{ "title": "Ownership changes in European quantum", "notice": "A factual record of completed and announced acquisitions and majority-stake purchases, each from the sources named with the date read: official sources (a release of the acquirer or the target, a filing or a screening decision), or a named press source where no official one could be read, then marked partly verified. Announced deals that are not completed are listed apart with their status. It contains no prediction, rumour or rating, and it is not exhaustive.", "licence": "CC BY 4.0 (compilation); facts cite their sources", "compiled": "2026-10-26", "checked": "2026-10-26", "computed": "2026-10-28T17:08:31Z", "scope": "2018 to 26 October 2026. Priority: European targets (EU, EEA, United Kingdom, Switzerland), acquisitions by European companies and the main serial acquirers worldwide. Listings through mergers with listed shell companies (SPACs), minority investments and asset purchases out of administration are not acquisitions here and are listed under left out.", "filters": { "target": "", "acquirer": "", "segment": "", "year": 0 }, "regions": { "EU": "European Union", "EEA": "EEA outside the EU (Iceland, Liechtenstein, Norway)", "UK": "United Kingdom", "CH": "Switzerland", "NA": "North America", "APAC": "Asia and Pacific", "OTHER": "Rest of the world" }, "segments": { "quantum-computers": "Quantum computers and processors", "quantum-software": "Quantum software and algorithms", "qkd-networking": "QKD, quantum networking and memories", "pqc": "Post-quantum cryptography and quantum-safe security", "sensing-timing": "Quantum sensing, clocks and navigation", "control-electronics": "Control and readout electronics, test and measurement", "cryogenics": "Cryogenics and dilution refrigerators", "photonics": "Photonics, lasers and detectors", "materials-fabrication": "Chips, materials, vacuum and fabrication", "adjacent": "Adjacent technology bought by a quantum company (not quantum)" }, "verification": { "verified": "Verified", "partly-verified": "Partly verified" }, "summary": { "totals": { "deals": 41, "verified": 30, "partly": 11, "european_targets": 19, "outward": 11, "european_acquirers": 11, "inward": 3 }, "outward_by_year": { "2018": 1, "2019": 0, "2020": 0, "2021": 1, "2022": 2, "2023": 0, "2024": 1, "2025": 2, "2026": 4 }, "outward_by_country": { "US": 6, "IL": 3, "JP": 1, "KR": 1 }, "outward_by_segment": { "control-electronics": 2, "qkd-networking": 2, "quantum-software": 2, "cryogenics": 1, "photonics": 1, "pqc": 1, "quantum-computers": 1, "sensing-timing": 1 }, "by_segment": { "quantum-software": 9, "adjacent": 6, "photonics": 6, "qkd-networking": 6, "sensing-timing": 4, "control-electronics": 3, "cryogenics": 3, "quantum-computers": 2, "materials-fabrication": 1, "pqc": 1 } }, "most_active_acquirers": [ { "name": "IonQ", "country": "US", "region": "NA", "deals": 11, "european": 2, "ids": [ "ionq-skywater-2026", "ionq-nexus-photonics-2026", "ionq-seed-innovations-2026", "ionq-skyloom-2026", "ionq-vector-atomic-2025", "ionq-oxford-ionics-2025", "ionq-capella-space-2025", "ionq-lightsynq-2025", "ionq-id-quantique-2025", "ionq-qubitekk-2024", "ionq-entangled-networks-2023" ], "targets": [ "SkyWater", "Nexus Photonics", "Seed Innovations", "Skyloom", "Vector Atomic", "Oxford Ionics", "Capella Space", "Lightsynq", "ID Quantique", "Qubitekk", "Entangled Networks" ] }, { "name": "QCi", "country": "US", "region": "NA", "deals": 4, "european": 0, "ids": [ "qci-nhanced-semiconductors-2026", "qci-luminar-semiconductor-2026", "qci-nucrypt-2026", "qci-qphoton-2022" ], "targets": [ "NHanced Semiconductors", "Luminar Semiconductor", "NuCrypt", "QPhoton" ] }, { "name": "Pasqal", "country": "FR", "region": "EU", "deals": 3, "european": 2, "ids": [ "pasqal-aeponyx-2025", "pasqal-my-cryo-firm-2022", "pasqal-quandco-2022" ], "targets": [ "Aeponyx", "My Cryo Firm", "Qu&Co" ] }, { "name": "Quantum Machines", "country": "IL", "region": "OTHER", "deals": 3, "european": 3, "ids": [ "quantum-machines-qharbor-2026", "quantum-machines-pcb-design-2026", "quantum-machines-qdevil-2022" ], "targets": [ "QHarbor", "PCB Design", "QDevil" ] }, { "name": "Infleqtion", "country": "US", "region": "NA", "deals": 2, "european": 0, "ids": [ "infleqtion-morton-photonics-2024", "infleqtion-super-tech-2022" ], "targets": [ "Morton Photonics", "Super.tech" ] }, { "name": "Quantum Design", "country": "US", "region": "NA", "deals": 2, "european": 2, "ids": [ "quantum-design-oxford-nanoscience-2026", "quantum-design-qnami-2026" ], "targets": [ "Oxford NanoScience", "Qnami" ] }, { "name": "SandboxAQ", "country": "US", "region": "NA", "deals": 2, "european": 1, "ids": [ "sandboxaq-good-chemistry-2024", "sandboxaq-cryptosense-2022" ], "targets": [ "Good Chemistry", "Cryptosense" ] }, { "name": "SEALSQ", "country": "CH", "region": "CH", "deals": 2, "european": 2, "ids": [ "sealsq-miraex-2026", "sealsq-ic-alps-2025" ], "targets": [ "Miraex", "IC'Alps" ] } ], "deals": [ { "id": "ionq-skywater-2026", "acquirer": "IonQ, Inc.", "acquirer_short": "IonQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "SkyWater Technology, Inc.", "target_short": "SkyWater", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2026-07-31", "year": 2026, "date_basis": "completion", "completed_text": "", "stake_percent": 100, "stake_text": "merger; SkyWater to operate as a wholly owned subsidiary of IonQ (per 28 Jul 2026 release)", "value": null, "segment": "materials-fabrication", "parts": [], "capabilities": [], "target_activity": "US semiconductor foundry (Trusted Foundry), providing IonQ a secure quantum foundry", "verification": "verified", "verification_note": "Completion release (also filed as 8-K Ex. 99.1) dated 31 Jul 2026. Per-share consideration only: '$15.00 in cash and 0.4883 shares of IonQ common stock for each share of SkyWater common stock'; no aggregate value read in an official source, so value=null (news cite ~USD 1.8bn). 28 Jul 2026 release reports regulatory approval incl. early termination of US review. Announcement (Jan 2026) date not read in an official release.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/0001824920/000119312526327127/ionq-ex99_1.htm", "publisher": "IonQ, Inc. (8-K Ex. 99.1)", "kind": "filing", "retrieved": "2026-10-26", "locator": "First paragraph: today completed its acquisition of SkyWater Technology" }, { "url": "https://ionq.com/news/ionq-completes-acquisition-of-skywater-technology", "publisher": "IonQ", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "Dateline 31 Jul 2026; consideration paragraph" }, { "url": "https://www.sec.gov/Archives/edgar/data/0001824920/000119312526321221/ionq-ex99_1.htm", "publisher": "IonQ, Inc. (8-K Ex. 99.1)", "kind": "filing", "retrieved": "2026-10-26", "locator": "28 Jul 2026 release on regulatory approval; 'wholly owned subsidiary' wording" } ], "portal": { "acquirer": null, "target": null } }, { "id": "ionq-nexus-photonics-2026", "acquirer": "IonQ, Inc.", "acquirer_short": "IonQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "Nexus Photonics, Inc.", "target_short": "Nexus Photonics", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2026-06-30", "year": 2026, "date_basis": "filing", "completed_text": "", "stake_percent": null, "stake_text": "acquired Nexus Photonics, Inc. (percentage not stated)", "value": { "amount": 76000000, "currency": "USD", "text": "for approximately $76.0 million of total consideration", "basis": "filing" }, "segment": "photonics", "parts": [], "capabilities": [], "target_activity": "integrated photonics supporting quantum computing, networking and sensing", "verification": "verified", "verification_note": "Closing date and consideration from IonQ Q2 2026 10-Q business-combinations note. No press release read.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1824920/000119312526341001/R12.htm", "publisher": "IonQ, Inc. (SEC 10-Q Q2 2026)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Business combinations note, Nexus Photonics paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "qci-nhanced-semiconductors-2026", "acquirer": "Quantum Computing Inc.", "acquirer_short": "QCi", "acquirer_country": "US", "acquirer_region": "NA", "target": "NHanced Semiconductors, Inc.", "target_short": "NHanced Semiconductors", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2026-06-23", "year": 2026, "date_basis": "filing", "completed_text": "", "stake_percent": 100, "stake_text": "will operate as a wholly owned subsidiary of QCi", "value": { "amount": 73100000, "currency": "USD", "text": "for a combination of cash and QCi stock valued at $73.1 million, subject to customary adjustments ... up to an additional $72.0 million if certain performance targets are achieved", "basis": "filing" }, "segment": "adjacent", "parts": [], "capabilities": [], "target_activity": "advanced semiconductor packaging, chiplets, photonic-device integration", "verification": "verified", "verification_note": "8-K Ex. 99.1 dated 23 Jun 2026 announces completion; completed = release date.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/0001758009/000121390026070872/ea029546601ex99-1.htm", "publisher": "Quantum Computing Inc. (8-K Ex. 99.1)", "kind": "filing", "retrieved": "2026-10-26", "locator": "First paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "sealsq-miraex-2026", "acquirer": "SEALSQ Corp", "acquirer_short": "SEALSQ", "acquirer_country": "CH", "acquirer_region": "CH", "target": "Miraex SA", "target_short": "Miraex", "target_country": "CH", "target_region": "CH", "announced": null, "completed": "2026-06-02", "year": 2026, "date_basis": "completion", "completed_text": "", "stake_percent": 100, "stake_text": "acquired entire issued share capital of Miraex SA", "value": null, "segment": "qkd-networking", "parts": [ "qm" ], "capabilities": [], "target_activity": "photonic quantum interconnects (microwave-to-optical transduction, thin-film lithium tantalate PICs)", "verification": "verified", "verification_note": "SEALSQ release dated 2 Jun 2026; completed = release date. Letter of intent announced 24 Mar 2026 (SEALSQ news archive). Price not disclosed.", "sources": [ { "url": "https://www.sealsq.com/investors/news-releases/sealsq-acquires-miraex-sa-cementing-its-quantum-sovereign-vertical-stack-and-quantum-orbital-space-cloud-qosc", "publisher": "SEALSQ", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "First paragraph" }, { "url": "https://www.sealsq.com/investors/news-releases/archive/2026/03", "publisher": "SEALSQ", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "24 Mar 2026 entry: letter of intent to acquire 100% of Miraex" } ], "portal": { "acquirer": null, "target": null } }, { "id": "quantum-machines-qharbor-2026", "acquirer": "Quantum Machines Ltd.", "acquirer_short": "Quantum Machines", "acquirer_country": "IL", "acquirer_region": "OTHER", "target": "QHarbor", "target_short": "QHarbor", "target_country": "NL", "target_region": "EU", "announced": "2026-05-05", "completed": null, "year": 2026, "date_basis": "announcement", "completed_text": "", "stake_percent": null, "stake_text": "acquisition of Dutch company QHarbor (percentage not stated)", "value": null, "segment": "quantum-software", "parts": [], "capabilities": [ "quantum-software" ], "target_activity": "quantum measurement-data management and software-defined experimentation platform (TU Delft spin-off)", "verification": "partly-verified", "verification_note": "Quantum Machines press release page returned 403; read Tech.eu report of 5 May 2026 ('today announced the acquisition of Dutch company QHarbor'). Terms not disclosed.", "sources": [ { "url": "https://tech.eu/2026/05/05/quantum-machines-acquires-qharbor-and-opens-delft-office-to-deepen-european-quantum-footprint/", "publisher": "Tech.eu", "kind": "press", "retrieved": "2026-10-26", "locator": "Opening paragraph" }, { "url": "https://www.quantum-machines.co/press-release/quantum-machines-acquires-qharbor-software-platform-europe-expansion/", "publisher": "Quantum Machines", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "Not readable (HTTP 403); listed for reference" } ], "portal": { "acquirer": null, "target": null } }, { "id": "qci-luminar-semiconductor-2026", "acquirer": "Quantum Computing Inc.", "acquirer_short": "QCi", "acquirer_country": "US", "acquirer_region": "NA", "target": "Luminar Semiconductor, Inc.", "target_short": "Luminar Semiconductor", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2026-02-02", "year": 2026, "date_basis": "filing", "completed_text": "", "stake_percent": 100, "stake_text": "LSI will operate as a wholly owned subsidiary of QCi", "value": { "amount": 110000000, "currency": "USD", "text": "in an all-cash transaction valued at $110 million", "basis": "filing" }, "segment": "adjacent", "parts": [], "capabilities": [], "target_activity": "photonic components: lasers, detectors, advanced packaging", "verification": "verified", "verification_note": "8-K Ex. 99.1 dated 2 Feb 2026 announces completion; completed = release date. Target is photonics (not quantum) bought by a quantum/photonics company.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1758009/000121390026011452/ea027538301ex99-1_quantum.htm", "publisher": "Quantum Computing Inc. (8-K Ex. 99.1)", "kind": "filing", "retrieved": "2026-10-26", "locator": "First paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "ionq-seed-innovations-2026", "acquirer": "IonQ, Inc.", "acquirer_short": "IonQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "Seed Innovations, LLC", "target_short": "Seed Innovations", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2026-01-30", "year": 2026, "date_basis": "filing", "completed_text": "", "stake_percent": 100, "stake_text": "all equity interests in Seed Innovations, LLC", "value": { "amount": 30100000, "currency": "USD", "text": "for approximately $30.1 million of total consideration", "basis": "filing" }, "segment": "adjacent", "parts": [], "capabilities": [], "target_activity": "software and machine-learning R&D", "verification": "verified", "verification_note": "8-K states completion on 30 Jan 2026 (Membership Interest Purchase Agreement dated 20 Jan 2026); consideration from Q2 2026 10-Q. Target is not itself a quantum company; included as a deal by a serial quantum acquirer.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1824920/000119312526032000/ionq-20260126.htm", "publisher": "IonQ, Inc. (SEC 8-K)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Item 3.02, Seed Acquisition" }, { "url": "https://www.sec.gov/Archives/edgar/data/1824920/000119312526341001/R12.htm", "publisher": "IonQ, Inc. (SEC 10-Q Q2 2026)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Business combinations note, Seed Innovations paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "ionq-skyloom-2026", "acquirer": "IonQ, Inc.", "acquirer_short": "IonQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "Skyloom Global Corp.", "target_short": "Skyloom", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2026-01-26", "year": 2026, "date_basis": "filing", "completed_text": "", "stake_percent": null, "stake_text": "acquired Skyloom Global Corp. (merger agreement dated 6 Nov 2025; percentage not stated)", "value": { "amount": 188500000, "currency": "USD", "text": "for approximately $188.5 million of total consideration", "basis": "filing" }, "segment": "adjacent", "parts": [], "capabilities": [], "target_activity": "free-space optical (laser) communications, photonic systems engineering, secure data transmission", "verification": "verified", "verification_note": "8-K (filed for event 26 Jan 2026) states completion on 26 Jan 2026 and merger agreement dated 6 Nov 2025; consideration from Q2 2026 10-Q business-combinations note.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1824920/000119312526032000/ionq-20260126.htm", "publisher": "IonQ, Inc. (SEC 8-K)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Item 3.02, Skyloom Acquisition" }, { "url": "https://www.sec.gov/Archives/edgar/data/1824920/000119312526341001/R12.htm", "publisher": "IonQ, Inc. (SEC 10-Q Q2 2026)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Business combinations note, Skyloom paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "d-wave-quantum-circuits-2026", "acquirer": "D-Wave Quantum Inc.", "acquirer_short": "D-Wave", "acquirer_country": "US", "acquirer_region": "NA", "target": "Quantum Circuits, Inc.", "target_short": "Quantum Circuits", "target_country": "US", "target_region": "NA", "announced": "2026-01-07", "completed": "2026-01-20", "year": 2026, "date_basis": "filing", "completed_text": "", "stake_percent": 100, "stake_text": "merger agreement under which D-Wave will acquire Quantum Circuits", "value": { "amount": 550000000, "currency": "USD", "text": "for a purchase price of $550 million, consisting of $300 million in D-Wave common stock and $250 million in cash", "basis": "filing" }, "segment": "quantum-computers", "parts": [ "sc" ], "capabilities": [], "target_activity": "error-corrected superconducting gate-model quantum computers (dual-rail qubits)", "verification": "verified", "verification_note": "Agreement release 7 Jan 2026 and completion release 20 Jan 2026, both filed as 8-K exhibits. stake_percent 100 inferred from merger structure.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1907982/000162828026002507/exhibit991-closing8xk.htm", "publisher": "D-Wave Quantum Inc. (8-K Ex. 99.1)", "kind": "filing", "retrieved": "2026-10-26", "locator": "First paragraph: completed its previously announced acquisition" }, { "url": "https://www.sec.gov/Archives/edgar/data/1907982/000190798226000010/d-waveannouncesagreementto.htm", "publisher": "D-Wave Quantum Inc. (8-K Ex. 99.1)", "kind": "filing", "retrieved": "2026-10-26", "locator": "First paragraph: merger agreement and purchase price" } ], "portal": { "acquirer": null, "target": null } }, { "id": "quantum-design-oxford-nanoscience-2026", "acquirer": "Quantum Design International, Inc.", "acquirer_short": "Quantum Design", "acquirer_country": "US", "acquirer_region": "NA", "target": "Oxford Instruments NanoScience (division of Oxford Instruments plc)", "target_short": "Oxford NanoScience", "target_country": "GB", "target_region": "UK", "announced": "2025-06-10", "completed": "2026-01-02", "year": 2026, "date_basis": "target", "completed_text": "", "stake_percent": 100, "stake_text": "sale of the quantum-focused NanoScience business (business sale)", "value": { "amount": 60000000, "currency": "GBP", "text": "£60m total cash consideration, including up to £3m of deferred consideration linked to future revenues from quantum scaling systems", "basis": "target" }, "segment": "cryogenics", "parts": [ "sc-cryo" ], "capabilities": [ "dilution-refrigerators" ], "target_activity": "dilution refrigerators, sub-kelvin cryostats and high-field superconducting magnets", "verification": "verified", "verification_note": "Quantum Design release dated 2 Jan 2026 announces 'the completion of the acquisition'; completed = release date (exact closing date not stated). Agreement and price from Oxford Instruments release of 10 Jun 2025. Business now operates as Quantum Design Oxford.", "sources": [ { "url": "https://qdusa.com/siteDocs/news/2026_01_02_QD_Completes_Acquisition_of_Oxford_NanoScience.pdf", "publisher": "Quantum Design", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "Dateline San Diego, 2 Jan 2026, first sentence" }, { "url": "https://www.oxinst.com/news/sale-of-oxford-instruments’-quantum-business,-nanoscience/", "publisher": "Oxford Instruments plc", "kind": "target", "retrieved": "2026-10-26", "locator": "First paragraphs: binding agreement, consideration, expected completion Q3 FY2025/26" } ], "portal": { "acquirer": null, "target": null } }, { "id": "qci-nucrypt-2026", "acquirer": "Quantum Computing Inc.", "acquirer_short": "QCi", "acquirer_country": "US", "acquirer_region": "NA", "target": "NuCrypt, LLC", "target_short": "NuCrypt", "target_country": "US", "target_region": "NA", "announced": null, "completed": null, "year": 2026, "date_basis": "filing", "completed_text": "March 2026", "stake_percent": null, "stake_text": "QCi completed the acquisition of NuCrypt, LLC (percentage not stated)", "value": { "amount": 5000000, "currency": "USD", "text": "in a transaction valued at $5 million", "basis": "filing" }, "segment": "qkd-networking", "parts": [], "capabilities": [], "target_activity": "quantum communications technology", "verification": "verified", "verification_note": "QCi release of 11 May 2026 (8-K Ex. 99.1) states completion in March 2026 (day not stated in the source read; QCR archive lists 5 Mar 2026).", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/0001758009/000121390026054470/ea028987801ex99-1.htm", "publisher": "Quantum Computing Inc. (8-K Ex. 99.1)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Q1 2026 highlights, acquisitions paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "quantum-design-qnami-2026", "acquirer": "Quantum Design International, Inc.", "acquirer_short": "Quantum Design", "acquirer_country": "US", "acquirer_region": "NA", "target": "Qnami AG", "target_short": "Qnami", "target_country": "CH", "target_region": "CH", "announced": null, "completed": null, "year": 2026, "date_basis": "period", "completed_text": "June 2026", "stake_percent": null, "stake_text": "Qnami has been acquired by Quantum Design (percentage not stated)", "value": null, "segment": "sensing-timing", "parts": [ "qs" ], "capabilities": [ "magnetometers" ], "target_activity": "diamond NV-centre quantum sensing and scanning probe microscopy", "verification": "partly-verified", "verification_note": "No release of the acquirer or the target could be read (the Venture Kick and Venturelab pages answered HTTP 503; htgf.de is not used under its robots.txt content signal). News reports of 3 to 9 June 2026 state the acquisition as made. Terms not disclosed.", "sources": [ { "url": "https://www.chemeurope.com/en/news/1188871/qnami-acquired-by-quantum-design.html", "publisher": "chemeurope.com (LUMITOS AG)", "kind": "press", "retrieved": "2026-10-26", "locator": "News item of 9 June 2026: Qnami has been acquired by Quantum Design International" }, { "url": "https://quantumcomputingreport.com/news-archive-2026/", "publisher": "Quantum Computing Report", "kind": "press", "retrieved": "2026-10-26", "locator": "Entry of 3 Jun 2026" } ], "portal": { "acquirer": null, "target": "/node/9960" } }, { "id": "quantum-machines-pcb-design-2026", "acquirer": "Quantum Machines Ltd.", "acquirer_short": "Quantum Machines", "acquirer_country": "IL", "acquirer_region": "OTHER", "target": "PCB Design Ltd. (PCB Engineering)", "target_short": "PCB Design", "target_country": "HU", "target_region": "EU", "announced": null, "completed": null, "year": 2026, "date_basis": "period", "completed_text": "June 2026", "stake_percent": null, "stake_text": "acquisition of Hungarian company PCB Engineering/PCB Design (percentage not stated)", "value": null, "segment": "control-electronics", "parts": [], "capabilities": [ "control-electronics" ], "target_activity": "high-speed, high-density electronic hardware design (for quantum control systems); Budapest R&D hub", "verification": "partly-verified", "verification_note": "Read the Quantum Machines announcement as republished by I-Connect007 (dated 25 Jun 2026); Quantum Computing Report archive lists it on 17 Jun 2026. Exact announcement/closing date not confirmed on the acquirer's own site. Value not disclosed.", "sources": [ { "url": "https://iconnect007.com/article/150551/quantum-machines-makes-second-european-acquisition-in-six-weeks-with-addition-of-pcb-design-ltd/150548/pcb", "publisher": "I-Connect007 (republished company release)", "kind": "press", "retrieved": "2026-10-26", "locator": "Opening paragraph" }, { "url": "https://quantumcomputingreport.com/news-archive-2026/", "publisher": "Quantum Computing Report", "kind": "press", "retrieved": "2026-10-26", "locator": "Entry of 17 Jun 2026" } ], "portal": { "acquirer": null, "target": null } }, { "id": "ionq-vector-atomic-2025", "acquirer": "IonQ, Inc.", "acquirer_short": "IonQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "Vector Atomic, Inc.", "target_short": "Vector Atomic", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2025-10-02", "year": 2025, "date_basis": "filing", "completed_text": "", "stake_percent": null, "stake_text": "acquired Vector Atomic, Inc. (percentage not stated)", "value": { "amount": 181500000, "currency": "USD", "text": "the Company acquired Vector Atomic, Inc. (\"Vector Atomic\") for approximately $181.5 million of stock consideration", "basis": "filing" }, "segment": "sensing-timing", "parts": [ "qs" ], "capabilities": [], "target_activity": "quantum sensing (atomic clocks and sensors)", "verification": "verified", "verification_note": "Closing date and consideration from IonQ FY2025 10-K Note 3.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1824920/000119312526071562/R13.htm", "publisher": "IonQ, Inc. (SEC 10-K FY2025)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Note 3 Business Combinations, Vector Atomic paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "ionq-oxford-ionics-2025", "acquirer": "IonQ, Inc.", "acquirer_short": "IonQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "Oxford Ionics Limited", "target_short": "Oxford Ionics", "target_country": "GB", "target_region": "UK", "announced": null, "completed": "2025-09-16", "year": 2025, "date_basis": "filing", "completed_text": "", "stake_percent": null, "stake_text": "acquired Oxford Ionics Limited (percentage not stated in sources read)", "value": { "amount": 1589700000, "currency": "USD", "text": "the Company acquired Oxford Ionics Limited (\"Oxford Ionics\") for approximately $1,589.7 million of total consideration", "basis": "filing" }, "segment": "quantum-computers", "parts": [ "ti" ], "capabilities": [ "quantum-computers" ], "target_activity": "trapped-ion quantum computing (ion traps manufactured on standard semiconductor chips)", "verification": "verified", "verification_note": "IonQ FY2025 10-K Note 3 gives closing 16 Sep 2025 and total consideration (accounting fair value; differs from the ~USD 1.075bn headline reported in news at announcement, which was not read in an official source). 10-K Item 5 cites a Share Purchase Agreement dated 7 June 2025; public announcement date not read officially, so announced=null. Completion press release dated 17 Sep 2025.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1824920/000119312526071562/R13.htm", "publisher": "IonQ, Inc. (SEC 10-K FY2025)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Note 3 Business Combinations, Oxford Ionics paragraph" }, { "url": "https://www.sec.gov/Archives/edgar/data/1824920/000119312525205489/d41803dex991.htm", "publisher": "IonQ, Inc. 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Target confirms 100% ownership. Target is not itself a quantum company; acquirer is a post-quantum semiconductor company.", "sources": [ { "url": "https://www.sealsq.com/investors/news-releases/sealsq-receives-final-approval-from-the-french-ministry-of-the-economy-finance-and-industrial-and-digital-sovereignty-and-completes-acqui-1754324040450", "publisher": "SEALSQ", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "First paragraph" }, { "url": "https://www.icalps.com/icalps-acquisition-by-sealsq-group-now-complete/", "publisher": "IC'Alps", "kind": "target", "retrieved": "2026-10-26", "locator": "Opening sentence" } ], "portal": { "acquirer": null, "target": null } }, { "id": "ionq-capella-space-2025", "acquirer": "IonQ, Inc.", "acquirer_short": "IonQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "Capella Space Corp.", "target_short": "Capella Space", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2025-07-11", "year": 2025, "date_basis": "filing", "completed_text": "", "stake_percent": null, "stake_text": "acquired Capella Space Corp. (merger; percentage not stated)", "value": { "amount": 424800000, "currency": "USD", "text": "the Company acquired Capella Space Corp. (\"Capella\") for approximately $424.8 million of total consideration", "basis": "filing" }, "segment": "adjacent", "parts": [], "capabilities": [], "target_activity": "satellite platform (synthetic aperture radar); acquired for space-based quantum key distribution networks", "verification": "verified", "verification_note": "Closing date and consideration from IonQ FY2025 10-K Note 3; 10-K Item 5 cites the Agreement and Plan of Merger dated 7 May 2025.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1824920/000119312526071562/R13.htm", "publisher": "IonQ, Inc. (SEC 10-K FY2025)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Note 3 Business Combinations, Capella paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "pasqal-aeponyx-2025", "acquirer": "Pasqal SAS", "acquirer_short": "Pasqal", "acquirer_country": "FR", "acquirer_region": "EU", "target": "AEPONYX Inc.", "target_short": "Aeponyx", "target_country": "CA", "target_region": "NA", "announced": "2025-06-03", "completed": null, "year": 2025, "date_basis": "announcement", "completed_text": "", "stake_percent": null, "stake_text": "announced the acquisition of AEPONYX (percentage not stated in release)", "value": null, "segment": "photonics", "parts": [], "capabilities": [], "target_activity": "photonic integrated circuits (silicon nitride + MEMS) for neutral-atom qubit control", "verification": "verified", "verification_note": "Pasqal release of 3 Jun 2025 announces the acquisition as done. Search results attribute to Pasqal SEC registration filings an acquisition of 100% on 29 Jul 2024 with a post-closing Canadian national-security review completed March 2025, but those filings exceeded fetch size and were not read, so completed=null.", "sources": [ { "url": "https://www.pasqal.com/newsroom/pasqal-acquires-photonics-innovator-aeponyx/", "publisher": "Pasqal", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "Dateline Paris, 3 Jun 2025, first paragraph" } ], "portal": { "acquirer": "/node/120", "target": null } }, { "id": "ionq-lightsynq-2025", "acquirer": "IonQ, Inc.", "acquirer_short": "IonQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "Lightsynq Technologies Inc.", "target_short": "Lightsynq", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2025-05-30", "year": 2025, "date_basis": "filing", "completed_text": "", "stake_percent": null, "stake_text": "acquired Lightsynq Technologies Inc. (percentage not stated)", "value": { "amount": 306200000, "currency": "USD", "text": "the Company acquired Lightsynq Technologies Inc. (\"Lightsynq\") for approximately $306.2 million of total consideration", "basis": "filing" }, "segment": "qkd-networking", "parts": [ "qm" ], "capabilities": [], "target_activity": "quantum memory and photonic interconnects for quantum networking", "verification": "verified", "verification_note": "Closing date and consideration from IonQ FY2025 10-K Note 3.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1824920/000119312526071562/R13.htm", "publisher": "IonQ, Inc. (SEC 10-K FY2025)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Note 3 Business Combinations, Lightsynq paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "ionq-id-quantique-2025", "acquirer": "IonQ, Inc.", "acquirer_short": "IonQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "id Quantique SA", "target_short": "ID Quantique", "target_country": "CH", "target_region": "CH", "announced": null, "completed": "2025-04-30", "year": 2025, "date_basis": "filing", "completed_text": "", "stake_percent": 86, "stake_text": "controlling stake, approximately 86% at closing; increased to approximately 91% after an additional purchase in July 2025", "value": { "amount": 116200000, "currency": "USD", "text": "the Company acquired a controlling stake in id Quantique SA (\"IDQ\") for approximately $116.2 million", "basis": "filing" }, "segment": "qkd-networking", "parts": [ "qkd" ], "capabilities": [ "qkd-systems", "qrng", "photon-detectors" ], "target_activity": "quantum key distribution systems, quantum random number generators, single-photon detectors", "verification": "verified", "verification_note": "Closing date, stake and consideration from IonQ FY2025 10-K Note 3. IonQ completion press release dated 6 May 2025. Definitive agreements were announced in February 2025 (day not read in an official source). Seller of the majority stake was SK Telecom (see separate 2018 entry).", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1824920/000119312526071562/R13.htm", "publisher": "IonQ, Inc. (SEC 10-K FY2025)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Note 3 Business Combinations, IDQ paragraph" }, { "url": "https://ionq.com/news/ionq-completes-acquisition-of-id-quantique-cementing-leadership-in-quantum", "publisher": "IonQ", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "First paragraph: completion of its acquisition of a controlling stake in ID Quantique" } ], "portal": { "acquirer": null, "target": "/node/240" } }, { "id": "ionq-qubitekk-2024", "acquirer": "IonQ, Inc.", "acquirer_short": "IonQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "Qubitekk, Inc. (substantially all assets; acquired as Qubitekk Federal, LLC)", "target_short": "Qubitekk", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2024-12-27", "year": 2024, "date_basis": "filing", "completed_text": "", "stake_percent": null, "stake_text": "substantially all of the assets of Qubitekk, Inc.", "value": { "amount": 22100000, "currency": "USD", "text": "the Company acquired Qubitekk Federal, LLC (\"Qubitekk\") for total consideration of approximately $22.1 million in cash", "basis": "filing" }, "segment": "qkd-networking", "parts": [], "capabilities": [], "target_activity": "quantum networking (entangled-photon systems)", "verification": "verified", "verification_note": "10-K Note 3 gives closing 27 Dec 2024; IonQ press release announcing completion is dated 6 Jan 2025. Asset acquisition structure per IonQ release.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1824920/000119312526071562/R13.htm", "publisher": "IonQ, Inc. (SEC 10-K FY2025)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Note 3 Business Combinations, 2024 acquisition (Qubitekk)" }, { "url": "https://ionq.com/news/ionq-completes-acquisition-of-qubitekk-solidifying-leadership-in-quantum", "publisher": "IonQ", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "First paragraph: completion of its acquisition of substantially all of the assets of Qubitekk, Inc." } ], "portal": { "acquirer": null, "target": null } }, { "id": "kipu-quantum-planqk-2024", "acquirer": "Kipu Quantum GmbH", "acquirer_short": "Kipu Quantum", "acquirer_country": "DE", "acquirer_region": "EU", "target": "PlanQK platform (from Anaqor AG)", "target_short": "PlanQK", "target_country": "DE", "target_region": "EU", "announced": "2024-07-11", "completed": null, "year": 2024, "date_basis": "announcement", "completed_text": "", "stake_percent": null, "stake_text": "acquisition of the PlanQK platform (asset deal), key team members joined", "value": null, "segment": "quantum-software", "parts": [], "capabilities": [], "target_activity": "quantum computing software/application platform", "verification": "partly-verified", "verification_note": "Only Tech.eu report of 11 Jul 2024 read ('Kipu Quantum has acquired the German quantum computing platform PlanQK, built and commercialised by Anaqor AG'). Platform/asset acquisition, not a share deal. Terms not disclosed.", "sources": [ { "url": "https://tech.eu/2024/07/11/kipu-quantum-acquires-anaqor-s-quantum-platform/", "publisher": "Tech.eu", "kind": "press", "retrieved": "2026-10-26", "locator": "Opening paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "hamamatsu-photonics-nkt-photonics-2024", "acquirer": "Hamamatsu Photonics K.K. (via Photonics Management Europe S.R.L., Belgium)", "acquirer_short": "Hamamatsu Photonics", "acquirer_country": "JP", "acquirer_region": "APAC", "target": "NKT Photonics A/S", "target_short": "NKT Photonics", "target_country": "DK", "target_region": "EU", "announced": "2022-06-24", "completed": "2024-05-31", "year": 2024, "date_basis": "exchange", "completed_text": "", "stake_percent": 100, "stake_text": "acquiring all shares (sub-subsidiary of Hamamatsu)", "value": { "amount": 247000000, "currency": "EUR", "text": "the acquisition price has become approximately 247 million euros (approximately 42,094 million yen*)", "basis": "exchange" }, "segment": "photonics", "parts": [], "capabilities": [ "lasers" ], "target_activity": "fibre lasers, photonic crystal fibres and laser components (incl. lasers used in quantum technology)", "verification": "verified", "verification_note": "Hamamatsu TSE disclosure of 31 May 2024 states PME 'has completed the procedure for acquiring all shares'; the price (incl. net debt) rose from approx. EUR 205m announced on 24 Jun 2022 to approx. EUR 247m. Danish FDI: rejected 2 May 2023, re-filed 20 Jul 2023, approved by notice of 6 May 2024 (see notes). NKT/press state integration effective 1 Jun 2024.", "sources": [ { "url": "https://www2.infomart.co.jp/web/jp/images/upload/2698/140120240529513525_18060239.pdf", "publisher": "Hamamatsu Photonics K.K. (TSE timely disclosure)", "kind": "exchange", "retrieved": "2026-10-26", "locator": "Title and first paragraph; section 3 Change in the acquisition price" }, { "url": "https://www2.infomart.co.jp/web/jp/images/upload/2656/140120240507582183_17872085.pdf", "publisher": "Hamamatsu Photonics K.K. (TSE timely disclosure, 7 May 2024)", "kind": "exchange", "retrieved": "2026-10-26", "locator": "Paragraphs 2-4: Danish Business Authority rejection (2 May 2023), re-application (20 Jul 2023) and approval (6 May 2024)" } ], "portal": { "acquirer": "/node/198", "target": null } }, { "id": "orca-computing-gxc-photonics-division-2024", "acquirer": "ORCA Computing Ltd", "acquirer_short": "ORCA Computing", "acquirer_country": "GB", "acquirer_region": "UK", "target": "Integrated Photonics Division of GXC", "target_short": "GXC photonics division", "target_country": "US", "target_region": "NA", "announced": "2024-01-30", "completed": null, "year": 2024, "date_basis": "announcement", "completed_text": "", "stake_percent": null, "stake_text": "acquisition of the division (assets, IP, team); not a share purchase", "value": null, "segment": "photonics", "parts": [ "ph" ], "capabilities": [], "target_activity": "integrated photonics (hybrid photonic materials) for photonic quantum computing", "verification": "partly-verified", "verification_note": "Only Tech.eu report of 30 Jan 2024 read; ORCA release on Business Wire not fetchable. Terms not disclosed.", "sources": [ { "url": "https://tech.eu/2024/01/30/orca-computing-acquires-gxcs-integrated-photonics-division/", "publisher": "Tech.eu", "kind": "press", "retrieved": "2026-10-26", "locator": "Opening paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "infleqtion-morton-photonics-2024", "acquirer": "ColdQuanta, Inc. (dba Infleqtion)", "acquirer_short": "Infleqtion", "acquirer_country": "US", "acquirer_region": "NA", "target": "Morton Photonics Incorporated and Morton Hybrid Lasers LLC", "target_short": "Morton Photonics", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2024-01-25", "year": 2024, "date_basis": "filing", "completed_text": "", "stake_percent": 100, "stake_text": "acquired 100% of the equity of Morton", "value": { "amount": 3900000, "currency": "USD", "text": "The acquisition date fair value purchase consideration of $3.9 million consisted of $2.6 million of cash, ...", "basis": "filing" }, "segment": "photonics", "parts": [], "capabilities": [], "target_activity": "silicon-photonics components and hybrid lasers", "verification": "verified", "verification_note": "Infleqtion audited financial statements (8-K/A Ex. 99.1). Filing notes the business was later impaired.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/2007825/000119312526134690/d104197dex991.htm", "publisher": "Infleqtion, Inc. (SEC 8-K/A Ex. 99.1)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Business combinations note, Morton paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "sandboxaq-good-chemistry-2024", "acquirer": "SandboxAQ (Sandbox AQ, Inc.)", "acquirer_short": "SandboxAQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "Good Chemistry Company", "target_short": "Good Chemistry", "target_country": "CA", "target_region": "NA", "announced": "2024-01-09", "completed": "2024-01-09", "year": 2024, "date_basis": "completion", "completed_text": "", "stake_percent": null, "stake_text": "has acquired Good Chemistry (percentage not stated)", "value": null, "segment": "quantum-software", "parts": [], "capabilities": [], "target_activity": "computational chemistry software (QEMIST Cloud, Tangelo) with quantum-computing pathway", "verification": "verified", "verification_note": "SandboxAQ post dated 9 Jan 2024 states 'SandboxAQ has acquired Good Chemistry'; completed = announcement date. Value not officially disclosed (WSJ-sourced ~USD 75m not used).", "sources": [ { "url": "https://www.sandboxaq.com/post/sandboxaq-transforms-simulation-landscape-with-good-chemistry-acquisition", "publisher": "SandboxAQ", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "Opening paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "bluefors-cryomech-2023", "acquirer": "Bluefors Oy", "acquirer_short": "Bluefors", "acquirer_country": "FI", "acquirer_region": "EU", "target": "Cryomech, Inc.", "target_short": "Cryomech", "target_country": "US", "target_region": "NA", "announced": "2023-02-28", "completed": "2023-03-28", "year": 2023, "date_basis": "completion", "completed_text": "", "stake_percent": null, "stake_text": "completion of its acquisition of Cryomech (percentage not stated)", "value": null, "segment": "cryogenics", "parts": [ "sc-cryo" ], "capabilities": [], "target_activity": "cryocoolers (pulse-tube) used in dilution refrigerators for quantum computing", "verification": "verified", "verification_note": "Bluefors release dated 28 Mar 2023 announces completion 'today'; intention announced 28 Feb 2023 (Bluefors release via PR Newswire). Price not disclosed.", "sources": [ { "url": "https://bluefors.com/press-releases/bluefors-closes-the-acquisition-of-cryomech/", "publisher": "Bluefors", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "First paragraph" }, { "url": "https://www.prnewswire.com/news-releases/bluefors-to-acquire-cryomech-creating-a-global-leader-in-the-ultra-low-temperature-cooling-technology-market-301757976.html", "publisher": "Bluefors via PR Newswire", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "Dateline Helsinki, 28 Feb 2023" } ], "portal": { "acquirer": "/node/9927", "target": null } }, { "id": "ionq-entangled-networks-2023", "acquirer": "IonQ, Inc.", "acquirer_short": "IonQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "Entangled Networks Ltd. (assets)", "target_short": "Entangled Networks", "target_country": "CA", "target_region": "NA", "announced": "2023-02-06", "completed": null, "year": 2023, "date_basis": "announcement", "completed_text": "", "stake_percent": null, "stake_text": "deal to acquire the company's assets; team joined IonQ", "value": null, "segment": "quantum-software", "parts": [], "capabilities": [], "target_activity": "networking technologies and compilers for distributed/modular quantum systems", "verification": "verified", "verification_note": "IonQ blog post dated 6 Feb 2023 states IonQ acquired Entangled Networks Ltd. (asset deal); no closing date given. News reports date the announcement to January 2023 (not used for dates). Value not disclosed. Date of the IonQ blog post announcing the acquisition.", "sources": [ { "url": "https://www.ionq.com/blog/ionq-acquires-entangled-networks-to-drive-further-quantum-scale", "publisher": "IonQ", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "Opening paragraphs: 'As part of the deal to acquire the company's assets'" } ], "portal": { "acquirer": null, "target": null } }, { "id": "groupe-gorg-ixblue-2022", "acquirer": "Groupe Gorgé SA (now Exail Technologies)", "acquirer_short": "Groupe Gorgé", "acquirer_country": "FR", "acquirer_region": "EU", "target": "iXblue SAS", "target_short": "iXblue", "target_country": "FR", "target_region": "EU", "announced": null, "completed": "2022-09-29", "year": 2022, "date_basis": "completion", "completed_text": "", "stake_percent": null, "stake_text": "completes the acquisition of iXblue (percentage not stated)", "value": null, "segment": "sensing-timing", "parts": [], "capabilities": [], "target_activity": "navigation, photonics and maritime systems; owner of quantum-sensing unit from Muquans", "verification": "verified", "verification_note": "Exail release dated 29 Sep 2022; completed = release date. Included because iXblue held the Muquans quantum-sensing business; target is not a pure-play quantum company.", "sources": [ { "url": "https://www.exail.com/news/groupe-gorge-completes-the-acquisition-of-ixblue-paving-the-way-to-bringing-eca-group-and-ixblue-together", "publisher": "Exail", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "Headline and first paragraph" } ], "portal": { "acquirer": null, "target": "/node/96" } }, { "id": "sandboxaq-cryptosense-2022", "acquirer": "SandboxAQ (Sandbox AQ, Inc.)", "acquirer_short": "SandboxAQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "Cryptosense SA", "target_short": "Cryptosense", "target_country": "FR", "target_region": "EU", "announced": "2022-09-14", "completed": "2022-09-14", "year": 2022, "date_basis": "completion", "completed_text": "", "stake_percent": null, "stake_text": "announced it has acquired Cryptosense (percentage not stated)", "value": null, "segment": "pqc", "parts": [], "capabilities": [], "target_activity": "cryptography inventory and analysis software (post-quantum cryptography migration)", "verification": "verified", "verification_note": "SandboxAQ release dated 14 Sep 2022 (dateline Paris and Palo Alto) states the acquisition as done; completed = date of announcement. Target country from Paris headquarters (news/registries); release itself does not state HQ.", "sources": [ { "url": "https://www.sandboxaq.com/press/sandboxaq-acquires-cryptosense-to-accelerate-delivery-of-security-solutions-to-global-organizations", "publisher": "SandboxAQ", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "First paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "qci-qphoton-2022", "acquirer": "Quantum Computing Inc.", "acquirer_short": "QCi", "acquirer_country": "US", "acquirer_region": "NA", "target": "QPhoton, Inc.", "target_short": "QPhoton", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2022-06-16", "year": 2022, "date_basis": "completion", "completed_text": "", "stake_percent": 100, "stake_text": "QPhoton becomes a wholly-owned subsidiary of QCI", "value": null, "segment": "photonics", "parts": [ "ph" ], "capabilities": [], "target_activity": "quantum photonics / nanophotonic systems", "verification": "verified", "verification_note": "8-K Ex. 99.1 dated 16 Jun 2022 announces successful completion. Consideration is in securities only; no monetary total published, so amount=null.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1758009/000121390022034003/ea161824ex99-1_quantum.htm", "publisher": "Quantum Computing Inc. (8-K Ex. 99.1)", "kind": "filing", "retrieved": "2026-10-26", "locator": "First and consideration paragraphs" } ], "portal": { "acquirer": null, "target": null } }, { "id": "infleqtion-super-tech-2022", "acquirer": "ColdQuanta, Inc. (dba Infleqtion)", "acquirer_short": "Infleqtion", "acquirer_country": "US", "acquirer_region": "NA", "target": "Super.tech", "target_short": "Super.tech", "target_country": "US", "target_region": "NA", "announced": null, "completed": "2022-05-10", "year": 2022, "date_basis": "completion", "completed_text": "", "stake_percent": 100, "stake_text": "100% of the equity and voting interests", "value": null, "segment": "quantum-software", "parts": [], "capabilities": [], "target_activity": "quantum software (circuit optimisation, error mitigation; SuperstaQ)", "verification": "verified", "verification_note": "Infleqtion audited financial statements FY2025/2024 (8-K/A Ex. 99.1) state acquisition of 100% of Super.tech on 10 May 2022; consideration in restricted shares accounted as compensation, no value stated.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/2007825/000119312526134690/d104197dex991.htm", "publisher": "Infleqtion, Inc. (SEC 8-K/A Ex. 99.1)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Notes to consolidated financial statements (equity/compensation note on Super.tech)" } ], "portal": { "acquirer": null, "target": null } }, { "id": "quantum-machines-qdevil-2022", "acquirer": "Quantum Machines Ltd.", "acquirer_short": "Quantum Machines", "acquirer_country": "IL", "acquirer_region": "OTHER", "target": "QDevil ApS", "target_short": "QDevil", "target_country": "DK", "target_region": "EU", "announced": "2022-03-30", "completed": null, "year": 2022, "date_basis": "announcement", "completed_text": "", "stake_percent": null, "stake_text": "acquired QDevil (percentage not stated)", "value": null, "segment": "control-electronics", "parts": [], "capabilities": [ "control-electronics", "microwave" ], "target_activity": "auxiliary electronics and cryogenic components for quantum processors (QPUs)", "verification": "partly-verified", "verification_note": "Quantum Machines' own press release page returned 403; read TechCrunch report dated 30 Mar 2022 ('today announced that it has acquired QDevil'). Financial terms not disclosed. Completion date not separately stated.", "sources": [ { "url": "https://techcrunch.com/?p=2291484", "publisher": "TechCrunch", "kind": "press", "retrieved": "2026-10-26", "locator": "Opening paragraph" }, { "url": "https://quantum-machines.co/press_release/quantum-machines-acquires-qdevil-to-provide-full-stack-orchestration-platform", "publisher": "Quantum Machines", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "Not readable (HTTP 403); listed for reference" } ], "portal": { "acquirer": null, "target": "/node/369" } }, { "id": "pasqal-my-cryo-firm-2022", "acquirer": "Pasqal SAS", "acquirer_short": "Pasqal", "acquirer_country": "FR", "acquirer_region": "EU", "target": "My Cryo Firm", "target_short": "My Cryo Firm", "target_country": "FR", "target_region": "EU", "announced": null, "completed": null, "year": 2022, "date_basis": "period", "completed_text": "summer 2022", "stake_percent": null, "stake_text": "acquired (percentage not stated)", "value": null, "segment": "cryogenics", "parts": [ "sc-cryo" ], "capabilities": [], "target_activity": "closed-cycle cryostats for quantum technologies", "verification": "partly-verified", "verification_note": "CFNEWS (27 Jan 2023) states Pasqal bought My Cryo Firm in summer 2022; Quantum Internet Alliance page lists My Cryo Firm as part of Pasqal. No official Pasqal source read.", "sources": [ { "url": "https://www.cfnews.net/Acces-libre/Pasqal-calcule-le-plus-gros-tour-d-Europe-dans-le-quantique-428372", "publisher": "CFNEWS", "kind": "press", "retrieved": "2026-10-26", "locator": "Paragraph on external growth" }, { "url": "https://quantuminternetalliance.org/mycryofirm/", "publisher": "Quantum Internet Alliance", "kind": "press", "retrieved": "2026-10-26", "locator": "Heading 'My Cryo Firm (Pasqal)'" } ], "portal": { "acquirer": "/node/120", "target": null } }, { "id": "pasqal-quandco-2022", "acquirer": "Pasqal SAS", "acquirer_short": "Pasqal", "acquirer_country": "FR", "acquirer_region": "EU", "target": "Qu&Co B.V.", "target_short": "Qu&Co", "target_country": "NL", "target_region": "EU", "announced": null, "completed": null, "year": 2022, "date_basis": "period", "completed_text": "2022 (a year before 27 January 2023, per the CFNEWS report)", "stake_percent": null, "stake_text": "merger; combined company operates as Pasqal, headquartered in Paris", "value": null, "segment": "quantum-software", "parts": [], "capabilities": [], "target_activity": "quantum algorithms and software", "verification": "partly-verified", "verification_note": "No official Pasqal release could be fetched. EE Times Europe (Mar 2022) describes the companies as merging; CFNEWS (27 Jan 2023) describes Qu&Co as bought 'a year ago'. Announcement widely reported as January 2022 (exact date not read in a fetchable source).", "sources": [ { "url": "https://eetimes.com/eu-content/pasqal-and-quco-scale-the-global-market-for-quantum-applications", "publisher": "EE Times Europe", "kind": "press", "retrieved": "2026-10-26", "locator": "Opening paragraph" }, { "url": "https://www.cfnews.net/Acces-libre/Pasqal-calcule-le-plus-gros-tour-d-Europe-dans-le-quantique-428372", "publisher": "CFNEWS", "kind": "press", "retrieved": "2026-10-26", "locator": "Paragraph on external growth (rachats de Qu & Co et My Cryo Firm)" } ], "portal": { "acquirer": "/node/120", "target": null } }, { "id": "honeywell-cambridge-quantum-2021", "acquirer": "Honeywell International Inc.", "acquirer_short": "Honeywell", "acquirer_country": "US", "acquirer_region": "NA", "target": "Cambridge Quantum Computing Limited (combined with Honeywell Quantum Solutions to form Quantinuum)", "target_short": "Cambridge Quantum", "target_country": "GB", "target_region": "UK", "announced": null, "completed": "2021-11-30", "year": 2021, "date_basis": "completion", "completed_text": "", "stake_percent": null, "stake_text": "business combination; Honeywell 'now owns a majority stake in Quantinuum'", "value": null, "segment": "quantum-software", "parts": [], "capabilities": [ "quantum-software" ], "target_activity": "quantum software, algorithms and quantum cybersecurity (combined with trapped-ion hardware business)", "verification": "verified", "verification_note": "Honeywell release dated 30 Nov 2021: HQS and CQ 'received regulatory approval and completed the previously announced business combination'. Percentage not stated on the page (press reports ~54%). Announcement date (June 2021) not read in an official source.", "sources": [ { "url": "https://www.honeywell.com/us/en/press/2021/11/honeywell-quantum-solutions-and-cambridge-quantum-complete-business-combination-to-form-world-s-largest-most-advanced-standalone-quantum-company", "publisher": "Honeywell", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "First paragraph (completion) and ownership paragraph" } ], "portal": { "acquirer": null, "target": "/node/9918" } }, { "id": "rohde-and-schwarz-zurich-instruments-2021", "acquirer": "Rohde & Schwarz GmbH & Co. KG", "acquirer_short": "Rohde & Schwarz", "acquirer_country": "DE", "acquirer_region": "EU", "target": "Zurich Instruments AG", "target_short": "Zurich Instruments", "target_country": "CH", "target_region": "CH", "announced": null, "completed": "2021-07-01", "year": 2021, "date_basis": "completion", "completed_text": "", "stake_percent": null, "stake_text": "to be run as a full subsidiary", "value": null, "segment": "control-electronics", "parts": [], "capabilities": [], "target_activity": "test and measurement instruments incl. quantum computing control systems, lock-in amplifiers", "verification": "verified", "verification_note": "Rohde & Schwarz press release (6 Jul 2021) distributed by news aktuell/Presseportal: 'The July 1, 2021 acquisition of Zurich Instruments AG'. Value not disclosed. The R&S-hosted copy URL returned 404. The release is dated 6 July 2021, after the closing on 1 July 2021, so no separate announcement date is recorded.", "sources": [ { "url": "https://www.presseportal.de/en/pm/75527/4961094", "publisher": "Rohde & Schwarz via news aktuell (ots)", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "First paragraph" } ], "portal": { "acquirer": null, "target": "/node/285" } }, { "id": "keysight-quantum-benchmark-2021", "acquirer": "Keysight Technologies, Inc.", "acquirer_short": "Keysight", "acquirer_country": "US", "acquirer_region": "NA", "target": "Quantum Benchmark Inc.", "target_short": "Quantum Benchmark", "target_country": "CA", "target_region": "NA", "announced": "2021-05-25", "completed": null, "year": 2021, "date_basis": "announcement", "completed_text": "", "stake_percent": null, "stake_text": "announced it has acquired Quantum Benchmark (percentage not stated)", "value": null, "segment": "quantum-software", "parts": [], "capabilities": [], "target_activity": "quantum error diagnostics, error suppression and performance validation software", "verification": "partly-verified", "verification_note": "Keysight newsroom not fetchable; read Microwave Journal report of the 25 May 2021 release. Terms not disclosed.", "sources": [ { "url": "https://microwavejournal.com/articles/36069-keysight-technologies-acquires-quantum-benchmark", "publisher": "Microwave Journal", "kind": "press", "retrieved": "2026-10-26", "locator": "Opening sentence" } ], "portal": { "acquirer": null, "target": null } }, { "id": "ixblue-muquans-2021", "acquirer": "iXblue SAS (now Exail)", "acquirer_short": "iXblue", "acquirer_country": "FR", "acquirer_region": "EU", "target": "Muquans SAS", "target_short": "Muquans", "target_country": "FR", "target_region": "EU", "announced": "2021-05-20", "completed": null, "year": 2021, "date_basis": "announcement", "completed_text": "", "stake_percent": null, "stake_text": "announces the acquisition (percentage not stated)", "value": null, "segment": "sensing-timing", "parts": [ "qs" ], "capabilities": [], "target_activity": "cold-atom quantum sensors (quantum gravimeter, atomic clock), frequency transfer, lasers", "verification": "partly-verified", "verification_note": "Official iXblue/Exail release of 20 May 2021 announces the acquisition of Kylia and Muquans but does not confirm closing; no completion source found. Terms not disclosed.", "sources": [ { "url": "https://www.exail.com/news/ixblue-acquires-kylia-and-muquans-create-new-european-leader-photonics-and-quantum", "publisher": "Exail (formerly iXblue)", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "Opening paragraph and Muquans description" } ], "portal": { "acquirer": "/node/96", "target": null } }, { "id": "rigetti-qxbranch-2019", "acquirer": "Rigetti Computing, Inc.", "acquirer_short": "Rigetti", "acquirer_country": "US", "acquirer_region": "NA", "target": "QxBranch, Inc.", "target_short": "QxBranch", "target_country": "US", "target_region": "NA", "announced": "2019-07-11", "completed": null, "year": 2019, "date_basis": "announcement", "completed_text": "", "stake_percent": null, "stake_text": "acquisition of a startup called QxBranch Inc. (percentage not stated)", "value": null, "segment": "quantum-software", "parts": [], "capabilities": [], "target_activity": "quantum computing applications and data-analytics software", "verification": "partly-verified", "verification_note": "Only news read (SiliconANGLE, 11 Jul 2019); no Rigetti release fetched. Value not disclosed. QxBranch had offices in Washington DC, Adelaide and London per news.", "sources": [ { "url": "https://siliconangle.com/?p=484256", "publisher": "SiliconANGLE", "kind": "press", "retrieved": "2026-10-26", "locator": "Opening paragraph" } ], "portal": { "acquirer": null, "target": null } }, { "id": "sk-telecom-id-quantique-2018", "acquirer": "SK Telecom Co., Ltd.", "acquirer_short": "SK Telecom", "acquirer_country": "KR", "acquirer_region": "APAC", "target": "id Quantique SA", "target_short": "ID Quantique", "target_country": "CH", "target_region": "CH", "announced": null, "completed": "2018-04-30", "year": 2018, "date_basis": "completion", "completed_text": "", "stake_percent": 58.1, "stake_text": "acquired an additional 41,157,506 shares; owns a total of 58.1% (44,157,506 shares) and has acquired control", "value": null, "segment": "qkd-networking", "parts": [ "qkd" ], "capabilities": [ "qkd-systems", "qrng", "photon-detectors" ], "target_activity": "quantum key distribution, quantum random number generators, single-photon detectors", "verification": "verified", "verification_note": "SK Telecom Form 6-K (2019 annual business report) Section 2.D item (25). A later 6-K reportedly gives cash consideration of KRW 55,249 million and a later increase to 65.6%, but that filing was not read, so value=null.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1015650/000119312519120761/d729663d6k.htm", "publisher": "SK Telecom Co., Ltd. (SEC Form 6-K)", "kind": "filing", "retrieved": "2026-10-26", "locator": "Section 2 Company History, D. Mergers, Acquisitions and Restructuring, item (25) Acquisition of shares of id Quantique SA" } ], "portal": { "acquirer": null, "target": "/node/240" } } ], "not_completed": [ { "id": "ionq-elisity-2026", "acquirer": "IonQ, Inc.", "acquirer_short": "IonQ", "acquirer_country": "US", "acquirer_region": "NA", "target": "Elisity, Inc.", "target_short": "Elisity", "target_country": "US", "target_region": "NA", "announced": "2026-10-12", "completed": null, "year": 2026, "date_basis": "filing", "completed_text": "", "stake_percent": 100, "stake_text": "definitive agreement to acquire Elisity, Inc.", "value": { "amount": 1300000000, "currency": "USD", "text": "all-stock transaction valued at up to $1.3 billion, including up to $150 million in earnout opportunity", "basis": "filing" }, "segment": "adjacent", "parts": [], "capabilities": [], "target_activity": "zero-trust network security", "verification": "verified", "verification_note": "Expected to close in Q4 2026, subject to regulatory approval.", "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/0001824920/000119312526419609/ionq-ex99_1.htm", "publisher": "IonQ, Inc. (8-K Ex. 99.1)", "kind": "filing", "retrieved": "2026-10-26", "locator": "First paragraph and closing-conditions paragraph" } ], "status": "announced", "status_date": "2026-10-12", "portal": { "acquirer": null, "target": null } }, { "id": "sealsq-quobly-2026", "acquirer": "SEALSQ Corp", "acquirer_short": "SEALSQ", "acquirer_country": "CH", "acquirer_region": "CH", "target": "Quobly SAS", "target_short": "Quobly", "target_country": "FR", "target_region": "EU", "announced": null, "completed": null, "year": 2026, "date_basis": "", "completed_text": "", "stake_percent": null, "stake_text": "potential majority investment or acquisition (non-binding MOU, January 2026)", "value": null, "segment": "quantum-computers", "parts": [ "sp" ], "capabilities": [], "target_activity": "silicon spin-qubit quantum computing", "verification": "verified", "verification_note": "Parties 'mutually agreed to halt discussions regarding a potential majority investment or acquisition of Quobly by SEALSQ'; SEALSQ later announced a lead-investor (minority) role in Quobly's Series A (3 Jun 2026 release title). MOU date (mid-January 2026) per news, not read officially.", "sources": [ { "url": "https://www.sealsq.com/investors/news-releases/sealsq-and-quobly-mutually-agree-to-halt-discussions-regarding-a-potential-majority-investment-or-acquisition-by-sealsq", "publisher": "SEALSQ", "kind": "acquirer", "retrieved": "2026-10-26", "locator": "First paragraph" } ], "status": "abandoned", "status_date": "2026-02-20", "portal": { "acquirer": null, "target": "/node/108" } } ], "left_out": [ { "deal": "Google - Atlantic Quantum (2025)", "reason": "Official Google blog (2 Oct 2025) says only that 'the Atlantic Quantum team is joining Google'; no acquisition, stake or closing stated in an official source." }, { "deal": "IonQ - unnamed 'market intelligence business' (closed 9 Jun 2025, approx. USD 40.6m)", "reason": "Disclosed in IonQ 10-K Note 3 without naming the target; cannot attribute to a specific company." }, { "deal": "Infleqtion - SiNoptiq, Inc. (Jan 2024)", "reason": "Infleqtion audited financials describe acquisition of a photonic patent license (asset acquisition), not of the company." }, { "deal": "Quantum eMotion - SKV Technology (Apr 2026)", "reason": "Only an aggregator archive entry seen; no official source read; target country/activity unconfirmed." }, { "deal": "Viewbix - Quantum X Labs (Mar 2026)", "reason": "Only aggregator mention; quantum-technology nature of target not established." }, { "deal": "Bluefors - Rockgate (Japan, 2023)", "reason": "Target is a cryogenics distributor (not a quantum-technology company) and completion was not confirmed (release of 25 May 2023 only expected closing by end June 2023)." }, { "deal": "SEALSQ - Wecan Group majority stake (Jun 2026)", "reason": "Completed per SEALSQ release, but target is a KYC/compliance software company, not quantum technology." }, { "deal": "M Squared Lasers (UK) assets - Novacene Photonics (Nov 2025)", "reason": "Administration sale of IP and certain assets reported only by news; no official source read; not a share acquisition." }, { "deal": "SPAC business combinations: IQM - Real Asset Acquisition Corp; Pasqal - Bleichroeder Acquisition Corp. II; Infleqtion - Churchill Capital Corp X; Xanadu - Crane Harbor; Horizon Quantum - dMY Squared; SEEQC - Allegro Merger; Terra Quantum - Axiom Intelligence / Mountain Lake; EigenQ - Silicon Valley Acquisition Corp.", "reason": "Public listings via SPAC (reverse mergers), not acquisitions of a quantum company by an operating acquirer; out of scope." }, { "deal": "SEALSQ minority investments (EeroQ, Quobly Series A)", "reason": "Minority investments, not acquisitions or majority stakes." }, { "deal": "Rigetti, Quantinuum, IQM, Alice & Bob, Quandela, Multiverse, Q-CTRL, Qblox, OQC, Riverlane as acquirers", "reason": "Searched; no completed acquisition found 2018-2026 in sources checked." }, { "deal": "D-Wave other acquisitions", "reason": "Searched; none found other than Quantum Circuits." }, { "deal": "Keysight - Labber Quantum (2019 or 2020)", "reason": "only a republished release read; the year and the target country are not stated consistently in the sources read." }, { "deal": "Mandeville Ventures - Quantropi (announced April 2026)", "reason": "only a news-aggregator entry read; target outside Europe and acquirer not a quantum company." } ] }