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Quantum Annealing: D-Wave Systems & Optimization Applications

Quantum annealing news: D-Wave Advantage systems, optimization problems, hybrid algorithms. QUBO formulations & commercial deployments.

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Quantum annealing represents the earliest commercialized form of quantum computing, using quantum fluctuations to find optimal solutions to combinatorial optimization problems. D-Wave Systems has deployed systems with 5,000+ qubits (Advantage processor) accessed via cloud and installed at research institutions, government labs, and corporations.

Unlike gate-based quantum computers that execute algorithmic instructions, quantum annealers solve problems by mapping them onto an Ising model or quadratic unconstrained binary optimization (QUBO) formulation. The quantum processor evolves from a superposition of all possible states toward the ground state of the problem Hamiltonian.

India's Quantum Annealing Landscape

India's enterprise technology sector explores quantum annealing through cloud access to D-Wave systems. The National Quantum Mission focuses primarily on gate-based quantum computing hardware development rather than quantum annealing hardware, but optimization applications using quantum annealing fall under NQM's broader quantum computing applications scope. Tata Consultancy Services (TCS), Infosys, and other IT majors develop quantum optimization solutions for Indian enterprises using hybrid quantum-classical approaches.

Key Advantages

Key advantages include mature commercial technology with 10+ years of cloud availability, massive qubit counts (5,000+), specialization for optimization without requiring full error correction, and established application ecosystems. Limitations include narrow application scope (optimization only), no quantum error correction, and restricted connectivity requiring problem embedding overhead.

Recent Developments

Recent developments include D-Wave's Advantage2 prototype experimenting with higher connectivity (Zephyr topology) and error-reduction techniques.

5 Millionaire-Maker Quantum Computing Stocks to Buy Now - The Globe and Mail
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5 Millionaire-Maker Quantum Computing Stocks to Buy Now - The Globe and Mail

Key PointsIonQ and Quantinuum are leading the charge on accuracy using the trapped-ion technique.D-Wave and IBM are two top companies using the faster superconducting qubit technology.Infleqtion's neutral-atom approach could become the best of both worlds.10 stocks we like better than IonQ ›Quantum computing has the potential to be the next big technological breakthrough after artificial intelligence (AI). Companies in the field are pursuing the technology in various ways, so a basket approach (a collection of small positions across several stocks) may be the best investment option.While it's unlikely that all of them pan out, if one or two do, they could help fuel a millionaire-making portfolio. Let's look at the stocks I'd put in this quantum computing basket.Missed AI’s "Act 1"? Act 2 Could Be 15x Bigger. Most investors think they missed the AI boat because they didn't buy Nvidia in 2005. But according to our analysts, we’re only at the end of "Act 1"—the R&D phase. "Act 2" is the global rollout. Continue »Image source: Getty ImagesIonQThe first stock I'd add to a quantum basket is IonQ(NYSE: IONQ). The company uses the trapped-ion method with the added twist of embedding microwave antennas directly into its chips. This also resulted in the company achieving the best accuracy in the space, with 99.99% two-qubit gate fidelity. It also recently demonstrated what it called "the industry's first end-to-end real-time quantum error correction decoder," a significant milestone as it pushes to create a fault-tolerant quantum system.In addition to its accuracy lead, the company has made a variety of acquisitions across different areas of the quantum ecosystem. It even acquired a quantum foundry that will help it advance prototypes more quickly and scale more easily.QuantinuumAnother top quantum stock in terms of accuracy is Quantinuum(NASDAQ: QNT). It also uses the trapped-ion approach and has recorded 99.92% 2-qubit gate fidelity. With its new Sol system, meanwhile,

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Quantum Computing Stocks To Watch Today - September 26th - MarketBeatquantum-computing

Quantum Computing Stocks To Watch Today - September 26th - MarketBeat

Quantum Computing Stocks To Watch Today - September 26th Written by MarketBeatSeptember 26, 2026Add As Preferred SourceShareShareShare This ArticleLink copied to clipboard.Close Image from MarketBeat Media, LLC. Key Points Five quantum-computing stocks to watch are IonQ (IONQ), D-Wave Quantum (QBTS), Quantinuum (QNT), Quantum Computing (QUBT), and Horizon Quantum Computing (HQ), selected for their recent trading volume. IonQ and D-Wave provide cloud-based access to quantum systems, while Quantum Computing focuses on photonics-based machines, quantum sensing, random-number generation, and cybersecurity applications. The sector is moving toward early commercial adoption, driven partly by rising AI-related computing demand, but remains high-growth and highly speculative due to technological, financial, and regulatory uncertainties. MarketBeat previews top five stocks to own in October. MarketBeat Week in Review – 09/21 - 09/25IonQ, D-Wave Quantum, Quantinuum, Quantum Computing, and Horizon Quantum Computing Pte. are the five Quantum Computing stocks to watch today, according to MarketBeat's stock screener tool. Quantum computing stocks are shares of publicly traded companies involved in developing quantum-computing hardware, software, components, or related services. For investors, the term generally refers to a high-growth, highly speculative sector whose companies may face significant technological, financial, and regulatory uncertainties. These companies had the highest dollar trading volume of any Quantum Computing stocks within the last several days. Get IonQ alerts:Sign UpIonQ (IONQ)IonQ, Inc. engages in the development of general-purpose quantum computing systems in the United States. It sells access to quantum computers of various qubit capacities. The company makes access to its quantum computers through cloud platforms, such as Amazon Web Services (AWS) Amazon Braket, Microsoft's Azure Quantum, and Google's Cloud Marketplace, as well as through its cloud serv

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D-Wave shows both annealing and gate-model quantum systems at Congressquantum-computing

D-Wave shows both annealing and gate-model quantum systems at Congress

D-Wave Quantum Inc. is positioning itself in the growing quantum computing field, showcasing both its annealing and gate-model systems at Quantum World Congress 2026, September 23-25 in College Park, Maryland. The company, listed on Nasdaq as QBTS, will highlight existing customer applications of its annealing technology alongside progress in its dual-rail gate-model architecture, designed to simplify quantum error correction, D-Wave says. “In our view, quantum computing is not a single-architecture race,” says D-Wave chief science officer Robert Schoelkopf, “and it will not be won by qubit counts alone.” Schoelkopf will deliver a plenary address Friday outlining the company’s dual-platform strategy for tackling computationally complex challenges. D-Wave’s Dual-Platform Strategy: Annealing and Gate-Model Systems This architecture focuses on reducing the complexity of quantum error correction, an important step toward enabling applications like quantum chemistry and materials simulation. Executives from D-Wave will participate in multiple discussions, including a plenary address by chief science officer Robert Schoelkopf titled “From Innovation to Utility: The Quantum Era Takes Shape with Two Platforms.” Schoelkopf will detail D-Wave’s annealing and gate-model technologies, asserting the need for both approaches to tackle computationally complex problems. Senior vice president of global government relations and public affairs, Allison Schwartz will join the panel “Quantum You Can See: Real Use Cases, Real Impact,” highlighting practical quantum computing applications improving everyday services. She will also participate in “Quantum Policy from the Inside: How Industry Is Shaping the Federal Agenda,” examining policies and partnerships needed to accelerate quantum adoption and strengthen U.S. leadership. Schwartz will advocate for a strategy supporting long-term research while also accelerating near-term application development, procurement, and deployment. “D-Wave i

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DRDO and startup build 20 mK refrigerator for quantum computersquantum-computing

DRDO and startup build 20 mK refrigerator for quantum computers

Defence Research and Development Organisation has partnered with Zero mK India Private Limited, Alwar, Rajasthan, to indigenously develop a dilution refrigerator capable of reaching 20 millikelvins. This collaboration marks the first high-value agreement under a Rs 500 crore corpus approved by Raksha Mantri Shri Rajnath Singh for deep-tech projects. Such ultra-low temperatures are essential for operating quantum computing platforms and represent a step toward a self-reliant quantum ecosystem. “This will contribute towards reducing dependence on imported cryogenic infrastructure and strengthening the domestic quantum technology ecosystem,” the source states. TDF Scheme Funds 20 mK Dilution Refrigerator Development The agreement, signed between DRDO’s TDF directorate and Zero mK India, signifies a focused investment in quantum technologies and associated cryogenic infrastructure. Dilution refrigerators are essential for maintaining the extremely low temperatures required for the operation and testing of quantum computing platforms, and this domestically produced system aims to reduce reliance on imported cryogenic equipment. The project directly supports the National Quantum Mission, strengthening India’s capabilities in quantum technology, advanced cryogenics, and strategic technologies, ultimately fostering a self-reliant quantum ecosystem. Source: pib.gov.in Shri Rajnath Singh expressed confidence that this collaboration will be a model for future partnerships between DRDO and private industry in emerging technology areas. Defence Secretary and DRDO Chairman Shri Rajesh Kumar Singh extended his congratulations to the teams involved, wishing them success in achieving the project’s objectives. The project is being overseen and supported by the Director of Solid State Physics Laboratory and their team, with oversight provided by DG MCC and DG TM. Source: https://www.pib.gov.in/PressReleasePage.aspx?PRID=2314536 More like thisQuantum Computing Business NewsD-Wave shows

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Who’s News: Strategic Appointments at D-Wave Quantum, Oxford Quantum Circuits, and Bifrost Electronicsquantum-computing

Who’s News: Strategic Appointments at D-Wave Quantum, Oxford Quantum Circuits, and Bifrost Electronics

Who’s News: Strategic Appointments at D-Wave Quantum, Oxford Quantum Circuits, and Bifrost Electronics D-Wave Quantum Inc. (NASDAQ: QBTS) has appointed veteran financial technology executive Bernard Gavgani to its Board of Directors and Cybersecurity Committee. Gavgani currently serves as Senior Advisor for Technology and Innovation to BNP Paribas Group Executive Management and previously served as Group Chief Information Officer (CIO) of BNP Paribas. His extensive background in global technology strategy, cybersecurity, AI governance, and operational transformation will help strengthen D-Wave’s technology infrastructure and governance as the company expands its dual-platform quantum offerings for enterprise deployments. The official announcement is available here. Oxford Quantum Circuits (OQC) has appointed Simon Phillips as Chief Product Officer (CPO), transitioning him from his previous role as Chief Technology Officer (CTO). Phillips, who joined OQC in 2019, has led the development of three generations of quantum systems and the expansion of OQC’s deployed systems into colocation data centers. In his new role, he will lead OQC’s product strategy, focusing on commercializing enterprise-ready Quantum-AI data center platforms following the company’s recent £260 million Series C funding round and joint platform development initiatives with JPMorgan Chase and AMD. The full release can be viewed here. Bifrost Electronics has named deep-tech entrepreneur Doug Campbell as its new Chief Executive Officer (CEO). Campbell brings over two decades of startup and operational leadership experience, having previously co-founded and led Colorado battery startup Solid Power from its inception to an IPO in 2021. At Bifrost, Campbell will lead the commercialization and operational scaling of the company’s flagship Heimdall Amplifier—a magnetically insensitive quantum readout amplifier designed to eliminate Josephson junctions and resolve scaling bottlenecks for superconducting and

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Great News for IonQ Stock Investors!quantum-computing

Great News for IonQ Stock Investors!

The quantum computing company announced a huge breakthrough. *Stock prices used were the afternoon prices of Sept. 23, 2026. The video was published on Sept. 25, 2026. Read NextSep 25, 2026 •By Chris NeigerRigetti, D-Wave, or IonQ: Which Quantum Stock Has the Best Shot at Survival?Sep 25, 2026 •By Johnny RiceIonQ Has Made Another Quantum Computing Breakthrough: Here's What a $1,000 Investment in It Could Look Like in 5 YearsSep 25, 2026 •By Will HealyBetter Quantum Computing Stock: Nvidia vs. IonQSep 25, 2026 •By Keithen Drury$500 Invested in IonQ Now Could 10x if Quantum AI Hits by 2029Sep 24, 2026 •By Keith SpeightsIonQ Cleared One of Quantum Computing's Biggest Hurdles. Should You Buy the Stock?Sep 23, 2026 •By Robert IzquierdoBigBear.ai vs. IONQ: Comparing Revenue Trends Between an Artificial Intelligence Upstart and a Quantum Computer CompanyAbout the AuthorA Fool since 2019, and a graduate of Cal State LA with a B.S. in Finance and M.A. in Economics. Parkev is an adjunct professor of Finance and enjoys reading about financial and economic history. You'll often find him writing about stocks in the consumer goods and technology sectors.TMFParkevX@TMFParkevStocks MentionedIonQNYSE: IONQ$45.48(+1.11%)+$0.50Motley Fool Stock Advisor’s Latest PickGet Access---% Avg Return*Average returns of all recommendations since inception. Cost basis and return based on previous market day close.

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Best Quantum Computing Stocks To Research - September 25th - MarketBeatquantum-computing

Best Quantum Computing Stocks To Research - September 25th - MarketBeat

Best Quantum Computing Stocks To Research - September 25th Written by MarketBeatSeptember 25, 2026Add As Preferred SourceShareShareShare This ArticleLink copied to clipboard.Close Image from MarketBeat Media, LLC. Key Points IonQ, D-Wave Quantum, Quantum Computing Inc., Quantinuum, and Horizon Quantum Computing are highlighted as quantum-computing stocks to research based on recent trading activity. The companies span quantum hardware, cloud access, software, photonics, cybersecurity, and related services; IonQ and D-Wave provide cloud-based access to quantum systems, while Quantum Computing Inc. focuses on photonics-based and portable quantum technologies. Quantum computing offers potential exposure to rising demand for computing power—particularly from AI—but investors face significant risks, including technological uncertainty, high research costs, limited current revenue, and volatile valuations. MarketBeat previews top five stocks to own in October. IonQ’s AI Breakthrough Looks Big—But Can It Drive Revenue?IonQ, D-Wave Quantum, Quantum Computing, Quantinuum, and Horizon Quantum Computing Pte. are the seven Quantum Computing stocks to watch today, according to MarketBeat's stock screener tool. Quantum computing stocks are shares of publicly traded companies that develop quantum computers, related hardware and software, or supporting technologies and services. For investors, these stocks represent exposure to the potential growth of quantum computing, but they may also carry significant risks due to technological uncertainty, high research costs, limited current revenue, and volatile valuations. These companies had the highest dollar trading volume of any Quantum Computing stocks within the last several days. Get IonQ alerts:Sign UpIonQ (IONQ)IonQ, Inc. engages in the development of general-purpose quantum computing systems in the United States. It sells access to quantum computers of various qubit capacities. The company makes access to its quantum computers thr

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Rigetti, D-Wave, or IonQ: Which Quantum Stock Has the Best Shot at Survival?quantum-computing

Rigetti, D-Wave, or IonQ: Which Quantum Stock Has the Best Shot at Survival?

There's a lot of buzz surrounding quantum computing stocks right now, and three of the most popular among investors are Rigetti Computing (RGTI +0.97%), D-Wave Quantum (QBTS -0.40%), and IonQ (IONQ +1.11%). Their share prices have soared over the past three years, but most have lackluster sales, and rising costs mean that the jury is still out on their ability to survive over the long term. So, let's take a quick look at what each company is doing to stay in the fight and which one looks best positioned to be here years from now. Image source: Getty Images. IonQ's commercial business is expanding IonQ recently reported second-quarter revenue of $80.1 million, a 287% increase from the year-ago quarter. Part of that jump came from a recent acquisition of SkyWater Technology, a chip foundry business, but organic sales are on the rise, too. IonQ's management says that organic quantum computing revenue will double this calendar year. That's impressive growth and shows that IonQ can attract commercial customers. But investors should know that the company isn't profitable yet, and its losses are widening. IonQ's non-GAAP (adjusted) earnings before interest, taxes, depreciation, and amortization (EBITDA) loss was $120.3 million in the second quarter, much higher than its loss of $36.5 million in the year-ago quarter. Still, IonQ has cash and cash equivalents of $3 billion, so there's little worry that the company will run out of money any time soon. ExpandNYSE: IONQIonQPremium FeatureMoneyball Superscore63/100Today's Change(1.11%) $0.50Current Price$45.48Key Data Points*:nth-last-child(-n+2)]:border-b-0">Market Cap$18BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.Day's Range$44.12 - $46.5552wk Range$25.89 - $84.64Volume27.4MAvg Vol21.3MGross Margin-3317.96% Rigetti is gaining customers, but commercial sales are lacking Rigetti recently expanded its collabo

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IonQ Rises 4% as Post-Breakthrough Buying Continues; D-Wave Quantum Gains 3%, Rigetti Adds 2% - 24/7 Wall St.quantum-computing

IonQ Rises 4% as Post-Breakthrough Buying Continues; D-Wave Quantum Gains 3%, Rigetti Adds 2% - 24/7 Wall St.

Investing IonQ Rises 4% as Post-Breakthrough Buying Continues; D-Wave Quantum Gains 3%, Rigetti Adds 2% Quantum computing stocks are climbing again as a fresh wave of technical breakthroughs reshapes what investors think these companies can actually deliver, and the gap between hype and commercial reality has never mattered more. By David Moadel Published September 24, 2026, 1:14pm ET · 3 min read 𝕏 f ⧉ This post may contain links from our sponsors and affiliates, and Flywheel Publishing may receive compensation for actions taken through them. A close-up view of an IonQ quantum computing chip, representing the intricate technology at the heart of the company's ambitious valuation. Tonight's earnings report will shed light on the growth trajectory of this cutting-edge hardware. © Courtesy of IonQ Quantum computing stocks are extending their recent rebound Thursday as investors continue to digest a series of technical developments across the industry. IonQ (NYSE:IONQ | IONQ Price Prediction) stock is up 4% to $44.08, while D-Wave Quantum (NYSE:QBTS) stock is gaining 3% to $17.23 and Rigetti Computing (NASDAQ:RGTI) stock is adding 2% to $16.28.nextstayCCSettingsOffArabicChineseEnglishFrenchGermanHindiPortugueseSpanishFont ColorwhiteFont Opacity100%Font Size100%Font FamilyArialText ShadownoneBackground ColorblackBackground Opacity50%Window ColorblackWindow Opacity0%WhiteBlackRedGreenBlueYellowMagentaCyan100%75%50%25%200%175%150%125%100%75%50%ArialGeorgiaGaramondCourier NewTahomaTimes New RomanTrebuchet MSVerdanaNoneRaisedDepressedUniformDrop ShadowWhiteBlackRedGreenBlueYellowMagentaCyan100%75%50%25%0%WhiteBlackRedGreenBlueYellowMagentaCyan100%75%50%25%0%Video Muted The gains come as the broader market is relatively steady, with the Defiance Quantum ETF (NYSE ARCA:QTUM) up 0.16% to $152.70 and the SPDR S&P 500 ETF Trust (NYSE ARCA:SPY) up 0.07% to $768.36.

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CGI and D-Wave team up to bring quantum computing to businessesquantum-computing

CGI and D-Wave team up to bring quantum computing to businesses

CGI and D-Wave Quantum have formalized a partnership built on over a year of prior collaboration to accelerate the adoption of quantum computing for enterprise clients. The firms will focus initially on applying D-Wave’s unique dual-platform quantum systems, offering both annealing and gate-model approaches, to complex challenges in logistics, transportation, and retail. “Organizations are moving beyond research to evaluate where quantum technologies can improve optimization and enhance decision-making,” said Dave Henderson, Chief Technology Officer, CGI, as the companies plan to co-develop solutions for areas like train scheduling and supply chain planning.

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CGI and D-Wave Partner to Commercialize Enterprise Quantum Optimization Across Transportation, Logistics, and Retailquantum-computing

CGI and D-Wave Partner to Commercialize Enterprise Quantum Optimization Across Transportation, Logistics, and Retail

CGI and D-Wave Partner to Commercialize Enterprise Quantum Optimization Across Transportation, Logistics, and Retail Global IT consulting firm CGI Inc. (NYSE: GIB, TSX: GIB.A) and annealing quantum computing provider D-Wave Quantum Inc. (NASDAQ: QBTS) have entered into a strategic go-to-market partnership to scale the commercial deployment of quantum optimization solutions across enterprise organizations. Building on over a year of technical collaboration, CGI will integrate D-Wave’s dual-platform quantum hardware stack—including cloud access to the Advantage2™ annealing QPU and hybrid solver services—directly into its global IT services portfolio. The joint initiative pairs CGI’s global systems integration footprint (encompassing 94,000 consultants across enterprise logistics, transportation, and public sector domains) with D-Wave’s quantum annealing hardware. The partnership focuses on co-developing production-grade quantum optimization applications designed to augment classical computing infrastructure and resolve complex combinatorial challenges in supply chain, rail transportation, retail, and energy operations. [ CGI & D-Wave Joint Enterprise Solution Portfolio ]Industry DomainTarget Workloads & Use CasesQuantum Technology StackTransportation & Rail Operations• Dynamic train scheduling & dispatching• Rail network & yard traffic management• Rolling stock & crew resource allocation• D-Wave Advantage2™ QPU• Leap™ Quantum Cloud Service• Constrained Quadratic Model (CQM) SolversRetail & Supply Chain Logistics• Multi-echelon inventory & distribution planning• Last-mile delivery vehicle routing• Workforce shifts & scheduling optimization• Hybrid Quantum-Classical Solvers• CGI Enterprise Systems Integration• Real-time operational decision enginesIndustrial & Energy Grid Infrastructure• Production line throughput planning• Grid load balancing & maintenance scheduling• Asset lifecycle & predictive maintenance• D-Wave Quant

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Stock Market Today, Sept. 23: IonQ Surges on Quantum Breakthrough and Nvidia Partnershipquantum-computing

Stock Market Today, Sept. 23: IonQ Surges on Quantum Breakthrough and Nvidia Partnership

ExpandNYSE: IONQIonQPremium FeatureMoneyball Superscore63/100Today's Change(4.42%) $1.80Current Price$42.54Key Data Points*:nth-last-child(-n+2)]:border-b-0">Market Cap$17BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.Day's Range$41.63 - $46.0552wk Range$25.89 - $84.64Volume72.3MAvg Vol20.3MGross Margin-3317.96%IonQ (IONQ +4.42%), a full-stack trapped-ion quantum computing provider, closed at $42.54, up 4.42%. It rose after a real-time error-correction breakthrough and a research-center collaboration with Nvidia (NVDA -1.47%). Trading volume reached 69.9 million shares, coming in about 233% above its three-month average of 21.0 million shares. IonQ IPO'd in 2021 and has grown 294% since going public.How the markets moved todayThe S&P 500 (^GSPC -0.75%) fell 0.75% to 7,706, and the Nasdaq Composite (^IXIC -1.13%) fell 1.13% to 26,936. Among quantum computing hardware, software, and cloud-access services peers, Rigetti Computing (RGTI -3.12%) closed at $16.00, down 3.12%, and D-Wave Quantum (QBTS -4.27%) closed at $16.81, down 4.27%, as the group tracked IonQ's decoder news.What this means for investorsIonQ defied a tech downturn today on company-specific news, prompting investors to bet that its quantum computing developments signal a leadership position in the space. The company announced a breakthrough in error decoding with what it called "the industry's first end-to-end real-time quantum error correction decoder that runs on a single standard off-the-shelf central processing unit (CPU)."In addition to that news, IonQ announced a potentially important step toward commercializing its quantum systems. Its Superion 256 system will be installed in Nvidia's accelerated quantum research center to run as a niche processing system alongside Nvidia GPU (graphics processing unit) clusters.That could lead to hybrid developments and create large-scale sy

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CGI And D-Wave Quantum Partner to Advance Enterprise Quantum Adoption - The Quantum Insiderquantum-computing

CGI And D-Wave Quantum Partner to Advance Enterprise Quantum Adoption - The Quantum Insider

CGI And D-Wave Quantum Partner to Advance Enterprise Quantum Adoption The Quantum Insider

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CGI And D-Wave Quantum Partner to Advance Enterprise Quantum Adoptionquantum-computing

CGI And D-Wave Quantum Partner to Advance Enterprise Quantum Adoption

Insider Brief PRESS RELEASE — CGI (NYSE: GIB) (TSX: GIB.A), one of the largest independent IT and business consulting services firms in the world, today announced a strategic partnership with D-Wave Quantum Inc. (NASDAQ: QBTS) (“D-Wave“), the only dual-platform quantum computing company providing both annealing and gate-model systems, software and services. The partnership focuses on helping clients […]

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Quantum Computing Leaps Back Into the Scene - TheStreet Proquantum-computing

Quantum Computing Leaps Back Into the Scene - TheStreet Pro

trade-ideasQuantum Computing Leaps Back Into the SceneIonQ announced a major milestone in fault-tolerant quantum computing. Let’s see what it could mean for the technology and which I stock I’m eyeing now.Stephen Guilfoyle·Sep 23, 2026, 11:30 AM EDTYou've reached your free article limitYou've read 0 of 1 free Pro articles.Register free to read more Pro articlesUnlock unlimited Pro access — 50% off Today. Offer Ends soonAlready registered or a Pro member? Log in Quantum Computing stocks have been quiet for several months now after broadly selling off earlier this year. Readers know that I had made IBM (IBM) my name for quantum computing exposure after touring through the world of IonQ (IONQ), D-Wave (QBTS) and Infleqtion (INFQ). None of these names have done especially well since. IBM sold off and has worked its way sideways to higher. The sales that we made in the other names all ended up being good sales. Now, out of the blue, there is news. On Wednesday morning, IonQ announced a major milestone in fault-tolerant quantum computing. Researchers at IonQ demonstrated the development and successful testing of the industry’s first end-to-end real-time quantum error correction decoder that runs on a single standard off-the-shelf CPU (central processing unit). Why is this a big deal? According to the company, “Quantum error correction is essential for building practical, fault-tolerant quantum computers because physical qubits are inherently sensitive to environmental noise.” “However, finding and fixing those errors in real time has historically presented a significant computing challenge. In conventional approaches, the classical computers tasked with decoding errors can easily become overwhelmed. That creates a processing bottleneck that forces the quantum computer to pause and wait.” According to the company, this “breakthrough demonstrates that a single, standard computer processor can manage this complex workload continuously in the background, keeping the quantum s

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Quantum computing stocks rally after IonQ reports a fresh technical breakthrough - businessinsider.comquantum-computing

Quantum computing stocks rally after IonQ reports a fresh technical breakthrough - businessinsider.com

GPU Technology Conference 2026-09-23T14:55:00.068Z Read in app Copy link Email Facebook WhatsApp X LinkedIn Bluesky Threads lighning bolt icon An icon in the shape of a lightning bolt. Impact Link Save Saved Listen to this story This story is available exclusively to Business Insider subscribers. Become an Insider and start reading now. Have an account? Log in. Quantum computing stocks jumped on Wednesday, with IonQ leading a rally in the sector after reporting a breakthrough and a new deal to install its quantum tech in Nvidia's Accelerated Quantum Research Center.After a burst of burst of momentum throughout 2025, IonQ stock has struggled this year, down about 4% year to date after Wednesday's gain. The stock popped as much as 13% before paring.IonQ's peers in the sector also got a boost. Here were the big moves intraday in other quantum stocks: Here's where some of the sector's top movers were as markets opened on Wednesday.Infleqtion: +7%D-Wave Quantum: +7%Quantum Computing Inc: 7%Rigetti Computing: +7% The rally in the space on Wednesday was being driven by an announcement from IonQ regarding a breakthrough in "real-time quantum error-correction," marking a major technical milestone for the nascent technology.While the company's researchers showcased their work in this area in a paper published on September 3, they released a statement detailing further progress on Tuesday, highlighting what it describes as a significant milestone in quantum advancements. The gain was also being driven by news of a deal for IonQ to bring its quantum computing technology to an Nvidia research center meanto to "help drive the new breakthroughs needed to turn qubits into useful, large-scale quantum supercomputers capable of solving the world's hardest problems."Wednesday's momentum sparked enthusiasm from retail traders in online forums. The day trader crowd piled into quantum stocks during their big 2025 rally, and have been angling for a repeat this year, with little to show for

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CGI and D-Wave Partner on Enterprise Quantum Computingquantum-computing

CGI and D-Wave Partner on Enterprise Quantum Computing

Insider Brief PRESS RELEASE — CGI (NYSE: GIB) (TSX: GIB.A), one of the largest independent IT and business consulting services firms in the world, today announced a strategic partnership with D-Wave Quantum Inc. (NASDAQ: QBTS) (“D-Wave”), the only dual-platform quantum computing company providing both annealing and gate-model systems, software and services. The partnership focuses on […]

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IonQ Soars 10% After Breakthrough Sends Quantum Stocks Higher - Yahoo Financequantum-computing

IonQ Soars 10% After Breakthrough Sends Quantum Stocks Higher - Yahoo Finance

IonQ Soars 10% After Breakthrough Sends Quantum Stocks Higher Nauman Khan Wed, September 23, 2026 at 8:29 AM EDT 1 min read 7 IONQ +5.23% RGTI -2.30% QBTS -2.88% QUBT +2.81% This article first appeared on GuruFocus. IonQ (NYSE:IONQ) shares jumped 10% in early Wednesday after the quantum computing company announced a real-time quantum error-correction breakthrough. The stock rose to $45 from its $40.74 close, while other quantum computing companies also gained. Rigetti Computing (NASDAQ:RGTI) rose 6%, D-Wave Quantum (NASDAQ:QBTS) added 4% and Quantum Computing (NASDAQ:QUBT) advanced 3%. Warning! GuruFocus has detected 4 Warning Signs with IONQ. Is IONQ fairly valued? Test your thesis with our free DCF calculator. IONQ GF Value chart IonQ said researchers successfully tested an end-to-end, real-time quantum error-correction decoder on a single standard CPU. Quantum error correction is designed to detect and correct errors caused by noise in quantum systems, helping support larger and more reliable machines. The company said its decoder was tested on benchmark circuits simulating up to 408 logical qubits and more than 31.5 million quantum operations. Under standard operating noise, the system added as little as 0.02% to execution time. IonQ said the results support its plans to scale beyond 256 physical qubits toward systems capable of controlling thousands of qubits.

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Operator Score Matching for Learning Quantum Hamiltoniansquantum-computing

Operator Score Matching for Learning Quantum Hamiltonians

--> Quantum Physics arXiv:2609.25246 (quant-ph) [Submitted on 21 Sep 2026] Title:Operator Score Matching for Learning Quantum Hamiltonians Authors:Shreya Shukla, Abhijith Jayakumar, Andrey Y. Lokhov View a PDF of the paper titled Operator Score Matching for Learning Quantum Hamiltonians, by Shreya Shukla and 2 other authors View PDF HTML (experimental) Abstract:Learning quantum Hamiltonians from low-temperature thermal state measurements is a fundamental problem in quantum physics. Scalability of existing methods is limited by the complexity of semidefinite optimization problems or partition function computation. Here, we develop a quantum analog of classical score matching method that exploits generalized notions of derivatives and integration by parts in operator algebras. We introduce a new \emph{Operator Score Matching} loss function that recovers Hamiltonian parameters by a simple gradient descent without the need to compute intractable normalization constants. Numerical experiments on the Gibbs states of the transverse-field Ising model, XXZ spin chain, Fermi-Hubbard model, and lattice $\phi^4$ theory demonstrate efficient parameter recovery using finite-depth truncations of nested commutator expansions. Our results establish Operator Score Matching as a practical, partition-function-free framework for quantum Hamiltonian learning. Subjects: Quantum Physics (quant-ph) Report number: LA-UR-26-23901 Cite as: arXiv:2609.25246 [quant-ph]   (or arXiv:2609.25246v1 [quant-ph] for this version)   https://doi.org/10.48550/arXiv.2609.25246 Focus to learn more arXiv-issued DOI via DataCite (pending registration) Submission history From: Shreya Shukla [view email] [v1] Mon, 21 Sep 2026 18:02:28 UTC (708 KB) Full-text links: Access Paper: View a PDF of the paper titled Operator Score Matching for Learning Quantum Hamiltonians, by Shreya Shukla and 2 other authorsView PDFHTML (experimental)TeX Source view license Current browse context: quant-ph < pre

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IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc. Are Sending Shockwaves Through Wall Street With This $895 Million Warning - The Motley Foolquantum-computing

IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc. Are Sending Shockwaves Through Wall Street With This $895 Million Warning - The Motley Fool

Although the artificial intelligence infrastructure build-out is the stock market's hottest trend, it's not the only innovative trend driving up equity valuations.Excitement for the evolution and real-world application of quantum computers is building on Wall Street. Over the trailing two years, shares of pure-play quantum computing stocks IonQ (IONQ +3.53%), Rigetti Computing (RGTI +4.89%), D-Wave Quantum (QBTS +3.45%), and Quantum Computing Inc. (QUBT +2.99%) have soared by approximately 400%, 1,820%, 1,670%, and 1,200%, respectively. Image source: Getty Images. While the signing of contracts and the forging of early-stage partnerships have produced life-altering gains for this pure-play quartet, the outlook for quantum computing stocks isn't as rosy as their trailing two-year returns imply. The people who know IonQ, Rigetti, D-Wave, and Quantum Computing best are sending the wrong signals to Wall Street.Quantum computing pure-play insiders are sending shockwaves through Wall StreetThough Wall Street analysts spend their days better understanding the ins and outs of the companies and industries they cover, no individuals understand these four pure-play quantum computing stocks better than their insiders.An "insider" is a high-ranking executive, board member, or beneficial owner of at least 10% of a company's outstanding shares who may possess non-public information. For transparency and to comply with securities law, insiders are required to report any transactions in their company's stock within two business days.ExpandNYSE: IONQIonQPremium FeatureMoneyball Superscore63/100Today's Change(3.53%) $1.38Current Price$40.51Key Data Points*:nth-last-child(-n+2)]:border-b-0">Market Cap$16BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.Day's Range$39.83 - $40.9352wk Range$25.89 - $84.64Volume403.2KAvg Vol20.4MGross Margin-3317.96%It's the insider trading

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