Infleqtion Completes Business Combination With Churchill Capital Corp X to Begin Trading as INFQ

PlusAI to Merge with Churchill Capital Corp IX (Churchill IX)

January 12, 2026

Software

PlusAI announced that its Form S-4 registration statement for its proposed merger with Churchill Capital Corp IX (Nasdaq: CCIX) has been declared effective by the SEC. Churchill IX has scheduled an extraordinary general meeting for February 3, 2026 to approve the proposed business combination.

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.

dMY Technology Group III Completes Business Combination with IonQ

September 30, 2021

AI & Machine Learning

dMY Technology Group, Inc. III completed its previously announced business combination with IonQ, Inc., and the combined company began trading on the NYSE under the ticker IONQ on October 1, 2021. The transaction provided IonQ with approximately $636 million in gross proceeds to fund growth and accelerate commercialization of its trapped‑ion quantum computing systems and cloud services.

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.

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.

AI/ML Innovations Inc. Acquires Quantum Sciences Ltd

December 10, 2024

AI & Machine Learning

AI/ML Innovations Inc. entered into a binding share purchase agreement to acquire all issued and outstanding shares of Quantum Sciences Ltd for a purchase price of $690,000 to be paid by the issuance of 10,000,000 common shares. The acquisition (SPA dated December 9, 2024) brings digital health AI/ML and quantum‑inspired capability into AI/ML Innovations' portfolio and remains subject to customary closing conditions and CSE approval.