Quantum Computing Inc. Completes Acquisition of NuCrypt, LLC

Quantum Computing Inc. Acquires Luminar Semiconductor, Inc. for $110 Million

February 5, 2026

IT Services

Quantum Computing Inc. (QCi) has completed its all-cash acquisition of Luminar Semiconductor, Inc. (LSI), a wholly owned subsidiary of Luminar Technologies, Inc., for $110 million. The deal creates a more vertically integrated, domestically manufactured photonics and quantum technology platform by combining QCi’s thin-film lithium niobate (TFLN) integrated photonics with LSI’s lasers, detectors, packaging, and manufacturing capabilities.

D-Wave Acquires Quantum Circuits Inc. for $550 Million

January 23, 2026

AI & Machine Learning

D-Wave Quantum Inc. has completed its acquisition of Quantum Circuits Inc. in a deal valued at approximately $550 million (about $300M in stock and $250M in cash). The purchase brings Quantum Circuits' error-corrected dual-rail superconducting gate-model qubit technology and team (including co-founder Dr. Rob Schoelkopf) into D-Wave to accelerate a dual-platform roadmap and advance an initial gate-model system targeted for 2026.

IonQ Acquires Controlling Stake in ID Quantique

May 6, 2025

Cybersecurity

IonQ has completed the acquisition of a controlling stake in ID Quantique (IDQ), adding IDQ's quantum key distribution (QKD) systems, quantum random number generators (QRNGs) and single-photon detectors to its product portfolio. The deal expands IonQ's quantum networking and secure-communications capabilities, brings nearly 300 granted and pending patents to IonQ's IP estate, and strengthens its position in national and international quantum communications initiatives.

IonQ Completes Acquisition of Oxford Ionics in $1.075 Billion Deal

September 17, 2025

AI & Machine Learning

IonQ (NYSE: IONQ) completed its acquisition of Oxford Ionics, a UK-based trapped-ion quantum computing company, for a transaction value of about $1.075 billion. The deal is designed to strengthen IonQ’s quantum computing roadmap by integrating Oxford Ionics’ ion-trap-on-a-chip and patented technology stack with IonQ’s existing hardware and software.

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.

Spectral Capital Acquires Quantomo OÜ to Bolster Quantum Search Capabilities

September 10, 2024

AI & Machine Learning

Spectral Capital Corporation (FCCN) has acquired Quantomo OÜ, a developer of quantum tomography and quantum-enhanced search algorithms, to accelerate its Quantum Bridge initiative and decentralized QaaS offerings. The deal (reported at approximately $7.9 million) brings Quantomo's quantum search technology into Spectral's stack to expand capabilities across search, healthcare, finance and energy verticals.