.
tumbleweed.comLinkedInViennaSpaceFounded 202425 people
6 sources · checked 1 time, last 1h ago
Sources agree on the round, amount, lead and named participants. Source 2 describes Pact as the lead, while the company’s release names it PactVC; the release’s wording is used.
| Round | Amount | Announced | Lead | Buzz |
|---|---|---|---|---|
| Seed | $7.7M €6.9 million | 2026-11-03 | PactVC | 4 outlets. #20 in Trending |
6 sources · checked 1 time, last 1h ago [ VERIFIED · CORRECTED ] read against 4 of 6 sources
Sources agree on the round, amount, lead and named participants. Source 2 describes Pact as the lead, while the company’s release names it PactVC; the release’s wording is used. | ||||
Tumbleweed gives researchers, manufacturers, and R&D teams easy access to microgravity by putting their experiments in pre-certified Pods that travel to orbit and, in future missions, return to Earth.
Checked against 8 sources today
Also named as backers in company research: ESA BIC Austria, CASSINI Initiative