Top Quantum Hardware Companies 2026 By Modality
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Top quantum hardware companies in 2026 split across six modalities: superconducting, trapped-ion, neutral-atom, photonic, silicon-spin, and a handful of specialty platforms (topological, cat-qubit, annealing, NV-diamond). This guide profiles the leading commercial vendor in each modality, with the latest milestones, qubit counts, and links to deeper coverage. 20Companies trackedAcross six modalities, six countries 4,400+Largest qubit countD-Wave Advantage2 (annealing) 96Logical qubitsQuEra, January 2026 (Nature) $10B+Pre-IPO valuationQuantinuum, Series C September 2025 The numbers above benchmark the state of quantum hardware in 2026. Sources: company filings, Nature, and the entangledfuture.com Quantum Navigator. Modality leaders at a glance SuperconductingIBM Quantum1,121 physical qubits, Heron R2 + Nighthawk Trapped-IonQuantinuum98 physical, 48 logical qubits, 99.92% fidelity Neutral-AtomQuEra Computing448 atoms, 96 verified logical qubits (Nature) PhotonicPsiQuantum$1B Series E at $7B valuation, fusion-based Silicon-SpinDiraq300mm CMOS, 99.85% single-qubit at 1 K SpecialtyD-Wave Systems4,400+ qubit annealer + new gate-based unit How We Selected These Companies A company makes the leading quantum hardware vendors list only if it passes all five gates: Operating hardware, not simulators or pure software. Must have a named physical platform. Customer-accessible in last 24 months. Cloud-bookable, on-prem deliverable, or available to outside researchers. Active company status. Not in liquidation, not pivoted out of quantum. Public credibility signal: peer-reviewed paper, disclosed funding round, or named commercial customer / national-lab partnership in last 24 months. Independent hardware path. Not a reseller or wrapper of someone else’s hardware. Within each modality we rank companies by demonstrated qubit count, gate fidelity, customer access, funding raised, peer-reviewed papers, and recent milestones. The list is refreshed quarterly with full annual re-screen against the gates above. Superconducting qubits cool to ~10 millikelvin in dilution refrigerators and use microwave control. The modality has the highest qubit counts in 2026 and the longest commercial track record. 1,121 Physical qubitsCondor chip Hardware: Heron R2 (156 qubits, Dec 2024); Nighthawk (120 qubits, Nov 2025); Condor (1,121 qubits, Dec 2023 scale demo). Latest milestone: March 2026: simulated the magnetic crystal KCuF3 in collaboration with Oak Ridge National Laboratory, Purdue, and LANL, matching peer-reviewed neutron-scattering data. IBM operates the largest commercial superconducting fleet and was selected for DARPA QBI Stage B in November 2025. Heron R2 and the November 2025 Nighthawk processor headline the production roadmap, while Condor remains the highest-qubit single-chip device. Qiskit 2.3 (Jan 2026) extended C API access for HPC integration. IBM Quantum, one of the top quantum hardware companies → 105 Error-corrected qubitsWillow chip Hardware: Willow (105 qubits, Dec 2024) with below-threshold quantum error correction; new neutral-atom programme led by Adam Kaufman at Boulder (Mar 2026). Latest milestone: March 2026: Google announced a dual-modality strategy adding neutral-atom hardware alongside superconducting Willow. Google Quantum AI runs the most influential quantum-error-correction research programme in industry. Willow delivered the first below-threshold QEC demonstration in December 2024, and the October 2025 Quantum Echoes algorithm reported a 13,000x speedup on specific problems. Google acquired the Atlantic Quantum team for fluxonium expertise in October 2025. Google Quantum AI on the top quantum hardware companies leaderboard → 108 Physical qubitsCepheus-1-108Q Hardware: Cepheus-1-108Q (108 qubits, 2026) multi-chip system with 99.5% 2Q fidelity; Ankaa-3 (84 qubits, 2024) sub-30 ns adiabatic CZ gates. Latest milestone: March 2026: Rigetti announced a $100M UK investment with a target to deploy a 1,000+ qubit system within 3 to 4 years. Rigetti is the public-company superconducting pure-play, listed on NASDAQ as RGTI. Its 2026 Cepheus-1-108Q multi-chip system reached 99.5% two-qubit gate fidelity using sub-30-nanosecond adiabatic CZ gates. C-DAC India placed an $8.4M purchase order for a 108-qubit deployment, and Rigetti integrated NVIDIA NVQLink for hybrid quantum-classical workloads. Visit Rigetti → 35 Physical qubitsToshiko Gen-1 Hardware: Toshiko Gen-1 (35 qubits, coaxmon, June 2023); Genesis dual-rail Dimon architecture targeted for 2026. Latest milestone: September 2025: NYC Quantum-AI data centre operational with NVIDIA GH200 GPUs alongside the OQC quantum stack. OQC is a UK-based superconducting hardware company using a proprietary coaxmon qubit architecture and a dual-rail Dimon roadmap. The company demonstrated wafer-scale packaging for 500+ qubits in 2025 and co-founded the Quantum Datacenter Alliance with Cisco, Quantinuum, and QuEra. OQC focuses on enterprise data-centre deployments rather than cloud-only access. Visit OQC → Trapped-ion qubits hold individual atoms in electromagnetic Paul traps and address them with lasers. The modality has the highest gate fidelities in industry but lower qubit counts than superconducting. 98 Trapped ionsHelios system Hardware: Helios (98 barium ions, 99.92% 2Q fidelity, 48 logical qubits, Nov 2025); H2-1 (56 ytterbium ions, production, 2023). Latest milestone: November 2025: launched Helios with 98 barium ions, 99.92% two-qubit gate fidelity, and 48 fully error-corrected logical qubits. Quantinuum (formed 2021 from Honeywell Quantum + Cambridge Quantum) holds the highest gate fidelities in industry. The November 2025 Helios system achieved 33.5 million quantum volume, and Quantinuum filed a confidential S-1 with the SEC in January 2026 for a proposed IPO. Helios was first installed outside the US in Singapore in March 2026. Visit Quantinuum → 64 Algorithmic qubitsForte / Tempo Hardware: Forte (AQ32) production system; Tempo (AQ64) targeted for late 2025; Forte Enterprise units delivered to AFRL and US national labs. Latest milestone: January 2026: announced a $1.8B acquisition of SkyWater Technology, targeting 200,000-qubit QPUs by 2028. IonQ (NYSE: IONQ) is the largest publicly listed pure-play quantum company by market cap and the first quantum-pure-play above $100M GAAP revenue ($130M in 2025, 202% YoY). The company completed the $1.075B Oxford Ionics acquisition in September 2025, unlocking Electronic Qubit Control technology, and reached 99.99% two-qubit fidelity on barium R&D prototypes. Visit IonQ → 24 Trapped ionsIBEX Q1 Hardware: IBEX Q1 (rack-mount trapped-ion system, on Amazon Braket with EU data residency); PINE legacy system. Latest milestone: February 2026: AQT and Scaleway launched a sovereign European trapped-ion quantum cloud with EU data residency. AQT is the Austrian academic spinout from Innsbruck (Rainer Blatt’s group), commercialising rack-mount trapped-ion systems. The PIAST-Q EuroHPC installation in Poland went live in June 2025, and AQT won a €12.28M European tender in October 2025. The IBEX Q1 system has been integrated into Amazon Braket with European data residency. Visit AQT → Neutral-atom qubits hold individual atoms in optical-tweezer arrays and excite them to Rydberg states for entanglement. The fastest-scaling modality, with 1000+ atom systems demonstrated in 2024. 448 AtomsGemini system Hardware: Gemini (digital, 256 atoms, 2025); Aquila (analog, 256 atoms); 448-physical / 96-logical qubit demonstration. Latest milestone: January 2026: demonstrated 96 logical qubits from 448 physical atoms with below-threshold error suppression, published in Nature. QuEra is the Boston-based Harvard-MIT spinout that pioneered commercial neutral-atom quantum computing. The January 2026 Nature paper on [[16,6,4]] high-rate codes achieving 96 logical qubits is the largest verified logical-qubit count to date. QuEra raised a $230M Series B in March 2025 led by Google Quantum AI and SoftBank. Visit QuEra → 1,200 AtomsPhoenix system Hardware: Phoenix (1,200 atoms, optical-tweezer); Magne (Atom + Microsoft + QuNorth, late 2026 target with 50 logical qubits). Latest milestone: March 2026: integrated NVIDIA NVQLink for tightly coupled GPU-QPU hybrid quantum-classical workloads. Atom Computing’s optical-tweezer architecture allows atom count to scale quickly without major rewrites. QuNorth deployed the Atom + Microsoft Magne system commercially in Denmark in January 2026, and 28 logical qubits were demonstrated running the Bernstein-Vazirani algorithm. Atom Computing was named Fast Company’s #10 Most Innovative Company in 2025.
Visit Atom Computing → 324 AtomsFresnel 2 system Hardware: Fresnel 2 (324 atoms, analog and digital); Vela next-generation system; QPUs available on Scaleway and OVHcloud sovereign clouds. Latest milestone: February 2026: Pasqal delivered a 140-qubit system to CINECA in Bologna, integrated with the Leonardo supercomputer. Pasqal is the French neutral-atom champion, founded by Antoine Browaeys and 2022 Nobel laureate Alain Aspect. The company deployed a 200-qubit system at Saudi Aramco’s Dhahran data centre in November 2025 and raised €340M in March 2026 at a $2B valuation. LG Electronics took an equity stake to co-develop optical and electronic modules. Visit Pasqal → 1,600 AtomsSqale system Hardware: Sqale (1,600 atoms, 99.73% 2Q fidelity on a 114-qubit array, 2025); Sqorpius commercial system; Tiqker optical atomic clock. Latest milestone: February 2026: completed SPAC merger with Churchill Capital Corp X and listed on NYSE as INFQ, the first publicly traded neutral-atom quantum company. Infleqtion (formerly ColdQuanta) operates across quantum computing, sensing, and timing using neutral-atom technology. The Sqale system reached 99.73% two-qubit gate fidelity on a 114-qubit array in December 2025, and the Tiqker optical atomic clock delivered 40x timing-precision improvement over GPS. Infleqtion received an $11M US Department of Defense GPS-denied navigation contract in April 2026. Visit Infleqtion → Photonic qubits use single photons in waveguides and rely on measurement-based or continuous-variable architectures. The modality targets fault-tolerant scale via CMOS-compatible silicon-photonic integration. 1M+ Target qubitsOmega target Hardware: Omega photonic-chip platform pursuing fusion-based quantum computation at fault-tolerant scale; 99.22% two-qubit fidelity on integrated photonics. Latest milestone: February 2026: Victor Peng was named Interim CEO with Jeremy O’Brien moving to Executive Chairman. PsiQuantum is the most-funded private quantum-computing company, pursuing a Saudi-tolerant million-qubit machine via silicon photonic manufacturing. The company raised $1B Series E at a $7B valuation in September 2025, advanced to DARPA QBI Stage C in February 2025, and broke ground on its Chicago facility in October 2025. Visit PsiQuantum → 216 Photonic modesAurora system Hardware: Aurora (35-chip photonic processor, 13 km fiber-connected, published in Nature); Borealis (Gaussian boson sampling). Latest milestone: March 2026: Xanadu began trading on Nasdaq and TSX as XNDU after a SPAC merger. Xanadu is the Toronto-based photonic-quantum company that demonstrated quantum advantage on Borealis and is now pursuing room-temperature measurement-based fault tolerance. Xanadu published a GKP error-correction breakthrough in Physical Review Letters in June 2025 and received CA$23M from Canada’s Quantum Champions Programme. Visit Xanadu → 90 Photonic modesPT-2 / PT-3 Hardware: PT-1, PT-2, PT-3 photonic systems (room temperature, telecom wavelength); PT-2 deployed at UK MoD and Oak Ridge National Laboratory. Latest milestone: January 2026: Toyota and ORCA demonstrated over 80 percent compute-time reduction for AI workloads using photonic quantum reservoir computing. ORCA is a UK photonic quantum-hardware company using Shyperse Coltrap approaches. The PT-1 system was delivered to UK Ministry of Defence and Oak Ridge National Laboratory and operates at room temperature, simplifying deployment compared to cryogenic alternatives. Visit ORCA → Silicon-spin qubits encode information in single-electron spins in CMOS-compatible silicon devices. Qubit counts lag other modalities but the manufacturing-scalability story is the strongest. 300mm Si-MOS qubitsCMOS chip Hardware: CMOS-compatible silicon-spin qubit chips manufactured on 300mm wafers at GlobalFoundries and IMEC; 99.85% single-qubit and 98.92% two-qubit fidelity at 1 K. Latest milestone: November 2025: selected for DARPA QBI Stage B, advancing the silicon-spin platform toward utility-scale quantum computing. Diraq is the UNSW spinout commercialising Andrew Dzurak’s silicon-MOS quantum-dot architecture. The platform is CMOS-compatible, holding the promise of leveraging existing semiconductor manufacturing infrastructure. Diraq demonstrated a low-latency hybrid classical-quantum link with NVIDIA via NVQLink in October 2025. Visit Diraq → 1,024 Si-spin qubitsdot array Hardware: 1,024 quantum-dot array on a 300mm CMOS wafer; 384-qubit silicon quantum-dot chip; world’s fastest dispersive readout (~8 microseconds, Nature Electronics). Latest milestone: September 2025: delivered the first full-stack silicon-CMOS quantum computer to the UK NQCC. Quantum Motion is the UK silicon-spin company spun out of UCL and Oxford. The 2025 commercial-foundry demonstration is a milestone for the silicon-spin modality, which has lagged superconducting and trapped-ion in qubit count but offers the strongest manufacturing-scalability story.
Visit Quantum Motion → Specialty modalities cover topological (Microsoft), cat-qubit (Alice & Bob), annealing (D-Wave), and NV-diamond (Quantum Brilliance) approaches that do not fit the five mainstream camps. 8 TopologicalMajorana 1 Hardware: Majorana 1 (Feb 2025) topological-core processor with Majorana zero modes; 24 entangled logical qubits via Atom Computing partnership. Latest milestone: February 2025: Microsoft announced Majorana 1, the world’s first quantum processor using a topological core with Majorana zero modes. Specialty modalities cover topological (Microsoft), cat-qubit (Alice & Bob), annealing (D-Wave), and NV-diamond (Quantum Brilliance) approaches that do not fit the five mainstream camps. Microsoft pursues topological quantum computing, the most ambitious and longest-shot of the modalities. The 2025 Majorana 1 announcement was the most distinct signature of that year, with critics including some at Bell Labs and KITP arguing the topological-qubit signatures are incomplete.
Visit Microsoft Quantum → 16 Cat qubitsBoson 4 Hardware: Boson 4 (16 cat qubits, bosonic encoding, Sept 2025) with bit-flip lifetime exceeding one hour; Elevator Codes demonstrating ~10,000x lower error rates. Latest milestone: April 2026: Alice & Bob raised €130M, bringing cumulative funding to €230M+ with 200+ employees. Alice & Bob is the French startup commercialising cat qubits, a bosonic-encoding approach where bit-flip errors are exponentially suppressed by hardware.
The Heart Code magic-state preparation protocol (Aug 2025) requires only 53 qubits, against 463 in a comparable Google proposal, showcasing how cat-qubit architectures reduce qubit overhead at the cost of greater control complexity. Visit Alice & Bob → 4,400+ Annealer qubitsAdvantage2 Hardware: Advantage2 (4,400+ annealing qubits, production, 2x coherence improvement); Advantage; gate-based architecture acquired Jan 2026. Latest milestone: January 2026: D-Wave acquired Quantum Circuits Inc. for $550M, becoming the first dual-platform quantum company spanning annealing and gate-based architectures. D-Wave is the longest-running commercial quantum-computing company, founded in 1999, listed on NYSE as QBTS. The Advantage2 series remains the dominant commercial quantum-annealing platform, deployed at Volkswagen, Lockheed Martin, and Forschungszentrum Julich. D-Wave’s $150M at-the-market equity offering brought cash reserves to $320M. Visit D-Wave → 5 NV-diamondQB-QDK2.0 Hardware: QB-QDK2.0 (5 qubits, room-temperature NV-centre quantum accelerator); roadmap targets 25-100 qubit systems by 2026-2027. Latest milestone: May 2025: Quantum Brilliance launched Europe’s first room-temperature quantum accelerator at Fraunhofer IAF. Quantum Brilliance is the Australian-German company commercialising nitrogen-vacancy diamond quantum computers. NV-diamond operates at room temperature, opening deployment paths impossible for cryogenic competitors, though qubit counts remain modest. Three QB-QDK2.0 units were deployed at Oak Ridge National Laboratory in 2025.
Visit Quantum Brilliance → The numbers behind the namesTrack the verified logical-qubit demonstrations across QuEra, Quantinuum, Atom Computing, Microsoft, Google, and Infleqtion in our companion ranking. See the leaderboard Comparison Table ModalityLeading vendorQubit count (2026)StrengthLimitation SuperconductingIBM, Google105-1121Highest qubit count, mature stackCryogenic, fab-intensive Trapped-IonQuantinuum, IonQ12-98Highest gate fidelity (Quantinuum Helios 99.92%)Slow gates, scaling challenge Neutral-AtomQuEra, Atom Computing, Infleqtion324-1600Fastest-scaling, room-temperature optics, 96 logical qubits (QuEra)Coherence times, gate fidelity catching up PhotonicPsiQuantum, XanaduModes, not qubitsFault-tolerant target, CMOS-fab compatibleLoss-rate engineering Silicon-SpinDiraq, Quantum Motion10sManufacturing scalabilityYears behind on qubit count TopologicalMicrosoft (Majorana 1)8 hardware + 24 logical via Atom partnershipLower error-correction overhead if it worksDisputed physics, longest-shot 2024 to 2029 roadmap of the top quantum hardware companies December 2024Google Willow demonstrates below-threshold quantum error correction, the first time a logical-qubit error rate dropped as code distance grew. February 2025Microsoft Majorana 1, the first topological-core processor using indium-arsenide and aluminium heterostructure, claims a hardware path to one million qubits. November 2025Quantinuum Helios launches with 98 barium ions, 99.92 percent two-qubit fidelity, and 48 fully error-corrected logical qubits. Quantinuum closes a $600M Series C at $10B pre-money. January 2026QuEra Computing publishes 96 verified logical qubits from 448 atoms in Nature. IonQ announces a $1.8B SkyWater acquisition. D-Wave acquires Quantum Circuits Inc. for $550M to add gate-based hardware. February 2026Infleqtion lists on NYSE as INFQ via SPAC, the first publicly traded neutral-atom quantum company. March 2026Xanadu begins trading on Nasdaq and TSX as XNDU. Pasqal raises EUR 340M at $2B valuation. Rigetti announces a $100M UK investment with a 1,000+ qubit deployment target. Late 2026 (target)Atom Computing + Microsoft + QuNorth Magne system targets 50 logical qubits and 1,200+ physical qubits. 2027 (target)Pasqal and Quantinuum both target 100+ logical qubits on next-generation systems. 2028 (target)IonQ Tempo at 200,000-physical-qubit scale (post SkyWater integration), enabling thousands of logical qubits. 2029 (target)IBM Quantum public roadmap: 200 logical qubits. Top quantum hardware companies 2026 Outlook The leading hardware vendors crossed the 1,000-qubit threshold in 2025 and are now in a logical-qubit race. Superconducting (IBM Condor at 1,121, Nighthawk 120-qubit production) and neutral-atom (Atom Phoenix 1,200, Infleqtion Sqale 1,600) cleared the threshold first; QuEra demonstrated 96 verified logical qubits and Quantinuum Helios delivered 48 in November 2025. The remaining races for 2026: a practically useful logical qubit in a commercial product, sustained 99.99% two-qubit fidelity in production (IonQ and Quantinuum are converging), and a credible scalability proof for the long-shot modalities (topological, photonic, silicon-spin). For independent benchmarks of the the modality leaders, see the NIST Quantum Information Science programme tracking the top quantum hardware companies. Investor money in 2024-2025 concentrated on PsiQuantum’s $1B Series E and Quantinuum’s IPO preparations, signalling that the top quantum hardware companies are entering a public-markets phase. Expect at least two and as many as four pure-play quantum hardware IPOs by end of 2027, alongside continued consolidation as smaller modality plays merge into larger platforms. For deeper coverage of individual companies and modalities, see our mega list of quantum companies and our 2026 quantum companies overview. Top quantum hardware companies FAQ Who are the top quantum hardware companies in 2026?The leading vendors split by modality: IBM and Google for superconducting; Quantinuum and IonQ for trapped-ion; QuEra, Atom Computing, Pasqal, and Infleqtion for neutral-atom; PsiQuantum and Xanadu for photonic; Diraq and Quantum Motion for silicon-spin; Microsoft, Alice & Bob, D-Wave, and Quantum Brilliance for specialty platforms. Which quantum hardware modality leads in 2026?Superconducting holds the highest qubit count, with IBM Condor at 1121 physical qubits. Trapped-ion (Quantinuum, IonQ) holds the highest gate fidelities. Neutral-atom (Atom Computing Phoenix at 1200 atoms (Infleqtion Sqale at 1600 atoms is the largest neutral-atom system)) is the fastest-scaling. No single modality leads on all metrics; the right answer depends on the workload. Which top quantum hardware companies are publicly traded?IonQ (NYSE: IONQ), Rigetti (NASDAQ: RGTI), and D-Wave (NYSE: QBTS) are the long-running public quantum-hardware pure-plays. The 2026 cohort added Infleqtion (NYSE: INFQ, February 2026 SPAC merger and the first publicly traded neutral-atom company) and Xanadu (Nasdaq/TSX: XNDU, March 2026 SPAC merger). IBM (NYSE: IBM) and Google (Alphabet, NASDAQ: GOOG) operate quantum hardware as part of much larger businesses. Quantinuum filed a confidential S-1 with the SEC in January 2026 for a proposed IPO. Should I follow all the top quantum hardware companies, or focus?Follow modality leaders rather than tracking every vendor. The top quantum hardware companies concentrate around six modalities, each with one to three serious commercial competitors. Focusing on IBM (superconducting), Quantinuum (trapped-ion), QuEra or Atom Computing (neutral-atom), PsiQuantum (photonic), and Microsoft (topological) gives full coverage of the modality space without listicle fatigue. Last reviewed: May 2026 · Next quarterly refresh: August 2026 · This list is editorial and not sponsored. Suggest a company. Tags: