SEALSQ Participates as a Lead Investor in Quobly’s €130 Million Series A Financing Via SEALQuantum.com Fund to Advance the European Sovereign Quantum Infrastructure
Rhea-AI Summary
SEALSQ (NASDAQ: LAES) became a lead investor in Quobly’s €130 million Series A, alongside ST Microelectronics, Isalt and BPI France. The investment, via the SEALSQ Quantum Fund, supports industrialization of silicon-based quantum processors and Quobly’s first commercial systems, and deepens their November 2025 technical partnership.
The Quantum Fund has grown from $20 million to $200 million since February 2025 and has deployed about $30 million (excluding this deal) into several quantum ecosystem companies. SEALSQ CEO Carlos Moreira will join Quobly’s board as part of the transaction.
AI-generated analysis. Not financial advice.
Positive
- Lead participation in Quobly’s €130 million Series A financing
- SEALSQ Quantum Fund expanded from $20 million to $200 million
- Approximately $30 million already deployed across multiple quantum ecosystem companies
- Board seat at Quobly for SEALSQ CEO Carlos Moreira
Negative
- None.
News Market Reaction – LAES
On the day this news was published, LAES declined 6.74%, reflecting a notable negative market reaction. Argus tracked a peak move of +6.9% during that session. Argus tracked a trough of -8.0% from its starting point during tracking. Our momentum scanner triggered 26 alerts that day, indicating elevated trading interest and price volatility. This price movement removed approximately $61M from the company's valuation, bringing the market cap to $846.52M at that time.
Data tracked by StockTitan Argus on the day of publication.
Key Figures
Market Reality Check
Peers on Argus
LAES gained 4.51% while peers were mixed: AIP +5.08%, NVEC +11.07%, CEVA +8.08%, SKYT +3.26%, but POET -4.76%. With no sector momentum flags and divergent peer moves, today’s action appears more company-specific to SEALSQ’s quantum investment news.
Historical Context
| Date | Event | Sentiment | Move | Catalyst |
|---|---|---|---|---|
| May 28 | Security validation milestone | Positive | +6.9% | QS7001 secure element achieved NIST SP 800-90B entropy source validation. |
| May 27 | Quantum investment | Positive | -2.3% | Additional strategic investment and lead role in upcoming EeroQ financing. |
| May 26 | New facility announcement | Positive | +5.3% | Quantix Edge Security chose Murcia for semiconductor design center project. |
| May 20 | Acquisition integration | Positive | +4.1% | Successful integration of IC’Alps to strengthen chip design capabilities. |
| May 20 | AI robotics roadmap | Positive | +4.1% | Launch of WISeRobot.ch AI robotics platform secured with post-quantum tech. |
Recent technical/strategic announcements have often seen positive price alignment, with one notable divergence on an EeroQ investment update.
Over the past weeks, SEALSQ has consistently communicated progress across its post-quantum and quantum ecosystem. On May 20, it highlighted the integration of IC’Alps to expand chip design capabilities, and later that day showcased the WISeRobot.ch AI–robotics roadmap. On May 26, it detailed a planned €40 million Quantix Edge Security project in Spain. Subsequent news on NIST validation and deepened EeroQ investment reinforced its quantum and security roadmap, framing today’s Quobly financing as another step in this ongoing strategy.
Market Pulse Summary
The stock moved -6.7% in the session following this news. A negative reaction despite this strategic quantum investment would fit occasional past divergences, such as the EeroQ financing news, where price moved opposite to positive updates. The announcement reinforces SEALSQ’s broader $200 million Quantum Fund roadmap and ongoing ecosystem building, but prior insider sales and volatility could amplify downside reactions. Future assessments may focus on how quickly these partnerships translate into tangible commercial traction.
Key Terms
post-quantum cryptography technical
hardware Root-of-Trust technical
fd-soi technical
microcontrollers technical
qubit technical
quantum processors technical
AI-generated analysis. Not financial advice.
Geneva, Switzerland, June 03, 2026 (GLOBE NEWSWIRE) --
SEALSQ Corp (NASDAQ: LAES), ("SEALSQ" or "Company"), a leader in post-quantum semiconductor technologies and hardware-anchored security solutions, today announced its participation as a lead investor in Quobly’s
The SEALSQ investment made via the SEALSQ Quantum Fund, supports Quobly’s industrialization of silicon-based quantum processors and the deployment of its first commercial systems. It strengthens the strategic technical partnership initiated in November 2025 and represents a major milestone in the execution of SEALSQ’s Quantum Vertical Sovereign Stack strategy. As part of this investment, Carlos Moreira, CEO of SEALSQ, will join Quobly’s Board of Directors.
Launched in February 2025, the SEALSQ Quantum Fund, a strategic investment initiative dedicated to advancing the quantum technology ecosystem, has grown from
Building secure quantum systems from qubit to root of trust
SEALSQ’s participation builds directly on the collaboration announced in November 2025 with Quobly to integrate post-quantum cryptography and hardware Root-of-Trust into silicon-based quantum architectures. By combining Quobly’s scalable FD-SOI quantum processors with SEALSQ’s quantum-resistant secure chips, including its QVault TPM and PQC solutions, the two companies are jointly developing secure-by-design quantum computing systems protected from the qubit level against both current and future quantum threats. This investment is expected to be a key step in SEALSQ’s roadmap to deliver a fully integrated Quantum Vertical Sovereign Stack, spanning hardware Root-of-Trust, post-quantum semiconductors, and secure quantum processors.
The collaboration will enable:
- Co-development of quantum-resistant secure microcontrollers optimized for quantum environments,
- Enhanced device authentication and key management for quantum systems,
- Creation of trusted, sovereign quantum computing platforms for high-value applications in defense, finance, energy, and critical infrastructure.
Mr. Moreira noted, “SEALSQ’s participation as a lead investor in Quobly’s Series A financing represents a significant milestone in the execution of our Quantum Vertical Sovereign Stack strategy. This investment made via the SEALSQ Quantum Fund, builds on the SEALSQ - Quobly technical partnership established in 2025 and reflects a shared commitment to advancing the next generation of secure quantum technologies. By integrating Quobly’s pioneering silicon quantum processors with our post-quantum cryptography and hardware security technologies, we are accelerating the development of truly secure quantum computers.”
Mr. Moreira continued, “Excluding this recent Quobly financing, SEALSQ Quantum Fund has deployed approximately
Maud Vinet, CEO and co-founder of Quobly, added, “This investment from SEALSQ builds on the technical collaboration initiated in 2025 and supports our transition toward industrial deployment. As we bring our first silicon-based quantum computers to market, trusted semiconductor technologies and secure computing environments will become increasingly important for real-world adoption.”
About Quobly
Quobly is a pioneer in quantum microelectronics, developing silicon-based quantum chips using proven semiconductor manufacturing processes. Founded in 2022 in Grenoble, France, the company builds on over 15 years of collaborative research between world-class institutions CEA-Leti and CNRS, combining expertise in quantum physics and microelectronics. Co-founded by Maud Vinet, Ph.D. in quantum physics, author of 300+ papers and 70+ patents, and Tristan Meunier, a leading expert in semiconductor quantum engineering trained under Nobel laureate Serge Haroche, Quobly bridges science and industry to make quantum computing scalable and manufacturable. The company has a strategic partnership with STMicroelectronics to accelerate the industrialization of its silicon quantum chips. In 2023, Quobly raised
About SEALSQ:
SEALSQ is a leading innovator in Post-Quantum Technology hardware and software solutions. Our technology seamlessly integrates Semiconductors, PKI (Public Key Infrastructure), and Provisioning Services, with a strategic emphasis on developing state-of-the-art Quantum Resistant Cryptography and Semiconductors designed to address the urgent security challenges posed by quantum computing. As quantum computers advance, traditional cryptographic methods like RSA and Elliptic Curve Cryptography (ECC) are increasingly vulnerable.
SEALSQ is pioneering the development of Post-Quantum Semiconductors that provide robust, future-proof protection for sensitive data across a wide range of applications, including Multi-Factor Authentication tokens, Smart Energy, Medical and Healthcare Systems, Defense, IT Network Infrastructure, Automotive, and Industrial Automation and Control Systems. By embedding Post-Quantum Cryptography into our semiconductor solutions, SEALSQ ensures that organizations stay protected against quantum threats. Our products are engineered to safeguard critical systems, enhancing resilience and security across diverse industries.
For more information on our Post-Quantum Semiconductors and security solutions, please visit www.sealsq.com.
Forward-Looking Statements
This communication expressly or implicitly contains certain forward-looking statements concerning SEALSQ Corp and its businesses. Forward-looking statements include statements regarding our business strategy, financial performance, results of operations, market data, events or developments that we expect or anticipate will occur in the future, as well as any other statements which are not historical facts. Although we believe that the expectations reflected in such forward-looking statements are reasonable, no assurance can be given that such expectations will prove to have been correct. These statements involve known and unknown risks and are based upon a number of assumptions and estimates which are inherently subject to significant uncertainties and contingencies, many of which are beyond our control. Actual results may differ materially from those expressed or implied by such forward-looking statements. Important factors that, in our view, could cause actual results to differ materially from those discussed in the forward-looking statements include SEALSQ's ability to continue beneficial transactions with material parties, including a limited number of significant customers; market demand and semiconductor industry conditions; and the risks discussed in SEALSQ's filings with the SEC. Risks and uncertainties are further described in reports filed by SEALSQ with the SEC.
SEALSQ Corp is providing this communication as of this date and does not undertake to update any forward-looking statements contained herein as a result of new information, future events or otherwise.
| SEALSQ Corp. Carlos Moreira Chairman & CEO Tel: +41 22 594 3000 info@sealsq.com | SEALSQ Investor Relations (US) The Equity Group Inc. Lena Cati Tel: +1 212 836-9611 Lena.cati@theequitygroup.com |
