Space

Tumbleweed Raises €6.9M to Build its Own Reentry Vehicle

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 03/11/2026, 08:05:25 UTC.

Briefings

Vienna-based startup Tumbleweed closed a €6.9M seed round to fund the development of Oasis Beta, an in-orbit research vehicle designed for reentry. The company previously launched Oasis Alpha on a SpaceX rideshare in July 2026, demonstrating microgravity payloads. CEO Julian Rothenbuchner stated the decision was driven by an ethos of keeping space accessible, not by competing for best-in-class capabilities. Tumbleweed plans to launch three missions in 2027, including orbital flights, with the new vehicle enabling late-stage payload integration. The round was led by Pact VC with participation from Vanagon Ventures, Prototype Capital, EWOR, and angel investors including Candace Johnson.

Key points

• Tumbleweed closed a €6.9M seed round led by Pact VC to fund the development of Oasis Beta, an in-orbit research vehicle capable of reentry.
• The company previously launched Oasis Alpha on a SpaceX rideshare in July 2026, demonstrating microgravity payloads for four different customers.

Context

Tumbleweed is a Vienna-based startup specializing in providing space access to newbies via rideshare missions. The company previously demonstrated microgravity capabilities on a 2026 SpaceX Transporter-17 rideshare. This funding round aims to support the development of Oasis Beta, a reentry vehicle, with missions scheduled to begin in 2028.

Limitations

Evidence covers only the closing of the €6.9M seed round and the company's stated motivations. It does not include details on the specific technical specifications of Oasis Beta, the exact number of missions in 2027, or the specific customer payloads. The source does not provide information on the company's financial performance prior to this round or future funding commitments.

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