Zephyr Fusion

San Diego, United States

Zephyr Fusion builds fusion powered satellite technologies that enable megawatt scale energy and aerospace operations in orbit.

$500K raised

Dec 2025

Pre-Seed

Aerospace Energy Solar

Top Investors

Y Combinator

Founder Contacts

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Frequently Asked Questions about Zephyr Fusion

How much funding has Zephyr Fusion raised?

Zephyr Fusion has raised $500K in total funding. The most recent round was Pre-Seed. The last funding was announced in December 2025.

Who are Zephyr Fusion's investors?

Zephyr Fusion's investors include Y Combinator.

Where is Zephyr Fusion headquartered?

Zephyr Fusion is headquartered in San Diego, United States.

What does Zephyr Fusion do?

Zephyr Fusion builds fusion powered satellite technologies that enable megawatt scale energy and aerospace operations in orbit.

What stage is Zephyr Fusion at?

Zephyr Fusion is at the Pre-Seed stage.

Cite this page

Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated December 3, 2025.

MLA

"Zephyr Fusion — Funding & Investors." VCBacked, December 3, 2025, https://www.vcbacked.co/company/zephyr-fusion. Accessed June 5, 2026.

APA

VCBacked. (2025). Zephyr Fusion — Funding & Investors. Retrieved June 5, 2026, from https://www.vcbacked.co/company/zephyr-fusion

Wikipedia (cite web)

{{cite web |title=Zephyr Fusion — Funding & Investors |url=https://www.vcbacked.co/company/zephyr-fusion |website=VCBacked |access-date=June 5, 2026}}

Profile data sourced and verified per the VCBacked methodology. Last funding round dated December 3, 2025.

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