Monarch Quantum (Growth Round)
Funding Details
Awarder
SemiNews
Date Award
March 31, 2026
Vertical
Quantum Photonics
Funding URL
View Funding Page
Funding Amount
$55,000,000
Company Info
Founding Year
2025
Traction
Monarch entered 2026 with more than $60 million in customer contracts from leading quantum companies including Quantinuum, Infleqtion (NYSE: INFQ) and NASA, bringing total capital and customer contracts to more than $115 million within six months of founding.
Organizations Involved
Quantinuum, Infleqtion, NASA
Founders
Dr. Timothy Day
Market
Quantum Technologies
Location
San Diego, California, USA
Coinvestors
55 North, Global Innovation Labs
Company Description

Monarch Quantum is a U.S.-based quantum photonics company building integrated photonics systems — Quantum Light Engines™ — for quantum computing, quantum sensing, and quantum communications. Operating within California’s growing quantum and photonics ecosystem, Monarch Quantum combines best-in-class photonics components with systems engineering and advanced packaging to enable scalable, deployable quantum hardware.

Links
Website
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