Celestial AI (Series C1)
Funding Details
Awarder
SemiNews
Date Award
January 14, 2026
Vertical
Semiconductor
Funding Amount
$255,000,000
Company Info
Traction
The largest global infrastructure investment in history is currently underway as companies race to build AI computing capacity. Celestial AI is uniquely positioned with the right technology to partner with hyperscale customers and the greater industry ecosystem to lead this transition to light-speed data transfer.
Organizations Involved
Fidelity Management & Research Company, BlackRock, Maverick Silicon, Tiger Global Management, Koch Disruptive Technologies, Temasek, Xora Innovation, Porsche Automobil Holding SE, The Engine Ventures, United States Innovative Technology Fund, AMD Ventures, IMEC XPand, Penguin Solutions
Market
AI Infrastructure
Location
Santa Clara, California, United States
Coinvestors
VentureTech Alliance, Samsung Catalyst Fund
Company Description

Celestial AI is the creator of the Photonic Fabric, an optical interconnect technology platform for AI computing systems. The Photonic Fabric provides the foundational technology for data center computing, networking and memory systems to enable advancements in AI with sustainable and profitable business models. Celestial AI’s Photonic Fabric delivers a transformative leap in AI system performance and energy efficiency.

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