Horizon Quantum Computing Pte. Ltd., a developer of quantum software tools, and dMY Squared Technology Group, Inc. (dMY Squared), a publicly traded special purpose acquisition company, have entered into a definitive business combination agreement. The transaction values Horizon Quantum at approximately US$503 million. When the transaction closes, the publicly traded company will be named Horizon Quantum Holdings Ltd. and is expected to be listed on Nasdaq under the ticker “HQ”.
Horizon Quantum develops a hardware-agnostic software platform to bridge the gaps between quantum hardware and applications. The company’s technology stack is designed to simplify the creation of quantum software, automate quantum acceleration, and enable the execution of full program structures on a wide range of existing quantum computer hardware. The company’s integrated development environment, Triple Alpha, provides tools for creating quantum programs. Dr. Joe Fitzsimons, Founder and CEO of Horizon Quantum, noted that the company is building the software infrastructure needed to achieve quantum advantage.
The transaction is expected to increase Horizon Quantum’s access to capital and accelerate its technological development timeline. Harry You, Chairman and CEO of dMY Squared, commented that application development is a key component in driving the adoption of quantum computers. The collaboration is intended to support the company’s mission of creating a common quantum software platform and a true quantum operating system. The transaction is expected to close in the first quarter of 2026, subject to customary closing conditions.
Read the full announcement here.
September 9, 2025
