Tech Company Financing Transactions
Hephaestus Technologies Funding Round
Hephaestus Technologies, operating out of London, scored $17.2 million from Climate Capital, Teampact Ventures and Unruly Capital.
Transaction Overview
Company Name
Announced On
10/21/2026
Transaction Type
Venture Equity
Amount
$17,200,000
Round
Undisclosed
Proceeds Purpose
The company intends to use the funds to accelerate HTS manufacturing at its new 70,000 sq ft New Jersey facility starting in 2027 and build a net gain demonstration reactor (Q>1) by 2030.
Company Information
Company Status
Private & Independent
Industry
Semiconductors
Mailing Address
Undisclosed
London, EC2M 4NS
UK
London, EC2M 4NS
UK
Phone
Undisclosed
Website
Email Address
Not Recorded
Overview
Hephaestus is unlocking affordable and scalable fusion energy. We combine lower-cost high-temperature superconducting magnets with a more stable negative triangularity plasma, accelerating the path to commercial fusion.
Profile
Social Media
Company News
Facebook
YouTube
Management Team
Title
Name
Email & Social
Chief Executive Officer
Jack Zamattio
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