Quantum Computing Inc. Completes Acquisition of NuCrypt LLC

Quantum Computing Inc. Completes Acquisition of Luminar Semiconductor, Inc. (LSI)

February 5, 2026

IT Services

Quantum Computing Inc. (QCi) completed its all-cash $110 million acquisition of Luminar Semiconductor, Inc. (LSI), a wholly owned subsidiary of Luminar Technologies, Inc. The deal brings LSI’s lasers, detectors, advanced packaging, and manufacturing capabilities into QCi to accelerate development of a vertically integrated, domestic photonics and quantum platform.

D-Wave Quantum Acquires Quantum Circuits to Build Dual-Platform Quantum Computing Company

January 23, 2026

AI & Machine Learning

D-Wave Quantum Inc. completed its previously announced acquisition of Quantum Circuits Inc. in a $550 million deal. The acquisition brings Quantum Circuits’ error-corrected superconducting gate-model (dual-rail qubit) technology into D-Wave’s dual-platform strategy, accelerating development of a scaled, error-corrected gate-model quantum computer alongside its commercial annealing systems.

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.

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.

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.

BTQ Technologies Acquires QPerfect to Build a Fully Integrated Neutral Atom Quantum Platform

November 11, 2025

AI & Machine Learning

BTQ Technologies announced it has exercised its option to acquire QPerfect, a neutral atom quantum computing company based at the European Center for Quantum Science in Strasbourg. The deal is expected to close by the end of 2025, subject to customary closing conditions including approvals from French authorities for foreign direct investment and the stock exchange. BTQ also made an earlier strategic minority investment of about €2 million in QPerfect ahead of the full acquisition.