# Tumbleweed funding: rounds and investors

> Tumbleweed has raised $7.7M across 1 round since 2026. Investors include Pact, Vanagon Ventures and EWOR. Every round with its source.

Source: https://millionrounds.com/company/tumbleweed (Millionrounds; every figure on the page links to its filing or article)

Austria · [Seed startup](https://millionrounds.com/companies)

# Who invested in *Tumbleweed*

One round we have observed, with the 7 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Aerospace & Space

Raised this month

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Funding summary Updated 5 Nov 2026

**$7.7M** raised across 1 round since 2026, from 4 sources

- **Latest round:** Seed, $7.7M Nov 2026
- **Led by:** Pact
- **Investors:** 7 (1 led)

See who backed them

## The rounds

- **Nov 2026** Seed **$7.7M** [Pact](https://millionrounds.com/fund/pact) Lead [Vanagon Ventures](https://millionrounds.com/fund/vanagon) [EWOR](https://millionrounds.com/fund/ewor) [Prototype Capital](https://millionrounds.com/fund/prototype-capital) [CASSINI](https://millionrounds.com/fund/cassini) [Candace Johnson](https://millionrounds.com/fund/candace-johnson) [ESA BIC Austria](https://millionrounds.com/fund/esa-bic-austria) Reported by Payload Space and 3 others

## Everyone who backed them

[Pact](https://millionrounds.com/fund/pact) VC firm **1** round, led 1

[Vanagon Ventures](https://millionrounds.com/fund/vanagon) VC firm **1** round

[EWOR](https://millionrounds.com/fund/ewor) Accelerator **1** round

[Prototype Capital](https://millionrounds.com/fund/prototype-capital) VC firm **1** round

[Candace Johnson](https://millionrounds.com/fund/candace-johnson) Angel **1** round

[CASSINI](https://millionrounds.com/fund/cassini) VC firm **1** round

[ESA BIC Austria](https://millionrounds.com/fund/esa-bic-austria) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=tumbleweed).

## Quick answers about Tumbleweed

### Who invested in Tumbleweed?

Tumbleweed's investors include Pact, Vanagon Ventures, EWOR, Prototype Capital and Candace Johnson, and 2 more on record. Pact led its latest round.

### How much has Tumbleweed raised?

Tumbleweed has raised $7.7M across 1 round since 2026.

### When did Tumbleweed last raise?

Tumbleweed's most recent round was a Seed of $7.7M in Nov 2026, led by Pact.

### What was Tumbleweed's biggest round?

Its most recent round, $7.7M in Nov 2026, is also its largest on record.

### Who backed Tumbleweed first?

Tumbleweed's first round on record, in Nov 2026, was backed by Pact, Vanagon Ventures and EWOR and 4 others.

### What stage is Tumbleweed at?

Tumbleweed's latest named round is a Seed, in Nov 2026.

### Where is Tumbleweed based?

Tumbleweed is based in Austria.

### Who led Tumbleweed's rounds?

Pact led the Seed in 2026.

## Companies like Tumbleweed

In the same sector, and raised in the last eighteen months.

[**WORMSENSING** $14M · Nov 2026](https://millionrounds.com/company/wormsensing)[**Hypersonica** $140M · Nov 2026](https://millionrounds.com/company/hypersonica)[**Northwood Space** $505M · Nov 2026](https://millionrounds.com/company/northwood-space)[**Manastu Space** $5.3M · Oct 2026](https://millionrounds.com/company/manastu-space)[**Iris Technology** Oct 2026](https://millionrounds.com/company/iris-technology)[**Firehawk Aerospace** $150M · Oct 2026](https://millionrounds.com/company/firehawk-aerospace)

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