IonQ

Corporate brand

American quantum-computing company developing trapped-ion quantum computers, software, and quantum networking technologies.

Last updated October 12, 2026

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Overview

IonQ is an American quantum-computing hardware and software company headquartered in College Park, Maryland. Its principal technology is a general-purpose trapped-ion quantum computer, in which individual ions are confined and controlled with laser and optical systems to function as quantum bits. The company also develops the software, application programming interfaces, cloud integrations, and performance metrics used to program and evaluate its machines. IonQ grew out of the academic collaboration between physicists Christopher Monroe of the University of Maryland and Jungsang Kim of Duke University. Their work combined Monroe’s research on trapped ions and controllable quantum logic with Kim’s focus on scalable quantum-information processing and quantum communications hardware. The partnership was connected to research initiatives supported by the Intelligence Advanced Research Projects Activity and was articulated in a widely cited proposal for scaling ion-trap processors. IonQ was established in 2015 with support from New Enterprise Associates, which provided early commercialization funding. The company recruited David Moehring, formerly associated with IARPA quantum-computing programs, as chief executive in 2016. A 2017 Series B financing led by GV and New Enterprise Associates supported hiring and the effort to turn the research platform into a commercial product. Peter Chapman became chief executive in 2019, bringing experience from Amazon’s engineering organization. Under Chapman, IonQ expanded access to its systems through Amazon Web Services, Microsoft Azure, and Google Cloud, allowing customers to submit quantum circuits remotely rather than operate dedicated machines themselves. IonQ became a publicly traded company on the New York Stock Exchange in October 2021 through a business combination with dMY Technology Group III. The transaction provided approximately $636 million in gross proceeds according to company and transaction materials, with the precise amount subject to the relevant transaction period and reporting basis. Its commercial portfolio has included systems marketed under names such as IonQ Aria and IonQ Forte, alongside cloud access and developer tools. Ion-trap systems are attractive because trapped ions can have long coherence times, high-fidelity operations, and all-to-all connectivity within a device. The approach also has tradeoffs, including relatively slow gate operations and demanding optical and vacuum infrastructure. IonQ has promoted Algorithmic Qubits, a composite performance measure introduced in 2020 that attempts to reflect both qubit count and gate quality rather than relying on qubit count alone. In 2024, IonQ opened a research and development facility in Bothell, Washington, which it described as a quantum-computing factory. From 2024 onward, the company also broadened its strategy beyond standalone processors into quantum networking, quantum-safe security, photonic interconnects, sensing, and space-related communications. Its announced and completed transactions involving Qubitekk, ID Quantique, Oxford Ionics, Lightsynq Technologies, Capella Space, and Vector Atomic reflect an ambition to assemble a broader quantum-technology platform. Niccolò de Masi became chief executive in February 2025, while Chapman moved to executive-chair responsibilities before later leaving that role. IonQ remains an active, publicly listed company focused on commercializing quantum computing and adjacent quantum technologies.

History

IonQ’s origins lie in roughly two decades of academic research into trapped-ion quantum information. Christopher Monroe developed foundational trapped-ion work at the National Institute of Standards and Technology, including research on controllable ions and quantum logic, before continuing at the University of Maryland. Jungsang Kim, a professor at Duke University, concentrated on scalable quantum-information processing and quantum communications hardware. Their collaboration deepened through research programs associated with IARPA and resulted in a technical proposal describing how ion-trap processors might be scaled. The two researchers founded IonQ in 2015 with assistance from New Enterprise Associates. The company’s purpose was to move trapped-ion research from university laboratories into a general-purpose commercial computing platform. NEA supplied early capital, and David Moehring joined as chief executive in 2016 after working on quantum initiatives at IARPA. In 2017, IonQ raised a Series B round led by GV and NEA. This financing supported recruitment, engineering, and the plan to offer a commercial system. IonQ’s architecture uses electrically confined ions and optical systems for cooling, initialization, state manipulation, and measurement. A microfabricated ion trap and associated laser and acousto-optical equipment form the physical core, while software tools translate user programs into executable quantum circuits. The architecture’s complete connectivity can reduce some routing requirements between qubits, and trapped ions are known for long coherence times and potentially high-fidelity operations. Its disadvantages include slower operation than some competing approaches and the need for complex vacuum and optical equipment. Peter Chapman became CEO in May 2019. During his tenure, IonQ concentrated on making its systems accessible through cloud providers, including Amazon Web Services, Microsoft Azure, and Google Cloud. This model allowed researchers, businesses, and developers to experiment with IonQ hardware without purchasing or maintaining a quantum computer. The company also introduced the Algorithmic Qubit metric in 2020 to describe system performance using a combination of qubit quantity and operation quality. In October 2021, IonQ entered the public markets through a merger with dMY Technology Group III. The transaction produced reported gross proceeds of approximately $636 million and gave IonQ the NYSE ticker IONQ. The public-company structure enabled continued investment in hardware development, software, facilities, and commercial partnerships, while also exposing the company to the financial and execution pressures common to emerging technology businesses. IonQ continued to develop processors marketed as Aria and Forte while broadening its stated ambitions. In 2024 it opened a Bothell, Washington research and development facility described by the company as a quantum-computing factory. It also began building a wider quantum-technology portfolio through networking and security initiatives. The proposed or completed acquisition of Qubitekk added networking capabilities; the investment in ID Quantique expanded quantum-safe cryptography and sensing; Oxford Ionics offered another trapped-ion technology platform; Lightsynq contributed photonic interconnect and quantum-memory work; Capella Space connected the strategy to satellite imaging and possible space-based quantum key distribution; and Vector Atomic added quantum sensing for positioning, navigation, and timing. De Masi became president and CEO on February 26, 2025, succeeding Chapman, who moved into an executive-chair position. The leadership change coincided with a strategy emphasizing international partnerships, networking, security, sensing, and potential space applications in addition to quantum processors. IonQ has also participated in DARPA’s Quantum Benchmarking Initiative, including Stage B, whose purpose is to evaluate paths toward useful, industrial-scale quantum computing. The company’s present identity therefore encompasses both its original trapped-ion computer business and a broader effort to build infrastructure for quantum computing, communications, sensing, and cryptography.

2025
Niccolò de Masi becomes CEO
[3]IonQ company newsionq.com
De Masi became president and chief executive, succeeding Chapman.
2025
Expansion into adjacent quantum technologies
[3]IonQ company newsionq.com
IonQ announced or completed transactions spanning quantum-safe cryptography, trapped-ion computing, photonic interconnects, satellite imaging, and quantum sensing.
2024
Bothell facility opens
[3]IonQ company newsionq.com
IonQ opened a dedicated Washington research and development facility that it characterized as a quantum-computing factory.
2024
Qubitekk acquisition announced
[3]IonQ company newsionq.com
IonQ announced a transaction intended to strengthen its quantum-networking capabilities.
2021
Public listing on the NYSE
[1]IonQen.wikipedia.org
IonQ completed its merger with dMY Technology Group III and began trading under IONQ.
2020
Algorithmic Qubits metric introduced
[6]Algorithmic Qubits metric introducedionq.com
IonQ introduced Algorithmic Qubits as a performance measure combining qubit quantity with gate and system quality.
2019
Peter Chapman becomes CEO
[1]IonQen.wikipedia.org
Chapman succeeded Moehring and helped shift IonQ toward cloud-accessible commercial quantum computing.
2017
Series B financing
[1]IonQen.wikipedia.org
GV and New Enterprise Associates led a reported $20 million financing round to support commercialization and hiring.
2016
David Moehring joins as CEO
[1]IonQen.wikipedia.org
Moehring, formerly involved in IARPA quantum-computing programs, became the company’s chief executive.
2015
IonQ is founded
[1]IonQen.wikipedia.org
Christopher Monroe and Jungsang Kim founded IonQ to commercialize their trapped-ion quantum-computing research, with early support from New Enterprise Associates.

Products and positioning

A commercial trapped-ion quantum-computing specialist seeking to combine high-fidelity processors with cloud delivery, quantum networking, sensing, and security capabilities.

Trapped-ion quantum computer
IonQ Aria
IonQ Aria is a commercial trapped-ion quantum-computing system in the company’s processor portfolio. It is designed for general-purpose circuit execution and is made accessible through IonQ’s cloud partners and software interfaces. The system’s value proposition rests on trapped-ion characteristics such as high-fidelity operations and strong connectivity, rather than on qubit count alone.
Trapped-ion quantum computer
IonQ Forte
IonQ Forte is a later-generation IonQ processor platform intended to improve the usable performance of trapped-ion quantum computing. It combines the company’s ion-trap hardware with optical control, measurement systems, and cloud software. IonQ presents the platform as part of its effort to deliver increasingly capable systems for research and commercial experimentation.
Quantum-computing service · 2019
IonQ Cloud
IonQ provides remote access to its quantum processors and simulators through its own services and major cloud ecosystems, including Amazon Web Services, Microsoft Azure, and Google Cloud. Customers can submit quantum circuits through APIs and development tools without operating the underlying vacuum, laser, and control infrastructure.
Quantum networking and cryptography · 2024
Quantum networking and security technologies
Through internal development and acquisitions, IonQ has expanded toward quantum networking, quantum-safe cryptography, photonic interconnects, and quantum memory. These capabilities are intended to connect quantum processors, protect communications, and support future distributed quantum-computing architectures.

Marketing campaigns

2024Quantum-computing factory positioning
United States
IonQ promoted its Bothell facility as a dedicated quantum-computing manufacturing and development site, emphasizing a move from laboratory research toward repeatable commercial production.
Outcome. The Bothell research and development facility opened in February 2024.
Source
2021Public-market commercialization campaign
United States · Global investors
IonQ used its 2021 public listing to present trapped-ion quantum computing as a commercial technology and to fund expansion of hardware, software, and customer access.
Outcome. IonQ became publicly traded on the NYSE under IONQ.
Source

Brand decisions

2025
Broaden the company into a quantum-technology platformStrategy
Background
IonQ pursued opportunities beyond processors, including secure communications, photonics, sensing, and space-based networking.
Action taken
The company pursued acquisitions and partnerships involving ID Quantique, Oxford Ionics, Lightsynq Technologies, Capella Space, and Vector Atomic.
Aftermath
IonQ’s proposed platform extended across computing, networking, quantum-safe security, photonic interconnects, satellite applications, and sensing.
Source
2024
Expand into quantum networkingM&A
Background
IonQ identified networking as an important complement to standalone quantum processors and a potential foundation for distributed quantum systems.
Action taken
IonQ announced an agreement to acquire Qubitekk, a U.S. quantum-networking company.
Aftermath
The transaction supported IonQ’s broader networking and communications strategy.
Source
2021
Complete the dMY Technology Group III business combinationM&A
Background
IonQ sought public-market capital to accelerate commercialization of its trapped-ion technology.
Action taken
IonQ merged with the special-purpose acquisition company dMY Technology Group III and listed on the New York Stock Exchange.
Aftermath
IonQ began trading as IONQ and received reported gross transaction proceeds of approximately $636 million.
Reported gross transaction proceeds. Approximately $636 million (October 2021 transaction)
Source
2019
Adopt cloud distribution for quantum hardwareStrategy
Background
Quantum computers are difficult for most customers to purchase and operate directly, making cloud access a practical route to adoption.
Action taken
IonQ partnered with Amazon Web Services, Microsoft Azure, and Google Cloud to make its systems accessible through hosted quantum-computing platforms.
Aftermath
The company broadened access beyond specialist laboratories and positioned its processors within mainstream cloud-development workflows.
Source

Recent events

2026.10.12
Reported2026.10.12
IonQ agrees to acquire Elisity in all-stock deal worth up to $1.3 billion[7]IonQ同意以最高13亿美元全股票收购Elisityfinance.jrj.com.cn
Quantum computing company IonQ announced on Monday (2026-10-12) that it agreed to acquire enterprise security company Elisity in an all-stock transaction valued at up to $1.3 billion, including up to $150 million in earnout consideration. The share consideration is based on a 20-trading-day VWAP before closing, with a collar of no more than $49.61 and no less than $33.07 per share. The transaction is expected to close in the fourth quarter of 2026, subject to customary closing conditions and regulatory approval, and Elisity CEO James Winebrenner is expected to remain after closing.
Weekdays and relative dates follow the original report; their exact calendar dates have not been verified.
Unconfirmed
Reported2026.10.12
IonQ to acquire cybersecurity firm Elisity for up to $1.3 billion[8]IonQ拟以最高13亿美元收购网络安全公司Elisitynews.google.com
Quantum computing company IonQ is set to buy cybersecurity firm Elisity in a deal worth up to $1.3 billion, as reported by The Wall Street Journal.
2026.10.07
Reported2026.10.11
DARPA selects Atom Computing, Diraq, IBM, IonQ, Microsoft and PsiQuantum for Stage C of Quantum Benchmarking Initiative[9]DARPA选定Atom Computing、Diraq、IBM、IonQ、微软和PsiQuantum进入量子基准测试计划C阶段thestar.com.my
On Wednesday, DARPA selected a new cohort of companies, including Atom Computing, Diraq, IBM, IonQ, Microsoft and PsiQuantum, to advance to Stage C of its Quantum Benchmarking Initiative, a stage worth up to US$300 million for direct physical testing and empirical validation.
Weekdays and relative dates follow the original report; their exact calendar dates have not been verified.
2026.09.22
Reported2026.09.23
IonQ announces successful demonstration of industry-first real-time quantum error decoder[10]IonQ宣布成功演示业界首个实时端到端量子纠错解码器cnbc.com
IonQ announced on Tuesday, Sept. 22, 2026, the successful demonstration of the quantum computing industry's first end-to-end real-time quantum error decoder, which runs on a single standard computer processor and can find, fix and decode errors as they happen. IonQ shares rose more than 5% in morning trading on Wednesday following the announcement.
Weekdays and relative dates follow the original report; their exact calendar dates have not been verified.
2022.02.17
Reported2022.02.17
IonQ and PNNL partner on barium-ion supply[11]IonQ与PNNL合作开发钡离子供应geekwire.com
Pacific Northwest National Laboratory teamed up with IonQ to develop a method for producing barium ions for quantum computing. The partners said the process could provide a steady supply of barium-based qubits for IonQ systems.
2022.01.19
Reported2022.01.19
Hyundai and IonQ partner on battery chemistry research[12]现代汽车与IonQ合作研究电池化学carscoops.com
Hyundai announced a partnership with IonQ to develop a variational quantum eigensolver and research battery chemistry for more efficient next-generation electric vehicles.
2020.06.16
Reported2020.06.16
IonQ raises additional Series B funding[13]IonQ追加Series B融资techcrunch.com
IonQ announced about $7 million in additional funding as an extension of its previously announced Series B round, bringing total investment in the company to $84 million. The new funding included strategic investments from Lockheed Martin, Robert Bosch Venture Capital and Cambium.
Unconfirmed
AWS partners with quantum computing companies for Braket[14]AWS与量子计算公司合作为Braket提供量子计算系统rfidworld.com.cn
AWS partnered with D-Wave, IonQ and Rigetti to provide their quantum computing systems through AWS cloud as part of the Braket service.
2019.12.03
Reported2019.12.03
AWS announces preview release of Braket quantum computing service[15]AWS宣布量子计算服务Braket预览版发布tech.sina.com.cn
Amazon Web Services announced the preview release of Braket, a quantum computing service that provides access through AWS cloud to quantum computing systems from D-Wave, IonQ and Rigetti.
2019.12.02
Reported2019.12.02
AWS announces preview launch of Braket quantum computing service[16]AWS宣布推出Braket量子计算服务预览版techcrunch.com
AWS announced the preview launch of Braket, a quantum computing service that lets developers build quantum algorithms and test them in simulations and on partner-provided quantum hardware.

Sources22 sources

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