# TransAstra funding: rounds and investors

> TransAstra has raised across 1 round since 2025. Investors include Y Combinator, Bossa Invest and Global Founders Capital. Every round with its source.

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

United States · [Venture startup](https://millionrounds.com/companies)

# Who invested in *TransAstra*

One round we have observed, with the 5 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

Funding summary Updated 26 Oct 2026

**Undisclosed** raised across 1 round since 2025, from 1 source

- **Latest round:** Venture Sept 2025
- **Investors:** 5

See who backed them

## The rounds

- **Sept 2025** Venture **Amount undisclosed** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Bossa Invest](https://millionrounds.com/fund/bossa-invest) [Global Founders Capital](https://millionrounds.com/fund/global-founders-capital) [Soma Capital](https://millionrounds.com/fund/soma-capital) [Side Door Ventures](https://millionrounds.com/fund/side-door-ventures) Source recorded

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Bossa Invest](https://millionrounds.com/fund/bossa-invest) VC firm **1** round

[Global Founders Capital](https://millionrounds.com/fund/global-founders-capital) VC firm **1** round

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

[Side Door Ventures](https://millionrounds.com/fund/side-door-ventures) VC firm **1** round

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

## Also claim to have backed them

These 6 firms list TransAstra as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Lombardstreet Ventures](https://millionrounds.com/fund/lombardstreet-ventures) VC firm Per its own site

[Andover Ventures](https://millionrounds.com/fund/andover-ventures) VC firm Per its own site

[Bruckner Ventures](https://millionrounds.com/fund/bruckner-ventures) VC firm Per its own site

[Fundament](https://millionrounds.com/fund/fundament) Incubator Per its own site

[Integrity](https://millionrounds.com/fund/integrity) Accelerator Per its own site

[Valkyrie Fund](https://millionrounds.com/fund/valkyrie-fund) Accelerator Per its own site

## Quick answers about TransAstra

### Who invested in TransAstra?

TransAstra's investors include Y Combinator, Bossa Invest, Global Founders Capital, Soma Capital and Side Door Ventures.

### How much has TransAstra raised?

TransAstra has raised 1 round since 2025, none with a disclosed amount.

### When did TransAstra last raise?

TransAstra's most recent round was a Venture in Sept 2025.

### Who backed TransAstra first?

TransAstra's first round on record, in Sept 2025, was backed by Y Combinator, Bossa Invest and Global Founders Capital and 2 others.

### What stage is TransAstra at?

TransAstra's latest named round is a Venture, in Sept 2025.

### Where is TransAstra based?

TransAstra is based in the United States.

## Companies like TransAstra

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**Apex** $1.1B · Oct 2026](https://millionrounds.com/company/apex)[**Xona** $512M · Oct 2026](https://millionrounds.com/company/xona)[**Jeevy Fabrication** Oct 2026](https://millionrounds.com/company/jeevy-fabrication)[**Varda Space Industries** $438M · Oct 2026](https://millionrounds.com/company/varda-space-industries)[**Kapta Space** $29M · Oct 2026](https://millionrounds.com/company/kapta-space)

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