Xanadu Quantum Technologies Completes Business Combination with Crane Harbor Acquisition Corp to Go Public

Horizon Quantum Computing Pte. Ltd. Completes Business Combination With dMY Squared Technology Group to List on Nasdaq

March 19, 2026

Software

Horizon Quantum Computing Pte. Ltd. completed its previously announced business combination with publicly traded SPAC dMY Squared Technology Group, Inc. The transaction was approved by dMY Squared shareholders on March 17, 2026 and the combined company began trading on Nasdaq on March 20 under ticker symbols “HQ” (shares) and “HQWWW” (warrants). The closing provides Horizon Quantum with approximately $120 million of gross proceeds to accelerate R&D, strengthen its hardware testbed, and further develop its Triple Alpha integrated development environment.

TradeStation Group to Become Public via Business Combination with Quantum FinTech Acquisition Corporation

December 27, 2021

Financial Services

TradeStation Group, Inc. filed a registration statement on Form S-4 in connection with its proposed business combination with Quantum FinTech Acquisition Corporation (a SPAC), under which TradeStation would become a public, NYSE-listed company. The transaction was executed via a definitive business combination agreement and is expected to close in the first half of 2022, subject to shareholder and SEC approvals and other customary conditions.

Quantum Computing Inc. Completes Acquisition of NuCrypt, LLC

March 5, 2026

AI & Machine Learning

Quantum Computing Inc. (QCi) completed its acquisition of NuCrypt, LLC in a $5 million transaction paid via a combination of cash and shares of QCi common stock. The deal positions quantum communications as a key commercialization vertical within QCi’s broader quantum technology strategy and brings NuCrypt’s quantum communications systems and patent portfolio into QCi’s technology roadmap.

D-Wave Systems to Go Public via Merger With DPCM Capital (SPAC) to Form D-Wave Quantum Inc

February 8, 2022

AI & Machine Learning

D-Wave Systems Inc. entered into a definitive agreement with DPCM Capital, Inc. to go public through a business combination with the SPAC. At closing, a newly formed parent company, D-Wave Quantum Inc., is expected to trade on the NYSE under the ticker “QBTS.” The combined company plans to use proceeds to accelerate in-production quantum applications and expand its commercial quantum computing platform.

Centricus Acquisition Corp. Completes Business Combination with Arqit Quantum Inc.

September 3, 2021

Cybersecurity

Arqit Quantum Inc. completed its business combination with special purpose acquisition company Centricus Acquisition Corp., closing on September 3, 2021 and beginning Nasdaq trading on September 7, 2021 under the ticker ARQQ. The transaction provides Arqit with public listing and capital to accelerate commercialization of its QuantumCloud quantum-safe encryption platform; David Williams will continue as CEO.

OceanTech Acquisitions I Corp and Captura Biopharma Sign Definitive Business Combination Agreement

August 10, 2022

Biotechnology

OceanTech Acquisitions I Corp., a special purpose acquisition company, signed a definitive merger agreement with Captura Biopharma to take the biotech company public. The combined company is expected to operate under the name Captura Biopharma Holdings, Inc. and remain listed on Nasdaq, subject to SEC, regulatory, and stockholder approvals.