5 Quantum Computing Stocks Investors Should Be Watching in 2027

Five quantum computing companies have recently gone public through mergers and listings, moving from niche lab projects to publicly traded entities with billion-dollar valuations. The article examines five stocks spanning quantum computer makers, component suppliers, and post-quantum security firms, highlighting key milestones to watch in 2027 including government funding closures, qubit targets, revenue conversion, and customer growth. These small-cap stocks trade heavily on narrative and face significant execution risks.

10/29/2026, 4:48 AM • The Motley Fool

WISeSat.Space Announces SEALSQ’s Firm Intent to Acquire Capacity and Operational Services Associated with 12 Satellites for QSOC

WISeSat.Space and SEALSQ have signed a binding letter of intent for a $15 million transaction where SEALSQ will acquire satellite capacity and operational services for 12 WISeSat.Space satellites to establish the Quantum Spatial Orbital Cloud (QSOC). The deal combines WISeSat.Space's satellite infrastructure with SEALSQ's post-quantum cryptography and security technologies to provide secure communications and digital identity services. The initial 12-satellite constellation is designed to support progressive expansion to 100 satellites by 2033.

10/26/2026, 8:00 AM • GlobeNewswire

WISeQey Issues CEO Letter to Shareholders: Building an Intelligent, Secure Platform for the Intelligence Age

WISeQey Corp. has completed its redomiciliation and began trading on Nasdaq and SIX under ticker WQEY on October 5, 2026. Its subsidiary WISeSat.Space also listed on Nasdaq under SAIQ on October 2, 2026, with WISeQey maintaining 88.5% ownership. The company aims to integrate complementary technologies in secure semiconductors, digital identity, satellite connectivity, AI, and trusted machine transactions to build a trusted platform for the Intelligence Age, with priorities focused on commercial execution and disciplined capital allocation.

10/21/2026, 1:00 AM • GlobeNewswire

WISeKey Announces Planned Effectiveness of Redomiciliation from Switzerland to the British Virgin Islands

WISeKey announced that its redomiciliation from Switzerland to the British Virgin Islands will become effective on October 2, 2026, through a merger with its BVI subsidiary WISeQey Corp. The company will rebrand to WISeQey to reflect its expansion into quantum-security technologies. Operations will remain headquartered in Switzerland, and shares will begin trading under the new ticker 'WQEY' on Nasdaq and SIX Swiss Exchange on October 5, 2026.

09/25/2026, 4:46 PM • GlobeNewswire

WISeKey Announces Results of Class B Share Election and Name Change of BVI Merger Subsidiary to WISeQey Corp.

WISeKey announced the completion of its Class B share election process for its proposed cross-border merger with its British Virgin Islands subsidiary, now renamed WISeQey Corp. The election concluded on September 23, 2026, with 518 holders electing to receive WISeQey Class B shares. Upon merger completion, WISeQey will issue 5,180 Class B shares, 4,176,654 ordinary shares, and 1,819,060 Class F shares. The merger was previously approved by shareholders and remains subject to regulatory approvals and closing conditions.

09/25/2026, 8:55 AM • GlobeNewswire

WISeKey Shareholders Approve Redomiciliation to the British Virgin Islands at Extraordinary General Meeting

WISeKey shareholders approved the company's redomiciliation from Switzerland to the British Virgin Islands at an Extraordinary General Meeting on September 9, 2026. The merger with WISeKey BVI, a wholly-owned subsidiary, will make the British Virgin Islands-based entity the new publicly traded parent company. The move is intended to support WISeKey's international growth and access to global capital markets.

09/10/2026, 1:00 AM • GlobeNewswire

WISeKey and SEALSQ Establish Quantisimo Corp. as a Special Purpose Vehicle, and Execute Letter of Intent with GigCapital8 Corp.

WISeKey and its subsidiary SEALSQ have created Quantisimo Corp., a special purpose vehicle that has entered into a non-binding Letter of Intent with GigCapital8 Corp. (a SPAC) to establish a Nasdaq-listed quantum technology platform. The proposed business combination values Quantisimo at approximately $575 million initially, with plans to reach $2 billion through additional acquisitions. The transaction is expected to close in Q1 2027 and aims to create a comprehensive quantum-focused public company leveraging WISeKey's cybersecurity expertise and SEALSQ's semiconductor and post-quantum technology capabilities.

06/25/2026, 1:30 AM • GlobeNewswire

SEALSQ and WISeKey Establish Quantisimo Corp. as a Special Purpose Vehicle, and Execute Letter of Intent with GigCapital8 Corp.

SEALSQ and WISeKey have created Quantisimo Corp., a special purpose vehicle designed to be a Trusted Quantum Pure-Play platform. Quantisimo has entered into a non-binding Letter of Intent with GigCapital8 Corp. (SPAC) to pursue a business combination with an initial enterprise value of $575 million, with plans to reach $2 billion through additional acquisitions. The transaction is expected to close in Q1 2027 and aims to provide investors with direct exposure to the emerging quantum economy.

06/25/2026, 1:30 AM • GlobeNewswire

The Quiet Race to Rewire the World's Encryption Before Quantum Computers Break It

Quantum Secure Encryption Corp. announced a Memorandum of Agreement with a Malaysia-based digital certification authority to develop a localized version of its Quantum Preparedness Assessment platform compliant with Malaysia's Cyber Security Act 2024. The move represents QSE's expansion into Southeast Asia as governments worldwide set hard deadlines for post-quantum cryptography migration, with the global cybersecurity market valued in the hundreds of billions and post-quantum security projected as one of its fastest-growing segments.

06/17/2026, 8:45 AM • Benzinga

SEALSQ and WISeKey Update Progress on their Post-Quantum Security Cloud from Space Through the Quantum Spatial Orbital Cloud (QSOC)

SEALSQ and WISeKey announced significant progress on the Quantum Spatial Orbital Cloud (QSOC), a next-generation orbital platform delivering post-quantum-secure services from space. The first satellite launch is scheduled for Q4 2026 with SpaceX, with plans to expand to a 100-satellite constellation by 2033. The initiative combines post-quantum cryptography, quantum random number generation, secure digital identity, trusted edge AI processing, and satellite communications, building on 21 successfully launched partner satellites since 2023.

06/12/2026, 10:00 AM • GlobeNewswire

SEALSQ Establishes Pure Play Quantum Platform Through Strategic Acquisitions and Investments Across Leading Quantum Computing Companies

SEALSQ is building a vertically integrated 'Root-to-Qubit' platform spanning post-quantum security semiconductors to quantum hardware through investments in EeroQ, Quobly, Miraex, and other quantum computing companies. The strategy positions SEALSQ as a diversified quantum technology player while maintaining revenue from its core post-quantum cryptography business, differentiating it from pure-play quantum startups.

06/05/2026, 6:50 AM • GlobeNewswire

As Washington Pours Billions Into Quantum Computing, One Company Says the Real Race Is Defending the Data

The U.S. government's $2 billion investment in quantum computing accelerates the urgency for organizations to protect sensitive data against future quantum threats. Quantum Secure Encryption Corp. argues that as quantum capabilities advance, enterprises must simultaneously implement post-quantum cybersecurity measures to address the 'Harvest Now, Decrypt Later' problem, where encrypted data intercepted today could be decrypted by future quantum computers. QSE reports 262 customer accounts, revenue generation, and a fully built platform designed to help organizations transition from awareness to action in quantum-resilient security.

06/04/2026, 12:07 PM • Benzinga

SEALSQ Announces Majority Investment in Wecan Group and CHF 5 Million Strategic Commitment to Accelerate Post-Quantum AI Compliance Co-Pilot for Global Financial Institutions

SEALSQ Corp has acquired a majority equity stake in Wecan Group, increasing its ownership from 28% to majority position, and committed CHF 5 million to accelerate development of AI-powered compliance solutions and post-quantum security infrastructure for financial institutions. The partnership aims to create an integrated quantum-resilient trust platform combining SEALSQ's post-quantum technologies, Wecan Group's compliance expertise, and WISeKey's digital identity ecosystem.

06/02/2026, 1:00 AM • GlobeNewswire

AI-Enabled Cyberespionage Is a National Security Threat. Integrated Cyber Solutions Has an Answer

As Chinese state-sponsored actors weaponize AI for cyberespionage, Integrated Cyber Solutions Inc. has published a white paper demonstrating its VEIL™ technology can compress sensitive data by 95%-99.96% while maintaining machine learning model performance. This addresses a critical bottleneck in enterprise AI deployment where sensitive data has been restricted from model pipelines due to security and compliance concerns. The development positions the company within a broader market shift toward AI security and post-quantum cryptography infrastructure.

05/26/2026, 10:06 AM • Benzinga

WISeKey’s SEALCOIN Launches “Spacedrop” for the Machine-driven Economy

SEALCOIN AG, a WISeKey subsidiary, launched 'Spacedrop', an early-access onboarding initiative for its decentralized physical infrastructure network (DePIN) platform. The program enables users to interact with SEALCOIN's machine-to-machine ecosystem through missions and soul-bound tokens, focusing on real infrastructure rather than speculative gains. The platform combines hardware-based identity, satellite connectivity, and Hedera's distributed ledger technology, with QAIT serving as the native settlement token. Spacedrop gained over 17,500 wallet registrations in its first week.

04/22/2026, 9:00 AM • GlobeNewswire