# Zephyr Fusion funding: rounds and investors

> Zephyr Fusion has raised $500K across 1 round since 2025. Investors include Y Combinator, Pioneer Fund and ZAKA VC. Every round with its source.

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

United States · [Pre-seed startup](https://millionrounds.com/companies)

# Who invested in *Zephyr Fusion*

One round we have observed, with the 3 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 11 months ago

Funding summary Updated 26 Oct 2026

**$500K** raised across 1 round since 2025, from 1 source

- **Latest round:** Pre-seed, $500K Dec 2025
- **Investors:** 3

See who backed them

## The rounds

- **Dec 2025** Pre-seed **$500K** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [ZAKA VC](https://millionrounds.com/fund/zaka-vc) Source recorded

## Founders and team

From Zephyr Fusion's own website: 1 founder, 2 on the team.

**San Diego** Founding Mechanical Engineer

- **Edward Hinson** CEO
- **Galen Burke** CTO

## Everyone who backed them

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

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round

[ZAKA VC](https://millionrounds.com/fund/zaka-vc) VC firm **1** round

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

## Also claim to have backed them

These 2 firms list Zephyr Fusion 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.

[Sterling Road](https://millionrounds.com/fund/sterling-road) VC firm Per its own site

[Spot VC](https://millionrounds.com/fund/spot-vc) VC firm Per its own site

## Quick answers about Zephyr Fusion

### Who invested in Zephyr Fusion?

Zephyr Fusion's investors include Y Combinator, Pioneer Fund and ZAKA VC.

### How much has Zephyr Fusion raised?

Zephyr Fusion has raised $500K across 1 round since 2025.

### When did Zephyr Fusion last raise?

Zephyr Fusion's most recent round was a Pre-seed of $500K in Dec 2025.

### What was Zephyr Fusion's biggest round?

Its most recent round, $500K in Dec 2025, is also its largest on record.

### Who backed Zephyr Fusion first?

Zephyr Fusion's first round on record, in Dec 2025, was backed by Y Combinator, Pioneer Fund and ZAKA VC.

### What stage is Zephyr Fusion at?

Zephyr Fusion's latest named round is a Pre-seed, in Dec 2025.

### Where is Zephyr Fusion based?

Zephyr Fusion is based in the United States.

## Companies like Zephyr Fusion

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)

## Find investors like these

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