Hephaestus

Raised $17.2M, announced 21 October 2026.

Round

Hephaestus exited stealth after raising $17.2 million led by CiRi Ventures to develop rare-earth-free superconductors and lower-cost fusion power.

Amount
$17.2M
Announced
21 October 2026
Lead
CiRi Ventures
Use of funds
Develop rare-earth-free high-temperature superconductors and lower-cost fusion power.
Checked
Announced by the company

Company

Supplies rare-earth-free high-temperature superconductors and develops lower-cost fusion power.

Based in
London
Sector
Other
Website
gethephaestus.com ↗

Sources and links

Sources
Hephaestus Exits Stealth Having Raised $17.2M to Supply Rare-Earth-Free HTS Superconductors and Build Low-Cost businesswire.com
Hephaestus Raises $17.2M in Funding - FinSMEs news.google.com
Website
gethephaestus.com ↗
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