Monarch Quantum

Stub active Updated Apr 2, 2026

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Founded 2025
Latest Stage Growth
Total Raised $55M+
Website https://monarchquantum.com
Sector
deep-tech quantum-computing hardware

Founders

Timothy Day CEO & Founder

About

Monarch Quantum builds Quantum Light Engines, integrated photonic control systems for quantum computing, sensing, and networking 1. Founded in 2025 by photonics veteran Dr. Timothy Day, the company entered 2026 with more than $60 million in customer contracts from Quantinuum, Infleqtion, and NASA 1.

Funding History

Date Round Amount Lead Co-investors
2026-03-31 Growth $55M Serendipity Capital 55 North, Global Innovation Labs 12

What Investors Say

No investor quotes available at this time.

What Founders Say

No founder quotes available at this time.

Sources

  1. PR Newswire, “Monarch Quantum Surpasses $100M in Capital and Contracts with $55M Growth Round,” March 31, 2026. https://www.prnewswire.com/news-releases/monarch-quantum-surpasses-100m-in-capital-and-contracts-with-55m-growth-round-to-scale-quantum-photonics-infrastructure-302729264.html↩↩↩

  2. Monarch Quantum blog, “Monarch Quantum Secures $55M Growth Round,” March 31, 2026. https://monarchquantum.com/2026/03/31/monarch-quantum-surpasses-100m-in-capital-and-contracts-with-55m-growth-round-to-scale-quantum-photonics-infrastructure/↩